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* Merge tag 'gpio-v4.10-1' of ↵Linus Torvalds2016-12-131-1/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO updates from Luinus Walleij: "Bulk GPIO changes for the v4.10 kernel cycle: Core changes: - Simplify threaded interrupt handling: instead of passing numbed parameters to gpiochip_irqchip_add_chained() we create a new call: gpiochip_irqchip_add_nested() so the two types are clearly semantically different. Also make sure that all nested chips call gpiochip_set_nested_irqchip() which is necessary for IRQ resend to work properly if it happens. - Return error on seek operations for the chardev. - Clamp values set as part of gpio[d]_direction_output() so that anything != 0 will be send down to the driver as "1" not the value passed in. - ACPI can now support naming of GPIO lines, hogs and holes in the GPIO lists. New drivers: - The SX150x driver was deemed unfit for the GPIO subsystem and was moved over to a combined GPIO+pinctrl driver in the pinctrl subsystem. New features: - Various cleanups to various drivers" * tag 'gpio-v4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (49 commits) gpio: merrifield: Implement gpio_get_direction callback gpio: merrifield: Add support for hardware debouncer gpio: chardev: Return error for seek operations gpio: arizona: Tidy up probe error path gpio: arizona: Remove pointless set of platform drvdata gpio: pl061: delete platform data handling gpio: pl061: move platform data into driver gpio: pl061: rename variable from chip to pl061 gpio: pl061: rename state container struct gpio: pl061: use local state for parent IRQ storage gpio: set explicit nesting on drivers gpio: simplify adding threaded interrupts gpio: vf610: use builtin_platform_driver gpio: axp209: use correct register for GPIO input status gpio: stmpe: fix interrupt handling bug gpio: em: depnd on ARCH_SHMOBILE gpio: zx: depend on ARCH_ZX gpio: x86: update config dependencies for x86 specific hardware gpio: mb86s7x: use builtin_platform_driver gpio: etraxfs: use builtin_platform_driver ...
| * Merge branch 'ib-sx150x' of /home/linus/linux-pinctrl into develLinus Walleij2016-10-241-1/+0
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| | * pinctrl: Add SX150X GPIO Extender Pinctrl DriverNeil Armstrong2016-10-241-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since the I2C sx150x GPIO expander driver uses platform_data to manage the pins configurations, rewrite the driver as a pinctrl driver using pinconf to get/set pin configurations from DT or debugfs. The pinctrl driver is functionnally equivalent as the gpio-only driver and can use DT for pinconf. The platform_data confirmation is dropped. This patchset removed the gpio-only driver and selects the Pinctrl driver config instead. This patchset also migrates the gpio dt-bindings to pinctrl and add the pinctrl optional properties. The driver was tested with a SX1509 device on a BeagleBone black with interrupt support and on an X86_64 machine over an I2C to USB converter. This is a fixed version that builds and runs on non-OF platforms and on arm based OF. The GPIO version is removed and the bindings are also moved to the pinctrl bindings. Changes since v2 - rebased on v4.9-rc1 - removed MODULE_DEVICE_TABLE as in upstream bb411e771b0e ("gpio: sx150x: fix implicit assumption module.h is present") Changes since v1 - Fix Kconfig descriptions on pinctrl and gpio - Fix Kconfig dependency - Remove oscio support for non-789 devices - correct typo in dt bindings - remove probe reset for non-789 devices Changes since RFC - Put #ifdef CONFIG_OF/CONFIG_OF_GPIO to remove OF code for non-of platforms - No more rely on OF_GPIO config - Moved and enhanced bindings to pinctrl bindings - Removed gpio-sx150x.c - Temporary select PINCTRL_SX150X when GPIO_SX150X - Temporary mark GPIO_SX150X as deprecated Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Tested-by: Peter Rosin <peda@axentia.se> Acked-by: Rob Herring <robh@kernel.org> ested-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * | gpio: Rework of_gpiochip_set_names() to use device property accessorsMika Westerberg2016-10-241-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In order to use "gpio-line-names" property in systems not having DT as their boot firmware, rework of_gpiochip_set_names() to use device property accessors. This reworked function is placed in a separate file making it clear it deals with universal device properties. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * | gpio: altera-a10sr: Add A10 System Resource Chip GPIO support.Thor Thayer2016-10-241-0/+1
| |/ | | | | | | | | | | | | | | | | | | Add the GPIO functionality for the Altera Arria10 MAX5 System Resource Chip. The A10 MAX5 has 12 bits of GPIO assigned to switches, buttons, and LEDs as a GPIO extender on the SPI bus. Signed-off-by: Thor Thayer <tthayer@opensource.altera.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>i Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: Remove GPIO_DEVRES optionKeno Fischer2016-11-161-1/+1
|/ | | | | | | | | | | | | | | | | | | | | This option was added in 6a89a314ab107a12af08c71420c19a37a30fc2d3 to allow use of the devm_gpio_* functions without CONFIG_GPIOLIB. However, only a few months later in b69ac52449c658b7ac40034dc3c5f5f4a71a723d, CONFIG_GPIOLIB was added as a dependency, defeating the original purpose of this option. Instead of that patch, the original commit could have just been reverted (and in fact was partially so in 403c1d0be5ccbd750d25c59d8358843a81e52e3b). Further, since this option has a dependency on HAS_IOMEM, even though it does not require it, it causes build failures when !HAS_IOMEM (e.g. in a uml build). Fix that by completely removing the option, in essence completing the reversion of the original commit. Signed-off-by: Keno Fischer <keno@juliacomputing.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* Merge branch 'ib-move-htc-egpio' into develLinus Walleij2016-09-281-0/+1
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| * mfd/gpio: Move HTC GPIO driver to GPIO subsystemLinus Walleij2016-09-281-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | The HTC GPIO driver is a pure GPIO driver and I just can not see what it is doing inside MFD. Let's just move it to GPIO and take this opportunity to move the platform data to <linux/platform_data/gpio-htc-egpio.h> Cc: arm@kernel.org Cc: Russell King <linux@armlinux.org.uk> Acked-by: Lee Jones <lee.jones@linaro.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio/mockup: add virtual gpio deviceBamvor Jian Zhang2016-09-261-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch add basic structure of a virtual gpio device(gpio-mockup) for testing gpio subsystem. The tester could manipulate such device through userspace(sysfs or char device) and check the result from debugfs. Currently, it support one or more gpiochip(determined by module parameters with base,ngpio pair). One could test the overlap of different gpiochip and test the direction and/or output values of these chips. Signed-off-by: Kamlakant Patel <kamlakant.patel@broadcom.com> Signed-off-by: Bamvor Jian Zhang <bamvor.zhangjian@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | Merge tag 'ib-mfd-gpio-regulator-v4.9' of ↵Linus Walleij2016-09-131-0/+1
|\ \ | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into devel Immutable branch between MFD, GPIO and Regulator due for the v4.9 merge window
| * | gpio: lp873x: Add support for General Purpose OutputsKeerthy2016-08-311-0/+1
| |/ | | | | | | | | | | | | | | | | Add driver for lp873x PMIC family GPOs. Two GPOs are supported and can be configured in Open-drain output or Push-pull output. Signed-off-by: Keerthy <j-keerthy@ti.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* | gpio: Add Aspeed driverJoel Stanley2016-09-071-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Aspeed SoCs contain GPIOs banked by letter, where each bank contains 8 pins. The GPIO banks are then grouped in sets of four in the register layout. The implementation exposes multiple banks through the one driver and requests and releases pins via the pinctrl subsystem. The hardware supports generation of interrupts from all GPIO-capable pins. A number of hardware features are not yet supported: Configuration of interrupt direction (ARM or LPC), debouncing, and WDT reset tolerance for output ports. Signed-off-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Alistair Popple <alistair@popple.id.au> Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Andrew Jeffery <andrew@aj.id.au> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: add Technologic I2C-FPGA gpio supportLucile Quirion2016-08-191-0/+1
| | | | | | | | | | | | | | | | | | | | This driver is generic and aims to support all Technologic Systems's boards embedding FPGA GPIOs with an I2C interface. This driver supports TS-4900, TS-7970, TS-7990 and TS-4100 series. Signed-off-by: Lucile Quirion <lucile.quirion@savoirfairelinux.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: Add GPIO support for the Diamond Systems GPIO-MMWilliam Breathitt Gray2016-08-111-0/+1
| | | | | | | | | | | | | | | | | | | | The Diamond Systems GPIO-MM device features 48 lines of digital I/O via the emulation of dual 82C55A PPI chips. This driver provides GPIO support for these 48 channels of digital I/O. The base port addresses for the devices may be configured via the base array module parameter. Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: Add Intel WhiskeyCove PMIC GPIO driverBin Gao2016-08-111-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch introduces a separate GPIO driver for Intel WhiskeyCove PMIC. This driver is based on gpio-crystalcove.c. Changes in v7: - Fixed various coding style comments from Andy Shevchenko Changes in v6: - Removed unnecessary wcove_gpio_remove() - Used devm_gpiochip_remove() instead of gpiochip_remove() - Various coding style changes per Mika's comment Changes in v5: - Revisited the interrupt handler code to iterate until all pending interrupts are handled. This change is to avoid missing interrupt when we're inside the interrupt handler. - Used regmap_bulk_read() to read address adjacent registers. Changes in v4: - Converted CTLI_INTCNT_XX macros to less verbose ones INT_DETECT_XX. - Add comments about why there is no .pm for the driver. - Header files re-ordered. - Various coding style change to address Andy's comments. Changes in v3: - Fixed the year in copyright line(2015-->2016). - Removed DRV_NAME macro. - Added kernel-doc for regmap_irq_chip of the wcove_gpio structure. - Line length fix. Changes in v2: - Typo fix (Whsikey --> Whiskey). - Included linux/gpio/driver.h instead of linux/gpio.h - Implemented .set_single_ended(). - Added GPIO register description. - Replaced container_of() with gpiochip_get_data(). - Removed unnecessary "if (gpio > WCOVE_VGPIO_NUM" check. - Removed the device id table and added MODULE_ALIAS(). Signed-off-by: Ajay Thomas <ajay.thomas.david.rajamanickam@intel.com> Signed-off-by: Bin Gao <bin.gao@intel.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: Add AXP209 GPIO driverMaxime Ripard2016-08-111-0/+1
|/ | | | | | | | | | | The AXP209 PMIC has a bunch of GPIOs accessible, that are usually used to control LEDs or backlight. Add a driver for them Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: merrifield: Introduce GPIO driver to support MerrifieldAndy Shevchenko2016-07-221-0/+1
| | | | | | | | | | | | | | | | | | | | Intel Merrifield platform has a special GPIO controller to drive pads when they are muxed in corresponding mode. Intel Merrifield GPIO IP is slightly different here and there in comparison to the older Intel MID platforms. These differences include in particular the shaked register offsets, specific support of level triggered interrupts and wake capable sources, as well as a pinctrl which is a separate IP. Instead of uglifying existing driver I decide to provide a new one slightly based on gpio-intel-mid.c. So, anyone can easily compare what changes are happened to be here. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Brian J Wood <brian.j.wood@intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: max77620: add gpio driver for MAX77620/MAX20024Laxman Dewangan2016-06-071-0/+1
| | | | | | | | | | | MAXIM Semiconductor's PMIC, MAX77620/MAX20024 has 8 GPIO pins. It also supports interrupts from these pins. Add GPIO driver for these pins to control via GPIO APIs. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: rename gpio-generic.c into gpio-mmio.cChristian Lamparter2016-04-291-0/+3
| | | | | | | | | | This patch renames the gpio-generic.c into gpio-mmio.c. This is because currently the file only contains code for a memory-mapped GPIO driver. There isn't any support for ioports or other resource type. Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: tegra: Allow compile testAlexander Stein2016-04-141-1/+1
| | | | | | | Allow compile testing this driver by adding a new config option which is enabled by default and depends on the old symbol or COMPILE_TEST. Signed-off-by: Alexander Stein <alexanders83@web.de>
* gpio: Loongson1: add Loongson1 GPIO driverKelvin Cheung2016-04-091-0/+1
| | | | | | | This patch adds GPIO driver for Loongson1B. Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* Merge tag 'mfd-for-linus-4.6' of ↵Linus Torvalds2016-03-181-0/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd Pull MFD updates from Lee Jones: "New Drivers: - Freescale Touch Screen ADC - X-Powers AXP PMIC with RSB - TI TPS65086 Power Management IC (PMIC) New Device Support: - Supply device PCI IDs for Intel Broxton Fix-ups: - Move to clkdev_create() API; intel_quark_i2c_gpio - Complete re-write of TI's TPS65912 Power Management IC (PMIC) - Remove unnecessary function argument; axp20x - Separate out bus related code; axp20x - Coding Style changes; axp20x - Allow more drivers to be compiled as modules - Work around false positive 'used uninitialised' warning; db8500-prcmu Bug Fixes: - Remove do_div(); fsl-imx25-gcq - Fix driver init when built-in; tps65010 - Fix clock-unregister leak; intel-lpss" * tag 'mfd-for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (53 commits) mfd: intel-lpss: Pass I2C configuration via properties on BXT mfd: imx6sx: Add PCIe register definitions for iomuxc gpr mfd: ipaq-micro: Use __maybe_unused to hide pm functions mfd: max77686: Add max77802 to I2C device ID table mfd: max77686: Export OF module alias information mfd: max77686: Allow driver to be built as a module mfd: stmpe: Add the proper PWM resources mfd: tps65090: Set regmap config reg counts properly mfd: syscon: Return ENOTSUPP instead of ENOSYS when disabled mfd: as3711: Set regmap config reg counts properly mfd: rc5t583: Set regmap config reg counts properly gpio: tps65086: Add GPO driver for the TPS65086 PMIC mfd: mt6397: Add platform device ID table mfd: da9063: Fix missing volatile registers in the core regmap_range volatile lists mfd: mt6397: Add MT6323 support to MT6397 driver mfd: mt6397: Add support for different Slave types mfd: mt6397: int_con and int_status may vary in location dt-bindings: mfd: Add bindings for the MediaTek MT6323 PMIC mfd: da9062: Fix missing volatile registers in the core regmap_range volatile lists mfd: Add documentation for ACT8945A DT bindings ...
| * gpio: tps65086: Add GPO driver for the TPS65086 PMICAndrew F. Davis2016-03-161-0/+1
| | | | | | | | | | | | | | | | | | | | | | Add support for the TPS65086 PMIC GPOs. TPS65086 has four configurable GPOs that can be used for several purposes. These are output only. Signed-off-by: Andrew F. Davis <afd@ti.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* | gpio: add driver for MEN 16Z127 GPIO controllerAndreas Werner2016-03-091-0/+1
| | | | | | | | | | | | | | | | | | | | | | The 16Z127 is a 32bit GPIO controller on a MCB FPGA. Every single line can be configured as input and output. Push pull and open drain are supported as well as setting a debounce value for the input lines. Signed-off-by: Andreas Werner <andy@wernerandy.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: add tps65218 gpioNicolas Saenz Julienne2016-02-111-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Driver for the GPIO block found in ti's tps65218 pmics. The device has two GPIOs and one GPO pin which can be configured as follows: GPIO1: -general-purpose, open-drain output controlled by GPO1 user bit and/or sequencer -DDR3 reset input signal from SOC. Signal is either latched or passed-trough to GPO2 pin. See below for details. GPO2: -general-purpose output controlled by GPO2 user bit -DDR3 reset output signal. Signal is controlled by GPIO1 and PGOOD. See below for details. -Output buffer can be configured as open-drain or push-pull. GPIO3: -general-purpose, open-drain output controlled by GPO3 user bit and/or sequencer -reset input-signal for DCDC1 and DCDC2. The input configurations are not meant to be used by the user so the driver only offers GPOs. v2: Added request routine that evaluates the fw config flags and removed module owner v3: Added .direction_input() routine, and took care of all Linus Walleij suggestions (clamp to bool, use proper include) Signed-off-by: Nicolas Saenz Julienne <nicolassaenzj@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: Add driver for TI TPIC2810Andrew F. Davis2016-02-101-0/+1
| | | | | | | | | | | | | | | | | | | | Add driver for TI TPIC2810 8-Bit LED Driver with I2C Interface. The TPIC2810 has 8 open-drain outputs that can but used to drive LEDs and other low-side switched resistive loads. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: Add driver for SPI serializersAndrew F. Davis2016-02-101-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | Add generic parallel-in/serial-out shift register GPIO driver. This includes SPI compatible devices like SN74165 serial-out shift registers and the SN65HVS88x series of industrial serializers that can be read over the SPI bus and used for GPI (General Purpose Input). Signed-off-by: Andrew F. Davis <afd@ti.com> Tested-by: Sean Nyekjaer <sean.nyekjaer@prevas.dk> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: ath79: Move to the generic GPIO driverAlban Bedel2016-02-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | Drop most of the code in favor of the generic MMIO GPIO driver. As the driver now depend on CONFIG_GPIO_GENERIC also add a Kconfig entry to make the driver optional. We leave the base pointer and lock in the data struct because they are needed for the IRQ support. Signed-off-by: Alban Bedel <albeu@free.fr> Acked-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: add TS-4800 fpga GPIO supportJulien Grossholtz2016-02-051-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | The TS-4800 GPIO driver provide support for the GPIOs available on the Technologic Sytems board FPGA. It allows to set direction and read/write states. It uses the generic gpio driver. Signed-off-by: Julien Grossholtz <julien.grossholtz@savoirfairelinux.com> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: Add GPIO support for the ACCES 104-DIO-48EWilliam Breathitt Gray2016-01-281-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ACCES 104-DIO-48E device provides 48 lines digital I/O via two Programmable Peripheral Interface (PPI) chips of type 82C55. Bit C3 at each 24-bit Group can be used as an external interrupt, triggered by a rising edge. This driver provides GPIO and IRQ support for these 48 channels of digital I/O. The base port address for the device may be configured via the dio_48e_base module parameter. The interrupt line number for the device may be configured via the dio_48e_irq module parameter. Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: Add GPIO support for the WinSystems WS16C48William Breathitt Gray2016-01-281-0/+1
|/ | | | | | | | | | | | | | | The WinSystems WS16C48 device provides 48 lines of digital I/O. In addition, the first 24 lines may be used for interrupt-handled edge detection; rising edge detection and falling edge detection are supported. This driver provides GPIO and IRQ support for these 48 channels of digital I/O. The base port address for the device may be configured via the ws16c48_base module parameter. The interrupt line number for the device may be configured via the ws16c48_irq module parameter. Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* Merge tag 'armsoc-multiplatform' of ↵Linus Torvalds2016-01-201-1/+0
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC multiplatform code updates from Arnd Bergmann: "This branch is the culmination of 5 years of effort to bring the ARMv6 and ARMv7 platforms together such that they can all be enabled and boot the same kernel. It has been a tremendous amount of cleanup and refactoring by a huge number of people, and creation of several new (and major) subsystems to better abstract out all the platform details in an appropriate manner. The bulk of this branch is a large patchset from Arnd that brings several of the more minor and older platforms we have closer to multiplatform support. Among these are MMP, S3C64xx, Orion5x, mv78xx0 and realview Much of this is moving around header files from old mach directories, but there are also some cleanup patches of debug_ll (lowlevel debug per-platform options) and other parts. Linus Walleij also has some patchs to clean up the older ARM Realview platforms by finally introducing DT support, and Rob Herring has some for ARM Versatile which is now DT-only. Both of these platforms are now multiplatform. Finally, a couple of patches from Russell for Dove PMU, and a fix from Valentin Rothberg for Exynos ADC, which were rebased on top of the series to avoid conflicts" * tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (75 commits) ARM: realview: don't select SMP_ON_UP for UP builds ARM: s3c: simplify s3c_irqwake_{e,}intallow definition ARM: s3c64xx: fix pm-debug compilation iio: exynos-adc: fix irqf_oneshot.cocci warnings ARM: realview: build realview-dt SMP support only when used ARM: realview: select apropriate targets ARM: realview: clean up header files ARM: realview: make all header files local ARM: no longer make CPU targets visible separately ARM: integrator: use explicit core module options ARM: realview: enable multiplatform ARM: make default platform work for NOMMU ARM: debug-ll: move DEBUG_LL_UART_EFM32 to correct Kconfig location ARM: defconfig: use correct debug_ll settings ARM: versatile: convert to multi-platform ARM: versatile: merge mach code into a single file ARM: versatile: switch to DT only booting and remove legacy code ARM: versatile: add DT based PCI detection ARM: pxa: mark ezx structures as __maybe_unused ARM: pxa: mark raumfeld init functions as __maybe_unused ...
| * gpio: samsung: move gpio-samsung driver back to platform codeArnd Bergmann2015-12-011-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The gpio-samsung driver is special in the sense that it interacts directly in multiple ways with the legacy platform code for the s3c24xx and s3c64xx platforms. In contrast, all devicetree based machines for Samsung, including the ones on those two SoC families use a different driver. The header files that define the interface between the platform code and the gpio driver are not visible when building a kernel for ARCH_MULTIPLATFORM, which prevents us from turning on this option for s3c64xx. To work around this, we now move the driver back into platform code, from where it was originally moved to as part of commit 1b39d5f2cc5c28 ("gpio/samsung: gpio-samsung.c to support Samsung GPIOs"). The long-term plan for this driver would be to remove it entirely, after all Samsung machines have been converted over to boot from DT, but there is currently no timeline for when that might happen. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
* | gpio: Add GPIO support for the ACCES 104-IDI-48William Breathitt Gray2015-12-011-0/+1
|/ | | | | | | | | | | | | | | | | The ACCES 104-IDI-48 family of PC/104 utility boards feature 48 individually optically isolated digital inputs. Enabled inputs feature change-of-state detection capability; if change-of-state detection is enabled, an interrupt is fired off if a change of input level (low-to-high or high-to-low) is detected. Change-of-state IRQs are enabled/disabled on 8-bit boundaries, for a total of six boundaries. This driver provides GPIO and IRQ support for these 48 channels of digital input. The base port address for the device may be configured via the idi_48_base module parameter. The interrupt line number for the device may be configured via the idi_48_irq module parameter. Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: Add GPIO support for the ACCES 104-IDIO-16William Breathitt Gray2015-10-271-0/+1
| | | | | | | | | | | | | | The ACCES 104-IDIO-16 family of PC/104 utility boards feature 16 optically isolated inputs and 16 optically isolated FET solid state outputs. This driver provides GPIO support for these 32 channels of digital I/O. Change-of-State detection interrupts are not supported. GPIO 0-15 correspond to digital outputs 0-15, while GPIO 16-31 correspond to digital inputs 0-15. The base port address for the device may be set via the idio_16_base module parameter. Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: driver for AMD PromontoryYD Tseng2015-10-261-0/+1
| | | | | | | | | | | | | | | | | | | | | | This patch adds a new GPIO driver for AMD Promontory chip. This GPIO controller is enumerated by ACPI and the ACPI compliant hardware ID is AMDF030. Change history: v2: 1. fix coding style 2. registers renaming v3: 1. change include file 2. fix coding style 3. remove module_init/exit, add module_platform_driver 4. remove MODULE_ALIAS v4: 1. change TOTAL_GPIO_PINS to PT_TOTAL_GPIO 2. remove PCI dependency in Kconfig 3. fix subject line Signed-off-by: YD Tseng <Yd_Tseng@asmedia.com.tw> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: add GPIO support for IT87xx, replacing gpio-it8761eDiego Elio Pettenò2015-10-021-1/+1
| | | | | | | | | This patch adds support for the GPIOs found on the ITE super-I/O chips IT87xx. Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu> Signed-off-by: Christophe Vu-Brugier <cvubrugier@fastmail.fm> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: msm: Remove unused driverStephen Boyd2015-10-021-1/+0
| | | | | | | | | | | Remove this driver now that Bjorn has introduced a pinctrl driver for msm8660 and the dts files have been updated with the pinctrl compatibles. Cc: Andy Gross <agross@codeaurora.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* Merge tag 'gpio-v4.3-1' of ↵Linus Torvalds2015-09-041-0/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO updates from Linus Walleij: "This is the bulk of GPIO changes for the v4.3 kernel cycle. There is quite a lot going on in the GPIO subsystem this merge window, so the main matter is decribed below. The hits in other subsystems when making the GPIO flags optional are all ACKed by their respective subsystem maintainers. Core changes: - Root out the wrapper devm_gpiod_get() and gpiod_get() etc versions of the descriptor calls that did not use the flags argument on the end. This was around for too long and eventually Uwe Kleine-König took the time to clean it out and the last users are removed along with the macros in this tag. In several cases the use of flags simplifies the code. For this reason we have (ACKed) patches hitting in DRM, IIO, media, NFC, USB+PHY up until we hammer in the nail with removing the macros. - Add a fat document describing how much ready-made GPIO stuff we have i the kernel to discourage people from reinventing a square wheel in userspace, as so often happens. - Create a separate lockdep class for each instance of a GPIO IRQ chip instead of using one class for all chips, as the current code will not work with systems with several GPIO chips doing lockdep debugging. - Protect against driver unloading also when a GPIO line is only used as IRQ for the GPIOLIB_IRQCHIP helpers. - If the GPIO chip has no designated owner, assign the parent device driver owner as owner. - Consolidation of chained IRQ handler install/remove replacing all call sites where irq_set_handler_data() and irq_set_chained_handler() were done in succession with a combined call to irq_set_chained_handler_and_data(). This series was created by Thomas Gleixner after the problem was observed by Russell King. - Tglx also made another series of patches switching __irq_set_handler_locked() for irq_set_handler_locked() which is way cleaner. - Tglx and Jiang Liu wrote a good bunch of patches to make use of irq_desc_get_xxx() accessors and avoid looking up irq_descs from IRQ numbers. The goal is to get rid of the irq number from the handlers in the IRQ flow which is nice. - Rob Herring killed off the set_irq_flags() for all GPIO drivers. This was an ARM specific function that is replaced with the generic irq_modify_status() where special flags are actually needed. - When an OF node has a pin range for its GPIOs, return -EPROBE_DEFER if the pin controller isn't available. Pretty logical, yet needed to be fixed. - If a driver using GPIOLIB_IRQCHIP has its own irq_*_resources call back, then call these instead of the defaults provided by the GPIOLIB. - Fix an undocumented ABI hole: named GPIOs were not properly documented. Driver improvements: - Add get_direction() support to the generic GPIO driver, it's strange that we didn't have that before. - Make it possible to have input-only GPIO chips using the generic GPIO driver. - Clean out platform data support from the Emma Mobile (EM) driver - Finegrained runtime PM support for the RCAR driver. - Support r8a7795 (R-car H3) in the RCAR driver. - Support interrupts on GPIOs 16 thru 31 in the DaVinci driver. - Some consolidation and new support in the MPC8xxx driver, we now support MPC5125. - Preempt-RT-friendly patches: the OMAP, MPC8xxx, drivers uses raw spinlocks making it work better with the realime patches. - Interrupt support for the EXTRAXFS GPIO driver. - Make the ETRAXFS GPIO driver support also ARTPEC-3. - Interrupt and wakeup support for the BRCMSTB driver, also for wakeup from S5 cold boot. - Mask MXC IRQs during suspend. - Improve OMAP2 GPIO set_debounce() to work according to spec. - The VF610 driver handles IRQs properly. New drivers: - ZTE ZX GPIO driver" * tag 'gpio-v4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (87 commits) Revert "gpio: extraxfs: fix returnvar.cocci warnings" gpio: tc3589x: use static container helper gpio: xlp: fix error return code gpio: vf610: handle level IRQ's properly gpio: max732x: Fix error handling in probe() gpio: omap: fix clk_prepare/unprepare usage gpio: omap: protect regs access in omap_gpio_irq_handler gpio: omap: fix omap2_set_gpio_debounce gpio: omap: switch to use platform_get_irq gpio: omap: remove wrong irq_domain_remove usage in probe gpiolib: add description for gpio irqchip fields in struct gpio_chip gpio: extraxfs: fix returnvar.cocci warnings gpiolib: irqchip: use different lockdep class for each gpio irqchip gpio/grgpio: fix deadlock in grgpio_irq_unmap() Documentation: gpio: consumer: describe active low property gpio: mxc: fix section mismatch warning gpio/mxc: mask gpio interrupts in suspend gpio: omap: Fix missing raw locks conversion gpio: brcmstb: support wakeup from S5 cold boot gpio: brcmstb: Add interrupt and wakeup source support ...
| * gpio: zx: Add ZTE zx296702 GPIO supportJun Nie2015-07-161-0/+1
| | | | | | | | | | | | | | | | Add ZTE zx296702 GPIO controller support Signed-off-by: Jun Nie <jun.nie@linaro.org> Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | MIPS: ath79: Move the GPIO driver to drivers/gpioAlban Bedel2015-09-031-0/+1
|/ | | | | | | | | | | | | | GPIO drivers should be in drivers/gpio Signed-off-by: Alban Bedel <albeu@free.fr> Acked-by: Linus Walleij <linus.walleij@linaro.org> Cc: linux-gpio@vger.kernel.org Cc: Alexandre Courbot <gnurou@gmail.com> Cc: Gabor Juhos <juhosg@openwrt.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/10597/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* gpio: add ETRAXFS GPIO driverRabin Vincent2015-06-101-0/+1
| | | | | | | Add a GPIO driver for the General I/O block on Axis ETRAX FS SoCs. Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: Add GPIO support for Broadcom STB SoCsGregory Fong2015-06-021-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | This adds support for the GPIO IP "UPG GIO" used on Broadcom STB SoCs (BCM7XXX and some others). Uses basic_mmio_gpio to instantiate a gpio_chip for each bank. The driver assumes that it handles the base set of GPIOs on the system and that it can start its numbering sequence from 0, so any GPIO expanders used with it must dynamically assign GPIO numbers after this driver has finished registering its GPIOs. Does not implement the interrupt-controller portion yet, will be done in a future commit. v2: - change include to use <linux/gpio/driver.h> instead of <linux/gpio.h> - get rid of unnecessary imask member in struct bank - rename GPIO_PER_BANK -> MAX_GPIO_PER_BANK - always have 32 GPIOs per bank and add 'width' member in struct bank to hold actual number of GPIOs in use - mark of_match table as const List-usage-fixed-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Gregory Fong <gregory.0xf0@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: xlp: GPIO controller for Netlogic XLP SoCsKamlakant Patel2015-05-061-0/+1
| | | | | | | | | | Add GPIO controller driver for Netlogic XLP MIPS64 SOCs. This driver is instantiated by device tree and supports interrupts for GPIOs. Signed-off-by: Kamlakant Patel <kamlakant.patel@broadcom.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: add lpc18xx gpio driverJoachim Eastwood2015-05-051-0/+1
| | | | | | | Driver for the GPIO block found on NXP LPC18xx/43xx devices. Signed-off-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* Merge tag 'armsoc-cleanup' of ↵Linus Torvalds2015-04-221-1/+0
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC cleanups from Olof Johansson: "We've got a fairly large cleanup branch this time. The bulk of this is removal of non-DT platforms of several flavors: - Atmel at91 platforms go full-DT, with removal of remaining board-file based support - OMAP removes legacy board files for three more platforms - removal of non-DT mach-msm, newer Qualcomm platforms now live in mach-qcom - Freescale i.MX25 also removes non-DT platform support" Most of the rest of the changes here are fallout from the above, i.e. for example removal of drivers that now lack platforms, etc. * tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (58 commits) mmc: Remove msm_sdcc driver gpio: Remove gpio-msm-v1 driver ARM: Remove mach-msm and associated ARM architecture code ARM: shmobile: cpuidle: Remove the pointless default driver ARM: davinci: dm646x: Add interrupt resource for McASPs ARM: davinci: irqs: Correct McASP1 TX interrupt definition for DM646x ARM: davinci: dm646x: Clean up the McASP DMA resources ARM: davinci: devices-da8xx: Add support for McASP2 on da830 ARM: davinci: devices-da8xx: Clean up and correct the McASP device creation ARM: davinci: devices-da8xx: Add interrupt resource to McASP structs ARM: davinci: devices-da8xx: Add resource name for the McASP DMA request ARM: OMAP2+: Remove legacy support for omap3 TouchBook ARM: OMAP3: Remove legacy support for devkit8000 ARM: OMAP3: Remove legacy support for EMA-Tech Stalker board ARM: shmobile: Consolidate the pm code for R-Car Gen2 ARM: shmobile: r8a7791: Correct SYSCIER value ARM: shmobile: r8a7790: Correct SYSCIER value ARM: at91: remove old setup ARM: at91: sama5d4: remove useless map_io ARM: at91: sama5 use SoC detection infrastructure ...
| * gpio: Remove gpio-msm-v1 driverStephen Boyd2015-03-271-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This driver is orphaned now that mach-msm has been removed. Delete it. Cc: David Brown <davidb@codeaurora.org> Cc: Bryan Huntsman <bryanh@codeaurora.org> Cc: Daniel Walker <dwalker@fifo99.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Kumar Gala <galak@codeaurora.org>
* | MIPS: Move Loongson GPIO driver to drivers/gpioHuacai Chen2015-04-071-0/+1
| | | | | | | | | | | | | | | | | | Move Loongson-2's GPIO driver to drivers/gpio and add Kconfig options. Acked-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Huacai Chen <chenhc@lemote.com> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | drivers/gpio: Altera soft IP GPIO driverTien Hock Loh2015-03-071-0/+1
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adds a new driver for Altera soft GPIO IP. The driver is able to do read/write and allows GPIO to be a interrupt controller. Tested on Altera GHRD on interrupt handling and IO. v10: - Updated conflicting device tree parameters - Removed unused headers - Used macro instead of magic numbers for ngpio - Code readability cleanup using ?: and temporal variables - Removed leftover garbage and unnecessary function calls - Checked bgpio_init but unusable because Altera GPIO may not be a multiple of 8 bits v9: - Removed duplicated initialization on set_type using temporals to improve code readability in calling generic_handle_irq - Using ?: ternary to reduce code size v8: - Using for_each_set_bit - Added const for struct definition - Removed naggy pr_err - Sort alpha header - Remove unused macros - Use fixed width data types instead of unsigned long - Whitespace issue fixes - Removed _relaxed function for better compatibility across different CPU - Changed irq_create_mapping to platform_get_irq updated implementation to use gpiochip_irqchip_add - Reserve interrupt-cells number 2 in device tree binding for future use - Remove confusing sections on devicetree bindings - Added tristate Kconfig help text v7: - Used dev_warn instead of pr_warn - Clean up unnecesarry if else indentation v6: - Added irq_startup and irq_shutdown - Changed bitwise clamping style - Cleanup bitwise operation to improve readability change naming of mapped irqs from virq to mapped_irq v5: - Dispose irq_domain mapping correctly - Update optional binding description in binding docs v4: - Added vendor prefix to devicetree binding for IP specific properties using MMIO GPIO helper library instead of manually map PIO to memory - altera_gpio_chip inline struct documentation to kerneldoc - Using dev_ print to print a better failure message v2, v3: - Do not reference NO_IRQ - Updated irq_set_type to only allow the hardware configured irq type Signed-off-by: Tien Hock Loh <thloh@altera.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: Add Fujitsu MB86S7x GPIO driverJassi Brar2015-01-201-0/+1
| | | | | | | | | | Driver for Fujitsu MB86S7x SoCs that have a memory mapped GPIO controller. Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org> Signed-off-by: Andy Green <andy.green@linaro.org> Signed-off-by: Vincent Yang <Vincent.Yang@tw.fujitsu.com> Signed-off-by: Tetsuya Nuriya <nuriya.tetsuya@jp.fujitsu.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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