diff options
51 files changed, 2010 insertions, 1849 deletions
diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt index 9455503..d1762f3 100644 --- a/Documentation/devicetree/bindings/mfd/axp20x.txt +++ b/Documentation/devicetree/bindings/mfd/axp20x.txt @@ -43,7 +43,7 @@ Optional properties: regulator to drive the OTG VBus, rather then as an input pin which signals whether the board is driving OTG VBus or not. - (axp221 / axp223 / axp813 only) + (axp221 / axp223 / axp803/ axp813 only) - x-powers,master-mode: Boolean (axp806 only). Set this when the PMIC is wired for master mode. The default is slave mode. @@ -132,6 +132,7 @@ FLDO2 : LDO : fldoin-supply : shared supply LDO_IO0 : LDO : ips-supply : GPIO 0 LDO_IO1 : LDO : ips-supply : GPIO 1 RTC_LDO : LDO : ips-supply : always on +DRIVEVBUS : Enable output : drivevbus-supply : external regulator AXP806 regulators, type, and corresponding input supply names: diff --git a/Documentation/devicetree/bindings/mfd/bd9571mwv.txt b/Documentation/devicetree/bindings/mfd/bd9571mwv.txt index 9ab216a..25d1f69 100644 --- a/Documentation/devicetree/bindings/mfd/bd9571mwv.txt +++ b/Documentation/devicetree/bindings/mfd/bd9571mwv.txt @@ -25,6 +25,25 @@ Required properties: Each child node is defined using the standard binding for regulators. +Optional properties: + - rohm,ddr-backup-power : Value to use for DDR-Backup Power (default 0). + This is a bitmask that specifies which DDR power + rails need to be kept powered when backup mode is + entered, for system suspend: + - bit 0: DDR0 + - bit 1: DDR1 + - bit 2: DDR0C + - bit 3: DDR1C + These bits match the KEEPON_DDR* bits in the + documentation for the "BKUP Mode Cnt" register. + - rohm,rstbmode-level: The RSTB signal is configured for level mode, to + accommodate a toggle power switch (the RSTBMODE pin is + strapped low). + - rohm,rstbmode-pulse: The RSTB signal is configured for pulse mode, to + accommodate a momentary power switch (the RSTBMODE pin + is strapped high). + The two properties above are mutually exclusive. + Example: pmic: pmic@30 { @@ -36,6 +55,8 @@ Example: #interrupt-cells = <2>; gpio-controller; #gpio-cells = <2>; + rohm,ddr-backup-power = <0xf>; + rohm,rstbmode-pulse; regulators { dvfs: dvfs { diff --git a/Documentation/devicetree/bindings/regulator/pfuze100.txt b/Documentation/devicetree/bindings/regulator/pfuze100.txt index c6dd3f5..f0ada3b 100644 --- a/Documentation/devicetree/bindings/regulator/pfuze100.txt +++ b/Documentation/devicetree/bindings/regulator/pfuze100.txt @@ -21,7 +21,7 @@ Each regulator is defined using the standard binding for regulators. Example 1: PFUZE100 - pmic: pfuze100@8 { + pfuze100: pmic@8 { compatible = "fsl,pfuze100"; reg = <0x08>; @@ -122,7 +122,7 @@ Example 1: PFUZE100 Example 2: PFUZE200 - pmic: pfuze200@8 { + pfuze200: pmic@8 { compatible = "fsl,pfuze200"; reg = <0x08>; @@ -216,7 +216,7 @@ Example 2: PFUZE200 Example 3: PFUZE3000 - pmic: pfuze3000@8 { + pfuze3000: pmic@8 { compatible = "fsl,pfuze3000"; reg = <0x08>; diff --git a/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt b/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt index 57d2c658..406f2e5 100644 --- a/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt @@ -110,6 +110,11 @@ Qualcomm SPMI Regulators Definition: Reference to regulator supplying the input pin, as described in the data sheet. +- qcom,saw-reg: + Usage: optional + Value type: <phandle> + Description: Reference to syscon node defining the SAW registers. + The regulator node houses sub-nodes for each regulator within the device. Each sub-node is identified using the node's name, with valid values listed for each @@ -201,6 +206,17 @@ see regulator.txt - with additional custom properties described below: 2 = 0.55 uA 3 = 0.75 uA +- qcom,saw-slave: + Usage: optional + Value type: <boo> + Description: SAW controlled gang slave. Will not be configured. + +- qcom,saw-leader: + Usage: optional + Value type: <boo> + Description: SAW controlled gang leader. Will be configured as + SAW regulator. + Example: regulators { @@ -221,3 +237,32 @@ Example: .... }; + +Example 2: + + saw3: syscon@9A10000 { + compatible = "syscon"; + reg = <0x9A10000 0x1000>; + }; + + ... + + spm-regulators { + compatible = "qcom,pm8994-regulators"; + qcom,saw-reg = <&saw3>; + s8 { + qcom,saw-slave; + }; + s9 { + qcom,saw-slave; + }; + s10 { + qcom,saw-slave; + }; + pm8994_s11_saw: s11 { + qcom,saw-leader; + regulator-always-on; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1140000>; + }; + }; diff --git a/Documentation/devicetree/bindings/regulator/regulator.txt b/Documentation/devicetree/bindings/regulator/regulator.txt index 2babe15b..a7cd368 100644 --- a/Documentation/devicetree/bindings/regulator/regulator.txt +++ b/Documentation/devicetree/bindings/regulator/regulator.txt @@ -59,6 +59,11 @@ Optional properties: - regulator-initial-mode: initial operating mode. The set of possible operating modes depends on the capabilities of every hardware so each device binding documentation explains which values the regulator supports. +- regulator-allowed-modes: list of operating modes that software is allowed to + configure for the regulator at run-time. Elements may be specified in any + order. The set of possible operating modes depends on the capabilities of + every hardware so each device binding document explains which values the + regulator supports. - regulator-system-load: Load in uA present on regulator that is not captured by any consumer request. - regulator-pull-down: Enable pull down resistor when the regulator is disabled. @@ -68,6 +73,11 @@ Optional properties: 0: Disable active discharge. 1: Enable active discharge. Absence of this property will leave configuration to default. +- regulator-coupled-with: Regulators with which the regulator + is coupled. The linkage is 2-way - all coupled regulators should be linked + with each other. A regulator should not be coupled with its supplier. +- regulator-coupled-max-spread: Max spread between voltages of coupled regulators + in microvolts. Deprecated properties: - regulator-compatible: If a regulator chip contains multiple diff --git a/Documentation/devicetree/bindings/regulator/rohm,bd71837-regulator.txt b/Documentation/devicetree/bindings/regulator/rohm,bd71837-regulator.txt new file mode 100644 index 0000000..4edf313 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/rohm,bd71837-regulator.txt @@ -0,0 +1,126 @@ +ROHM BD71837 Power Management Integrated Circuit (PMIC) regulator bindings + +BD71837MWV is a programmable Power Management +IC (PMIC) for powering single-core, dual-core, and +quad-core SoC’s such as NXP-i.MX 8M. It is optimized +for low BOM cost and compact solution footprint. It +integrates 8 Buck regulators and 7 LDO’s to provide all +the power rails required by the SoC and the commonly +used peripherals. + +Required properties: + - regulator-name: should be "buck1", ..., "buck8" and "ldo1", ..., "ldo7" + +List of regulators provided by this controller. BD71837 regulators node +should be sub node of the BD71837 MFD node. See BD71837 MFD bindings at +Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.txt +Regulator nodes should be named to BUCK_<number> and LDO_<number>. The +definition for each of these nodes is defined using the standard +binding for regulators at +Documentation/devicetree/bindings/regulator/regulator.txt. +Note that if BD71837 starts at RUN state you probably want to use +regulator-boot-on at least for BUCK6 and BUCK7 so that those are not +disabled by driver at startup. LDO5 and LDO6 are supplied by those and +if they are disabled at startup the voltage monitoring for LDO5/LDO6 will +cause PMIC to reset. + +The valid names for regulator nodes are: +BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK6, BUCK7, BUCK8 +LDO1, LDO2, LDO3, LDO4, LDO5, LDO6, LDO7 + +Optional properties: +- Any optional property defined in bindings/regulator/regulator.txt + +Example: +regulators { + buck1: BUCK1 { + regulator-name = "buck1"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1300000>; + regulator-boot-on; + regulator-ramp-delay = <1250>; + }; + buck2: BUCK2 { + regulator-name = "buck2"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1300000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <1250>; + }; + buck3: BUCK3 { + regulator-name = "buck3"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1300000>; + regulator-boot-on; + }; + buck4: BUCK4 { + regulator-name = "buck4"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1300000>; + regulator-boot-on; + }; + buck5: BUCK5 { + regulator-name = "buck5"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1350000>; + regulator-boot-on; + }; + buck6: BUCK6 { + regulator-name = "buck6"; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + }; + buck7: BUCK7 { + regulator-name = "buck7"; + regulator-min-microvolt = <1605000>; + regulator-max-microvolt = <1995000>; + regulator-boot-on; + }; + buck8: BUCK8 { + regulator-name = "buck8"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1400000>; + }; + + ldo1: LDO1 { + regulator-name = "ldo1"; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + }; + ldo2: LDO2 { + regulator-name = "ldo2"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <900000>; + regulator-boot-on; + }; + ldo3: LDO3 { + regulator-name = "ldo3"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + }; + ldo4: LDO4 { + regulator-name = "ldo4"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1800000>; + }; + ldo5: LDO5 { + regulator-name = "ldo5"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + }; + ldo6: LDO6 { + regulator-name = "ldo6"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1800000>; + }; + ldo7_reg: LDO7 { + regulator-name = "ldo7"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + }; +}; + + diff --git a/Documentation/devicetree/bindings/regulator/sy8106a-regulator.txt b/Documentation/devicetree/bindings/regulator/sy8106a-regulator.txt new file mode 100644 index 0000000..39a8ca7 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/sy8106a-regulator.txt @@ -0,0 +1,23 @@ +SY8106A Voltage regulator + +Required properties: +- compatible: Must be "silergy,sy8106a" +- reg: I2C slave address - must be <0x65> +- silergy,fixed-microvolt - the voltage when I2C regulating is disabled (set + by external resistor like a fixed voltage) + +Any property defined as part of the core regulator binding, defined in +./regulator.txt, can also be used. + +Example: + + sy8106a { + compatible = "silergy,sy8106a"; + reg = <0x65>; + regulator-name = "sy8106a-vdd"; + silergy,fixed-microvolt = <1200000>; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1400000>; + regulator-boot-on; + regulator-always-on; + }; diff --git a/MAINTAINERS b/MAINTAINERS index abec338..d51226a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -13609,6 +13609,12 @@ S: Supported F: net/switchdev/ F: include/net/switchdev.h +SY8106A REGULATOR DRIVER +M: Icenowy Zheng <icenowy@aosc.io> +S: Maintained +F: drivers/regulator/sy8106a-regulator.c +F: Documentation/devicetree/bindings/regulator/sy8106a-regulator.txt + SYNC FILE FRAMEWORK M: Sumit Semwal <sumit.semwal@linaro.org> R: Gustavo Padovan <gustavo@padovan.org> diff --git a/arch/arm/mach-s3c64xx/mach-crag6410-module.c b/arch/arm/mach-s3c64xx/mach-crag6410-module.c index f009887..5aa4728 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410-module.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410-module.c @@ -9,6 +9,7 @@ #include <linux/interrupt.h> #include <linux/i2c.h> #include <linux/spi/spi.h> +#include <linux/gpio/machine.h> #include <linux/mfd/wm831x/irq.h> #include <linux/mfd/wm831x/gpio.h> @@ -206,9 +207,6 @@ static const struct i2c_board_info wm1277_devs[] = { }; static struct arizona_pdata wm5102_reva_pdata = { - .ldo1 = { - .ldoena = S3C64XX_GPN(7), - }, .gpio_base = CODEC_GPIO_BASE, .irq_flags = IRQF_TRIGGER_HIGH, .micd_pol_gpio = CODEC_GPIO_BASE + 4, @@ -237,10 +235,16 @@ static struct spi_board_info wm5102_reva_spi_devs[] = { }, }; -static struct arizona_pdata wm5102_pdata = { - .ldo1 = { - .ldoena = S3C64XX_GPN(7), +static struct gpiod_lookup_table wm5102_reva_gpiod_table = { + .dev_id = "spi0.1", /* SPI device name */ + .table = { + GPIO_LOOKUP("GPION", 7, + "wlf,ldoena", GPIO_ACTIVE_HIGH), + { }, }, +}; + +static struct arizona_pdata wm5102_pdata = { .gpio_base = CODEC_GPIO_BASE, .irq_flags = IRQF_TRIGGER_HIGH, .micd_pol_gpio = CODEC_GPIO_BASE + 2, @@ -264,6 +268,15 @@ static struct spi_board_info wm5102_spi_devs[] = { }, }; +static struct gpiod_lookup_table wm5102_gpiod_table = { + .dev_id = "spi0.1", /* SPI device name */ + .table = { + GPIO_LOOKUP("GPION", 7, + "wlf,ldo1ena", GPIO_ACTIVE_HIGH), + { }, + }, +}; + static struct spi_board_info wm5110_spi_devs[] = { [0] = { .modalias = "wm5110", @@ -366,6 +379,9 @@ static int wlf_gf_module_probe(struct i2c_client *i2c, rev == gf_mods[i].rev)) break; + gpiod_add_lookup_table(&wm5102_reva_gpiod_table); + gpiod_add_lookup_table(&wm5102_gpiod_table); + if (i < ARRAY_SIZE(gf_mods)) { dev_info(&i2c->dev, "%s revision %d\n", gf_mods[i].name, rev + 1); diff --git a/drivers/mfd/bd9571mwv.c b/drivers/mfd/bd9571mwv.c index 64e088d..503979c 100644 --- a/drivers/mfd/bd9571mwv.c +++ b/drivers/mfd/bd9571mwv.c @@ -29,6 +29,7 @@ static const struct mfd_cell bd9571mwv_cells[] = { static const struct regmap_range bd9571mwv_readable_yes_ranges[] = { regmap_reg_range(BD9571MWV_VENDOR_CODE, BD9571MWV_PRODUCT_REVISION), + regmap_reg_range(BD9571MWV_BKUP_MODE_CNT, BD9571MWV_BKUP_MODE_CNT), regmap_reg_range(BD9571MWV_AVS_SET_MONI, BD9571MWV_AVS_DVFS_VID(3)), regmap_reg_range(BD9571MWV_VD18_VID, BD9571MWV_VD33_VID), regmap_reg_range(BD9571MWV_DVFS_VINIT, BD9571MWV_DVFS_VINIT), @@ -44,6 +45,7 @@ static const struct regmap_access_table bd9571mwv_readable_table = { }; static const struct regmap_range bd9571mwv_writable_yes_ranges[] = { + regmap_reg_range(BD9571MWV_BKUP_MODE_CNT, BD9571MWV_BKUP_MODE_CNT), regmap_reg_range(BD9571MWV_AVS_VD09_VID(0), BD9571MWV_AVS_VD09_VID(3)), regmap_reg_range(BD9571MWV_DVFS_SETVID, BD9571MWV_DVFS_SETVID), regmap_reg_range(BD9571MWV_GPIO_DIR, BD9571MWV_GPIO_OUT), diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 097f617..5dbccf5 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -180,6 +180,17 @@ config REGULATOR_BCM590XX BCM590xx PMUs. This will enable support for the software controllable LDO/Switching regulators. +config REGULATOR_BD71837 + tristate "ROHM BD71837 Power Regulator" + depends on MFD_BD71837 + help + This driver supports voltage regulators on ROHM BD71837 PMIC. + This will enable support for the software controllable buck + and LDO regulators. + + This driver can also be built as a module. If so, the module + will be called bd71837-regulator. + config REGULATOR_BD9571MWV tristate "ROHM BD9571MWV Regulators" depends on MFD_BD9571MWV @@ -801,6 +812,13 @@ config REGULATOR_STW481X_VMMC This driver supports the internal VMMC regulator in the STw481x PMIC chips. +config REGULATOR_SY8106A + tristate "Silergy SY8106A regulator" + depends on I2C && (OF || COMPILE_TEST) + select REGMAP_I2C + help + This driver supports SY8106A single output regulator. + config REGULATOR_TPS51632 tristate "TI TPS51632 Power Regulator" depends on I2C diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 590674f..bd818ce 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -27,6 +27,7 @@ obj-$(CONFIG_REGULATOR_AS3711) += as3711-regulator.o obj-$(CONFIG_REGULATOR_AS3722) += as3722-regulator.o obj-$(CONFIG_REGULATOR_AXP20X) += axp20x-regulator.o obj-$(CONFIG_REGULATOR_BCM590XX) += bcm590xx-regulator.o +obj-$(CONFIG_REGULATOR_BD71837) += bd71837-regulator.o obj-$(CONFIG_REGULATOR_BD9571MWV) += bd9571mwv-regulator.o obj-$(CONFIG_REGULATOR_DA903X) += da903x.o obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o @@ -100,6 +101,7 @@ obj-$(CONFIG_REGULATOR_SC2731) += sc2731-regulator.o obj-$(CONFIG_REGULATOR_SKY81452) += sky81452-regulator.o obj-$(CONFIG_REGULATOR_STM32_VREFBUF) += stm32-vrefbuf.o obj-$(CONFIG_REGULATOR_STW481X_VMMC) += stw481x-vmmc.o +obj-$(CONFIG_REGULATOR_SY8106A) += sy8106a-regulator.o obj-$(CONFIG_REGULATOR_TI_ABB) += ti-abb-regulator.o obj-$(CONFIG_REGULATOR_TPS6105X) += tps6105x-regulator.o obj-$(CONFIG_REGULATOR_TPS62360) += tps62360-regulator.o @@ -125,5 +127,4 @@ obj-$(CONFIG_REGULATOR_WM8350) += wm8350-regulator.o obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o obj-$(CONFIG_REGULATOR_WM8994) += wm8994-regulator.o - ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c index 0f97514..83dba3f 100644 --- a/drivers/regulator/ab8500.c +++ b/drivers/regulator/ab8500.c @@ -132,33 +132,6 @@ static const unsigned int ldo_vaux56_voltages[] = { 2790000, }; -static const unsigned int ldo_vaux3_ab8540_voltages[] = { - 1200000, - 1500000, - 1800000, - 2100000, - 2500000, - 2750000, - 2790000, - 2910000, - 3050000, -}; - -static const unsigned int ldo_vaux56_ab8540_voltages[] = { - 750000, 760000, 770000, 780000, 790000, 800000, - 810000, 820000, 830000, 840000, 850000, 860000, - 870000, 880000, 890000, 900000, 910000, 920000, - 930000, 940000, 950000, 960000, 970000, 980000, - 990000, 1000000, 1010000, 1020000, 1030000, - 1040000, 1050000, 1060000, 1070000, 1080000, - 1090000, 1100000, 1110000, 1120000, 1130000, - 1140000, 1150000, 1160000, 1170000, 1180000, - 1190000, 1200000, 1210000, 1220000, 1230000, - 1240000, 1250000, 1260000, 1270000, 1280000, - 1290000, 1300000, 1310000, 1320000, 1330000, - 1340000, 1350000, 1360000, 1800000, 2790000, -}; - static const unsigned int ldo_vintcore_voltages[] = { 1200000, 1225000, @@ -232,8 +205,6 @@ static const unsigned int ldo_vdmic_voltages[] = { static DEFINE_MUTEX(shared_mode_mutex); static struct ab8500_shared_mode ldo_anamic1_shared; static struct ab8500_shared_mode ldo_anamic2_shared; -static struct ab8500_shared_mode ab8540_ldo_anamic1_shared; -static struct ab8500_shared_mode ab8540_ldo_anamic2_shared; static int ab8500_regulator_enable(struct regulator_dev *rdev) { @@ -507,53 +478,6 @@ static int ab8500_regulator_get_voltage_sel(struct regulator_dev *rdev) return (regval & info->voltage_mask) >> voltage_shift; } -static int ab8540_aux3_regulator_get_voltage_sel(struct regulator_dev *rdev) -{ - int ret, voltage_shift; - struct ab8500_regulator_info *info = rdev_get_drvdata(rdev); - u8 regval, regval_expand; - - if (info == NULL) { - dev_err(rdev_get_dev(rdev), "regulator info null pointer\n"); - return -EINVAL; - } - - ret = abx500_get_register_interruptible(info->dev, - info->expand_register.voltage_bank, - info->expand_register.voltage_reg, ®val_expand); - if (ret < 0) { - dev_err(rdev_get_dev(rdev), - "couldn't read voltage expand reg for regulator\n"); - return ret; - } - - dev_vdbg(rdev_get_dev(rdev), - "%s-get_voltage expand (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n", - info->desc.name, info->expand_register.voltage_bank, - info->expand_register.voltage_reg, - info->expand_register.voltage_mask, regval_expand); - - if (regval_expand & info->expand_register.voltage_mask) - return info->expand_register.voltage_limit; - - ret = abx500_get_register_interruptible(info->dev, - info->voltage_bank, info->voltage_reg, ®val); - if (ret < 0) { - dev_err(rdev_get_dev(rdev), - "couldn't read voltage reg for regulator\n"); - return ret; - } - - dev_vdbg(rdev_get_dev(rdev), - "%s-get_voltage (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n", - info->desc.name, info->voltage_bank, info->voltage_reg, - info->voltage_mask, regval); - - voltage_shift = ffs(info->voltage_mask) - 1; - - return (regval & info->voltage_mask) >> voltage_shift; -} - static int ab8500_regulator_set_voltage_sel(struct regulator_dev *rdev, unsigned selector) { @@ -586,61 +510,6 @@ static int ab8500_regulator_set_voltage_sel(struct regulator_dev *rdev, return ret; } -static int ab8540_aux3_regulator_set_voltage_sel(struct regulator_dev *rdev, - unsigned selector) -{ - int ret; - struct ab8500_regulator_info *info = rdev_get_drvdata(rdev); - u8 regval, regval_expand; - - if (info == NULL) { - dev_err(rdev_get_dev(rdev), "regulator info null pointer\n"); - return -EINVAL; - } - - if (selector < info->expand_register.voltage_limit) { - int voltage_shift = ffs(info->voltage_mask) - 1; - - regval = (u8)selector << voltage_shift; - ret = abx500_mask_and_set_register_interruptible(info->dev, - info->voltage_bank, info->voltage_reg, - info->voltage_mask, regval); - if (ret < 0) { - dev_err(rdev_get_dev(rdev), - "couldn't set voltage reg for regulator\n"); - return ret; - } - - dev_vdbg(rdev_get_dev(rdev), - "%s-set_voltage (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n", - info->desc.name, info->voltage_bank, info->voltage_reg, - info->voltage_mask, regval); - - regval_expand = 0; - } else { - regval_expand = info->expand_register.voltage_mask; - } - - ret = abx500_mask_and_set_register_interruptible(info->dev, - info->expand_register.voltage_bank, - info->expand_register.voltage_reg, - info->expand_register.voltage_mask, - regval_expand); - if (ret < 0) { - dev_err(rdev_get_dev(rdev), - "couldn't set expand voltage reg for regulator\n"); - return ret; - } - - dev_vdbg(rdev_get_dev(rdev), - "%s-set_voltage expand (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n", - info->desc.name, info->expand_register.voltage_bank, - info->expand_register.voltage_reg, - info->expand_register.voltage_mask, regval_expand); - - return 0; -} - static struct regulator_ops ab8500_regulator_volt_mode_ops = { .enable = ab8500_regulator_enable, .disable = ab8500_regulator_disable, @@ -653,18 +522,6 @@ static struct regulator_ops ab8500_regulator_volt_mode_ops = { .list_voltage = regulator_list_voltage_table, }; -static struct regulator_ops ab8540_aux3_regulator_volt_mode_ops = { - .enable = ab8500_regulator_enable, - .disable = ab8500_regulator_disable, - .get_optimum_mode = ab8500_regulator_get_optimum_mode, - .set_mode = ab8500_regulator_set_mode, - .get_mode = ab8500_regulator_get_mode, - .is_enabled = ab8500_regulator_is_enabled, - .get_voltage_sel = ab8540_aux3_regulator_get_voltage_sel, - .set_voltage_sel = ab8540_aux3_regulator_set_voltage_sel, - .list_voltage = regulator_list_voltage_table, -}; - static struct regulator_ops ab8500_regulator_volt_ops = { .enable = ab8500_regulator_enable, .disable = ab8500_regulator_disable, @@ -1217,562 +1074,6 @@ static struct ab8500_regulator_info }, }; -/* AB9540 regulator information */ -static struct ab8500_regulator_info - ab9540_regulator_info[AB9540_NUM_REGULATORS] = { - /* - * Variable Voltage Regulators - * name, min mV, max mV, - * update bank, reg, mask, enable val - * volt bank, reg, mask - */ - [AB9540_LDO_AUX1] = { - .desc = { - .name = "LDO-AUX1", - .ops = &ab8500_regulator_volt_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB9540_LDO_AUX1, - .owner = THIS_MODULE, - .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages), - .volt_table = ldo_vauxn_voltages, - }, - .load_lp_uA = 5000, - .update_bank = 0x04, - .update_reg = 0x09, - .update_mask = 0x03, - .update_val = 0x01, - .update_val_idle = 0x03, - .update_val_normal = 0x01, - .voltage_bank = 0x04, - .voltage_reg = 0x1f, - .voltage_mask = 0x0f, - }, - [AB9540_LDO_AUX2] = { - .desc = { - .name = "LDO-AUX2", - .ops = &ab8500_regulator_volt_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB9540_LDO_AUX2, - .owner = THIS_MODULE, - .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages), - .volt_table = ldo_vauxn_voltages, - }, - .load_lp_uA = 5000, - .update_bank = 0x04, - .update_reg = 0x09, - .update_mask = 0x0c, - .update_val = 0x04, - .update_val_idle = 0x0c, - .update_val_normal = 0x04, - .voltage_bank = 0x04, - .voltage_reg = 0x20, - .voltage_mask = 0x0f, - }, - [AB9540_LDO_AUX3] = { - .desc = { - .name = "LDO-AUX3", - .ops = &ab8500_regulator_volt_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB9540_LDO_AUX3, - .owner = THIS_MODULE, - .n_voltages = ARRAY_SIZE(ldo_vaux3_voltages), - .volt_table = ldo_vaux3_voltages, - }, - .load_lp_uA = 5000, - .update_bank = 0x04, - .update_reg = 0x0a, - .update_mask = 0x03, - .update_val = 0x01, - .update_val_idle = 0x03, - .update_val_normal = 0x01, - .voltage_bank = 0x04, - .voltage_reg = 0x21, - .voltage_mask = 0x07, - }, - [AB9540_LDO_AUX4] = { - .desc = { - .name = "LDO-AUX4", - .ops = &ab8500_regulator_volt_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB9540_LDO_AUX4, - .owner = THIS_MODULE, - .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages), - .volt_table = ldo_vauxn_voltages, - }, - .load_lp_uA = 5000, - /* values for Vaux4Regu register */ - .update_bank = 0x04, - .update_reg = 0x2e, - .update_mask = 0x03, - .update_val = 0x01, - .update_val_idle = 0x03, - .update_val_normal = 0x01, - /* values for Vaux4SEL register */ - .voltage_bank = 0x04, - .voltage_reg = 0x2f, - .voltage_mask = 0x0f, - }, - [AB9540_LDO_INTCORE] = { - .desc = { - .name = "LDO-INTCORE", - .ops = &ab8500_regulator_volt_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB9540_LDO_INTCORE, - .owner = THIS_MODULE, - .n_voltages = ARRAY_SIZE(ldo_vintcore_voltages), - .volt_table = ldo_vintcore_voltages, - }, - .load_lp_uA = 5000, - .update_bank = 0x03, - .update_reg = 0x80, - .update_mask = 0x44, - .update_val = 0x44, - .update_val_idle = 0x44, - .update_val_normal = 0x04, - .voltage_bank = 0x03, - .voltage_reg = 0x80, - .voltage_mask = 0x38, - }, - - /* - * Fixed Voltage Regulators - * name, fixed mV, - * update bank, reg, mask, enable val - */ - [AB9540_LDO_TVOUT] = { - .desc = { - .name = "LDO-TVOUT", - .ops = &ab8500_regulator_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB9540_LDO_TVOUT, - .owner = THIS_MODULE, - .n_voltages = 1, - .volt_table = fixed_2000000_voltage, - .enable_time = 10000, - }, - .load_lp_uA = 1000, - .update_bank = 0x03, - .update_reg = 0x80, - .update_mask = 0x82, - .update_val = 0x02, - .update_val_idle = 0x82, - .update_val_normal = 0x02, - }, - [AB9540_LDO_USB] = { - .desc = { - .name = "LDO-USB", - .ops = &ab8500_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = AB9540_LDO_USB, - .owner = THIS_MODULE, - .n_voltages = 1, - .volt_table = fixed_3300000_voltage, - }, - .update_bank = 0x03, - .update_reg = 0x82, - .update_mask = 0x03, - .update_val = 0x01, - .update_val_idle = 0x03, - .update_val_normal = 0x01, - }, - [AB9540_LDO_AUDIO] = { - .desc = { - .name = "LDO-AUDIO", - .ops = &ab8500_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = AB9540_LDO_AUDIO, - .owner = THIS_MODULE, - .n_voltages = 1, - .volt_table = fixed_2000000_voltage, - }, - .update_bank = 0x03, - .update_reg = 0x83, - .update_mask = 0x02, - .update_val = 0x02, - }, - [AB9540_LDO_ANAMIC1] = { - .desc = { - .name = "LDO-ANAMIC1", - .ops = &ab8500_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = AB9540_LDO_ANAMIC1, - .owner = THIS_MODULE, - .n_voltages = 1, - .volt_table = fixed_2050000_voltage, - }, - .update_bank = 0x03, - .update_reg = 0x83, - .update_mask = 0x08, - .update_val = 0x08, - }, - [AB9540_LDO_ANAMIC2] = { - .desc = { - .name = "LDO-ANAMIC2", - .ops = &ab8500_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = AB9540_LDO_ANAMIC2, - .owner = THIS_MODULE, - .n_voltages = 1, - .volt_table = fixed_2050000_voltage, - }, - .update_bank = 0x03, - .update_reg = 0x83, - .update_mask = 0x10, - .update_val = 0x10, - }, - [AB9540_LDO_DMIC] = { - .desc = { - .name = "LDO-DMIC", - .ops = &ab8500_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = AB9540_LDO_DMIC, - .owner = THIS_MODULE, - .n_voltages = 1, - .volt_table = fixed_1800000_voltage, - }, - .update_bank = 0x03, - .update_reg = 0x83, - .update_mask = 0x04, - .update_val = 0x04, - }, - - /* - * Regulators with fixed voltage and normal/idle modes - */ - [AB9540_LDO_ANA] = { - .desc = { - .name = "LDO-ANA", - .ops = &ab8500_regulator_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB9540_LDO_ANA, - .owner = THIS_MODULE, - .n_voltages = 1, - .volt_table = fixed_1200000_voltage, - }, - .load_lp_uA = 1000, - .update_bank = 0x04, - .update_reg = 0x06, - .update_mask = 0x0c, - .update_val = 0x08, - .update_val_idle = 0x0c, - .update_val_normal = 0x08, - }, -}; - -/* AB8540 regulator information */ -static struct ab8500_regulator_info - ab8540_regulator_info[AB8540_NUM_REGULATORS] = { - /* - * Variable Voltage Regulators - * name, min mV, max mV, - * update bank, reg, mask, enable val - * volt bank, reg, mask - */ - [AB8540_LDO_AUX1] = { - .desc = { - .name = "LDO-AUX1", - .ops = &ab8500_regulator_volt_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB8540_LDO_AUX1, - .owner = THIS_MODULE, - .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages), - .volt_table = ldo_vauxn_voltages, - }, - .load_lp_uA = 5000, - .update_bank = 0x04, - .update_reg = 0x09, - .update_mask = 0x03, - .update_val = 0x01, - .update_val_idle = 0x03, - .update_val_normal = 0x01, - .voltage_bank = 0x04, - .voltage_reg = 0x1f, - .voltage_mask = 0x0f, - }, - [AB8540_LDO_AUX2] = { - .desc = { - .name = "LDO-AUX2", - .ops = &ab8500_regulator_volt_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB8540_LDO_AUX2, - .owner = THIS_MODULE, - .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages), - .volt_table = ldo_vauxn_voltages, - }, - .load_lp_uA = 5000, - .update_bank = 0x04, - .update_reg = 0x09, - .update_mask = 0x0c, - .update_val = 0x04, - .update_val_idle = 0x0c, - .update_val_normal = 0x04, - .voltage_bank = 0x04, - .voltage_reg = 0x20, - .voltage_mask = 0x0f, - }, - [AB8540_LDO_AUX3] = { - .desc = { - .name = "LDO-AUX3", - .ops = &ab8540_aux3_regulator_volt_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB8540_LDO_AUX3, - .owner = THIS_MODULE, - .n_voltages = ARRAY_SIZE(ldo_vaux3_ab8540_voltages), - .volt_table = ldo_vaux3_ab8540_voltages, - }, - .load_lp_uA = 5000, - .update_bank = 0x04, - .update_reg = 0x0a, - .update_mask = 0x03, - .update_val = 0x01, - .update_val_idle = 0x03, - .update_val_normal = 0x01, - .voltage_bank = 0x04, - .voltage_reg = 0x21, - .voltage_mask = 0x07, - .expand_register = { - .voltage_limit = 8, - .voltage_bank = 0x04, - .voltage_reg = 0x01, - .voltage_mask = 0x10, - } - }, - [AB8540_LDO_AUX4] = { - .desc = { - .name = "LDO-AUX4", - .ops = &ab8500_regulator_volt_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB8540_LDO_AUX4, - .owner = THIS_MODULE, - .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages), - .volt_table = ldo_vauxn_voltages, - }, - .load_lp_uA = 5000, - /* values for Vaux4Regu register */ - .update_bank = 0x04, - .update_reg = 0x2e, - .update_mask = 0x03, - .update_val = 0x01, - .update_val_idle = 0x03, - .update_val_normal = 0x01, - /* values for Vaux4SEL register */ - .voltage_bank = 0x04, - .voltage_reg = 0x2f, - .voltage_mask = 0x0f, - }, - [AB8540_LDO_AUX5] = { - .desc = { - .name = "LDO-AUX5", - .ops = &ab8500_regulator_volt_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB8540_LDO_AUX5, - .owner = THIS_MODULE, - .n_voltages = ARRAY_SIZE(ldo_vaux56_ab8540_voltages), - .volt_table = ldo_vaux56_ab8540_voltages, - }, - .load_lp_uA = 20000, - /* values for Vaux5Regu register */ - .update_bank = 0x04, - .update_reg = 0x32, - .update_mask = 0x03, - .update_val = 0x01, - .update_val_idle = 0x03, - .update_val_normal = 0x01, - /* values for Vaux5SEL register */ - .voltage_bank = 0x04, - .voltage_reg = 0x33, - .voltage_mask = 0x3f, - }, - [AB8540_LDO_AUX6] = { - .desc = { - .name = "LDO-AUX6", - .ops = &ab8500_regulator_volt_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB8540_LDO_AUX6, - .owner = THIS_MODULE, - .n_voltages = ARRAY_SIZE(ldo_vaux56_ab8540_voltages), - .volt_table = ldo_vaux56_ab8540_voltages, - }, - .load_lp_uA = 20000, - /* values for Vaux6Regu register */ - .update_bank = 0x04, - .update_reg = 0x35, - .update_mask = 0x03, - .update_val = 0x01, - .update_val_idle = 0x03, - .update_val_normal = 0x01, - /* values for Vaux6SEL register */ - .voltage_bank = 0x04, - .voltage_reg = 0x36, - .voltage_mask = 0x3f, - }, - [AB8540_LDO_INTCORE] = { - .desc = { - .name = "LDO-INTCORE", - .ops = &ab8500_regulator_volt_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB8540_LDO_INTCORE, - .owner = THIS_MODULE, - .n_voltages = ARRAY_SIZE(ldo_vintcore_voltages), - .volt_table = ldo_vintcore_voltages, - }, - .load_lp_uA = 5000, - .update_bank = 0x03, - .update_reg = 0x80, - .update_mask = 0x44, - .update_val = 0x44, - .update_val_idle = 0x44, - .update_val_normal = 0x04, - .voltage_bank = 0x03, - .voltage_reg = 0x80, - .voltage_mask = 0x38, - }, - - /* - * Fixed Voltage Regulators - * name, fixed mV, - * update bank, reg, mask, enable val - */ - [AB8540_LDO_TVOUT] = { - .desc = { - .name = "LDO-TVOUT", - .ops = &ab8500_regulator_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB8540_LDO_TVOUT, - .owner = THIS_MODULE, - .n_voltages = 1, - .volt_table = fixed_2000000_voltage, - .enable_time = 10000, - }, - .load_lp_uA = 1000, - .update_bank = 0x03, - .update_reg = 0x80, - .update_mask = 0x82, - .update_val = 0x02, - .update_val_idle = 0x82, - .update_val_normal = 0x02, - }, - [AB8540_LDO_AUDIO] = { - .desc = { - .name = "LDO-AUDIO", - .ops = &ab8500_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = AB8540_LDO_AUDIO, - .owner = THIS_MODULE, - .n_voltages = 1, - .volt_table = fixed_2000000_voltage, - }, - .update_bank = 0x03, - .update_reg = 0x83, - .update_mask = 0x02, - .update_val = 0x02, - }, - [AB8540_LDO_ANAMIC1] = { - .desc = { - .name = "LDO-ANAMIC1", - .ops = &ab8500_regulator_anamic_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB8540_LDO_ANAMIC1, - .owner = THIS_MODULE, - .n_voltages = 1, - .volt_table = fixed_2050000_voltage, - }, - .shared_mode = &ab8540_ldo_anamic1_shared, - .update_bank = 0x03, - .update_reg = 0x83, - .update_mask = 0x08, - .update_val = 0x08, - .mode_bank = 0x03, - .mode_reg = 0x83, - .mode_mask = 0x20, - .mode_val_idle = 0x20, - .mode_val_normal = 0x00, - }, - [AB8540_LDO_ANAMIC2] = { - .desc = { - .name = "LDO-ANAMIC2", - .ops = &ab8500_regulator_anamic_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB8540_LDO_ANAMIC2, - .owner = THIS_MODULE, - .n_voltages = 1, - .volt_table = fixed_2050000_voltage, - }, - .shared_mode = &ab8540_ldo_anamic2_shared, - .update_bank = 0x03, - .update_reg = 0x83, - .update_mask = 0x10, - .update_val = 0x10, - .mode_bank = 0x03, - .mode_reg = 0x83, - .mode_mask = 0x20, - .mode_val_idle = 0x20, - .mode_val_normal = 0x00, - }, - [AB8540_LDO_DMIC] = { - .desc = { - .name = "LDO-DMIC", - .ops = &ab8500_regulator_volt_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB8540_LDO_DMIC, - .owner = THIS_MODULE, - .n_voltages = ARRAY_SIZE(ldo_vdmic_voltages), - .volt_table = ldo_vdmic_voltages, - }, - .load_lp_uA = 1000, - .update_bank = 0x03, - .update_reg = 0x83, - .update_mask = 0x04, - .update_val = 0x04, - .voltage_bank = 0x03, - .voltage_reg = 0x83, - .voltage_mask = 0xc0, - }, - - /* - * Regulators with fixed voltage and normal/idle modes - */ - [AB8540_LDO_ANA] = { - .desc = { - .name = "LDO-ANA", - .ops = &ab8500_regulator_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB8540_LDO_ANA, - .owner = THIS_MODULE, - .n_voltages = 1, - .volt_table = fixed_1200000_voltage, - }, - .load_lp_uA = 1000, - .update_bank = 0x04, - .update_reg = 0x06, - .update_mask = 0x0c, - .update_val = 0x04, - .update_val_idle = 0x0c, - .update_val_normal = 0x04, - }, - [AB8540_LDO_SDIO] = { - .desc = { - .name = "LDO-SDIO", - .ops = &ab8500_regulator_volt_mode_ops, - .type = REGULATOR_VOLTAGE, - .id = AB8540_LDO_SDIO, - .owner = THIS_MODULE, - .n_voltages = ARRAY_SIZE(ldo_sdio_voltages), - .volt_table = ldo_sdio_voltages, - }, - .load_lp_uA = 5000, - .update_bank = 0x03, - .update_reg = 0x88, - .update_mask = 0x30, - .update_val = 0x10, - .update_val_idle = 0x30, - .update_val_normal = 0x10, - .voltage_bank = 0x03, - .voltage_reg = 0x88, - .voltage_mask = 0x07, - }, -}; - static struct ab8500_shared_mode ldo_anamic1_shared = { .shared_regulator = &ab8505_regulator_info[AB8505_LDO_ANAMIC2], }; @@ -1781,14 +1082,6 @@ static struct ab8500_shared_mode ldo_anamic2_shared = { .shared_regulator = &ab8505_regulator_info[AB8505_LDO_ANAMIC1], }; -static struct ab8500_shared_mode ab8540_ldo_anamic1_shared = { - .shared_regulator = &ab8540_regulator_info[AB8540_LDO_ANAMIC2], -}; - -static struct ab8500_shared_mode ab8540_ldo_anamic2_shared = { - .shared_regulator = &ab8540_regulator_info[AB8540_LDO_ANAMIC1], -}; - struct ab8500_reg_init { u8 bank; u8 addr; @@ -2243,659 +1536,6 @@ static struct ab8500_reg_init ab8505_reg_init[] = { REG_INIT(AB8505_CTRLVAUX6, 0x01, 0x56, 0x9f), }; -/* AB9540 register init */ -static struct ab8500_reg_init ab9540_reg_init[] = { - /* - * 0x03, VarmRequestCtrl - * 0x0c, VapeRequestCtrl - * 0x30, Vsmps1RequestCtrl - * 0xc0, Vsmps2RequestCtrl - */ - REG_INIT(AB9540_REGUREQUESTCTRL1, 0x03, 0x03, 0xff), - /* - * 0x03, Vsmps3RequestCtrl - * 0x0c, VpllRequestCtrl - * 0x30, VanaRequestCtrl - * 0xc0, VextSupply1RequestCtrl - */ - REG_INIT(AB9540_REGUREQUESTCTRL2, 0x03, 0x04, 0xff), - /* - * 0x03, VextSupply2RequestCtrl - * 0x0c, VextSupply3RequestCtrl - * 0x30, Vaux1RequestCtrl - * 0xc0, Vaux2RequestCtrl - */ - REG_INIT(AB9540_REGUREQUESTCTRL3, 0x03, 0x05, 0xff), - /* - * 0x03, Vaux3RequestCtrl - * 0x04, SwHPReq - */ - REG_INIT(AB9540_REGUREQUESTCTRL4, 0x03, 0x06, 0x07), - /* - * 0x01, Vsmps1SysClkReq1HPValid - * 0x02, Vsmps2SysClkReq1HPValid - * 0x04, Vsmps3SysClkReq1HPValid - * 0x08, VanaSysClkReq1HPValid - * 0x10, VpllSysClkReq1HPValid - * 0x20, Vaux1SysClkReq1HPValid - * 0x40, Vaux2SysClkReq1HPValid - * 0x80, Vaux3SysClkReq1HPValid - */ - REG_INIT(AB9540_REGUSYSCLKREQ1HPVALID1, 0x03, 0x07, 0xff), - /* - * 0x01, VapeSysClkReq1HPValid - * 0x02, VarmSysClkReq1HPValid - * 0x04, VbbSysClkReq1HPValid - * 0x08, VmodSysClkReq1HPValid - * 0x10, VextSupply1SysClkReq1HPValid - * 0x20, VextSupply2SysClkReq1HPValid - * 0x40, VextSupply3SysClkReq1HPValid - */ - REG_INIT(AB9540_REGUSYSCLKREQ1HPVALID2, 0x03, 0x08, 0x7f), - /* - * 0x01, Vsmps1HwHPReq1Valid - * 0x02, Vsmps2HwHPReq1Valid - * 0x04, Vsmps3HwHPReq1Valid - * 0x08, VanaHwHPReq1Valid - * 0x10, VpllHwHPReq1Valid - * 0x20, Vaux1HwHPReq1Valid - * 0x40, Vaux2HwHPReq1Valid - * 0x80, Vaux3HwHPReq1Valid - */ - REG_INIT(AB9540_REGUHWHPREQ1VALID1, 0x03, 0x09, 0xff), - /* - * 0x01, VextSupply1HwHPReq1Valid - * 0x02, VextSupply2HwHPReq1Valid - * 0x04, VextSupply3HwHPReq1Valid - * 0x08, VmodHwHPReq1Valid - */ - REG_INIT(AB9540_REGUHWHPREQ1VALID2, 0x03, 0x0a, 0x0f), - /* - * 0x01, Vsmps1HwHPReq2Valid - * 0x02, Vsmps2HwHPReq2Valid - * 0x03, Vsmps3HwHPReq2Valid - * 0x08, VanaHwHPReq2Valid - * 0x10, VpllHwHPReq2Valid - * 0x20, Vaux1HwHPReq2Valid - * 0x40, Vaux2HwHPReq2Valid - * 0x80, Vaux3HwHPReq2Valid - */ - REG_INIT(AB9540_REGUHWHPREQ2VALID1, 0x03, 0x0b, 0xff), - /* - * 0x01, VextSupply1HwHPReq2Valid - * 0x02, VextSupply2HwHPReq2Valid - * 0x04, VextSupply3HwHPReq2Valid - * 0x08, VmodHwHPReq2Valid - */ - REG_INIT(AB9540_REGUHWHPREQ2VALID2, 0x03, 0x0c, 0x0f), - /* - * 0x01, VapeSwHPReqValid - * 0x02, VarmSwHPReqValid - * 0x04, Vsmps1SwHPReqValid - * 0x08, Vsmps2SwHPReqValid - * 0x10, Vsmps3SwHPReqValid - * 0x20, VanaSwHPReqValid - * 0x40, VpllSwHPReqValid - * 0x80, Vaux1SwHPReqValid - */ - REG_INIT(AB9540_REGUSWHPREQVALID1, 0x03, 0x0d, 0xff), - /* - * 0x01, Vaux2SwHPReqValid - * 0x02, Vaux3SwHPReqValid - * 0x04, VextSupply1SwHPReqValid - * 0x08, VextSupply2SwHPReqValid - * 0x10, VextSupply3SwHPReqValid - * 0x20, VmodSwHPReqValid - */ - REG_INIT(AB9540_REGUSWHPREQVALID2, 0x03, 0x0e, 0x3f), - /* - * 0x02, SysClkReq2Valid1 - * ... - * 0x80, SysClkReq8Valid1 - */ - REG_INIT(AB9540_REGUSYSCLKREQVALID1, 0x03, 0x0f, 0xfe), - /* - * 0x02, SysClkReq2Valid2 - * ... - * 0x80, SysClkReq8Valid2 - */ - REG_INIT(AB9540_REGUSYSCLKREQVALID2, 0x03, 0x10, 0xfe), - /* - * 0x01, Vaux4SwHPReqValid - * 0x02, Vaux4HwHPReq2Valid - * 0x04, Vaux4HwHPReq1Valid - * 0x08, Vaux4SysClkReq1HPValid - */ - REG_INIT(AB9540_REGUVAUX4REQVALID, 0x03, 0x11, 0x0f), - /* - * 0x02, VTVoutEna - * 0x04, Vintcore12Ena - * 0x38, Vintcore12Sel - * 0x40, Vintcore12LP - * 0x80, VTVoutLP - */ - REG_INIT(AB9540_REGUMISC1, 0x03, 0x80, 0xfe), - /* - * 0x02, VaudioEna - * 0x04, VdmicEna - * 0x08, Vamic1Ena - * 0x10, Vamic2Ena - */ - REG_INIT(AB9540_VAUDIOSUPPLY, 0x03, 0x83, 0x1e), - /* - * 0x01, Vamic1_dzout - * 0x02, Vamic2_dzout - */ - REG_INIT(AB9540_REGUCTRL1VAMIC, 0x03, 0x84, 0x03), - /* - * 0x03, Vsmps1Regu - * 0x0c, Vsmps1SelCtrl - * 0x10, Vsmps1AutoMode - * 0x20, Vsmps1PWMMode - */ - REG_INIT(AB9540_VSMPS1REGU, 0x04, 0x03, 0x3f), - /* - * 0x03, Vsmps2Regu - * 0x0c, Vsmps2SelCtrl - * 0x10, Vsmps2AutoMode - * 0x20, Vsmps2PWMMode - */ - REG_INIT(AB9540_VSMPS2REGU, 0x04, 0x04, 0x3f), - /* - * 0x03, Vsmps3Regu - * 0x0c, Vsmps3SelCtrl - * NOTE! PRCMU register - */ - REG_INIT(AB9540_VSMPS3REGU, 0x04, 0x05, 0x0f), - /* - * 0x03, VpllRegu - * 0x0c, VanaRegu - */ - REG_INIT(AB9540_VPLLVANAREGU, 0x04, 0x06, 0x0f), - /* - * 0x03, VextSupply1Regu - * 0x0c, VextSupply2Regu - * 0x30, VextSupply3Regu - * 0x40, ExtSupply2Bypass - * 0x80, ExtSupply3Bypass - */ - REG_INIT(AB9540_EXTSUPPLYREGU, 0x04, 0x08, 0xff), - /* - * 0x03, Vaux1Regu - * 0x0c, Vaux2Regu - */ - REG_INIT(AB9540_VAUX12REGU, 0x04, 0x09, 0x0f), - /* - * 0x0c, Vrf1Regu - * 0x03, Vaux3Regu - */ - REG_INIT(AB9540_VRF1VAUX3REGU, 0x04, 0x0a, 0x0f), - /* - * 0x3f, Vsmps1Sel1 - */ - REG_INIT(AB9540_VSMPS1SEL1, 0x04, 0x13, 0x3f), - /* - * 0x3f, Vsmps1Sel2 - */ - REG_INIT(AB9540_VSMPS1SEL2, 0x04, 0x14, 0x3f), - /* - * 0x3f, Vsmps1Sel3 - */ - REG_INIT(AB9540_VSMPS1SEL3, 0x04, 0x15, 0x3f), - /* - * 0x3f, Vsmps2Sel1 - */ - REG_INIT(AB9540_VSMPS2SEL1, 0x04, 0x17, 0x3f), - /* - * 0x3f, Vsmps2Sel2 - */ - REG_INIT(AB9540_VSMPS2SEL2, 0x04, 0x18, 0x3f), - /* - * 0x3f, Vsmps2Sel3 - */ - REG_INIT(AB9540_VSMPS2SEL3, 0x04, 0x19, 0x3f), - /* - * 0x7f, Vsmps3Sel1 - * NOTE! PRCMU register - */ - REG_INIT(AB9540_VSMPS3SEL1, 0x04, 0x1b, 0x7f), - /* - * 0x7f, Vsmps3Sel2 - * NOTE! PRCMU register - */ - REG_INIT(AB9540_VSMPS3SEL2, 0x04, 0x1c, 0x7f), - /* - * 0x0f, Vaux1Sel - */ - REG_INIT(AB9540_VAUX1SEL, 0x04, 0x1f, 0x0f), - /* - * 0x0f, Vaux2Sel - */ - REG_INIT(AB9540_VAUX2SEL, 0x04, 0x20, 0x0f), - /* - * 0x07, Vaux3Sel - * 0x30, Vrf1Sel - */ - REG_INIT(AB9540_VRF1VAUX3SEL, 0x04, 0x21, 0x37), - /* - * 0x01, VextSupply12LP - */ - REG_INIT(AB9540_REGUCTRL2SPARE, 0x04, 0x22, 0x01), - /* - * 0x03, Vaux4RequestCtrl - */ - REG_INIT(AB9540_VAUX4REQCTRL, 0x04, 0x2d, 0x03), - /* - * 0x03, Vaux4Regu - */ - REG_INIT(AB9540_VAUX4REGU, 0x04, 0x2e, 0x03), - /* - * 0x08, Vaux4Sel - */ - REG_INIT(AB9540_VAUX4SEL, 0x04, 0x2f, 0x0f), - /* - * 0x01, VpllDisch - * 0x02, Vrf1Disch - * 0x04, Vaux1Disch - * 0x08, Vaux2Disch - * 0x10, Vaux3Disch - * 0x20, Vintcore12Disch - * 0x40, VTVoutDisch - * 0x80, VaudioDisch - */ - REG_INIT(AB9540_REGUCTRLDISCH, 0x04, 0x43, 0xff), - /* - * 0x01, VsimDisch - * 0x02, VanaDisch - * 0x04, VdmicPullDownEna - * 0x08, VpllPullDownEna - * 0x10, VdmicDisch - */ - REG_INIT(AB9540_REGUCTRLDISCH2, 0x04, 0x44, 0x1f), - /* - * 0x01, Vaux4Disch - */ - REG_INIT(AB9540_REGUCTRLDISCH3, 0x04, 0x48, 0x01), -}; - -/* AB8540 register init */ -static struct ab8500_reg_init ab8540_reg_init[] = { - /* - * 0x01, VSimSycClkReq1Valid - * 0x02, VSimSycClkReq2Valid - * 0x04, VSimSycClkReq3Valid - * 0x08, VSimSycClkReq4Valid - * 0x10, VSimSycClkReq5Valid - * 0x20, VSimSycClkReq6Valid - * 0x40, VSimSycClkReq7Valid - * 0x80, VSimSycClkReq8Valid - */ - REG_INIT(AB8540_VSIMSYSCLKCTRL, 0x02, 0x33, 0xff), - /* - * 0x03, VarmRequestCtrl - * 0x0c, VapeRequestCtrl - * 0x30, Vsmps1RequestCtrl - * 0xc0, Vsmps2RequestCtrl - */ - REG_INIT(AB8540_REGUREQUESTCTRL1, 0x03, 0x03, 0xff), - /* - * 0x03, Vsmps3RequestCtrl - * 0x0c, VpllRequestCtrl - * 0x30, VanaRequestCtrl - * 0xc0, VextSupply1RequestCtrl - */ - REG_INIT(AB8540_REGUREQUESTCTRL2, 0x03, 0x04, 0xff), - /* - * 0x03, VextSupply2RequestCtrl - * 0x0c, VextSupply3RequestCtrl - * 0x30, Vaux1RequestCtrl - * 0xc0, Vaux2RequestCtrl - */ - REG_INIT(AB8540_REGUREQUESTCTRL3, 0x03, 0x05, 0xff), - /* - * 0x03, Vaux3RequestCtrl - * 0x04, SwHPReq - */ - REG_INIT(AB8540_REGUREQUESTCTRL4, 0x03, 0x06, 0x07), - /* - * 0x01, Vsmps1SysClkReq1HPValid - * 0x02, Vsmps2SysClkReq1HPValid - * 0x04, Vsmps3SysClkReq1HPValid - * 0x08, VanaSysClkReq1HPValid - * 0x10, VpllSysClkReq1HPValid - * 0x20, Vaux1SysClkReq1HPValid - * 0x40, Vaux2SysClkReq1HPValid - * 0x80, Vaux3SysClkReq1HPValid - */ - REG_INIT(AB8540_REGUSYSCLKREQ1HPVALID1, 0x03, 0x07, 0xff), - /* - * 0x01, VapeSysClkReq1HPValid - * 0x02, VarmSysClkReq1HPValid - * 0x04, VbbSysClkReq1HPValid - * 0x10, VextSupply1SysClkReq1HPValid - * 0x20, VextSupply2SysClkReq1HPValid - * 0x40, VextSupply3SysClkReq1HPValid - */ - REG_INIT(AB8540_REGUSYSCLKREQ1HPVALID2, 0x03, 0x08, 0x77), - /* - * 0x01, Vsmps1HwHPReq1Valid - * 0x02, Vsmps2HwHPReq1Valid - * 0x04, Vsmps3HwHPReq1Valid - * 0x08, VanaHwHPReq1Valid - * 0x10, VpllHwHPReq1Valid - * 0x20, Vaux1HwHPReq1Valid - * 0x40, Vaux2HwHPReq1Valid - * 0x80, Vaux3HwHPReq1Valid - */ - REG_INIT(AB8540_REGUHWHPREQ1VALID1, 0x03, 0x09, 0xff), - /* - * 0x01, VextSupply1HwHPReq1Valid - * 0x02, VextSupply2HwHPReq1Valid - * 0x04, VextSupply3HwHPReq1Valid - */ - REG_INIT(AB8540_REGUHWHPREQ1VALID2, 0x03, 0x0a, 0x07), - /* - * 0x01, Vsmps1HwHPReq2Valid - * 0x02, Vsmps2HwHPReq2Valid - * 0x03, Vsmps3HwHPReq2Valid - * 0x08, VanaHwHPReq2Valid - * 0x10, VpllHwHPReq2Valid - * 0x20, Vaux1HwHPReq2Valid - * 0x40, Vaux2HwHPReq2Valid - * 0x80, Vaux3HwHPReq2Valid - */ - REG_INIT(AB8540_REGUHWHPREQ2VALID1, 0x03, 0x0b, 0xff), - /* - * 0x01, VextSupply1HwHPReq2Valid - * 0x02, VextSupply2HwHPReq2Valid - * 0x04, VextSupply3HwHPReq2Valid - */ - REG_INIT(AB8540_REGUHWHPREQ2VALID2, 0x03, 0x0c, 0x07), - /* - * 0x01, VapeSwHPReqValid - * 0x02, VarmSwHPReqValid - * 0x04, Vsmps1SwHPReqValid - * 0x08, Vsmps2SwHPReqValid - * 0x10, Vsmps3SwHPReqValid - * 0x20, VanaSwHPReqValid - * 0x40, VpllSwHPReqValid - * 0x80, Vaux1SwHPReqValid - */ - REG_INIT(AB8540_REGUSWHPREQVALID1, 0x03, 0x0d, 0xff), - /* - * 0x01, Vaux2SwHPReqValid - * 0x02, Vaux3SwHPReqValid - * 0x04, VextSupply1SwHPReqValid - * 0x08, VextSupply2SwHPReqValid - * 0x10, VextSupply3SwHPReqValid - */ - REG_INIT(AB8540_REGUSWHPREQVALID2, 0x03, 0x0e, 0x1f), - /* - * 0x02, SysClkReq2Valid1 - * ... - * 0x80, SysClkReq8Valid1 - */ - REG_INIT(AB8540_REGUSYSCLKREQVALID1, 0x03, 0x0f, 0xff), - /* - * 0x02, SysClkReq2Valid2 - * ... - * 0x80, SysClkReq8Valid2 - */ - REG_INIT(AB8540_REGUSYSCLKREQVALID2, 0x03, 0x10, 0xff), - /* - * 0x01, Vaux4SwHPReqValid - * 0x02, Vaux4HwHPReq2Valid - * 0x04, Vaux4HwHPReq1Valid - * 0x08, Vaux4SysClkReq1HPValid - */ - REG_INIT(AB8540_REGUVAUX4REQVALID, 0x03, 0x11, 0x0f), - /* - * 0x01, Vaux5SwHPReqValid - * 0x02, Vaux5HwHPReq2Valid - * 0x04, Vaux5HwHPReq1Valid - * 0x08, Vaux5SysClkReq1HPValid - */ - REG_INIT(AB8540_REGUVAUX5REQVALID, 0x03, 0x12, 0x0f), - /* - * 0x01, Vaux6SwHPReqValid - * 0x02, Vaux6HwHPReq2Valid - * 0x04, Vaux6HwHPReq1Valid - * 0x08, Vaux6SysClkReq1HPValid - */ - REG_INIT(AB8540_REGUVAUX6REQVALID, 0x03, 0x13, 0x0f), - /* - * 0x01, VclkbSwHPReqValid - * 0x02, VclkbHwHPReq2Valid - * 0x04, VclkbHwHPReq1Valid - * 0x08, VclkbSysClkReq1HPValid - */ - REG_INIT(AB8540_REGUVCLKBREQVALID, 0x03, 0x14, 0x0f), - /* - * 0x01, Vrf1SwHPReqValid - * 0x02, Vrf1HwHPReq2Valid - * 0x04, Vrf1HwHPReq1Valid - * 0x08, Vrf1SysClkReq1HPValid - */ - REG_INIT(AB8540_REGUVRF1REQVALID, 0x03, 0x15, 0x0f), - /* - * 0x02, VTVoutEna - * 0x04, Vintcore12Ena - * 0x38, Vintcore12Sel - * 0x40, Vintcore12LP - * 0x80, VTVoutLP - */ - REG_INIT(AB8540_REGUMISC1, 0x03, 0x80, 0xfe), - /* - * 0x02, VaudioEna - * 0x04, VdmicEna - * 0x08, Vamic1Ena - * 0x10, Vamic2Ena - * 0x20, Vamic12LP - * 0xC0, VdmicSel - */ - REG_INIT(AB8540_VAUDIOSUPPLY, 0x03, 0x83, 0xfe), - /* - * 0x01, Vamic1_dzout - * 0x02, Vamic2_dzout - */ - REG_INIT(AB8540_REGUCTRL1VAMIC, 0x03, 0x84, 0x03), - /* - * 0x07, VHSICSel - * 0x08, VHSICOffState - * 0x10, VHSIEna - * 0x20, VHSICLP - */ - REG_INIT(AB8540_VHSIC, 0x03, 0x87, 0x3f), - /* - * 0x07, VSDIOSel - * 0x08, VSDIOOffState - * 0x10, VSDIOEna - * 0x20, VSDIOLP - */ - REG_INIT(AB8540_VSDIO, 0x03, 0x88, 0x3f), - /* - * 0x03, Vsmps1Regu - * 0x0c, Vsmps1SelCtrl - * 0x10, Vsmps1AutoMode - * 0x20, Vsmps1PWMMode - */ - REG_INIT(AB8540_VSMPS1REGU, 0x04, 0x03, 0x3f), - /* - * 0x03, Vsmps2Regu - * 0x0c, Vsmps2SelCtrl - * 0x10, Vsmps2AutoMode - * 0x20, Vsmps2PWMMode - */ - REG_INIT(AB8540_VSMPS2REGU, 0x04, 0x04, 0x3f), - /* - * 0x03, Vsmps3Regu - * 0x0c, Vsmps3SelCtrl - * 0x10, Vsmps3AutoMode - * 0x20, Vsmps3PWMMode - * NOTE! PRCMU register - */ - REG_INIT(AB8540_VSMPS3REGU, 0x04, 0x05, 0x0f), - /* - * 0x03, VpllRegu - * 0x0c, VanaRegu - */ - REG_INIT(AB8540_VPLLVANAREGU, 0x04, 0x06, 0x0f), - /* - * 0x03, VextSupply1Regu - * 0x0c, VextSupply2Regu - * 0x30, VextSupply3Regu - * 0x40, ExtSupply2Bypass - * 0x80, ExtSupply3Bypass - */ - REG_INIT(AB8540_EXTSUPPLYREGU, 0x04, 0x08, 0xff), - /* - * 0x03, Vaux1Regu - * 0x0c, Vaux2Regu - */ - REG_INIT(AB8540_VAUX12REGU, 0x04, 0x09, 0x0f), - /* - * 0x0c, VRF1Regu - * 0x03, Vaux3Regu - */ - REG_INIT(AB8540_VRF1VAUX3REGU, 0x04, 0x0a, 0x0f), - /* - * 0x3f, Vsmps1Sel1 - */ - REG_INIT(AB8540_VSMPS1SEL1, 0x04, 0x13, 0x3f), - /* - * 0x3f, Vsmps1Sel2 - */ - REG_INIT(AB8540_VSMPS1SEL2, 0x04, 0x14, 0x3f), - /* - * 0x3f, Vsmps1Sel3 - */ - REG_INIT(AB8540_VSMPS1SEL3, 0x04, 0x15, 0x3f), - /* - * 0x3f, Vsmps2Sel1 - */ - REG_INIT(AB8540_VSMPS2SEL1, 0x04, 0x17, 0x3f), - /* - * 0x3f, Vsmps2Sel2 - */ - REG_INIT(AB8540_VSMPS2SEL2, 0x04, 0x18, 0x3f), - /* - * 0x3f, Vsmps2Sel3 - */ - REG_INIT(AB8540_VSMPS2SEL3, 0x04, 0x19, 0x3f), - /* - * 0x7f, Vsmps3Sel1 - * NOTE! PRCMU register - */ - REG_INIT(AB8540_VSMPS3SEL1, 0x04, 0x1b, 0x7f), - /* - * 0x7f, Vsmps3Sel2 - * NOTE! PRCMU register - */ - REG_INIT(AB8540_VSMPS3SEL2, 0x04, 0x1c, 0x7f), - /* - * 0x0f, Vaux1Sel - */ - REG_INIT(AB8540_VAUX1SEL, 0x04, 0x1f, 0x0f), - /* - * 0x0f, Vaux2Sel - */ - REG_INIT(AB8540_VAUX2SEL, 0x04, 0x20, 0x0f), - /* - * 0x07, Vaux3Sel - * 0x70, Vrf1Sel - */ - REG_INIT(AB8540_VRF1VAUX3SEL, 0x04, 0x21, 0x77), - /* - * 0x01, VextSupply12LP - */ - REG_INIT(AB8540_REGUCTRL2SPARE, 0x04, 0x22, 0x01), - /* - * 0x07, Vanasel - * 0x30, Vpllsel - */ - REG_INIT(AB8540_VANAVPLLSEL, 0x04, 0x29, 0x37), - /* - * 0x03, Vaux4RequestCtrl - */ - REG_INIT(AB8540_VAUX4REQCTRL, 0x04, 0x2d, 0x03), - /* - * 0x03, Vaux4Regu - */ - REG_INIT(AB8540_VAUX4REGU, 0x04, 0x2e, 0x03), - /* - * 0x0f, Vaux4Sel - */ - REG_INIT(AB8540_VAUX4SEL, 0x04, 0x2f, 0x0f), - /* - * 0x03, Vaux5RequestCtrl - */ - REG_INIT(AB8540_VAUX5REQCTRL, 0x04, 0x31, 0x03), - /* - * 0x03, Vaux5Regu - */ - REG_INIT(AB8540_VAUX5REGU, 0x04, 0x32, 0x03), - /* - * 0x3f, Vaux5Sel - */ - REG_INIT(AB8540_VAUX5SEL, 0x04, 0x33, 0x3f), - /* - * 0x03, Vaux6RequestCtrl - */ - REG_INIT(AB8540_VAUX6REQCTRL, 0x04, 0x34, 0x03), - /* - * 0x03, Vaux6Regu - */ - REG_INIT(AB8540_VAUX6REGU, 0x04, 0x35, 0x03), - /* - * 0x3f, Vaux6Sel - */ - REG_INIT(AB8540_VAUX6SEL, 0x04, 0x36, 0x3f), - /* - * 0x03, VCLKBRequestCtrl - */ - REG_INIT(AB8540_VCLKBREQCTRL, 0x04, 0x37, 0x03), - /* - * 0x03, VCLKBRegu - */ - REG_INIT(AB8540_VCLKBREGU, 0x04, 0x38, 0x03), - /* - * 0x07, VCLKBSel - */ - REG_INIT(AB8540_VCLKBSEL, 0x04, 0x39, 0x07), - /* - * 0x03, Vrf1RequestCtrl - */ - REG_INIT(AB8540_VRF1REQCTRL, 0x04, 0x3a, 0x03), - /* - * 0x01, VpllDisch - * 0x02, Vrf1Disch - * 0x04, Vaux1Disch - * 0x08, Vaux2Disch - * 0x10, Vaux3Disch - * 0x20, Vintcore12Disch - * 0x40, VTVoutDisch - * 0x80, VaudioDisch - */ - REG_INIT(AB8540_REGUCTRLDISCH, 0x04, 0x43, 0xff), - /* - * 0x02, VanaDisch - * 0x04, VdmicPullDownEna - * 0x08, VpllPullDownEna - * 0x10, VdmicDisch - */ - REG_INIT(AB8540_REGUCTRLDISCH2, 0x04, 0x44, 0x1e), - /* - * 0x01, Vaux4Disch - */ - REG_INIT(AB8540_REGUCTRLDISCH3, 0x04, 0x48, 0x01), - /* - * 0x01, Vaux5Disch - * 0x02, Vaux6Disch - * 0x04, VCLKBDisch - */ - REG_INIT(AB8540_REGUCTRLDISCH4, 0x04, 0x49, 0x07), -}; - static struct of_regulator_match ab8500_regulator_match[] = { { .name = "ab8500_ldo_aux1", .driver_data = (void *) AB8500_LDO_AUX1, }, { .name = "ab8500_ldo_aux2", .driver_data = (void *) AB8500_LDO_AUX2, }, @@ -2925,37 +1565,6 @@ static struct of_regulator_match ab8505_regulator_match[] = { { .name = "ab8500_ldo_ana", .driver_data = (void *) AB8505_LDO_ANA, }, }; -static struct of_regulator_match ab8540_regulator_match[] = { - { .name = "ab8500_ldo_aux1", .driver_data = (void *) AB8540_LDO_AUX1, }, - { .name = "ab8500_ldo_aux2", .driver_data = (void *) AB8540_LDO_AUX2, }, - { .name = "ab8500_ldo_aux3", .driver_data = (void *) AB8540_LDO_AUX3, }, - { .name = "ab8500_ldo_aux4", .driver_data = (void *) AB8540_LDO_AUX4, }, - { .name = "ab8500_ldo_aux5", .driver_data = (void *) AB8540_LDO_AUX5, }, - { .name = "ab8500_ldo_aux6", .driver_data = (void *) AB8540_LDO_AUX6, }, - { .name = "ab8500_ldo_intcore", .driver_data = (void *) AB8540_LDO_INTCORE, }, - { .name = "ab8500_ldo_tvout", .driver_data = (void *) AB8540_LDO_TVOUT, }, - { .name = "ab8500_ldo_audio", .driver_data = (void *) AB8540_LDO_AUDIO, }, - { .name = "ab8500_ldo_anamic1", .driver_data = (void *) AB8540_LDO_ANAMIC1, }, - { .name = "ab8500_ldo_anamic2", .driver_data = (void *) AB8540_LDO_ANAMIC2, }, - { .name = "ab8500_ldo_dmic", .driver_data = (void *) AB8540_LDO_DMIC, }, - { .name = "ab8500_ldo_ana", .driver_data = (void *) AB8540_LDO_ANA, }, - { .name = "ab8500_ldo_sdio", .driver_data = (void *) AB8540_LDO_SDIO, }, -}; - -static struct of_regulator_match ab9540_regulator_match[] = { - { .name = "ab8500_ldo_aux1", .driver_data = (void *) AB9540_LDO_AUX1, }, - { .name = "ab8500_ldo_aux2", .driver_data = (void *) AB9540_LDO_AUX2, }, - { .name = "ab8500_ldo_aux3", .driver_data = (void *) AB9540_LDO_AUX3, }, - { .name = "ab8500_ldo_aux4", .driver_data = (void *) AB9540_LDO_AUX4, }, - { .name = "ab8500_ldo_intcore", .driver_data = (void *) AB9540_LDO_INTCORE, }, - { .name = "ab8500_ldo_tvout", .driver_data = (void *) AB9540_LDO_TVOUT, }, - { .name = "ab8500_ldo_audio", .driver_data = (void *) AB9540_LDO_AUDIO, }, - { .name = "ab8500_ldo_anamic1", .driver_data = (void *) AB9540_LDO_ANAMIC1, }, - { .name = "ab8500_ldo_anamic2", .driver_data = (void *) AB9540_LDO_ANAMIC2, }, - { .name = "ab8500_ldo_dmic", .driver_data = (void *) AB9540_LDO_DMIC, }, - { .name = "ab8500_ldo_ana", .driver_data = (void *) AB9540_LDO_ANA, }, -}; - static struct { struct ab8500_regulator_info *info; int info_size; @@ -2967,27 +1576,13 @@ static struct { static void abx500_get_regulator_info(struct ab8500 *ab8500) { - if (is_ab9540(ab8500)) { - abx500_regulator.info = ab9540_regulator_info; - abx500_regulator.info_size = ARRAY_SIZE(ab9540_regulator_info); - abx500_regulator.init = ab9540_reg_init; - abx500_regulator.init_size = AB9540_NUM_REGULATOR_REGISTERS; - abx500_regulator.match = ab9540_regulator_match; - abx500_regulator.match_size = ARRAY_SIZE(ab9540_regulator_match); - } else if (is_ab8505(ab8500)) { + if (is_ab8505(ab8500)) { abx500_regulator.info = ab8505_regulator_info; abx500_regulator.info_size = ARRAY_SIZE(ab8505_regulator_info); abx500_regulator.init = ab8505_reg_init; abx500_regulator.init_size = AB8505_NUM_REGULATOR_REGISTERS; abx500_regulator.match = ab8505_regulator_match; abx500_regulator.match_size = ARRAY_SIZE(ab8505_regulator_match); - } else if (is_ab8540(ab8500)) { - abx500_regulator.info = ab8540_regulator_info; - abx500_regulator.info_size = ARRAY_SIZE(ab8540_regulator_info); - abx500_regulator.init = ab8540_reg_init; - abx500_regulator.init_size = AB8540_NUM_REGULATOR_REGISTERS; - abx500_regulator.match = ab8540_regulator_match; - abx500_regulator.match_size = ARRAY_SIZE(ab8540_regulator_match); } else { abx500_regulator.info = ab8500_regulator_info; abx500_regulator.info_size = ARRAY_SIZE(ab8500_regulator_info); diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c index 7d6478e..d9d8155 100644 --- a/drivers/regulator/anatop-regulator.c +++ b/drivers/regulator/anatop-regulator.c @@ -1,22 +1,6 @@ -/* - * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. - */ - -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ +// SPDX-License-Identifier: GPL-2.0+ +// +// Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. #include <linux/slab.h> #include <linux/device.h> diff --git a/drivers/regulator/arizona-ldo1.c b/drivers/regulator/arizona-ldo1.c index 96fddff..f6d6a4a 100644 --- a/drivers/regulator/arizona-ldo1.c +++ b/drivers/regulator/arizona-ldo1.c @@ -17,12 +17,11 @@ #include <linux/bitops.h> #include <linux/err.h> #include <linux/of.h> -#include <linux/of_gpio.h> +#include <linux/gpio/consumer.h> #include <linux/platform_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> #include <linux/regulator/of_regulator.h> -#include <linux/gpio.h> #include <linux/slab.h> #include <linux/regulator/arizona-ldo1.h> @@ -198,16 +197,6 @@ static int arizona_ldo1_of_get_pdata(struct arizona_ldo1_pdata *pdata, struct device_node *init_node, *dcvdd_node; struct regulator_init_data *init_data; - pdata->ldoena = of_get_named_gpio(np, "wlf,ldoena", 0); - if (pdata->ldoena < 0) { - dev_warn(config->dev, - "LDOENA GPIO property missing/malformed: %d\n", - pdata->ldoena); - pdata->ldoena = 0; - } else { - config->ena_gpio_initialized = true; - } - init_node = of_get_child_by_name(np, "ldo1"); dcvdd_node = of_parse_phandle(np, "DCVDD-supply", 0); @@ -264,7 +253,11 @@ static int arizona_ldo1_common_init(struct platform_device *pdev, } } - config.ena_gpio = pdata->ldoena; + /* We assume that high output = regulator off */ + config.ena_gpiod = devm_gpiod_get_optional(&pdev->dev, "wlf,ldoena", + GPIOD_OUT_HIGH); + if (IS_ERR(config.ena_gpiod)) + return PTR_ERR(config.ena_gpiod); if (pdata->init_data) config.init_data = pdata->init_data; diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c index 181622b..91b8ff8 100644 --- a/drivers/regulator/axp20x-regulator.c +++ b/drivers/regulator/axp20x-regulator.c @@ -721,6 +721,8 @@ static int axp20x_regulator_probe(struct platform_device *pdev) case AXP803_ID: regulators = axp803_regulators; nregulators = AXP803_REG_ID_MAX; + drivevbus = of_property_read_bool(pdev->dev.parent->of_node, + "x-powers,drive-vbus-en"); break; case AXP806_ID: regulators = axp806_regulators; diff --git a/drivers/regulator/bd71837-regulator.c b/drivers/regulator/bd71837-regulator.c new file mode 100644 index 0000000..6eae4d04 --- /dev/null +++ b/drivers/regulator/bd71837-regulator.c @@ -0,0 +1,640 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2018 ROHM Semiconductors +// bd71837-regulator.c ROHM BD71837MWV regulator driver + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/err.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/gpio.h> +#include <linux/mfd/bd71837.h> +#include <linux/regulator/of_regulator.h> + +struct bd71837_pmic { + struct regulator_desc descs[BD71837_REGULATOR_CNT]; + struct bd71837 *mfd; + struct platform_device *pdev; + struct regulator_dev *rdev[BD71837_REGULATOR_CNT]; +}; + +/* + * BUCK1/2/3/4 + * BUCK1RAMPRATE[1:0] BUCK1 DVS ramp rate setting + * 00: 10.00mV/usec 10mV 1uS + * 01: 5.00mV/usec 10mV 2uS + * 10: 2.50mV/usec 10mV 4uS + * 11: 1.25mV/usec 10mV 8uS + */ +static int bd71837_buck1234_set_ramp_delay(struct regulator_dev *rdev, + int ramp_delay) +{ + struct bd71837_pmic *pmic = rdev_get_drvdata(rdev); + struct bd71837 *mfd = pmic->mfd; + int id = rdev->desc->id; + unsigned int ramp_value = BUCK_RAMPRATE_10P00MV; + + dev_dbg(&(pmic->pdev->dev), "Buck[%d] Set Ramp = %d\n", id + 1, + ramp_delay); + switch (ramp_delay) { + case 1 ... 1250: + ramp_value = BUCK_RAMPRATE_1P25MV; + break; + case 1251 ... 2500: + ramp_value = BUCK_RAMPRATE_2P50MV; + break; + case 2501 ... 5000: + ramp_value = BUCK_RAMPRATE_5P00MV; + break; + case 5001 ... 10000: + ramp_value = BUCK_RAMPRATE_10P00MV; + break; + default: + ramp_value = BUCK_RAMPRATE_10P00MV; + dev_err(&pmic->pdev->dev, + "%s: ramp_delay: %d not supported, setting 10000mV//us\n", + rdev->desc->name, ramp_delay); + } + + return regmap_update_bits(mfd->regmap, BD71837_REG_BUCK1_CTRL + id, + BUCK_RAMPRATE_MASK, ramp_value << 6); +} + +/* Bucks 1 to 4 support DVS. PWM mode is used when voltage is changed. + * Bucks 5 to 8 and LDOs can use PFM and must be disabled when voltage + * is changed. Hence we return -EBUSY for these if voltage is changed + * when BUCK/LDO is enabled. + */ +static int bd71837_set_voltage_sel_restricted(struct regulator_dev *rdev, + unsigned int sel) +{ + int ret; + + ret = regulator_is_enabled_regmap(rdev); + if (!ret) + ret = regulator_set_voltage_sel_regmap(rdev, sel); + else if (ret == 1) + ret = -EBUSY; + return ret; +} + +static struct regulator_ops bd71837_ldo_regulator_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .list_voltage = regulator_list_voltage_linear_range, + .set_voltage_sel = bd71837_set_voltage_sel_restricted, + .get_voltage_sel = regulator_get_voltage_sel_regmap, +}; + +static struct regulator_ops bd71837_ldo_regulator_nolinear_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .list_voltage = regulator_list_voltage_table, + .set_voltage_sel = bd71837_set_voltage_sel_restricted, + .get_voltage_sel = regulator_get_voltage_sel_regmap, +}; + +static struct regulator_ops bd71837_buck_regulator_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .list_voltage = regulator_list_voltage_linear_range, + .set_voltage_sel = bd71837_set_voltage_sel_restricted, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_time_sel = regulator_set_voltage_time_sel, +}; + +static struct regulator_ops bd71837_buck_regulator_nolinear_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .list_voltage = regulator_list_voltage_table, + .set_voltage_sel = bd71837_set_voltage_sel_restricted, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_time_sel = regulator_set_voltage_time_sel, +}; + +static struct regulator_ops bd71837_buck1234_regulator_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .list_voltage = regulator_list_voltage_linear_range, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_time_sel = regulator_set_voltage_time_sel, + .set_ramp_delay = bd71837_buck1234_set_ramp_delay, +}; + +/* + * BUCK1/2/3/4 + * 0.70 to 1.30V (10mV step) + */ +static const struct regulator_linear_range bd71837_buck1234_voltage_ranges[] = { + REGULATOR_LINEAR_RANGE(700000, 0x00, 0x3C, 10000), + REGULATOR_LINEAR_RANGE(1300000, 0x3D, 0x3F, 0), +}; + +/* + * BUCK5 + * 0.9V to 1.35V () + */ +static const struct regulator_linear_range bd71837_buck5_voltage_ranges[] = { + REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000), + REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000), + REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000), +}; + +/* + * BUCK6 + * 3.0V to 3.3V (step 100mV) + */ +static const struct regulator_linear_range bd71837_buck6_voltage_ranges[] = { + REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000), +}; + +/* + * BUCK7 + * 000 = 1.605V + * 001 = 1.695V + * 010 = 1.755V + * 011 = 1.8V (Initial) + * 100 = 1.845V + * 101 = 1.905V + * 110 = 1.95V + * 111 = 1.995V + */ +static const unsigned int buck_7_volts[] = { + 1605000, 1695000, 1755000, 1800000, 1845000, 1905000, 1950000, 1995000 +}; + +/* + * BUCK8 + * 0.8V to 1.40V (step 10mV) + */ +static const struct regulator_linear_range bd71837_buck8_voltage_ranges[] = { + REGULATOR_LINEAR_RANGE(800000, 0x00, 0x3C, 10000), + REGULATOR_LINEAR_RANGE(1400000, 0x3D, 0x3F, 0), +}; + +/* + * LDO1 + * 3.0 to 3.3V (100mV step) + */ +static const struct regulator_linear_range bd71837_ldo1_voltage_ranges[] = { + REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000), +}; + +/* + * LDO2 + * 0.8 or 0.9V + */ +const unsigned int ldo_2_volts[] = { + 900000, 800000 +}; + +/* + * LDO3 + * 1.8 to 3.3V (100mV step) + */ +static const struct regulator_linear_range bd71837_ldo3_voltage_ranges[] = { + REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), +}; + +/* + * LDO4 + * 0.9 to 1.8V (100mV step) + */ +static const struct regulator_linear_range bd71837_ldo4_voltage_ranges[] = { + REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000), + REGULATOR_LINEAR_RANGE(1800000, 0x0A, 0x0F, 0), +}; + +/* + * LDO5 + * 1.8 to 3.3V (100mV step) + */ +static const struct regulator_linear_range bd71837_ldo5_voltage_ranges[] = { + REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), +}; + +/* + * LDO6 + * 0.9 to 1.8V (100mV step) + */ +static const struct regulator_linear_range bd71837_ldo6_voltage_ranges[] = { + REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000), + REGULATOR_LINEAR_RANGE(1800000, 0x0A, 0x0F, 0), +}; + +/* + * LDO7 + * 1.8 to 3.3V (100mV step) + */ +static const struct regulator_linear_range bd71837_ldo7_voltage_ranges[] = { + REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), +}; + +static const struct regulator_desc bd71837_regulators[] = { + { + .name = "buck1", + .of_match = of_match_ptr("BUCK1"), + .regulators_node = of_match_ptr("regulators"), + .id = BD71837_BUCK1, + .ops = &bd71837_buck1234_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = BD71837_BUCK1_VOLTAGE_NUM, + .linear_ranges = bd71837_buck1234_voltage_ranges, + .n_linear_ranges = ARRAY_SIZE(bd71837_buck1234_voltage_ranges), + .vsel_reg = BD71837_REG_BUCK1_VOLT_RUN, + .vsel_mask = BUCK1_RUN_MASK, + .enable_reg = BD71837_REG_BUCK1_CTRL, + .enable_mask = BD71837_BUCK_EN, + .owner = THIS_MODULE, + }, + { + .name = "buck2", + .of_match = of_match_ptr("BUCK2"), + .regulators_node = of_match_ptr("regulators"), + .id = BD71837_BUCK2, + .ops = &bd71837_buck1234_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = BD71837_BUCK2_VOLTAGE_NUM, + .linear_ranges = bd71837_buck1234_voltage_ranges, + .n_linear_ranges = ARRAY_SIZE(bd71837_buck1234_voltage_ranges), + .vsel_reg = BD71837_REG_BUCK2_VOLT_RUN, + .vsel_mask = BUCK2_RUN_MASK, + .enable_reg = BD71837_REG_BUCK2_CTRL, + .enable_mask = BD71837_BUCK_EN, + .owner = THIS_MODULE, + }, + { + .name = "buck3", + .of_match = of_match_ptr("BUCK3"), + .regulators_node = of_match_ptr("regulators"), + .id = BD71837_BUCK3, + .ops = &bd71837_buck1234_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = BD71837_BUCK3_VOLTAGE_NUM, + .linear_ranges = bd71837_buck1234_voltage_ranges, + .n_linear_ranges = ARRAY_SIZE(bd71837_buck1234_voltage_ranges), + .vsel_reg = BD71837_REG_BUCK3_VOLT_RUN, + .vsel_mask = BUCK3_RUN_MASK, + .enable_reg = BD71837_REG_BUCK3_CTRL, + .enable_mask = BD71837_BUCK_EN, + .owner = THIS_MODULE, + }, + { + .name = "buck4", + .of_match = of_match_ptr("BUCK4"), + .regulators_node = of_match_ptr("regulators"), + .id = BD71837_BUCK4, + .ops = &bd71837_buck1234_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = BD71837_BUCK4_VOLTAGE_NUM, + .linear_ranges = bd71837_buck1234_voltage_ranges, + .n_linear_ranges = ARRAY_SIZE(bd71837_buck1234_voltage_ranges), + .vsel_reg = BD71837_REG_BUCK4_VOLT_RUN, + .vsel_mask = BUCK4_RUN_MASK, + .enable_reg = BD71837_REG_BUCK4_CTRL, + .enable_mask = BD71837_BUCK_EN, + .owner = THIS_MODULE, + }, + { + .name = "buck5", + .of_match = of_match_ptr("BUCK5"), + .regulators_node = of_match_ptr("regulators"), + .id = BD71837_BUCK5, + .ops = &bd71837_buck_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = BD71837_BUCK5_VOLTAGE_NUM, + .linear_ranges = bd71837_buck5_voltage_ranges, + .n_linear_ranges = ARRAY_SIZE(bd71837_buck5_voltage_ranges), + .vsel_reg = BD71837_REG_BUCK5_VOLT, + .vsel_mask = BUCK5_MASK, + .enable_reg = BD71837_REG_BUCK5_CTRL, + .enable_mask = BD71837_BUCK_EN, + .owner = THIS_MODULE, + }, + { + .name = "buck6", + .of_match = of_match_ptr("BUCK6"), + .regulators_node = of_match_ptr("regulators"), + .id = BD71837_BUCK6, + .ops = &bd71837_buck_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = BD71837_BUCK6_VOLTAGE_NUM, + .linear_ranges = bd71837_buck6_voltage_ranges, + .n_linear_ranges = ARRAY_SIZE(bd71837_buck6_voltage_ranges), + .vsel_reg = BD71837_REG_BUCK6_VOLT, + .vsel_mask = BUCK6_MASK, + .enable_reg = BD71837_REG_BUCK6_CTRL, + .enable_mask = BD71837_BUCK_EN, + .owner = THIS_MODULE, + }, + { + .name = "buck7", + .of_match = of_match_ptr("BUCK7"), + .regulators_node = of_match_ptr("regulators"), + .id = BD71837_BUCK7, + .ops = &bd71837_buck_regulator_nolinear_ops, + .type = REGULATOR_VOLTAGE, + .volt_table = &buck_7_volts[0], + .n_voltages = ARRAY_SIZE(buck_7_volts), + .vsel_reg = BD71837_REG_BUCK7_VOLT, + .vsel_mask = BUCK7_MASK, + .enable_reg = BD71837_REG_BUCK7_CTRL, + .enable_mask = BD71837_BUCK_EN, + .owner = THIS_MODULE, + }, + { + .name = "buck8", + .of_match = of_match_ptr("BUCK8"), + .regulators_node = of_match_ptr("regulators"), + .id = BD71837_BUCK8, + .ops = &bd71837_buck_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = BD71837_BUCK8_VOLTAGE_NUM, + .linear_ranges = bd71837_buck8_voltage_ranges, + .n_linear_ranges = ARRAY_SIZE(bd71837_buck8_voltage_ranges), + .vsel_reg = BD71837_REG_BUCK8_VOLT, + .vsel_mask = BUCK8_MASK, + .enable_reg = BD71837_REG_BUCK8_CTRL, + .enable_mask = BD71837_BUCK_EN, + .owner = THIS_MODULE, + }, + { + .name = "ldo1", + .of_match = of_match_ptr("LDO1"), + .regulators_node = of_match_ptr("regulators"), + .id = BD71837_LDO1, + .ops = &bd71837_ldo_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = BD71837_LDO1_VOLTAGE_NUM, + .linear_ranges = bd71837_ldo1_voltage_ranges, + .n_linear_ranges = ARRAY_SIZE(bd71837_ldo1_voltage_ranges), + .vsel_reg = BD71837_REG_LDO1_VOLT, + .vsel_mask = LDO1_MASK, + .enable_reg = BD71837_REG_LDO1_VOLT, + .enable_mask = BD71837_LDO_EN, + .owner = THIS_MODULE, + }, + { + .name = "ldo2", + .of_match = of_match_ptr("LDO2"), + .regulators_node = of_match_ptr("regulators"), + .id = BD71837_LDO2, + .ops = &bd71837_ldo_regulator_nolinear_ops, + .type = REGULATOR_VOLTAGE, + .volt_table = &ldo_2_volts[0], + .vsel_reg = BD71837_REG_LDO2_VOLT, + .vsel_mask = LDO2_MASK, + .n_voltages = ARRAY_SIZE(ldo_2_volts), + .n_voltages = BD71837_LDO2_VOLTAGE_NUM, + .enable_reg = BD71837_REG_LDO2_VOLT, + .enable_mask = BD71837_LDO_EN, + .owner = THIS_MODULE, + }, + { + .name = "ldo3", + .of_match = of_match_ptr("LDO3"), + .regulators_node = of_match_ptr("regulators"), + .id = BD71837_LDO3, + .ops = &bd71837_ldo_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = BD71837_LDO3_VOLTAGE_NUM, + .linear_ranges = bd71837_ldo3_voltage_ranges, + .n_linear_ranges = ARRAY_SIZE(bd71837_ldo3_voltage_ranges), + .vsel_reg = BD71837_REG_LDO3_VOLT, + .vsel_mask = LDO3_MASK, + .enable_reg = BD71837_REG_LDO3_VOLT, + .enable_mask = BD71837_LDO_EN, + .owner = THIS_MODULE, + }, + { + .name = "ldo4", + .of_match = of_match_ptr("LDO4"), + .regulators_node = of_match_ptr("regulators"), + .id = BD71837_LDO4, + .ops = &bd71837_ldo_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = BD71837_LDO4_VOLTAGE_NUM, + .linear_ranges = bd71837_ldo4_voltage_ranges, + .n_linear_ranges = ARRAY_SIZE(bd71837_ldo4_voltage_ranges), + .vsel_reg = BD71837_REG_LDO4_VOLT, + .vsel_mask = LDO4_MASK, + .enable_reg = BD71837_REG_LDO4_VOLT, + .enable_mask = BD71837_LDO_EN, + .owner = THIS_MODULE, + }, + { + .name = "ldo5", + .of_match = of_match_ptr("LDO5"), + .regulators_node = of_match_ptr("regulators"), + .id = BD71837_LDO5, + .ops = &bd71837_ldo_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = BD71837_LDO5_VOLTAGE_NUM, + .linear_ranges = bd71837_ldo5_voltage_ranges, + .n_linear_ranges = ARRAY_SIZE(bd71837_ldo5_voltage_ranges), + /* LDO5 is supplied by buck6 */ + .supply_name = "buck6", + .vsel_reg = BD71837_REG_LDO5_VOLT, + .vsel_mask = LDO5_MASK, + .enable_reg = BD71837_REG_LDO5_VOLT, + .enable_mask = BD71837_LDO_EN, + .owner = THIS_MODULE, + }, + { + .name = "ldo6", + .of_match = of_match_ptr("LDO6"), + .regulators_node = of_match_ptr("regulators"), + .id = BD71837_LDO6, + .ops = &bd71837_ldo_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = BD71837_LDO6_VOLTAGE_NUM, + .linear_ranges = bd71837_ldo6_voltage_ranges, + .n_linear_ranges = ARRAY_SIZE(bd71837_ldo6_voltage_ranges), + /* LDO6 is supplied by buck7 */ + .supply_name = "buck7", + .vsel_reg = BD71837_REG_LDO6_VOLT, + .vsel_mask = LDO6_MASK, + .enable_reg = BD71837_REG_LDO6_VOLT, + .enable_mask = BD71837_LDO_EN, + .owner = THIS_MODULE, + }, + { + .name = "ldo7", + .of_match = of_match_ptr("LDO7"), + .regulators_node = of_match_ptr("regulators"), + .id = BD71837_LDO7, + .ops = &bd71837_ldo_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = BD71837_LDO7_VOLTAGE_NUM, + .linear_ranges = bd71837_ldo7_voltage_ranges, + .n_linear_ranges = ARRAY_SIZE(bd71837_ldo7_voltage_ranges), + .vsel_reg = BD71837_REG_LDO7_VOLT, + .vsel_mask = LDO7_MASK, + .enable_reg = BD71837_REG_LDO7_VOLT, + .enable_mask = BD71837_LDO_EN, + .owner = THIS_MODULE, + }, +}; + +struct reg_init { + unsigned int reg; + unsigned int mask; +}; + +static int bd71837_probe(struct platform_device *pdev) +{ + struct bd71837_pmic *pmic; + struct bd71837_board *pdata; + struct regulator_config config = { 0 }; + struct reg_init pmic_regulator_inits[] = { + { + .reg = BD71837_REG_BUCK1_CTRL, + .mask = BD71837_BUCK_SEL, + }, { + .reg = BD71837_REG_BUCK2_CTRL, + .mask = BD71837_BUCK_SEL, + }, { + .reg = BD71837_REG_BUCK3_CTRL, + .mask = BD71837_BUCK_SEL, + }, { + .reg = BD71837_REG_BUCK4_CTRL, + .mask = BD71837_BUCK_SEL, + }, { + .reg = BD71837_REG_BUCK5_CTRL, + .mask = BD71837_BUCK_SEL, + }, { + .reg = BD71837_REG_BUCK6_CTRL, + .mask = BD71837_BUCK_SEL, + }, { + .reg = BD71837_REG_BUCK7_CTRL, + .mask = BD71837_BUCK_SEL, + }, { + .reg = BD71837_REG_BUCK8_CTRL, + .mask = BD71837_BUCK_SEL, + }, { + .reg = BD71837_REG_LDO1_VOLT, + .mask = BD71837_LDO_SEL, + }, { + .reg = BD71837_REG_LDO2_VOLT, + .mask = BD71837_LDO_SEL, + }, { + .reg = BD71837_REG_LDO3_VOLT, + .mask = BD71837_LDO_SEL, + }, { + .reg = BD71837_REG_LDO4_VOLT, + .mask = BD71837_LDO_SEL, + }, { + .reg = BD71837_REG_LDO5_VOLT, + .mask = BD71837_LDO_SEL, + }, { + .reg = BD71837_REG_LDO6_VOLT, + .mask = BD71837_LDO_SEL, + }, { + .reg = BD71837_REG_LDO7_VOLT, + .mask = BD71837_LDO_SEL, + } + }; + + int i, err; + + pmic = devm_kzalloc(&pdev->dev, sizeof(struct bd71837_pmic), + GFP_KERNEL); + if (!pmic) + return -ENOMEM; + + memcpy(pmic->descs, bd71837_regulators, sizeof(pmic->descs)); + + pmic->pdev = pdev; + pmic->mfd = dev_get_drvdata(pdev->dev.parent); + + if (!pmic->mfd) { + dev_err(&pdev->dev, "No MFD driver data\n"); + err = -EINVAL; + goto err; + } + platform_set_drvdata(pdev, pmic); + pdata = dev_get_platdata(pmic->mfd->dev); + + /* Register LOCK release */ + err = regmap_update_bits(pmic->mfd->regmap, BD71837_REG_REGLOCK, + (REGLOCK_PWRSEQ | REGLOCK_VREG), 0); + if (err) { + dev_err(&pmic->pdev->dev, "Failed to unlock PMIC (%d)\n", err); + goto err; + } else { + dev_dbg(&pmic->pdev->dev, "%s: Unlocked lock register 0x%x\n", + __func__, BD71837_REG_REGLOCK); + } + + for (i = 0; i < ARRAY_SIZE(pmic_regulator_inits); i++) { + + struct regulator_desc *desc; + struct regulator_dev *rdev; + + desc = &pmic->descs[i]; + + if (pdata) + config.init_data = pdata->init_data[i]; + + config.dev = pdev->dev.parent; + config.driver_data = pmic; + config.regmap = pmic->mfd->regmap; + + rdev = devm_regulator_register(&pdev->dev, desc, &config); + if (IS_ERR(rdev)) { + dev_err(pmic->mfd->dev, + "failed to register %s regulator\n", + desc->name); + err = PTR_ERR(rdev); + goto err; + } + /* Regulator register gets the regulator constraints and + * applies them (set_machine_constraints). This should have + * turned the control register(s) to correct values and we + * can now switch the control from PMIC state machine to the + * register interface + */ + err = regmap_update_bits(pmic->mfd->regmap, + pmic_regulator_inits[i].reg, + pmic_regulator_inits[i].mask, + 0xFFFFFFFF); + if (err) { + dev_err(&pmic->pdev->dev, + "Failed to write BUCK/LDO SEL bit for (%s)\n", + desc->name); + goto err; + } + + pmic->rdev[i] = rdev; + } + + return 0; + +err: + return err; +} + +static struct platform_driver bd71837_regulator = { + .driver = { + .name = "bd71837-pmic", + .owner = THIS_MODULE, + }, + .probe = bd71837_probe, +}; + +module_platform_driver(bd71837_regulator); + +MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>"); +MODULE_DESCRIPTION("BD71837 voltage regulator driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/regulator/bd9571mwv-regulator.c b/drivers/regulator/bd9571mwv-regulator.c index c67a83d5..be574eb 100644 --- a/drivers/regulator/bd9571mwv-regulator.c +++ b/drivers/regulator/bd9571mwv-regulator.c @@ -24,6 +24,18 @@ #include <linux/mfd/bd9571mwv.h> +struct bd9571mwv_reg { + struct bd9571mwv *bd; + + /* DDR Backup Power */ + u8 bkup_mode_cnt_keepon; /* from "rohm,ddr-backup-power" */ + u8 bkup_mode_cnt_saved; + + /* Power switch type */ + bool rstbmode_level; + bool rstbmode_pulse; +}; + enum bd9571mwv_regulators { VD09, VD18, VD25, VD33, DVFS }; #define BD9571MWV_REG(_name, _of, _id, _ops, _vr, _vm, _nv, _min, _step, _lmin)\ @@ -131,14 +143,99 @@ static struct regulator_desc regulators[] = { 0x80, 600000, 10000, 0x3c), }; +#ifdef CONFIG_PM_SLEEP +static int bd9571mwv_bkup_mode_read(struct bd9571mwv *bd, unsigned int *mode) +{ + int ret; + + ret = regmap_read(bd->regmap, BD9571MWV_BKUP_MODE_CNT, mode); + if (ret) { + dev_err(bd->dev, "failed to read backup mode (%d)\n", ret); + return ret; + } + + return 0; +} + +static int bd9571mwv_bkup_mode_write(struct bd9571mwv *bd, unsigned int mode) +{ + int ret; + + ret = regmap_write(bd->regmap, BD9571MWV_BKUP_MODE_CNT, mode); + if (ret) { + dev_err(bd->dev, "failed to configure backup mode 0x%x (%d)\n", + mode, ret); + return ret; + } + + return 0; +} + +static int bd9571mwv_suspend(struct device *dev) +{ + struct bd9571mwv_reg *bdreg = dev_get_drvdata(dev); + unsigned int mode; + int ret; + + if (!device_may_wakeup(dev)) + return 0; + + /* Save DDR Backup Mode */ + ret = bd9571mwv_bkup_mode_read(bdreg->bd, &mode); + if (ret) + return ret; + + bdreg->bkup_mode_cnt_saved = mode; + + if (!bdreg->rstbmode_pulse) + return 0; + + /* Enable DDR Backup Mode */ + mode &= ~BD9571MWV_BKUP_MODE_CNT_KEEPON_MASK; + mode |= bdreg->bkup_mode_cnt_keepon; + + if (mode != bdreg->bkup_mode_cnt_saved) + return bd9571mwv_bkup_mode_write(bdreg->bd, mode); + + return 0; +} + +static int bd9571mwv_resume(struct device *dev) +{ + struct bd9571mwv_reg *bdreg = dev_get_drvdata(dev); + + if (!device_may_wakeup(dev)) + return 0; + + /* Restore DDR Backup Mode */ + return bd9571mwv_bkup_mode_write(bdreg->bd, bdreg->bkup_mode_cnt_saved); +} + +static const struct dev_pm_ops bd9571mwv_pm = { + SET_SYSTEM_SLEEP_PM_OPS(bd9571mwv_suspend, bd9571mwv_resume) +}; + +#define DEV_PM_OPS &bd9571mwv_pm +#else +#define DEV_PM_OPS NULL +#endif /* CONFIG_PM_SLEEP */ + static int bd9571mwv_regulator_probe(struct platform_device *pdev) { struct bd9571mwv *bd = dev_get_drvdata(pdev->dev.parent); struct regulator_config config = { }; + struct bd9571mwv_reg *bdreg; struct regulator_dev *rdev; + unsigned int val; int i; - platform_set_drvdata(pdev, bd); + bdreg = devm_kzalloc(&pdev->dev, sizeof(*bdreg), GFP_KERNEL); + if (!bdreg) + return -ENOMEM; + + bdreg->bd = bd; + + platform_set_drvdata(pdev, bdreg); config.dev = &pdev->dev; config.dev->of_node = bd->dev->of_node; @@ -155,6 +252,33 @@ static int bd9571mwv_regulator_probe(struct platform_device *pdev) } } + val = 0; + of_property_read_u32(bd->dev->of_node, "rohm,ddr-backup-power", &val); + if (val & ~BD9571MWV_BKUP_MODE_CNT_KEEPON_MASK) { + dev_err(bd->dev, "invalid %s mode %u\n", + "rohm,ddr-backup-power", val); + return -EINVAL; + } + bdreg->bkup_mode_cnt_keepon = val; + + bdreg->rstbmode_level = of_property_read_bool(bd->dev->of_node, + "rohm,rstbmode-level"); + bdreg->rstbmode_pulse = of_property_read_bool(bd->dev->of_node, + "rohm,rstbmode-pulse"); + if (bdreg->rstbmode_level && bdreg->rstbmode_pulse) { + dev_err(bd->dev, "only one rohm,rstbmode-* may be specified"); + return -EINVAL; + } + + if (bdreg->bkup_mode_cnt_keepon) { + device_set_wakeup_capable(&pdev->dev, true); + /* + * Wakeup is enabled by default in pulse mode, but needs + * explicit user setup in level mode. + */ + device_set_wakeup_enable(&pdev->dev, bdreg->rstbmode_pulse); + } + return 0; } @@ -167,6 +291,7 @@ MODULE_DEVICE_TABLE(platform, bd9571mwv_regulator_id_table); static struct platform_driver bd9571mwv_regulator_driver = { .driver = { .name = "bd9571mwv-regulator", + .pm = DEV_PM_OPS, }, .probe = bd9571mwv_regulator_probe, .id_table = bd9571mwv_regulator_id_table, diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index d480346..6ed568b 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -147,6 +147,56 @@ static inline struct regulator_dev *rdev_get_supply(struct regulator_dev *rdev) } /** + * regulator_lock_nested - lock a single regulator + * @rdev: regulator source + * @subclass: mutex subclass used for lockdep + * + * This function can be called many times by one task on + * a single regulator and its mutex will be locked only + * once. If a task, which is calling this function is other + * than the one, which initially locked the mutex, it will + * wait on mutex. + */ +static void regulator_lock_nested(struct regulator_dev *rdev, + unsigned int subclass) +{ + if (!mutex_trylock(&rdev->mutex)) { + if (rdev->mutex_owner == current) { + rdev->ref_cnt++; + return; + } + mutex_lock_nested(&rdev->mutex, subclass); + } + + rdev->ref_cnt = 1; + rdev->mutex_owner = current; +} + +static inline void regulator_lock(struct regulator_dev *rdev) +{ + regulator_lock_nested(rdev, 0); +} + +/** + * regulator_unlock - unlock a single regulator + * @rdev: regulator_source + * + * This function unlocks the mutex when the + * reference counter reaches 0. + */ +static void regulator_unlock(struct regulator_dev *rdev) +{ + if (rdev->ref_cnt != 0) { + rdev->ref_cnt--; + + if (!rdev->ref_cnt) { + rdev->mutex_owner = NULL; + mutex_unlock(&rdev->mutex); + } + } +} + +/** * regulator_lock_supply - lock a regulator and its supplies * @rdev: regulator source */ @@ -155,7 +205,7 @@ static void regulator_lock_supply(struct regulator_dev *rdev) int i; for (i = 0; rdev; rdev = rdev_get_supply(rdev), i++) - mutex_lock_nested(&rdev->mutex, i); + regulator_lock_nested(rdev, i); } /** @@ -167,7 +217,7 @@ static void regulator_unlock_supply(struct regulator_dev *rdev) struct regulator *supply; while (1) { - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); supply = rdev->supply; if (!rdev->supply) @@ -350,9 +400,9 @@ static ssize_t regulator_uV_show(struct device *dev, struct regulator_dev *rdev = dev_get_drvdata(dev); ssize_t ret; - mutex_lock(&rdev->mutex); + regulator_lock(rdev); ret = sprintf(buf, "%d\n", _regulator_get_voltage(rdev)); - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); return ret; } @@ -416,9 +466,9 @@ static ssize_t regulator_state_show(struct device *dev, struct regulator_dev *rdev = dev_get_drvdata(dev); ssize_t ret; - mutex_lock(&rdev->mutex); + regulator_lock(rdev); ret = regulator_print_state(buf, _regulator_is_enabled(rdev)); - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); return ret; } @@ -526,10 +576,10 @@ static ssize_t regulator_total_uA_show(struct device *dev, struct regulator *regulator; int uA = 0; - mutex_lock(&rdev->mutex); + regulator_lock(rdev); list_for_each_entry(regulator, &rdev->consumer_list, list) uA += regulator->uA_load; - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); return sprintf(buf, "%d\n", uA); } static DEVICE_ATTR(requested_microamps, 0444, regulator_total_uA_show, NULL); @@ -886,6 +936,18 @@ static int machine_constraints_voltage(struct regulator_dev *rdev, rdev->constraints->min_uV && rdev->constraints->max_uV) { int target_min, target_max; int current_uV = _regulator_get_voltage(rdev); + + if (current_uV == -ENOTRECOVERABLE) { + /* This regulator can't be read and must be initted */ + rdev_info(rdev, "Setting %d-%duV\n", + rdev->constraints->min_uV, + rdev->constraints->max_uV); + _regulator_do_set_voltage(rdev, + rdev->constraints->min_uV, + rdev->constraints->max_uV); + current_uV = _regulator_get_voltage(rdev); + } + if (current_uV < 0) { rdev_err(rdev, "failed to get the current voltage(%d)\n", @@ -1321,7 +1383,7 @@ static struct regulator *create_regulator(struct regulator_dev *rdev, if (regulator == NULL) return NULL; - mutex_lock(&rdev->mutex); + regulator_lock(rdev); regulator->rdev = rdev; list_add(®ulator->list, &rdev->consumer_list); @@ -1376,12 +1438,12 @@ static struct regulator *create_regulator(struct regulator_dev *rdev, _regulator_is_enabled(rdev)) regulator->always_on = true; - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); return regulator; overflow_err: list_del(®ulator->list); kfree(regulator); - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); return NULL; } @@ -1770,13 +1832,13 @@ static void _regulator_put(struct regulator *regulator) /* remove any sysfs entries */ if (regulator->dev) sysfs_remove_link(&rdev->dev.kobj, regulator->supply_name); - mutex_lock(&rdev->mutex); + regulator_lock(rdev); list_del(®ulator->list); rdev->open_count--; rdev->exclusive = 0; put_device(&rdev->dev); - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); kfree_const(regulator->supply_name); kfree(regulator); @@ -2384,7 +2446,7 @@ static void regulator_disable_work(struct work_struct *work) disable_work.work); int count, i, ret; - mutex_lock(&rdev->mutex); + regulator_lock(rdev); BUG_ON(!rdev->deferred_disables); @@ -2405,7 +2467,7 @@ static void regulator_disable_work(struct work_struct *work) rdev_err(rdev, "Deferred disable failed: %d\n", ret); } - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); if (rdev->supply) { for (i = 0; i < count; i++) { @@ -2440,11 +2502,11 @@ int regulator_disable_deferred(struct regulator *regulator, int ms) if (!ms) return regulator_disable(regulator); - mutex_lock(&rdev->mutex); + regulator_lock(rdev); rdev->deferred_disables++; mod_delayed_work(system_power_efficient_wq, &rdev->disable_work, msecs_to_jiffies(ms)); - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); return 0; } @@ -2476,10 +2538,10 @@ static int _regulator_list_voltage(struct regulator_dev *rdev, if (selector >= rdev->desc->n_voltages) return -EINVAL; if (lock) - mutex_lock(&rdev->mutex); + regulator_lock(rdev); ret = ops->list_voltage(rdev, selector); if (lock) - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); } else if (rdev->is_switch && rdev->supply) { ret = _regulator_list_voltage(rdev->supply->rdev, selector, lock); @@ -3252,7 +3314,7 @@ int regulator_sync_voltage(struct regulator *regulator) struct regulator_voltage *voltage = ®ulator->voltage[PM_SUSPEND_ON]; int ret, min_uV, max_uV; - mutex_lock(&rdev->mutex); + regulator_lock(rdev); if (!rdev->desc->ops->set_voltage && !rdev->desc->ops->set_voltage_sel) { @@ -3281,7 +3343,7 @@ int regulator_sync_voltage(struct regulator *regulator) ret = _regulator_do_set_voltage(rdev, min_uV, max_uV); out: - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); return ret; } EXPORT_SYMBOL_GPL(regulator_sync_voltage); @@ -3374,7 +3436,7 @@ int regulator_set_current_limit(struct regulator *regulator, struct regulator_dev *rdev = regulator->rdev; int ret; - mutex_lock(&rdev->mutex); + regulator_lock(rdev); /* sanity check */ if (!rdev->desc->ops->set_current_limit) { @@ -3389,7 +3451,7 @@ int regulator_set_current_limit(struct regulator *regulator, ret = rdev->desc->ops->set_current_limit(rdev, min_uA, max_uA); out: - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); return ret; } EXPORT_SYMBOL_GPL(regulator_set_current_limit); @@ -3398,7 +3460,7 @@ static int _regulator_get_current_limit(struct regulator_dev *rdev) { int ret; - mutex_lock(&rdev->mutex); + regulator_lock(rdev); /* sanity check */ if (!rdev->desc->ops->get_current_limit) { @@ -3408,7 +3470,7 @@ static int _regulator_get_current_limit(struct regulator_dev *rdev) ret = rdev->desc->ops->get_current_limit(rdev); out: - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); return ret; } @@ -3444,7 +3506,7 @@ int regulator_set_mode(struct regulator *regulator, unsigned int mode) int ret; int regulator_curr_mode; - mutex_lock(&rdev->mutex); + regulator_lock(rdev); /* sanity check */ if (!rdev->desc->ops->set_mode) { @@ -3468,7 +3530,7 @@ int regulator_set_mode(struct regulator *regulator, unsigned int mode) ret = rdev->desc->ops->set_mode(rdev, mode); out: - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); return ret; } EXPORT_SYMBOL_GPL(regulator_set_mode); @@ -3477,7 +3539,7 @@ static unsigned int _regulator_get_mode(struct regulator_dev *rdev) { int ret; - mutex_lock(&rdev->mutex); + regulator_lock(rdev); /* sanity check */ if (!rdev->desc->ops->get_mode) { @@ -3487,7 +3549,7 @@ static unsigned int _regulator_get_mode(struct regulator_dev *rdev) ret = rdev->desc->ops->get_mode(rdev); out: - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); return ret; } @@ -3508,7 +3570,7 @@ static int _regulator_get_error_flags(struct regulator_dev *rdev, { int ret; - mutex_lock(&rdev->mutex); + regulator_lock(rdev); /* sanity check */ if (!rdev->desc->ops->get_error_flags) { @@ -3518,7 +3580,7 @@ static int _regulator_get_error_flags(struct regulator_dev *rdev, ret = rdev->desc->ops->get_error_flags(rdev, flags); out: - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); return ret; } @@ -3567,10 +3629,10 @@ int regulator_set_load(struct regulator *regulator, int uA_load) struct regulator_dev *rdev = regulator->rdev; int ret; - mutex_lock(&rdev->mutex); + regulator_lock(rdev); regulator->uA_load = uA_load; ret = drms_uA_update(rdev); - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); return ret; } @@ -3598,7 +3660,7 @@ int regulator_allow_bypass(struct regulator *regulator, bool enable) if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_BYPASS)) return 0; - mutex_lock(&rdev->mutex); + regulator_lock(rdev); if (enable && !regulator->bypass) { rdev->bypass_count++; @@ -3622,7 +3684,7 @@ int regulator_allow_bypass(struct regulator *regulator, bool enable) if (ret == 0) regulator->bypass = enable; - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); return ret; } @@ -4067,6 +4129,96 @@ static int regulator_register_resolve_supply(struct device *dev, void *data) return 0; } +static int regulator_fill_coupling_array(struct regulator_dev *rdev) +{ + struct coupling_desc *c_desc = &rdev->coupling_desc; + int n_coupled = c_desc->n_coupled; + struct regulator_dev *c_rdev; + int i; + + for (i = 1; i < n_coupled; i++) { + /* already resolved */ + if (c_desc->coupled_rdevs[i]) + continue; + + c_rdev = of_parse_coupled_regulator(rdev, i - 1); + + if (c_rdev) { + c_desc->coupled_rdevs[i] = c_rdev; + c_desc->n_resolved++; + } + } + + if (rdev->coupling_desc.n_resolved < n_coupled) + return -1; + else + return 0; +} + +static int regulator_register_fill_coupling_array(struct device *dev, + void *data) +{ + struct regulator_dev *rdev = dev_to_rdev(dev); + + if (!IS_ENABLED(CONFIG_OF)) + return 0; + + if (regulator_fill_coupling_array(rdev)) + rdev_dbg(rdev, "unable to resolve coupling\n"); + + return 0; +} + +static int regulator_resolve_coupling(struct regulator_dev *rdev) +{ + int n_phandles; + + if (!IS_ENABLED(CONFIG_OF)) + n_phandles = 0; + else + n_phandles = of_get_n_coupled(rdev); + + if (n_phandles + 1 > MAX_COUPLED) { + rdev_err(rdev, "too many regulators coupled\n"); + return -EPERM; + } + + /* + * Every regulator should always have coupling descriptor filled with + * at least pointer to itself. + */ + rdev->coupling_desc.coupled_rdevs[0] = rdev; + rdev->coupling_desc.n_coupled = n_phandles + 1; + rdev->coupling_desc.n_resolved++; + + /* regulator isn't coupled */ + if (n_phandles == 0) + return 0; + + /* regulator, which can't change its voltage, can't be coupled */ + if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_VOLTAGE)) { + rdev_err(rdev, "voltage operation not allowed\n"); + return -EPERM; + } + + if (rdev->constraints->max_spread <= 0) { + rdev_err(rdev, "wrong max_spread value\n"); + return -EPERM; + } + + if (!of_check_coupling_data(rdev)) + return -EPERM; + + /* + * After everything has been checked, try to fill rdevs array + * with pointers to regulators parsed from device tree. If some + * regulators are not registered yet, retry in late init call + */ + regulator_fill_coupling_array(rdev); + + return 0; +} + /** * regulator_register - register regulator * @regulator_desc: regulator to register @@ -4200,6 +4352,13 @@ regulator_register(const struct regulator_desc *regulator_desc, if (ret < 0) goto wash; + mutex_lock(®ulator_list_mutex); + ret = regulator_resolve_coupling(rdev); + mutex_unlock(®ulator_list_mutex); + + if (ret != 0) + goto wash; + /* add consumers devices */ if (init_data) { mutex_lock(®ulator_list_mutex); @@ -4288,9 +4447,9 @@ static int _regulator_suspend_late(struct device *dev, void *data) suspend_state_t *state = data; int ret; - mutex_lock(&rdev->mutex); + regulator_lock(rdev); ret = suspend_set_state(rdev, *state); - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); return ret; } @@ -4320,14 +4479,14 @@ static int _regulator_resume_early(struct device *dev, void *data) if (rstate == NULL) return 0; - mutex_lock(&rdev->mutex); + regulator_lock(rdev); if (rdev->desc->ops->resume_early && (rstate->enabled == ENABLE_IN_SUSPEND || rstate->enabled == DISABLE_IN_SUSPEND)) ret = rdev->desc->ops->resume_early(rdev); - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); return ret; } @@ -4629,7 +4788,7 @@ static int __init regulator_late_cleanup(struct device *dev, void *data) if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_STATUS)) return 0; - mutex_lock(&rdev->mutex); + regulator_lock(rdev); if (rdev->use_count) goto unlock; @@ -4660,7 +4819,7 @@ static int __init regulator_late_cleanup(struct device *dev, void *data) } unlock: - mutex_unlock(&rdev->mutex); + regulator_unlock(rdev); return 0; } @@ -4694,6 +4853,9 @@ static int __init regulator_init_complete(void) class_for_each_device(®ulator_class, NULL, NULL, regulator_late_cleanup); + class_for_each_device(®ulator_class, NULL, NULL, + regulator_register_fill_coupling_array); + return 0; } late_initcall_sync(regulator_init_complete); diff --git a/drivers/regulator/cpcap-regulator.c b/drivers/regulator/cpcap-regulator.c index f541b80..bd910fe 100644 --- a/drivers/regulator/cpcap-regulator.c +++ b/drivers/regulator/cpcap-regulator.c @@ -222,7 +222,7 @@ static unsigned int cpcap_map_mode(unsigned int mode) case CPCAP_BIT_AUDIO_LOW_PWR: return REGULATOR_MODE_STANDBY; default: - return -EINVAL; + return REGULATOR_MODE_INVALID; } } diff --git a/drivers/regulator/internal.h b/drivers/regulator/internal.h index abfd56e..943926a 100644 --- a/drivers/regulator/internal.h +++ b/drivers/regulator/internal.h @@ -56,14 +56,27 @@ static inline struct regulator_dev *dev_to_rdev(struct device *dev) return container_of(dev, struct regulator_dev, dev); } -struct regulator_dev *of_find_regulator_by_node(struct device_node *np); - #ifdef CONFIG_OF +struct regulator_dev *of_find_regulator_by_node(struct device_node *np); struct regulator_init_data *regulator_of_get_init_data(struct device *dev, const struct regulator_desc *desc, struct regulator_config *config, struct device_node **node); + +struct regulator_dev *of_parse_coupled_regulator(struct regulator_dev *rdev, + int index); + +int of_get_n_coupled(struct regulator_dev *rdev); + +bool of_check_coupling_data(struct regulator_dev *rdev); + #else +static inline struct regulator_dev * +of_find_regulator_by_node(struct device_node *np) +{ + return NULL; +} + static inline struct regulator_init_data * regulator_of_get_init_data(struct device *dev, const struct regulator_desc *desc, @@ -72,8 +85,25 @@ regulator_of_get_init_data(struct device *dev, { return NULL; } -#endif +static inline struct regulator_dev * +of_parse_coupled_regulator(struct regulator_dev *rdev, + int index) +{ + return NULL; +} + +static inline int of_get_n_coupled(struct regulator_dev *rdev) +{ + return 0; +} + +static inline bool of_check_coupling_data(struct regulator_dev *rdev) +{ + return false; +} + +#endif enum regulator_get_type { NORMAL_GET, EXCLUSIVE_GET, @@ -83,5 +113,4 @@ enum regulator_get_type { struct regulator *_regulator_get(struct device *dev, const char *id, enum regulator_get_type get_type); - #endif diff --git a/drivers/regulator/lm363x-regulator.c b/drivers/regulator/lm363x-regulator.c index ce5f7d9..b615a41 100644 --- a/drivers/regulator/lm363x-regulator.c +++ b/drivers/regulator/lm363x-regulator.c @@ -16,7 +16,7 @@ #include <linux/mfd/ti-lmu-register.h> #include <linux/module.h> #include <linux/of.h> -#include <linux/of_gpio.h> +#include <linux/gpio/consumer.h> #include <linux/platform_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/of_regulator.h> @@ -219,7 +219,7 @@ static const struct regulator_desc lm363x_regulator_desc[] = { }, }; -static int lm363x_regulator_of_get_enable_gpio(struct device_node *np, int id) +static struct gpio_desc *lm363x_regulator_of_get_enable_gpio(struct device *dev, int id) { /* * Check LCM_EN1/2_GPIO is configured. @@ -227,11 +227,11 @@ static int lm363x_regulator_of_get_enable_gpio(struct device_node *np, int id) */ switch (id) { case LM3632_LDO_POS: - return of_get_named_gpio(np, "enable-gpios", 0); + return devm_gpiod_get_index_optional(dev, "enable", 0, GPIOD_OUT_LOW); case LM3632_LDO_NEG: - return of_get_named_gpio(np, "enable-gpios", 1); + return devm_gpiod_get_index_optional(dev, "enable", 1, GPIOD_OUT_LOW); default: - return -EINVAL; + return NULL; } } @@ -243,7 +243,8 @@ static int lm363x_regulator_probe(struct platform_device *pdev) struct regulator_dev *rdev; struct device *dev = &pdev->dev; int id = pdev->id; - int ret, ena_gpio; + struct gpio_desc *gpiod; + int ret; cfg.dev = dev; cfg.regmap = regmap; @@ -252,10 +253,9 @@ static int lm363x_regulator_probe(struct platform_device *pdev) * LM3632 LDOs can be controlled by external pin. * Register update is required if the pin is used. */ - ena_gpio = lm363x_regulator_of_get_enable_gpio(dev->of_node, id); - if (gpio_is_valid(ena_gpio)) { - cfg.ena_gpio = ena_gpio; - cfg.ena_gpio_flags = GPIOF_OUT_INIT_LOW; + gpiod = lm363x_regulator_of_get_enable_gpio(dev, id); + if (gpiod) { + cfg.ena_gpiod = gpiod; ret = regmap_update_bits(regmap, LM3632_REG_BIAS_CONFIG, LM3632_EXT_EN_MASK, diff --git a/drivers/regulator/lp87565-regulator.c b/drivers/regulator/lp87565-regulator.c index cfdbe29..c192357 100644 --- a/drivers/regulator/lp87565-regulator.c +++ b/drivers/regulator/lp87565-regulator.c @@ -95,6 +95,10 @@ static int lp87565_buck_set_ramp_delay(struct regulator_dev *rdev, rdev->constraints->ramp_delay = lp87565_buck_ramp_delay[reg]; + /* Conservatively give a 15% margin */ + rdev->constraints->ramp_delay = + rdev->constraints->ramp_delay * 85 / 100; + return 0; } @@ -154,32 +158,33 @@ static const struct lp87565_regulator regulators[] = { LP87565_REGULATOR("BUCK0", LP87565_BUCK_0, "buck0", lp87565_buck_ops, 256, LP87565_REG_BUCK0_VOUT, LP87565_BUCK_VSET, LP87565_REG_BUCK0_CTRL_1, - LP87565_BUCK_CTRL_1_EN, 3800, + LP87565_BUCK_CTRL_1_EN, 3230, buck0_1_2_3_ranges, LP87565_REG_BUCK0_CTRL_2), LP87565_REGULATOR("BUCK1", LP87565_BUCK_1, "buck1", lp87565_buck_ops, 256, LP87565_REG_BUCK1_VOUT, LP87565_BUCK_VSET, LP87565_REG_BUCK1_CTRL_1, - LP87565_BUCK_CTRL_1_EN, 3800, + LP87565_BUCK_CTRL_1_EN, 3230, buck0_1_2_3_ranges, LP87565_REG_BUCK1_CTRL_2), LP87565_REGULATOR("BUCK2", LP87565_BUCK_2, "buck2", lp87565_buck_ops, 256, LP87565_REG_BUCK2_VOUT, LP87565_BUCK_VSET, LP87565_REG_BUCK2_CTRL_1, - LP87565_BUCK_CTRL_1_EN, 3800, + LP87565_BUCK_CTRL_1_EN, 3230, buck0_1_2_3_ranges, LP87565_REG_BUCK2_CTRL_2), LP87565_REGULATOR("BUCK3", LP87565_BUCK_3, "buck3", lp87565_buck_ops, 256, LP87565_REG_BUCK3_VOUT, LP87565_BUCK_VSET, LP87565_REG_BUCK3_CTRL_1, - LP87565_BUCK_CTRL_1_EN, 3800, + LP87565_BUCK_CTRL_1_EN, 3230, buck0_1_2_3_ranges, LP87565_REG_BUCK3_CTRL_2), LP87565_REGULATOR("BUCK10", LP87565_BUCK_10, "buck10", lp87565_buck_ops, 256, LP87565_REG_BUCK0_VOUT, LP87565_BUCK_VSET, LP87565_REG_BUCK0_CTRL_1, - LP87565_BUCK_CTRL_1_EN, 3800, + LP87565_BUCK_CTRL_1_EN | + LP87565_BUCK_CTRL_1_FPWM_MP_0_2, 3230, buck0_1_2_3_ranges, LP87565_REG_BUCK0_CTRL_2), LP87565_REGULATOR("BUCK23", LP87565_BUCK_23, "buck23", lp87565_buck_ops, 256, LP87565_REG_BUCK2_VOUT, LP87565_BUCK_VSET, LP87565_REG_BUCK2_CTRL_1, - LP87565_BUCK_CTRL_1_EN, 3800, + LP87565_BUCK_CTRL_1_EN, 3230, buck0_1_2_3_ranges, LP87565_REG_BUCK2_CTRL_2), }; diff --git a/drivers/regulator/lp8788-ldo.c b/drivers/regulator/lp8788-ldo.c index cbfd358..f234747 100644 --- a/drivers/regulator/lp8788-ldo.c +++ b/drivers/regulator/lp8788-ldo.c @@ -16,7 +16,7 @@ #include <linux/err.h> #include <linux/platform_device.h> #include <linux/regulator/driver.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/mfd/lp8788.h> /* register address */ @@ -85,8 +85,6 @@ #define LP8788_STARTUP_TIME_S 3 #define ENABLE_TIME_USEC 32 -#define ENABLE GPIOF_OUT_INIT_HIGH -#define DISABLE GPIOF_OUT_INIT_LOW enum lp8788_ldo_id { DLDO1, @@ -117,7 +115,7 @@ struct lp8788_ldo { struct lp8788 *lp; struct regulator_desc *desc; struct regulator_dev *regulator; - struct lp8788_ldo_enable_pin *en_pin; + struct gpio_desc *ena_gpiod; }; /* DLDO 1, 2, 3, 9 voltage table */ @@ -469,7 +467,6 @@ static int lp8788_config_ldo_enable_mode(struct platform_device *pdev, enum lp8788_ldo_id id) { struct lp8788 *lp = ldo->lp; - struct lp8788_platform_data *pdata = lp->pdata; enum lp8788_ext_ldo_en_id enable_id; u8 en_mask[] = { [EN_ALDO1] = LP8788_EN_SEL_ALDO1_M, @@ -504,11 +501,18 @@ static int lp8788_config_ldo_enable_mode(struct platform_device *pdev, return 0; } - /* if no platform data for ldo pin, then set default enable mode */ - if (!pdata || !pdata->ldo_pin || !pdata->ldo_pin[enable_id]) + /* FIXME: check default mode for GPIO here: high or low? */ + ldo->ena_gpiod = devm_gpiod_get_index_optional(&pdev->dev, + "enable", + enable_id, + GPIOD_OUT_HIGH); + if (IS_ERR(ldo->ena_gpiod)) + return PTR_ERR(ldo->ena_gpiod); + + /* if no GPIO for ldo pin, then set default enable mode */ + if (!ldo->ena_gpiod) goto set_default_ldo_enable_mode; - ldo->en_pin = pdata->ldo_pin[enable_id]; return 0; set_default_ldo_enable_mode: @@ -533,10 +537,8 @@ static int lp8788_dldo_probe(struct platform_device *pdev) if (ret) return ret; - if (ldo->en_pin) { - cfg.ena_gpio = ldo->en_pin->gpio; - cfg.ena_gpio_flags = ldo->en_pin->init_state; - } + if (ldo->ena_gpiod) + cfg.ena_gpiod = ldo->ena_gpiod; cfg.dev = pdev->dev.parent; cfg.init_data = lp->pdata ? lp->pdata->dldo_data[id] : NULL; @@ -582,10 +584,8 @@ static int lp8788_aldo_probe(struct platform_device *pdev) if (ret) return ret; - if (ldo->en_pin) { - cfg.ena_gpio = ldo->en_pin->gpio; - cfg.ena_gpio_flags = ldo->en_pin->init_state; - } + if (ldo->ena_gpiod) + cfg.ena_gpiod = ldo->ena_gpiod; cfg.dev = pdev->dev.parent; cfg.init_data = lp->pdata ? lp->pdata->aldo_data[id] : NULL; diff --git a/drivers/regulator/ltc3676.c b/drivers/regulator/ltc3676.c index 662ee05..9dec160 100644 --- a/drivers/regulator/ltc3676.c +++ b/drivers/regulator/ltc3676.c @@ -52,6 +52,7 @@ #define LTC3676_CLIRQ 0x1F #define LTC3676_DVBxA_REF_SELECT BIT(5) +#define LTC3676_DVBxB_PGOOD_MASK BIT(5) #define LTC3676_IRQSTAT_PGOOD_TIMEOUT BIT(3) #define LTC3676_IRQSTAT_UNDERVOLT_WARN BIT(4) @@ -123,6 +124,23 @@ static int ltc3676_set_suspend_mode(struct regulator_dev *rdev, mask, val); } +static int ltc3676_set_voltage_sel(struct regulator_dev *rdev, unsigned selector) +{ + struct ltc3676 *ltc3676 = rdev_get_drvdata(rdev); + struct device *dev = ltc3676->dev; + int ret, dcdc = rdev_get_id(rdev); + + dev_dbg(dev, "%s id=%d selector=%d\n", __func__, dcdc, selector); + + ret = regmap_update_bits(ltc3676->regmap, rdev->desc->vsel_reg + 1, + LTC3676_DVBxB_PGOOD_MASK, + LTC3676_DVBxB_PGOOD_MASK); + if (ret) + return ret; + + return regulator_set_voltage_sel_regmap(rdev, selector); +} + static inline unsigned int ltc3676_scale(unsigned int uV, u32 r1, u32 r2) { uint64_t tmp; @@ -166,7 +184,7 @@ static const struct regulator_ops ltc3676_linear_regulator_ops = { .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, .list_voltage = regulator_list_voltage_linear, - .set_voltage_sel = regulator_set_voltage_sel_regmap, + .set_voltage_sel = ltc3676_set_voltage_sel, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_suspend_voltage = ltc3676_set_suspend_voltage, .set_suspend_mode = ltc3676_set_suspend_mode, diff --git a/drivers/regulator/max8952.c b/drivers/regulator/max8952.c index 1096546..f1e77ed 100644 --- a/drivers/regulator/max8952.c +++ b/drivers/regulator/max8952.c @@ -27,6 +27,7 @@ #include <linux/regulator/driver.h> #include <linux/regulator/max8952.h> #include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/io.h> #include <linux/of.h> #include <linux/of_gpio.h> @@ -148,7 +149,6 @@ static struct max8952_platform_data *max8952_parse_dt(struct device *dev) pd->gpio_vid0 = of_get_named_gpio(np, "max8952,vid-gpios", 0); pd->gpio_vid1 = of_get_named_gpio(np, "max8952,vid-gpios", 1); - pd->gpio_en = of_get_named_gpio(np, "max8952,en-gpio", 0); if (of_property_read_u32(np, "max8952,default-mode", &pd->default_mode)) dev_warn(dev, "Default mode not specified, assuming 0\n"); @@ -197,6 +197,8 @@ static int max8952_pmic_probe(struct i2c_client *client, struct regulator_config config = { }; struct max8952_data *max8952; struct regulator_dev *rdev; + struct gpio_desc *gpiod; + enum gpiod_flags gflags; int ret = 0, err = 0; @@ -224,11 +226,17 @@ static int max8952_pmic_probe(struct i2c_client *client, config.driver_data = max8952; config.of_node = client->dev.of_node; - config.ena_gpio = pdata->gpio_en; - if (client->dev.of_node) - config.ena_gpio_initialized = true; if (pdata->reg_data->constraints.boot_on) - config.ena_gpio_flags |= GPIOF_OUT_INIT_HIGH; + gflags = GPIOD_OUT_HIGH; + else + gflags = GPIOD_OUT_LOW; + gpiod = devm_gpiod_get_optional(&client->dev, + "max8952,en", + gflags); + if (IS_ERR(gpiod)) + return PTR_ERR(gpiod); + if (gpiod) + config.ena_gpiod = gpiod; rdev = devm_regulator_register(&client->dev, ®ulator, &config); if (IS_ERR(rdev)) { diff --git a/drivers/regulator/max8973-regulator.c b/drivers/regulator/max8973-regulator.c index e0c747a..7cd493e 100644 --- a/drivers/regulator/max8973-regulator.c +++ b/drivers/regulator/max8973-regulator.c @@ -34,6 +34,7 @@ #include <linux/regulator/max8973-regulator.h> #include <linux/regulator/of_regulator.h> #include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/of_gpio.h> #include <linux/i2c.h> #include <linux/slab.h> @@ -114,7 +115,6 @@ struct max8973_chip { struct regulator_desc desc; struct regmap *regmap; bool enable_external_control; - int enable_gpio; int dvs_gpio; int lru_index[MAX8973_MAX_VOUT_REG]; int curr_vout_val[MAX8973_MAX_VOUT_REG]; @@ -567,7 +567,6 @@ static struct max8973_regulator_platform_data *max8973_parse_dt( pdata->enable_ext_control = of_property_read_bool(np, "maxim,externally-enable"); - pdata->enable_gpio = of_get_named_gpio(np, "maxim,enable-gpio", 0); pdata->dvs_gpio = of_get_named_gpio(np, "maxim,dvs-gpio", 0); ret = of_property_read_u32(np, "maxim,dvs-default-state", &pval); @@ -633,6 +632,8 @@ static int max8973_probe(struct i2c_client *client, struct max8973_chip *max; bool pdata_from_dt = false; unsigned int chip_id; + struct gpio_desc *gpiod; + enum gpiod_flags gflags; int ret; pdata = dev_get_platdata(&client->dev); @@ -647,8 +648,7 @@ static int max8973_probe(struct i2c_client *client, return -EIO; } - if ((pdata->dvs_gpio == -EPROBE_DEFER) || - (pdata->enable_gpio == -EPROBE_DEFER)) + if (pdata->dvs_gpio == -EPROBE_DEFER) return -EPROBE_DEFER; max = devm_kzalloc(&client->dev, sizeof(*max), GFP_KERNEL); @@ -696,15 +696,11 @@ static int max8973_probe(struct i2c_client *client, max->desc.n_voltages = MAX8973_BUCK_N_VOLTAGE; max->dvs_gpio = (pdata->dvs_gpio) ? pdata->dvs_gpio : -EINVAL; - max->enable_gpio = (pdata->enable_gpio) ? pdata->enable_gpio : -EINVAL; max->enable_external_control = pdata->enable_ext_control; max->curr_gpio_val = pdata->dvs_def_state; max->curr_vout_reg = MAX8973_VOUT + pdata->dvs_def_state; max->junction_temp_warning = pdata->junction_temp_warning; - if (gpio_is_valid(max->enable_gpio)) - max->enable_external_control = true; - max->lru_index[0] = max->curr_vout_reg; if (gpio_is_valid(max->dvs_gpio)) { @@ -757,27 +753,35 @@ static int max8973_probe(struct i2c_client *client, break; } - if (gpio_is_valid(max->enable_gpio)) { - config.ena_gpio_flags = GPIOF_OUT_INIT_LOW; - if (ridata && (ridata->constraints.always_on || - ridata->constraints.boot_on)) - config.ena_gpio_flags = GPIOF_OUT_INIT_HIGH; - config.ena_gpio = max->enable_gpio; + if (ridata && (ridata->constraints.always_on || + ridata->constraints.boot_on)) + gflags = GPIOD_OUT_HIGH; + else + gflags = GPIOD_OUT_LOW; + gpiod = devm_gpiod_get_optional(&client->dev, + "maxim,enable", + gflags); + if (IS_ERR(gpiod)) + return PTR_ERR(gpiod); + if (gpiod) { + config.ena_gpiod = gpiod; + max->enable_external_control = true; } + break; case MAX77621: - if (gpio_is_valid(max->enable_gpio)) { - ret = devm_gpio_request_one(&client->dev, - max->enable_gpio, GPIOF_OUT_INIT_HIGH, - "max8973-en-gpio"); - if (ret) { - dev_err(&client->dev, - "gpio_request for gpio %d failed: %d\n", - max->enable_gpio, ret); - return ret; - } - } + /* + * We do not let the core switch this regulator on/off, + * we just leave it on. + */ + gpiod = devm_gpiod_get_optional(&client->dev, + "maxim,enable", + GPIOD_OUT_HIGH); + if (IS_ERR(gpiod)) + return PTR_ERR(gpiod); + if (gpiod) + max->enable_external_control = true; max->desc.enable_reg = MAX8973_VOUT; max->desc.enable_mask = MAX8973_VOUT_ENABLE; diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c index 3027e7c..6a2b61c 100644 --- a/drivers/regulator/max8998.c +++ b/drivers/regulator/max8998.c @@ -309,8 +309,7 @@ static int max8998_set_voltage_buck_sel(struct regulator_dev *rdev, unsigned selector) { struct max8998_data *max8998 = rdev_get_drvdata(rdev); - struct max8998_platform_data *pdata = - dev_get_platdata(max8998->iodev->dev); + struct max8998_platform_data *pdata = max8998->iodev->pdata; struct i2c_client *i2c = max8998->iodev->i2c; int buck = rdev_get_id(rdev); int reg, shift = 0, mask, ret, j; diff --git a/drivers/regulator/mc13783-regulator.c b/drivers/regulator/mc13783-regulator.c index 0e0277b..8fd1adc 100644 --- a/drivers/regulator/mc13783-regulator.c +++ b/drivers/regulator/mc13783-regulator.c @@ -1,14 +1,10 @@ -/* - * Regulator Driver for Freescale MC13783 PMIC - * - * Copyright 2010 Yong Shen <yong.shen@linaro.org> - * Copyright (C) 2008 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> - * Copyright 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ +// SPDX-License-Identifier: GPL-2.0 +// +// Regulator Driver for Freescale MC13783 PMIC +// +// Copyright 2010 Yong Shen <yong.shen@linaro.org> +// Copyright (C) 2008 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> +// Copyright 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com> #include <linux/mfd/mc13783.h> #include <linux/regulator/machine.h> diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c index 15dd7bc..f3fba1c 100644 --- a/drivers/regulator/mc13892-regulator.c +++ b/drivers/regulator/mc13892-regulator.c @@ -1,14 +1,10 @@ -/* - * Regulator Driver for Freescale MC13892 PMIC - * - * Copyright 2010 Yong Shen <yong.shen@linaro.org> - * - * Based on draft driver from Arnaud Patard <arnaud.patard@rtp-net.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ +// SPDX-License-Identifier: GPL-2.0 +// +// Regulator Driver for Freescale MC13892 PMIC +// +// Copyright 2010 Yong Shen <yong.shen@linaro.org> +// +// Based on draft driver from Arnaud Patard <arnaud.patard@rtp-net.org> #include <linux/mfd/mc13892.h> #include <linux/regulator/machine.h> diff --git a/drivers/regulator/mc13xxx-regulator-core.c b/drivers/regulator/mc13xxx-regulator-core.c index 0281c31..41271ae 100644 --- a/drivers/regulator/mc13xxx-regulator-core.c +++ b/drivers/regulator/mc13xxx-regulator-core.c @@ -1,19 +1,15 @@ -/* - * Regulator Driver for Freescale MC13xxx PMIC - * - * Copyright 2010 Yong Shen <yong.shen@linaro.org> - * - * Based on mc13783 regulator driver : - * Copyright (C) 2008 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> - * Copyright 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Regs infos taken from mc13xxx drivers from freescale and mc13xxx.pdf file - * from freescale - */ +// SPDX-License-Identifier: GPL-2.0 +// +// Regulator Driver for Freescale MC13xxx PMIC +// +// Copyright 2010 Yong Shen <yong.shen@linaro.org> +// +// Based on mc13783 regulator driver : +// Copyright (C) 2008 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> +// Copyright 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com> +// +// Regs infos taken from mc13xxx drivers from freescale and mc13xxx.pdf file +// from freescale #include <linux/mfd/mc13xxx.h> #include <linux/regulator/machine.h> diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c index f47264f..638f17d 100644 --- a/drivers/regulator/of_regulator.c +++ b/drivers/regulator/of_regulator.c @@ -31,7 +31,8 @@ static void of_get_regulation_constraints(struct device_node *np, struct regulation_constraints *constraints = &(*init_data)->constraints; struct regulator_state *suspend_state; struct device_node *suspend_np; - int ret, i; + unsigned int mode; + int ret, i, len; u32 pval; constraints->name = of_get_property(np, "regulator-name", NULL); @@ -124,20 +125,51 @@ static void of_get_regulation_constraints(struct device_node *np, if (!of_property_read_u32(np, "regulator-initial-mode", &pval)) { if (desc && desc->of_map_mode) { - ret = desc->of_map_mode(pval); - if (ret == -EINVAL) + mode = desc->of_map_mode(pval); + if (mode == REGULATOR_MODE_INVALID) pr_err("%s: invalid mode %u\n", np->name, pval); else - constraints->initial_mode = ret; + constraints->initial_mode = mode; } else { pr_warn("%s: mapping for mode %d not defined\n", np->name, pval); } } + len = of_property_count_elems_of_size(np, "regulator-allowed-modes", + sizeof(u32)); + if (len > 0) { + if (desc && desc->of_map_mode) { + for (i = 0; i < len; i++) { + ret = of_property_read_u32_index(np, + "regulator-allowed-modes", i, &pval); + if (ret) { + pr_err("%s: couldn't read allowed modes index %d, ret=%d\n", + np->name, i, ret); + break; + } + mode = desc->of_map_mode(pval); + if (mode == REGULATOR_MODE_INVALID) + pr_err("%s: invalid regulator-allowed-modes element %u\n", + np->name, pval); + else + constraints->valid_modes_mask |= mode; + } + if (constraints->valid_modes_mask) + constraints->valid_ops_mask + |= REGULATOR_CHANGE_MODE; + } else { + pr_warn("%s: mode mapping not defined\n", np->name); + } + } + if (!of_property_read_u32(np, "regulator-system-load", &pval)) constraints->system_load = pval; + if (!of_property_read_u32(np, "regulator-coupled-max-spread", + &pval)) + constraints->max_spread = pval; + constraints->over_current_protection = of_property_read_bool(np, "regulator-over-current-protection"); @@ -163,12 +195,12 @@ static void of_get_regulation_constraints(struct device_node *np, if (!of_property_read_u32(suspend_np, "regulator-mode", &pval)) { if (desc && desc->of_map_mode) { - ret = desc->of_map_mode(pval); - if (ret == -EINVAL) + mode = desc->of_map_mode(pval); + if (mode == REGULATOR_MODE_INVALID) pr_err("%s: invalid mode %u\n", np->name, pval); else - suspend_state->mode = ret; + suspend_state->mode = mode; } else { pr_warn("%s: mapping for mode %d not defined\n", np->name, pval); @@ -407,3 +439,150 @@ struct regulator_dev *of_find_regulator_by_node(struct device_node *np) return dev ? dev_to_rdev(dev) : NULL; } + +/* + * Returns number of regulators coupled with rdev. + */ +int of_get_n_coupled(struct regulator_dev *rdev) +{ + struct device_node *node = rdev->dev.of_node; + int n_phandles; + + n_phandles = of_count_phandle_with_args(node, + "regulator-coupled-with", + NULL); + + return (n_phandles > 0) ? n_phandles : 0; +} + +/* Looks for "to_find" device_node in src's "regulator-coupled-with" property */ +static bool of_coupling_find_node(struct device_node *src, + struct device_node *to_find) +{ + int n_phandles, i; + bool found = false; + + n_phandles = of_count_phandle_with_args(src, + "regulator-coupled-with", + NULL); + + for (i = 0; i < n_phandles; i++) { + struct device_node *tmp = of_parse_phandle(src, + "regulator-coupled-with", i); + + if (!tmp) + break; + + /* found */ + if (tmp == to_find) + found = true; + + of_node_put(tmp); + + if (found) + break; + } + + return found; +} + +/** + * of_check_coupling_data - Parse rdev's coupling properties and check data + * consistency + * @rdev - pointer to regulator_dev whose data is checked + * + * Function checks if all the following conditions are met: + * - rdev's max_spread is greater than 0 + * - all coupled regulators have the same max_spread + * - all coupled regulators have the same number of regulator_dev phandles + * - all regulators are linked to each other + * + * Returns true if all conditions are met. + */ +bool of_check_coupling_data(struct regulator_dev *rdev) +{ + int max_spread = rdev->constraints->max_spread; + struct device_node *node = rdev->dev.of_node; + int n_phandles = of_get_n_coupled(rdev); + struct device_node *c_node; + int i; + bool ret = true; + + if (max_spread <= 0) { + dev_err(&rdev->dev, "max_spread value invalid\n"); + return false; + } + + /* iterate over rdev's phandles */ + for (i = 0; i < n_phandles; i++) { + int c_max_spread, c_n_phandles; + + c_node = of_parse_phandle(node, + "regulator-coupled-with", i); + + if (!c_node) + ret = false; + + c_n_phandles = of_count_phandle_with_args(c_node, + "regulator-coupled-with", + NULL); + + if (c_n_phandles != n_phandles) { + dev_err(&rdev->dev, "number of couped reg phandles mismatch\n"); + ret = false; + goto clean; + } + + if (of_property_read_u32(c_node, "regulator-coupled-max-spread", + &c_max_spread)) { + ret = false; + goto clean; + } + + if (c_max_spread != max_spread) { + dev_err(&rdev->dev, + "coupled regulators max_spread mismatch\n"); + ret = false; + goto clean; + } + + if (!of_coupling_find_node(c_node, node)) { + dev_err(&rdev->dev, "missing 2-way linking for coupled regulators\n"); + ret = false; + } + +clean: + of_node_put(c_node); + if (!ret) + break; + } + + return ret; +} + +/** + * of_parse_coupled regulator - Get regulator_dev pointer from rdev's property + * @rdev: Pointer to regulator_dev, whose DTS is used as a source to parse + * "regulator-coupled-with" property + * @index: Index in phandles array + * + * Returns the regulator_dev pointer parsed from DTS. If it has not been yet + * registered, returns NULL + */ +struct regulator_dev *of_parse_coupled_regulator(struct regulator_dev *rdev, + int index) +{ + struct device_node *node = rdev->dev.of_node; + struct device_node *c_node; + struct regulator_dev *c_rdev; + + c_node = of_parse_phandle(node, "regulator-coupled-with", index); + if (!c_node) + return NULL; + + c_rdev = of_find_regulator_by_node(c_node); + + of_node_put(c_node); + + return c_rdev; +} diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c index 63922a2..8d9dbcc 100644 --- a/drivers/regulator/pfuze100-regulator.c +++ b/drivers/regulator/pfuze100-regulator.c @@ -1,20 +1,7 @@ -/* - * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ +// SPDX-License-Identifier: GPL-2.0+ +// +// Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved. + #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -86,6 +73,13 @@ static const int pfuze100_coin[] = { 2500000, 2700000, 2800000, 2900000, 3000000, 3100000, 3200000, 3300000, }; +static const int pfuze3000_sw1a[] = { + 700000, 725000, 750000, 775000, 800000, 825000, 850000, 875000, + 900000, 925000, 950000, 975000, 1000000, 1025000, 1050000, 1075000, + 1100000, 1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, + 1300000, 1325000, 1350000, 1375000, 1400000, 1425000, 1800000, 3300000, +}; + static const int pfuze3000_sw2lo[] = { 1500000, 1550000, 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, }; @@ -148,6 +142,9 @@ static const struct regulator_ops pfuze100_fixed_regulator_ops = { }; static const struct regulator_ops pfuze100_sw_regulator_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, .list_voltage = regulator_list_voltage_linear, .set_voltage_sel = regulator_set_voltage_sel_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap, @@ -158,6 +155,7 @@ static const struct regulator_ops pfuze100_sw_regulator_ops = { static const struct regulator_ops pfuze100_swb_regulator_ops = { .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, .list_voltage = regulator_list_voltage_table, .map_voltage = regulator_map_voltage_ascend, .set_voltage_sel = regulator_set_voltage_sel_regmap, @@ -193,6 +191,11 @@ static const struct regulator_ops pfuze100_swb_regulator_ops = { .uV_step = (step), \ .vsel_reg = (base) + PFUZE100_VOL_OFFSET, \ .vsel_mask = 0x3f, \ + .enable_reg = (base) + PFUZE100_MODE_OFFSET, \ + .enable_val = 0xc, \ + .disable_val = 0x0, \ + .enable_mask = 0xf, \ + .enable_time = 500, \ }, \ .stby_reg = (base) + PFUZE100_STANDBY_OFFSET, \ .stby_mask = 0x3f, \ @@ -343,7 +346,7 @@ static struct pfuze_regulator pfuze200_regulators[] = { }; static struct pfuze_regulator pfuze3000_regulators[] = { - PFUZE100_SW_REG(PFUZE3000, SW1A, PFUZE100_SW1ABVOL, 700000, 1475000, 25000), + PFUZE100_SWB_REG(PFUZE3000, SW1A, PFUZE100_SW1ABVOL, 0x1f, pfuze3000_sw1a), PFUZE100_SW_REG(PFUZE3000, SW1B, PFUZE100_SW1CVOL, 700000, 1475000, 25000), PFUZE100_SWB_REG(PFUZE3000, SW2, PFUZE100_SW2VOL, 0x7, pfuze3000_sw2lo), PFUZE3000_SW3_REG(PFUZE3000, SW3, PFUZE100_SW3AVOL, 900000, 1650000, 50000), @@ -648,7 +651,6 @@ static int pfuze100_regulator_probe(struct i2c_client *client, config.init_data = init_data; config.driver_data = pfuze_chip; config.of_node = match_of_node(i); - config.ena_gpio = -EINVAL; pfuze_chip->regulators[i] = devm_regulator_register(&client->dev, desc, &config); diff --git a/drivers/regulator/qcom_spmi-regulator.c b/drivers/regulator/qcom_spmi-regulator.c index 63c7a0c..9817f1a 100644 --- a/drivers/regulator/qcom_spmi-regulator.c +++ b/drivers/regulator/qcom_spmi-regulator.c @@ -25,6 +25,8 @@ #include <linux/regulator/driver.h> #include <linux/regmap.h> #include <linux/list.h> +#include <linux/mfd/syscon.h> +#include <linux/io.h> /* Pin control enable input pins. */ #define SPMI_REGULATOR_PIN_CTRL_ENABLE_NONE 0x00 @@ -181,6 +183,23 @@ enum spmi_boost_byp_registers { SPMI_BOOST_BYP_REG_CURRENT_LIMIT = 0x4b, }; +enum spmi_saw3_registers { + SAW3_SECURE = 0x00, + SAW3_ID = 0x04, + SAW3_SPM_STS = 0x0C, + SAW3_AVS_STS = 0x10, + SAW3_PMIC_STS = 0x14, + SAW3_RST = 0x18, + SAW3_VCTL = 0x1C, + SAW3_AVS_CTL = 0x20, + SAW3_AVS_LIMIT = 0x24, + SAW3_AVS_DLY = 0x28, + SAW3_AVS_HYSTERESIS = 0x2C, + SAW3_SPM_STS2 = 0x38, + SAW3_SPM_PMIC_DATA_3 = 0x4C, + SAW3_VERSION = 0xFD0, +}; + /* Used for indexing into ctrl_reg. These are offets from 0x40 */ enum spmi_common_control_register_index { SPMI_COMMON_IDX_VOLTAGE_RANGE = 0, @@ -1035,6 +1054,89 @@ static irqreturn_t spmi_regulator_vs_ocp_isr(int irq, void *data) return IRQ_HANDLED; } +#define SAW3_VCTL_DATA_MASK 0xFF +#define SAW3_VCTL_CLEAR_MASK 0x700FF +#define SAW3_AVS_CTL_EN_MASK 0x1 +#define SAW3_AVS_CTL_TGGL_MASK 0x8000000 +#define SAW3_AVS_CTL_CLEAR_MASK 0x7efc00 + +static struct regmap *saw_regmap = NULL; + +static void spmi_saw_set_vdd(void *data) +{ + u32 vctl, data3, avs_ctl, pmic_sts; + bool avs_enabled = false; + unsigned long timeout; + u8 voltage_sel = *(u8 *)data; + + regmap_read(saw_regmap, SAW3_AVS_CTL, &avs_ctl); + regmap_read(saw_regmap, SAW3_VCTL, &vctl); + regmap_read(saw_regmap, SAW3_SPM_PMIC_DATA_3, &data3); + + /* select the band */ + vctl &= ~SAW3_VCTL_CLEAR_MASK; + vctl |= (u32)voltage_sel; + + data3 &= ~SAW3_VCTL_CLEAR_MASK; + data3 |= (u32)voltage_sel; + + /* If AVS is enabled, switch it off during the voltage change */ + avs_enabled = SAW3_AVS_CTL_EN_MASK & avs_ctl; + if (avs_enabled) { + avs_ctl &= ~SAW3_AVS_CTL_TGGL_MASK; + regmap_write(saw_regmap, SAW3_AVS_CTL, avs_ctl); + } + + regmap_write(saw_regmap, SAW3_RST, 1); + regmap_write(saw_regmap, SAW3_VCTL, vctl); + regmap_write(saw_regmap, SAW3_SPM_PMIC_DATA_3, data3); + + timeout = jiffies + usecs_to_jiffies(100); + do { + regmap_read(saw_regmap, SAW3_PMIC_STS, &pmic_sts); + pmic_sts &= SAW3_VCTL_DATA_MASK; + if (pmic_sts == (u32)voltage_sel) + break; + + cpu_relax(); + + } while (time_before(jiffies, timeout)); + + /* After successful voltage change, switch the AVS back on */ + if (avs_enabled) { + pmic_sts &= 0x3f; + avs_ctl &= ~SAW3_AVS_CTL_CLEAR_MASK; + avs_ctl |= ((pmic_sts - 4) << 10); + avs_ctl |= (pmic_sts << 17); + avs_ctl |= SAW3_AVS_CTL_TGGL_MASK; + regmap_write(saw_regmap, SAW3_AVS_CTL, avs_ctl); + } +} + +static int +spmi_regulator_saw_set_voltage(struct regulator_dev *rdev, unsigned selector) +{ + struct spmi_regulator *vreg = rdev_get_drvdata(rdev); + int ret; + u8 range_sel, voltage_sel; + + ret = spmi_sw_selector_to_hw(vreg, selector, &range_sel, &voltage_sel); + if (ret) + return ret; + + if (0 != range_sel) { + dev_dbg(&rdev->dev, "range_sel = %02X voltage_sel = %02X", \ + range_sel, voltage_sel); + return -EINVAL; + } + + /* Always do the SAW register writes on the first CPU */ + return smp_call_function_single(0, spmi_saw_set_vdd, \ + &voltage_sel, true); +} + +static struct regulator_ops spmi_saw_ops = {}; + static struct regulator_ops spmi_smps_ops = { .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, @@ -1250,6 +1352,7 @@ static int spmi_regulator_match(struct spmi_regulator *vreg, u16 force_type) } dig_major_rev = version[SPMI_COMMON_REG_DIG_MAJOR_REV - SPMI_COMMON_REG_DIG_MAJOR_REV]; + if (!force_type) { type = version[SPMI_COMMON_REG_TYPE - SPMI_COMMON_REG_DIG_MAJOR_REV]; @@ -1648,7 +1751,9 @@ static int qcom_spmi_regulator_probe(struct platform_device *pdev) struct regmap *regmap; const char *name; struct device *dev = &pdev->dev; - int ret; + struct device_node *node = pdev->dev.of_node; + struct device_node *syscon; + int ret, lenp; struct list_head *vreg_list; vreg_list = devm_kzalloc(dev, sizeof(*vreg_list), GFP_KERNEL); @@ -1665,7 +1770,22 @@ static int qcom_spmi_regulator_probe(struct platform_device *pdev) if (!match) return -ENODEV; + if (of_find_property(node, "qcom,saw-reg", &lenp)) { + syscon = of_parse_phandle(node, "qcom,saw-reg", 0); + saw_regmap = syscon_node_to_regmap(syscon); + of_node_put(syscon); + if (IS_ERR(regmap)) + dev_err(dev, "ERROR reading SAW regmap\n"); + } + for (reg = match->data; reg->name; reg++) { + + if (saw_regmap && \ + of_find_property(of_find_node_by_name(node, reg->name), \ + "qcom,saw-slave", &lenp)) { + continue; + } + vreg = devm_kzalloc(dev, sizeof(*vreg), GFP_KERNEL); if (!vreg) return -ENOMEM; @@ -1673,7 +1793,6 @@ static int qcom_spmi_regulator_probe(struct platform_device *pdev) vreg->dev = dev; vreg->base = reg->base; vreg->regmap = regmap; - if (reg->ocp) { vreg->ocp_irq = platform_get_irq_byname(pdev, reg->ocp); if (vreg->ocp_irq < 0) { @@ -1681,7 +1800,6 @@ static int qcom_spmi_regulator_probe(struct platform_device *pdev) goto err; } } - vreg->desc.id = -1; vreg->desc.owner = THIS_MODULE; vreg->desc.type = REGULATOR_VOLTAGE; @@ -1698,6 +1816,15 @@ static int qcom_spmi_regulator_probe(struct platform_device *pdev) if (ret) continue; + if (saw_regmap && \ + of_find_property(of_find_node_by_name(node, reg->name), \ + "qcom,saw-leader", &lenp)) { + spmi_saw_ops = *(vreg->desc.ops); + spmi_saw_ops.set_voltage_sel = \ + spmi_regulator_saw_set_voltage; + vreg->desc.ops = &spmi_saw_ops; + } + config.dev = dev; config.driver_data = vreg; config.regmap = regmap; diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c index 4836947..b8443a3 100644 --- a/drivers/regulator/s5m8767.c +++ b/drivers/regulator/s5m8767.c @@ -13,6 +13,7 @@ #include <linux/err.h> #include <linux/of_gpio.h> +#include <linux/gpio/consumer.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/regulator/driver.h> @@ -459,15 +460,14 @@ static void s5m8767_regulator_config_ext_control(struct s5m8767_info *s5m8767, return; } - if (!gpio_is_valid(rdata->ext_control_gpio)) { + if (!rdata->ext_control_gpiod) { dev_warn(s5m8767->dev, "ext-control for %s: GPIO not valid, ignoring\n", - rdata->reg_node->name); + rdata->reg_node->name); return; } - config->ena_gpio = rdata->ext_control_gpio; - config->ena_gpio_flags = GPIOF_OUT_INIT_HIGH; + config->ena_gpiod = rdata->ext_control_gpiod; } /* @@ -577,8 +577,14 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev, continue; } - rdata->ext_control_gpio = of_get_named_gpio(reg_np, - "s5m8767,pmic-ext-control-gpios", 0); + rdata->ext_control_gpiod = devm_gpiod_get_from_of_node(&pdev->dev, + reg_np, + "s5m8767,pmic-ext-control-gpios", + 0, + GPIOD_OUT_HIGH, + "s5m8767"); + if (IS_ERR(rdata->ext_control_gpiod)) + return PTR_ERR(rdata->ext_control_gpiod); rdata->id = i; rdata->initdata = of_get_regulator_init_data( @@ -954,10 +960,8 @@ static int s5m8767_pmic_probe(struct platform_device *pdev) config.driver_data = s5m8767; config.regmap = iodev->regmap_pmic; config.of_node = pdata->regulators[i].reg_node; - config.ena_gpio = -EINVAL; - config.ena_gpio_flags = 0; - config.ena_gpio_initialized = true; - if (gpio_is_valid(pdata->regulators[i].ext_control_gpio)) + config.ena_gpiod = NULL; + if (pdata->regulators[i].ext_control_gpiod) s5m8767_regulator_config_ext_control(s5m8767, &pdata->regulators[i], &config); @@ -970,7 +974,7 @@ static int s5m8767_pmic_probe(struct platform_device *pdev) return ret; } - if (gpio_is_valid(pdata->regulators[i].ext_control_gpio)) { + if (pdata->regulators[i].ext_control_gpiod) { ret = s5m8767_enable_ext_control(s5m8767, rdev); if (ret < 0) { dev_err(s5m8767->dev, diff --git a/drivers/regulator/sy8106a-regulator.c b/drivers/regulator/sy8106a-regulator.c new file mode 100644 index 0000000..65fbd1f --- /dev/null +++ b/drivers/regulator/sy8106a-regulator.c @@ -0,0 +1,167 @@ +// SPDX-License-Identifier: GPL-2.0+ +// +// sy8106a-regulator.c - Regulator device driver for SY8106A +// +// Copyright (C) 2016 Ondřej Jirman <megous@megous.com> +// Copyright (c) 2017-2018 Icenowy Zheng <icenowy@aosc.io> + +#include <linux/err.h> +#include <linux/i2c.h> +#include <linux/module.h> +#include <linux/regmap.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/of_regulator.h> + +#define SY8106A_REG_VOUT1_SEL 0x01 +#define SY8106A_REG_VOUT_COM 0x02 +#define SY8106A_REG_VOUT1_SEL_MASK 0x7f +#define SY8106A_DISABLE_REG BIT(0) +/* + * The I2C controlled voltage will only work when this bit is set; otherwise + * it will behave like a fixed regulator. + */ +#define SY8106A_GO_BIT BIT(7) + +struct sy8106a { + struct regulator_dev *rdev; + struct regmap *regmap; + u32 fixed_voltage; +}; + +static const struct regmap_config sy8106a_regmap_config = { + .reg_bits = 8, + .val_bits = 8, +}; + +static const struct regulator_ops sy8106a_ops = { + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .set_voltage_time_sel = regulator_set_voltage_time_sel, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .list_voltage = regulator_list_voltage_linear, + /* Enabling/disabling the regulator is not yet implemented */ +}; + +/* Default limits measured in millivolts */ +#define SY8106A_MIN_MV 680 +#define SY8106A_MAX_MV 1950 +#define SY8106A_STEP_MV 10 + +static const struct regulator_desc sy8106a_reg = { + .name = "SY8106A", + .id = 0, + .ops = &sy8106a_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = ((SY8106A_MAX_MV - SY8106A_MIN_MV) / SY8106A_STEP_MV) + 1, + .min_uV = (SY8106A_MIN_MV * 1000), + .uV_step = (SY8106A_STEP_MV * 1000), + .vsel_reg = SY8106A_REG_VOUT1_SEL, + .vsel_mask = SY8106A_REG_VOUT1_SEL_MASK, + /* + * This ramp_delay is a conservative default value which works on + * H3/H5 boards VDD-CPUX situations. + */ + .ramp_delay = 200, + .owner = THIS_MODULE, +}; + +/* + * I2C driver interface functions + */ +static int sy8106a_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + struct sy8106a *chip; + struct device *dev = &i2c->dev; + struct regulator_dev *rdev = NULL; + struct regulator_config config = { }; + unsigned int reg, vsel; + int error; + + chip = devm_kzalloc(&i2c->dev, sizeof(struct sy8106a), GFP_KERNEL); + if (!chip) + return -ENOMEM; + + error = of_property_read_u32(dev->of_node, "silergy,fixed-microvolt", + &chip->fixed_voltage); + if (error) + return error; + + if (chip->fixed_voltage < SY8106A_MIN_MV * 1000 || + chip->fixed_voltage > SY8106A_MAX_MV * 1000) + return -EINVAL; + + chip->regmap = devm_regmap_init_i2c(i2c, &sy8106a_regmap_config); + if (IS_ERR(chip->regmap)) { + error = PTR_ERR(chip->regmap); + dev_err(dev, "Failed to allocate register map: %d\n", error); + return error; + } + + config.dev = &i2c->dev; + config.regmap = chip->regmap; + config.driver_data = chip; + + config.of_node = dev->of_node; + config.init_data = of_get_regulator_init_data(dev, dev->of_node, + &sy8106a_reg); + + if (!config.init_data) + return -ENOMEM; + + /* Ensure GO_BIT is enabled when probing */ + error = regmap_read(chip->regmap, SY8106A_REG_VOUT1_SEL, ®); + if (error) + return error; + + if (!(reg & SY8106A_GO_BIT)) { + vsel = (chip->fixed_voltage / 1000 - SY8106A_MIN_MV) / + SY8106A_STEP_MV; + + error = regmap_write(chip->regmap, SY8106A_REG_VOUT1_SEL, + vsel | SY8106A_GO_BIT); + if (error) + return error; + } + + /* Probe regulator */ + rdev = devm_regulator_register(&i2c->dev, &sy8106a_reg, &config); + if (IS_ERR(rdev)) { + error = PTR_ERR(rdev); + dev_err(&i2c->dev, "Failed to register SY8106A regulator: %d\n", error); + return error; + } + + chip->rdev = rdev; + + i2c_set_clientdata(i2c, chip); + + return 0; +} + +static const struct of_device_id sy8106a_i2c_of_match[] = { + { .compatible = "silergy,sy8106a" }, + { }, +}; +MODULE_DEVICE_TABLE(of, sy8106a_i2c_of_match); + +static const struct i2c_device_id sy8106a_i2c_id[] = { + { "sy8106a", 0 }, + { }, +}; +MODULE_DEVICE_TABLE(i2c, sy8106a_i2c_id); + +static struct i2c_driver sy8106a_regulator_driver = { + .driver = { + .name = "sy8106a", + .of_match_table = of_match_ptr(sy8106a_i2c_of_match), + }, + .probe = sy8106a_i2c_probe, + .id_table = sy8106a_i2c_id, +}; + +module_i2c_driver(sy8106a_regulator_driver); + +MODULE_AUTHOR("Ondřej Jirman <megous@megous.com>"); +MODULE_AUTHOR("Icenowy Zheng <icenowy@aosc.io>"); +MODULE_DESCRIPTION("Regulator device driver for Silergy SY8106A"); +MODULE_LICENSE("GPL"); diff --git a/drivers/regulator/tps65090-regulator.c b/drivers/regulator/tps65090-regulator.c index 395f35d..2d398fa 100644 --- a/drivers/regulator/tps65090-regulator.c +++ b/drivers/regulator/tps65090-regulator.c @@ -19,8 +19,8 @@ #include <linux/module.h> #include <linux/delay.h> #include <linux/init.h> -#include <linux/gpio.h> -#include <linux/of_gpio.h> +#include <linux/of.h> +#include <linux/gpio/consumer.h> #include <linux/slab.h> #include <linux/err.h> #include <linux/platform_device.h> @@ -300,26 +300,6 @@ static int tps65090_regulator_disable_ext_control( return tps65090_config_ext_control(ri, false); } -static void tps65090_configure_regulator_config( - struct tps65090_regulator_plat_data *tps_pdata, - struct regulator_config *config) -{ - if (gpio_is_valid(tps_pdata->gpio)) { - int gpio_flag = GPIOF_OUT_INIT_LOW; - - if (tps_pdata->reg_init_data->constraints.always_on || - tps_pdata->reg_init_data->constraints.boot_on) - gpio_flag = GPIOF_OUT_INIT_HIGH; - - config->ena_gpio = tps_pdata->gpio; - config->ena_gpio_initialized = true; - config->ena_gpio_flags = gpio_flag; - } else { - config->ena_gpio = -EINVAL; - config->ena_gpio_initialized = false; - } -} - #ifdef CONFIG_OF static struct of_regulator_match tps65090_matches[] = { { .name = "dcdc1", }, @@ -385,9 +365,26 @@ static struct tps65090_platform_data *tps65090_parse_dt_reg_data( rpdata->enable_ext_control = of_property_read_bool( tps65090_matches[idx].of_node, "ti,enable-ext-control"); - if (rpdata->enable_ext_control) - rpdata->gpio = of_get_named_gpio(np, - "dcdc-ext-control-gpios", 0); + if (rpdata->enable_ext_control) { + enum gpiod_flags gflags; + + if (ri_data->constraints.always_on || + ri_data->constraints.boot_on) + gflags = GPIOD_OUT_HIGH; + else + gflags = GPIOD_OUT_LOW; + + rpdata->gpiod = devm_gpiod_get_from_of_node(&pdev->dev, + tps65090_matches[idx].of_node, + "dcdc-ext-control-gpios", 0, + gflags, + "tps65090"); + if (IS_ERR(rpdata->gpiod)) + return ERR_CAST(rpdata->gpiod); + if (!rpdata->gpiod) + dev_err(&pdev->dev, + "could not find DCDC external control GPIO\n"); + } if (of_property_read_u32(tps65090_matches[idx].of_node, "ti,overcurrent-wait", @@ -455,8 +452,7 @@ static int tps65090_regulator_probe(struct platform_device *pdev) */ if (tps_pdata && is_dcdc(num) && tps_pdata->reg_init_data) { if (tps_pdata->enable_ext_control) { - tps65090_configure_regulator_config( - tps_pdata, &config); + config.ena_gpiod = tps_pdata->gpiod; ri->desc->ops = &tps65090_ext_control_ops; } else { ret = tps65090_regulator_disable_ext_control( diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c index 9e9d220..ba3dae7 100644 --- a/drivers/regulator/tps6586x-regulator.c +++ b/drivers/regulator/tps6586x-regulator.c @@ -342,6 +342,7 @@ static struct tps6586x_regulator *find_regulator_info(int id, int version) switch (version) { case TPS658623: + case TPS658624: table = tps658623_regulator; num = ARRAY_SIZE(tps658623_regulator); break; diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c index a4456db5..884c7505 100644 --- a/drivers/regulator/twl-regulator.c +++ b/drivers/regulator/twl-regulator.c @@ -274,7 +274,7 @@ static inline unsigned int twl4030reg_map_mode(unsigned int mode) case RES_STATE_SLEEP: return REGULATOR_MODE_STANDBY; default: - return -EINVAL; + return REGULATOR_MODE_INVALID; } } diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c index da9106b..8ad11b0 100644 --- a/drivers/regulator/wm8350-regulator.c +++ b/drivers/regulator/wm8350-regulator.c @@ -911,6 +911,7 @@ static unsigned int get_mode(int uA, const struct wm8350_dcdc_efficiency *eff) while (eff[i].uA_load_min != -1) { if (uA >= eff[i].uA_load_min && uA <= eff[i].uA_load_max) return eff[i].mode; + i++; } return REGULATOR_MODE_NORMAL; } diff --git a/include/linux/mfd/bd9571mwv.h b/include/linux/mfd/bd9571mwv.h index f0708ba..eb05569 100644 --- a/include/linux/mfd/bd9571mwv.h +++ b/include/linux/mfd/bd9571mwv.h @@ -33,6 +33,11 @@ #define BD9571MWV_I2C_MD2_E1_BIT_2 0x12 #define BD9571MWV_BKUP_MODE_CNT 0x20 +#define BD9571MWV_BKUP_MODE_CNT_KEEPON_MASK GENMASK(3, 0) +#define BD9571MWV_BKUP_MODE_CNT_KEEPON_DDR0 BIT(0) +#define BD9571MWV_BKUP_MODE_CNT_KEEPON_DDR1 BIT(1) +#define BD9571MWV_BKUP_MODE_CNT_KEEPON_DDR0C BIT(2) +#define BD9571MWV_BKUP_MODE_CNT_KEEPON_DDR1C BIT(3) #define BD9571MWV_BKUP_MODE_STATUS 0x21 #define BD9571MWV_BKUP_RECOVERY_CNT 0x22 #define BD9571MWV_BKUP_CTRL_TIM_CNT 0x23 diff --git a/include/linux/mfd/lp8788.h b/include/linux/mfd/lp8788.h index 786bf66..2010e0d 100644 --- a/include/linux/mfd/lp8788.h +++ b/include/linux/mfd/lp8788.h @@ -182,20 +182,6 @@ struct lp8788_buck2_dvs { }; /* - * struct lp8788_ldo_enable_pin - * - * Basically, all LDOs are enabled through the I2C commands. - * But ALDO 1 ~ 5, 7, DLDO 7, 9, 11 can be enabled by external gpio pins. - * - * @gpio : gpio number which is used for enabling ldos - * @init_state : initial gpio state (ex. GPIOF_OUT_INIT_LOW) - */ -struct lp8788_ldo_enable_pin { - int gpio; - int init_state; -}; - -/* * struct lp8788_chg_param * @addr : charging control register address (range : 0x11 ~ 0x1C) * @val : charging parameter value @@ -288,7 +274,6 @@ struct lp8788_vib_platform_data { * @aldo_data : regulator initial data for analog ldo * @buck1_dvs : gpio configurations for buck1 dvs * @buck2_dvs : gpio configurations for buck2 dvs - * @ldo_pin : gpio configurations for enabling LDOs * @chg_pdata : platform data for charger driver * @alarm_sel : rtc alarm selection (1 or 2) * @bl_pdata : configurable data for backlight driver @@ -306,7 +291,6 @@ struct lp8788_platform_data { struct regulator_init_data *aldo_data[LP8788_NUM_ALDOS]; struct lp8788_buck1_dvs *buck1_dvs; struct lp8788_buck2_dvs *buck2_dvs; - struct lp8788_ldo_enable_pin *ldo_pin[EN_LDOS_MAX]; /* charger */ struct lp8788_charger_platform_data *chg_pdata; diff --git a/include/linux/mfd/samsung/core.h b/include/linux/mfd/samsung/core.h index 5a23dd4..28f4ae7 100644 --- a/include/linux/mfd/samsung/core.h +++ b/include/linux/mfd/samsung/core.h @@ -39,6 +39,8 @@ #define STEP_12_5_MV 12500 #define STEP_6_25_MV 6250 +struct gpio_desc; + enum sec_device_type { S5M8751X, S5M8763X, @@ -151,7 +153,7 @@ struct sec_regulator_data { int id; struct regulator_init_data *initdata; struct device_node *reg_node; - int ext_control_gpio; + struct gpio_desc *ext_control_gpiod; }; /* diff --git a/include/linux/mfd/tps65090.h b/include/linux/mfd/tps65090.h index 67d144b..f05bf4a 100644 --- a/include/linux/mfd/tps65090.h +++ b/include/linux/mfd/tps65090.h @@ -83,6 +83,8 @@ enum { #define TPS65090_MAX_REG TPS65090_REG_AD_OUT2 #define TPS65090_NUM_REGS (TPS65090_MAX_REG + 1) +struct gpio_desc; + struct tps65090 { struct device *dev; struct regmap *rmap; @@ -95,8 +97,8 @@ struct tps65090 { * @reg_init_data: The regulator init data. * @enable_ext_control: Enable extrenal control or not. Only available for * DCDC1, DCDC2 and DCDC3. - * @gpio: Gpio number if external control is enabled and controlled through - * gpio. + * @gpiod: Gpio descriptor if external control is enabled and controlled through + * gpio * @overcurrent_wait_valid: True if the overcurrent_wait should be applied. * @overcurrent_wait: Value to set as the overcurrent wait time. This is the * actual bitfield value, not a time in ms (valid value are 0 - 3). @@ -104,7 +106,7 @@ struct tps65090 { struct tps65090_regulator_plat_data { struct regulator_init_data *reg_init_data; bool enable_ext_control; - int gpio; + struct gpio_desc *gpiod; bool overcurrent_wait_valid; int overcurrent_wait; }; diff --git a/include/linux/mfd/tps6586x.h b/include/linux/mfd/tps6586x.h index 2fe68e4..b19c280 100644 --- a/include/linux/mfd/tps6586x.h +++ b/include/linux/mfd/tps6586x.h @@ -18,6 +18,7 @@ #define TPS658621A 0x15 #define TPS658621CD 0x2c #define TPS658623 0x1b +#define TPS658624 0x0a #define TPS658640 0x01 #define TPS658640v2 0x02 #define TPS658643 0x03 diff --git a/include/linux/regulator/ab8500.h b/include/linux/regulator/ab8500.h index d8ecefa..6d46f962 100644 --- a/include/linux/regulator/ab8500.h +++ b/include/linux/regulator/ab8500.h @@ -49,47 +49,7 @@ enum ab8505_regulator_id { AB8505_NUM_REGULATORS, }; -/* AB9540 regulators */ -enum ab9540_regulator_id { - AB9540_LDO_AUX1, - AB9540_LDO_AUX2, - AB9540_LDO_AUX3, - AB9540_LDO_AUX4, - AB9540_LDO_INTCORE, - AB9540_LDO_TVOUT, - AB9540_LDO_USB, - AB9540_LDO_AUDIO, - AB9540_LDO_ANAMIC1, - AB9540_LDO_ANAMIC2, - AB9540_LDO_DMIC, - AB9540_LDO_ANA, - AB9540_SYSCLKREQ_2, - AB9540_SYSCLKREQ_4, - AB9540_NUM_REGULATORS, -}; - -/* AB8540 regulators */ -enum ab8540_regulator_id { - AB8540_LDO_AUX1, - AB8540_LDO_AUX2, - AB8540_LDO_AUX3, - AB8540_LDO_AUX4, - AB8540_LDO_AUX5, - AB8540_LDO_AUX6, - AB8540_LDO_INTCORE, - AB8540_LDO_TVOUT, - AB8540_LDO_AUDIO, - AB8540_LDO_ANAMIC1, - AB8540_LDO_ANAMIC2, - AB8540_LDO_DMIC, - AB8540_LDO_ANA, - AB8540_LDO_SDIO, - AB8540_SYSCLKREQ_2, - AB8540_SYSCLKREQ_4, - AB8540_NUM_REGULATORS, -}; - -/* AB8500, AB8505, and AB9540 register initialization */ +/* AB8500 and AB8505 register initialization */ struct ab8500_regulator_reg_init { int id; u8 mask; @@ -185,121 +145,6 @@ enum ab8505_regulator_reg { AB8505_NUM_REGULATOR_REGISTERS, }; -/* AB9540 registers */ -enum ab9540_regulator_reg { - AB9540_REGUREQUESTCTRL1, - AB9540_REGUREQUESTCTRL2, - AB9540_REGUREQUESTCTRL3, - AB9540_REGUREQUESTCTRL4, - AB9540_REGUSYSCLKREQ1HPVALID1, - AB9540_REGUSYSCLKREQ1HPVALID2, - AB9540_REGUHWHPREQ1VALID1, - AB9540_REGUHWHPREQ1VALID2, - AB9540_REGUHWHPREQ2VALID1, - AB9540_REGUHWHPREQ2VALID2, - AB9540_REGUSWHPREQVALID1, - AB9540_REGUSWHPREQVALID2, - AB9540_REGUSYSCLKREQVALID1, - AB9540_REGUSYSCLKREQVALID2, - AB9540_REGUVAUX4REQVALID, - AB9540_REGUMISC1, - AB9540_VAUDIOSUPPLY, - AB9540_REGUCTRL1VAMIC, - AB9540_VSMPS1REGU, - AB9540_VSMPS2REGU, - AB9540_VSMPS3REGU, /* NOTE! PRCMU register */ - AB9540_VPLLVANAREGU, - AB9540_EXTSUPPLYREGU, - AB9540_VAUX12REGU, - AB9540_VRF1VAUX3REGU, - AB9540_VSMPS1SEL1, - AB9540_VSMPS1SEL2, - AB9540_VSMPS1SEL3, - AB9540_VSMPS2SEL1, - AB9540_VSMPS2SEL2, - AB9540_VSMPS2SEL3, - AB9540_VSMPS3SEL1, /* NOTE! PRCMU register */ - AB9540_VSMPS3SEL2, /* NOTE! PRCMU register */ - AB9540_VAUX1SEL, - AB9540_VAUX2SEL, - AB9540_VRF1VAUX3SEL, - AB9540_REGUCTRL2SPARE, - AB9540_VAUX4REQCTRL, - AB9540_VAUX4REGU, - AB9540_VAUX4SEL, - AB9540_REGUCTRLDISCH, - AB9540_REGUCTRLDISCH2, - AB9540_REGUCTRLDISCH3, - AB9540_NUM_REGULATOR_REGISTERS, -}; - -/* AB8540 registers */ -enum ab8540_regulator_reg { - AB8540_REGUREQUESTCTRL1, - AB8540_REGUREQUESTCTRL2, - AB8540_REGUREQUESTCTRL3, - AB8540_REGUREQUESTCTRL4, - AB8540_REGUSYSCLKREQ1HPVALID1, - AB8540_REGUSYSCLKREQ1HPVALID2, - AB8540_REGUHWHPREQ1VALID1, - AB8540_REGUHWHPREQ1VALID2, - AB8540_REGUHWHPREQ2VALID1, - AB8540_REGUHWHPREQ2VALID2, - AB8540_REGUSWHPREQVALID1, - AB8540_REGUSWHPREQVALID2, - AB8540_REGUSYSCLKREQVALID1, - AB8540_REGUSYSCLKREQVALID2, - AB8540_REGUVAUX4REQVALID, - AB8540_REGUVAUX5REQVALID, - AB8540_REGUVAUX6REQVALID, - AB8540_REGUVCLKBREQVALID, - AB8540_REGUVRF1REQVALID, - AB8540_REGUMISC1, - AB8540_VAUDIOSUPPLY, - AB8540_REGUCTRL1VAMIC, - AB8540_VHSIC, - AB8540_VSDIO, - AB8540_VSMPS1REGU, - AB8540_VSMPS2REGU, - AB8540_VSMPS3REGU, - AB8540_VPLLVANAREGU, - AB8540_EXTSUPPLYREGU, - AB8540_VAUX12REGU, - AB8540_VRF1VAUX3REGU, - AB8540_VSMPS1SEL1, - AB8540_VSMPS1SEL2, - AB8540_VSMPS1SEL3, - AB8540_VSMPS2SEL1, - AB8540_VSMPS2SEL2, - AB8540_VSMPS2SEL3, - AB8540_VSMPS3SEL1, - AB8540_VSMPS3SEL2, - AB8540_VAUX1SEL, - AB8540_VAUX2SEL, - AB8540_VRF1VAUX3SEL, - AB8540_REGUCTRL2SPARE, - AB8540_VAUX4REQCTRL, - AB8540_VAUX4REGU, - AB8540_VAUX4SEL, - AB8540_VAUX5REQCTRL, - AB8540_VAUX5REGU, - AB8540_VAUX5SEL, - AB8540_VAUX6REQCTRL, - AB8540_VAUX6REGU, - AB8540_VAUX6SEL, - AB8540_VCLKBREQCTRL, - AB8540_VCLKBREGU, - AB8540_VCLKBSEL, - AB8540_VRF1REQCTRL, - AB8540_REGUCTRLDISCH, - AB8540_REGUCTRLDISCH2, - AB8540_REGUCTRLDISCH3, - AB8540_REGUCTRLDISCH4, - AB8540_VSIMSYSCLKCTRL, - AB8540_VANAVPLLSEL, - AB8540_NUM_REGULATOR_REGISTERS, -}; - /* AB8500 external regulators */ struct ab8500_ext_regulator_cfg { bool hwreq; /* requires hw mode or high power mode */ diff --git a/include/linux/regulator/arizona-ldo1.h b/include/linux/regulator/arizona-ldo1.h index c685f12..fe74ab9 100644 --- a/include/linux/regulator/arizona-ldo1.h +++ b/include/linux/regulator/arizona-ldo1.h @@ -14,9 +14,6 @@ struct regulator_init_data; struct arizona_ldo1_pdata { - /** GPIO controlling LDOENA, if any */ - int ldoena; - /** Regulator configuration for LDO1 */ const struct regulator_init_data *init_data; }; diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index df176d7..25602af 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -80,6 +80,7 @@ struct regmap; * These modes can be OR'ed together to make up a mask of valid register modes. */ +#define REGULATOR_MODE_INVALID 0x0 #define REGULATOR_MODE_FAST 0x1 #define REGULATOR_MODE_NORMAL 0x2 #define REGULATOR_MODE_IDLE 0x4 diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 4fc96cb..fc2dc8d 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -15,6 +15,8 @@ #ifndef __LINUX_REGULATOR_DRIVER_H_ #define __LINUX_REGULATOR_DRIVER_H_ +#define MAX_COUPLED 4 + #include <linux/device.h> #include <linux/notifier.h> #include <linux/regulator/consumer.h> @@ -81,9 +83,12 @@ struct regulator_linear_range { * @set_voltage_sel: Set the voltage for the regulator using the specified * selector. * @map_voltage: Convert a voltage into a selector - * @get_voltage: Return the currently configured voltage for the regulator. + * @get_voltage: Return the currently configured voltage for the regulator; + * return -ENOTRECOVERABLE if regulator can't be read at + * bootup and hasn't been set yet. * @get_voltage_sel: Return the currently configured voltage selector for the - * regulator. + * regulator; return -ENOTRECOVERABLE if regulator can't + * be read at bootup and hasn't been set yet. * @list_voltage: Return one of the supported voltages, in microvolts; zero * if the selector indicates a voltage that is unusable on this system; * or negative errno. Selectors range from zero to one less than @@ -407,6 +412,20 @@ struct regulator_config { }; /* + * struct coupling_desc + * + * Describes coupling of regulators. Each regulator should have + * at least a pointer to itself in coupled_rdevs array. + * When a new coupled regulator is resolved, n_resolved is + * incremented. + */ +struct coupling_desc { + struct regulator_dev *coupled_rdevs[MAX_COUPLED]; + int n_resolved; + int n_coupled; +}; + +/* * struct regulator_dev * * Voltage / Current regulator class device. One for each @@ -429,8 +448,12 @@ struct regulator_dev { /* lists we own */ struct list_head consumer_list; /* consumers we supply */ + struct coupling_desc coupling_desc; + struct blocking_notifier_head notifier; struct mutex mutex; /* consumer lock */ + struct task_struct *mutex_owner; + int ref_cnt; struct module *owner; struct device dev; struct regulation_constraints *constraints; diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h index 93a0489..3468703 100644 --- a/include/linux/regulator/machine.h +++ b/include/linux/regulator/machine.h @@ -103,6 +103,7 @@ struct regulator_state { * @ilim_uA: Maximum input current. * @system_load: Load that isn't captured by any consumer requests. * + * @max_spread: Max possible spread between coupled regulators * @valid_modes_mask: Mask of modes which may be configured by consumers. * @valid_ops_mask: Operations which may be performed by consumers. * @@ -154,6 +155,9 @@ struct regulation_constraints { int system_load; + /* used for coupled regulators */ + int max_spread; + /* valid regulator operating modes for this machine */ unsigned int valid_modes_mask; diff --git a/include/linux/regulator/max8952.h b/include/linux/regulator/max8952.h index 4dbb63a..686c42c 100644 --- a/include/linux/regulator/max8952.h +++ b/include/linux/regulator/max8952.h @@ -120,7 +120,6 @@ enum { struct max8952_platform_data { int gpio_vid0; int gpio_vid1; - int gpio_en; u32 default_mode; u32 dvs_mode[MAX8952_NUM_DVS_MODE]; /* MAX8952_DVS_MODEx_XXXXmV */ |
