Merge tag 'mfd-for-linus-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Changes to existing drivers:
   - fixr platform device collision; da9052, wm8994-core
   - regmap configuration amendments; tps65218
   - fix runtime PM deadlock; rtsx_usb
   - remove unused/superfluous code; db8500-prcmu, omap-usb-host
   - enable watchdog timer; lpc_sch
   - add start/stop RX URBs helpers; dln2
   - remove platform device (DT only); max77686, max77802
   - support suspend and resume; dln2
   - add Device Tree support; da9063
   - extra error checking; intel_soc_pmic
   - const'ify all the things; 88pm860x, hi6421-pmic, intel_soc_pmic,
                               max77686, lm3533, retu, pcf50633,
                               davinci_voicecodec, smsc-ece1099,
                               tps65218, mc13xxx, tps65217, twl-core,
                               twl6040

  New drivers/supported devices:
   - new driver for Richtek RT5033
   - new driver for DA9150 Charger and FuelGauge
   - new driver for Qualcomm Resource Power Manager (RPM)
   - add support for the ir-clk into sun6i-prcm
   - add support for FuelGauge into axp20x"

* tag 'mfd-for-linus-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (32 commits)
  mfd: intel_soc_pmic: Add missing error check for devm_kzalloc
  mfd: rtsx_usb: Defer autosuspend while card exists
  mfd: devicetree: Add bindings for DA9063
  mfd: da9063: Add device tree support
  regulator: qcom-rpm: Add missing state flag in call to RPM
  mfd: qcom-rpm: Driver for the Qualcomm RPM
  mfd: devicetree: bindings: Add Qualcomm RPM DT binding
  mfd: max77686/802: Remove support for board files
  mfd: omap-usb-host: Remove some unused functions
  mfd: twl6040: Constify struct regmap_config and reg_default array
  mfd: twl-core: Constify struct regmap_config and reg_default array
  mfd: tps65217: Constify struct regmap_config
  mfd: mc13xxx: i2c/spi: Constify struct regmap_config
  mfd: tps65218: Constify struct regmap_config
  mfd: smsc-ece1099: Constify struct regmap_config
  mfd: davinci_voicecodec: Constify struct regmap_config
  mfd: pcf50633: Constify struct regmap_config
  mfd: retu: Constify struct regmap_config
  mfd: lm3533: Constify struct regmap_config
  mfd: max77686: Constify struct regmap_config
  ...

31 files changed, 1311 insertions, 78 deletions

diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c
index 3a26045..d2a85cd 100644
--- a/drivers/mfd/88pm860x-core.c
+++ b/drivers/mfd/88pm860x-core.c
@@ -1111,7 +1111,7 @@ static int verify_addr(struct i2c_client *i2c)
 	return 0;
 }
 
-static struct regmap_config pm860x_regmap_config = {
+static const struct regmap_config pm860x_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 };
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 2e6b731..38356e3 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -195,6 +195,18 @@ config MFD_DA9063
 	  Additional drivers must be enabled in order to use the functionality
 	  of the device.
 
+config MFD_DA9150
+	tristate "Dialog Semiconductor DA9150 Charger Fuel-Gauge chip"
+	depends on I2C=y
+	select MFD_CORE
+	select REGMAP_I2C
+	select REGMAP_IRQ
+	help
+	  This adds support for the DA9150 integrated charger and fuel-gauge
+	  chip. This driver provides common support for accessing the device.
+	  Additional drivers must be enabled in order to use the specific
+	  features of the device.
+
 config MFD_DLN2
 	tristate "Diolan DLN2 support"
 	select MFD_CORE
@@ -417,6 +429,7 @@ config MFD_MAX14577
 config MFD_MAX77686
 	bool "Maxim Semiconductor MAX77686/802 PMIC Support"
 	depends on I2C=y
+	depends on OF
 	select MFD_CORE
 	select REGMAP_I2C
 	select REGMAP_IRQ
@@ -589,6 +602,20 @@ config MFD_PM8921_CORE
 	  Say M here if you want to include support for PM8921 chip as a module.
 	  This will build a module called "pm8921-core".
 
+config MFD_QCOM_RPM
+	tristate "Qualcomm Resource Power Manager (RPM)"
+	depends on ARCH_QCOM && OF
+	help
+	  If you say yes to this option, support will be included for the
+	  Resource Power Manager system found in the Qualcomm 8660, 8960 and
+	  8064 based devices.
+
+	  This is required to access many regulators, clocks and bus
+	  frequencies controlled by the RPM on these devices.
+
+	  Say M here if you want to include support for the Qualcomm RPM as a
+	  module. This will build a module called "qcom_rpm".
+
 config MFD_SPMI_PMIC
 	tristate "Qualcomm SPMI PMICs"
 	depends on ARCH_QCOM || COMPILE_TEST
@@ -623,6 +650,18 @@ config MFD_RTSX_PCI
 	  types of memory cards, such as Memory Stick, Memory Stick Pro,
 	  Secure Digital and MultiMediaCard.
 
+config MFD_RT5033
+	tristate "Richtek RT5033 Power Management IC"
+	depends on I2C=y
+	select MFD_CORE
+	select REGMAP_I2C
+	help
+	  This driver provides for the Richtek RT5033 Power Management IC,
+	  which includes the I2C driver and the Core APIs. This driver provides
+	  common support for accessing the device. The device supports multiple
+	  sub-devices like charger, fuel gauge, flash LED, current source,
+	  LDO and Buck.
+
 config MFD_RTSX_USB
 	tristate "Realtek USB card reader"
 	depends on USB
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 53467e2..19f3d74 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -113,7 +113,7 @@ obj-$(CONFIG_MFD_DA9055)	+= da9055.o
 
 da9063-objs			:= da9063-core.o da9063-irq.o da9063-i2c.o
 obj-$(CONFIG_MFD_DA9063)	+= da9063.o
-
+obj-$(CONFIG_MFD_DA9150)	+= da9150-core.o
 obj-$(CONFIG_MFD_MAX14577)	+= max14577.o
 obj-$(CONFIG_MFD_MAX77686)	+= max77686.o
 obj-$(CONFIG_MFD_MAX77693)	+= max77693.o
@@ -153,6 +153,7 @@ obj-$(CONFIG_MFD_SI476X_CORE)	+= si476x-core.o
 obj-$(CONFIG_MFD_CS5535)	+= cs5535-mfd.o
 obj-$(CONFIG_MFD_OMAP_USB_HOST)	+= omap-usb-host.o omap-usb-tll.o
 obj-$(CONFIG_MFD_PM8921_CORE) 	+= pm8921-core.o ssbi.o
+obj-$(CONFIG_MFD_QCOM_RPM)	+= qcom_rpm.o
 obj-$(CONFIG_MFD_SPMI_PMIC)	+= qcom-spmi-pmic.o
 obj-$(CONFIG_TPS65911_COMPARATOR)	+= tps65911-comparator.o
 obj-$(CONFIG_MFD_TPS65090)	+= tps65090.o
@@ -176,6 +177,7 @@ obj-$(CONFIG_MFD_IPAQ_MICRO)	+= ipaq-micro.o
 obj-$(CONFIG_MFD_MENF21BMC)	+= menf21bmc.o
 obj-$(CONFIG_MFD_HI6421_PMIC)	+= hi6421-pmic-core.o
 obj-$(CONFIG_MFD_DLN2)		+= dln2.o
+obj-$(CONFIG_MFD_RT5033)	+= rt5033.o
 
 intel-soc-pmic-objs		:= intel_soc_pmic_core.o intel_soc_pmic_crc.o
 obj-$(CONFIG_INTEL_SOC_PMIC)	+= intel-soc-pmic.o
diff --git a/drivers/mfd/da9063-core.c b/drivers/mfd/da9063-core.c
index f38bc98..facd361 100644
--- a/drivers/mfd/da9063-core.c
+++ b/drivers/mfd/da9063-core.c
@@ -86,6 +86,7 @@ static const struct mfd_cell da9063_devs[] = {
 	},
 	{
 		.name		= DA9063_DRVNAME_WATCHDOG,
+		.of_compatible	= "dlg,da9063-watchdog",
 	},
 	{
 		.name		= DA9063_DRVNAME_HWMON,
@@ -101,6 +102,7 @@ static const struct mfd_cell da9063_devs[] = {
 		.name		= DA9063_DRVNAME_RTC,
 		.num_resources	= ARRAY_SIZE(da9063_rtc_resources),
 		.resources	= da9063_rtc_resources,
+		.of_compatible	= "dlg,da9063-rtc",
 	},
 	{
 		.name		= DA9063_DRVNAME_VIBRATION,
diff --git a/drivers/mfd/da9063-i2c.c b/drivers/mfd/da9063-i2c.c
index 21fd8d9..6f3a7c0 100644
--- a/drivers/mfd/da9063-i2c.c
+++ b/drivers/mfd/da9063-i2c.c
@@ -25,6 +25,9 @@
 #include <linux/mfd/da9063/pdata.h>
 #include <linux/mfd/da9063/registers.h>
 
+#include <linux/of.h>
+#include <linux/regulator/of_regulator.h>
+
 static const struct regmap_range da9063_ad_readable_ranges[] = {
 	{
 		.range_min = DA9063_REG_PAGE_CON,
@@ -203,6 +206,11 @@ static struct regmap_config da9063_regmap_config = {
 	.cache_type = REGCACHE_RBTREE,
 };
 
+static const struct of_device_id da9063_dt_ids[] = {
+	{ .compatible = "dlg,da9063", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, da9063_dt_ids);
 static int da9063_i2c_probe(struct i2c_client *i2c,
 	const struct i2c_device_id *id)
 {
@@ -257,6 +265,7 @@ static struct i2c_driver da9063_i2c_driver = {
 	.driver = {
 		.name = "da9063",
 		.owner = THIS_MODULE,
+		.of_match_table = of_match_ptr(da9063_dt_ids),
 	},
 	.probe    = da9063_i2c_probe,
 	.remove   = da9063_i2c_remove,
diff --git a/drivers/mfd/da9150-core.c b/drivers/mfd/da9150-core.c
new file mode 100644
index 0000000..4d757b9
--- /dev/null
+++ b/drivers/mfd/da9150-core.c
@@ -0,0 +1,413 @@
+/*
+ * DA9150 Core MFD Driver
+ *
+ * Copyright (c) 2014 Dialog Semiconductor
+ *
+ * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/da9150/core.h>
+#include <linux/mfd/da9150/registers.h>
+
+static bool da9150_volatile_reg(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case DA9150_PAGE_CON:
+	case DA9150_STATUS_A:
+	case DA9150_STATUS_B:
+	case DA9150_STATUS_C:
+	case DA9150_STATUS_D:
+	case DA9150_STATUS_E:
+	case DA9150_STATUS_F:
+	case DA9150_STATUS_G:
+	case DA9150_STATUS_H:
+	case DA9150_STATUS_I:
+	case DA9150_STATUS_J:
+	case DA9150_STATUS_K:
+	case DA9150_STATUS_L:
+	case DA9150_STATUS_N:
+	case DA9150_FAULT_LOG_A:
+	case DA9150_FAULT_LOG_B:
+	case DA9150_EVENT_E:
+	case DA9150_EVENT_F:
+	case DA9150_EVENT_G:
+	case DA9150_EVENT_H:
+	case DA9150_CONTROL_B:
+	case DA9150_CONTROL_C:
+	case DA9150_GPADC_MAN:
+	case DA9150_GPADC_RES_A:
+	case DA9150_GPADC_RES_B:
+	case DA9150_ADETVB_CFG_C:
+	case DA9150_ADETD_STAT:
+	case DA9150_ADET_CMPSTAT:
+	case DA9150_ADET_CTRL_A:
+	case DA9150_PPR_TCTR_B:
+	case DA9150_COREBTLD_STAT_A:
+	case DA9150_CORE_DATA_A:
+	case DA9150_CORE_DATA_B:
+	case DA9150_CORE_DATA_C:
+	case DA9150_CORE_DATA_D:
+	case DA9150_CORE2WIRE_STAT_A:
+	case DA9150_FW_CTRL_C:
+	case DA9150_FG_CTRL_B:
+	case DA9150_FW_CTRL_B:
+	case DA9150_GPADC_CMAN:
+	case DA9150_GPADC_CRES_A:
+	case DA9150_GPADC_CRES_B:
+	case DA9150_CC_ICHG_RES_A:
+	case DA9150_CC_ICHG_RES_B:
+	case DA9150_CC_IAVG_RES_A:
+	case DA9150_CC_IAVG_RES_B:
+	case DA9150_TAUX_CTRL_A:
+	case DA9150_TAUX_VALUE_H:
+	case DA9150_TAUX_VALUE_L:
+	case DA9150_TBAT_RES_A:
+	case DA9150_TBAT_RES_B:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static const struct regmap_range_cfg da9150_range_cfg[] = {
+	{
+		.range_min = DA9150_PAGE_CON,
+		.range_max = DA9150_TBAT_RES_B,
+		.selector_reg = DA9150_PAGE_CON,
+		.selector_mask = DA9150_I2C_PAGE_MASK,
+		.selector_shift = DA9150_I2C_PAGE_SHIFT,
+		.window_start = 0,
+		.window_len = 256,
+	},
+};
+
+static struct regmap_config da9150_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.ranges = da9150_range_cfg,
+	.num_ranges = ARRAY_SIZE(da9150_range_cfg),
+	.max_register = DA9150_TBAT_RES_B,
+
+	.cache_type = REGCACHE_RBTREE,
+
+	.volatile_reg = da9150_volatile_reg,
+};
+
+u8 da9150_reg_read(struct da9150 *da9150, u16 reg)
+{
+	int val, ret;
+
+	ret = regmap_read(da9150->regmap, reg, &val);
+	if (ret)
+		dev_err(da9150->dev, "Failed to read from reg 0x%x: %d\n",
+			reg, ret);
+
+	return (u8) val;
+}
+EXPORT_SYMBOL_GPL(da9150_reg_read);
+
+void da9150_reg_write(struct da9150 *da9150, u16 reg, u8 val)
+{
+	int ret;
+
+	ret = regmap_write(da9150->regmap, reg, val);
+	if (ret)
+		dev_err(da9150->dev, "Failed to write to reg 0x%x: %d\n",
+			reg, ret);
+}
+EXPORT_SYMBOL_GPL(da9150_reg_write);
+
+void da9150_set_bits(struct da9150 *da9150, u16 reg, u8 mask, u8 val)
+{
+	int ret;
+
+	ret = regmap_update_bits(da9150->regmap, reg, mask, val);
+	if (ret)
+		dev_err(da9150->dev, "Failed to set bits in reg 0x%x: %d\n",
+			reg, ret);
+}
+EXPORT_SYMBOL_GPL(da9150_set_bits);
+
+void da9150_bulk_read(struct da9150 *da9150, u16 reg, int count, u8 *buf)
+{
+	int ret;
+
+	ret = regmap_bulk_read(da9150->regmap, reg, buf, count);
+	if (ret)
+		dev_err(da9150->dev, "Failed to bulk read from reg 0x%x: %d\n",
+			reg, ret);
+}
+EXPORT_SYMBOL_GPL(da9150_bulk_read);
+
+void da9150_bulk_write(struct da9150 *da9150, u16 reg, int count, const u8 *buf)
+{
+	int ret;
+
+	ret = regmap_raw_write(da9150->regmap, reg, buf, count);
+	if (ret)
+		dev_err(da9150->dev, "Failed to bulk write to reg 0x%x %d\n",
+			reg, ret);
+}
+EXPORT_SYMBOL_GPL(da9150_bulk_write);
+
+static struct regmap_irq da9150_irqs[] = {
+	[DA9150_IRQ_VBUS] = {
+		.reg_offset = 0,
+		.mask = DA9150_E_VBUS_MASK,
+	},
+	[DA9150_IRQ_CHG] = {
+		.reg_offset = 0,
+		.mask = DA9150_E_CHG_MASK,
+	},
+	[DA9150_IRQ_TCLASS] = {
+		.reg_offset = 0,
+		.mask = DA9150_E_TCLASS_MASK,
+	},
+	[DA9150_IRQ_TJUNC] = {
+		.reg_offset = 0,
+		.mask = DA9150_E_TJUNC_MASK,
+	},
+	[DA9150_IRQ_VFAULT] = {
+		.reg_offset = 0,
+		.mask = DA9150_E_VFAULT_MASK,
+	},
+	[DA9150_IRQ_CONF] = {
+		.reg_offset = 1,
+		.mask = DA9150_E_CONF_MASK,
+	},
+	[DA9150_IRQ_DAT] = {
+		.reg_offset = 1,
+		.mask = DA9150_E_DAT_MASK,
+	},
+	[DA9150_IRQ_DTYPE] = {
+		.reg_offset = 1,
+		.mask = DA9150_E_DTYPE_MASK,
+	},
+	[DA9150_IRQ_ID] = {
+		.reg_offset = 1,
+		.mask = DA9150_E_ID_MASK,
+	},
+	[DA9150_IRQ_ADP] = {
+		.reg_offset = 1,
+		.mask = DA9150_E_ADP_MASK,
+	},
+	[DA9150_IRQ_SESS_END] = {
+		.reg_offset = 1,
+		.mask = DA9150_E_SESS_END_MASK,
+	},
+	[DA9150_IRQ_SESS_VLD] = {
+		.reg_offset = 1,
+		.mask = DA9150_E_SESS_VLD_MASK,
+	},
+	[DA9150_IRQ_FG] = {
+		.reg_offset = 2,
+		.mask = DA9150_E_FG_MASK,
+	},
+	[DA9150_IRQ_GP] = {
+		.reg_offset = 2,
+		.mask = DA9150_E_GP_MASK,
+	},
+	[DA9150_IRQ_TBAT] = {
+		.reg_offset = 2,
+		.mask = DA9150_E_TBAT_MASK,
+	},
+	[DA9150_IRQ_GPIOA] = {
+		.reg_offset = 2,
+		.mask = DA9150_E_GPIOA_MASK,
+	},
+	[DA9150_IRQ_GPIOB] = {
+		.reg_offset = 2,
+		.mask = DA9150_E_GPIOB_MASK,
+	},
+	[DA9150_IRQ_GPIOC] = {
+		.reg_offset = 2,
+		.mask = DA9150_E_GPIOC_MASK,
+	},
+	[DA9150_IRQ_GPIOD] = {
+		.reg_offset = 2,
+		.mask = DA9150_E_GPIOD_MASK,
+	},
+	[DA9150_IRQ_GPADC] = {
+		.reg_offset = 2,
+		.mask = DA9150_E_GPADC_MASK,
+	},
+	[DA9150_IRQ_WKUP] = {
+		.reg_offset = 3,
+		.mask = DA9150_E_WKUP_MASK,
+	},
+};
+
+static struct regmap_irq_chip da9150_regmap_irq_chip = {
+	.name = "da9150_irq",
+	.status_base = DA9150_EVENT_E,
+	.mask_base = DA9150_IRQ_MASK_E,
+	.ack_base = DA9150_EVENT_E,
+	.num_regs = DA9150_NUM_IRQ_REGS,
+	.irqs = da9150_irqs,
+	.num_irqs = ARRAY_SIZE(da9150_irqs),
+};
+
+static struct resource da9150_gpadc_resources[] = {
+	{
+		.name = "GPADC",
+		.start = DA9150_IRQ_GPADC,
+		.end = DA9150_IRQ_GPADC,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct resource da9150_charger_resources[] = {
+	{
+		.name = "CHG_STATUS",
+		.start = DA9150_IRQ_CHG,
+		.end = DA9150_IRQ_CHG,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.name = "CHG_TJUNC",
+		.start = DA9150_IRQ_TJUNC,
+		.end = DA9150_IRQ_TJUNC,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.name = "CHG_VFAULT",
+		.start = DA9150_IRQ_VFAULT,
+		.end = DA9150_IRQ_VFAULT,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.name = "CHG_VBUS",
+		.start = DA9150_IRQ_VBUS,
+		.end = DA9150_IRQ_VBUS,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct mfd_cell da9150_devs[] = {
+	{
+		.name = "da9150-gpadc",
+		.of_compatible = "dlg,da9150-gpadc",
+		.resources = da9150_gpadc_resources,
+		.num_resources = ARRAY_SIZE(da9150_gpadc_resources),
+	},
+	{
+		.name = "da9150-charger",
+		.of_compatible = "dlg,da9150-charger",
+		.resources = da9150_charger_resources,
+		.num_resources = ARRAY_SIZE(da9150_charger_resources),
+	},
+};
+
+static int da9150_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
+{
+	struct da9150 *da9150;
+	struct da9150_pdata *pdata = dev_get_platdata(&client->dev);
+	int ret;
+
+	da9150 = devm_kzalloc(&client->dev, sizeof(*da9150), GFP_KERNEL);
+	if (!da9150)
+		return -ENOMEM;
+
+	da9150->dev = &client->dev;
+	da9150->irq = client->irq;
+	i2c_set_clientdata(client, da9150);
+
+	da9150->regmap = devm_regmap_init_i2c(client, &da9150_regmap_config);
+	if (IS_ERR(da9150->regmap)) {
+		ret = PTR_ERR(da9150->regmap);
+		dev_err(da9150->dev, "Failed to allocate register map: %d\n",
+			ret);
+		return ret;
+	}
+
+	da9150->irq_base = pdata ? pdata->irq_base : -1;
+
+	ret = regmap_add_irq_chip(da9150->regmap, da9150->irq,
+				  IRQF_TRIGGER_LOW | IRQF_ONESHOT,
+				  da9150->irq_base, &da9150_regmap_irq_chip,
+				  &da9150->regmap_irq_data);
+	if (ret)
+		return ret;
+
+	da9150->irq_base = regmap_irq_chip_get_base(da9150->regmap_irq_data);
+	enable_irq_wake(da9150->irq);
+
+	ret = mfd_add_devices(da9150->dev, -1, da9150_devs,
+			      ARRAY_SIZE(da9150_devs), NULL,
+			      da9150->irq_base, NULL);
+	if (ret) {
+		dev_err(da9150->dev, "Failed to add child devices: %d\n", ret);
+		regmap_del_irq_chip(da9150->irq, da9150->regmap_irq_data);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int da9150_remove(struct i2c_client *client)
+{
+	struct da9150 *da9150 = i2c_get_clientdata(client);
+
+	regmap_del_irq_chip(da9150->irq, da9150->regmap_irq_data);
+	mfd_remove_devices(da9150->dev);
+
+	return 0;
+}
+
+static void da9150_shutdown(struct i2c_client *client)
+{
+	struct da9150 *da9150 = i2c_get_clientdata(client);
+
+	/* Make sure we have a wakup source for the device */
+	da9150_set_bits(da9150, DA9150_CONFIG_D,
+			DA9150_WKUP_PM_EN_MASK,
+			DA9150_WKUP_PM_EN_MASK);
+
+	/* Set device to DISABLED mode */
+	da9150_set_bits(da9150, DA9150_CONTROL_C,
+			DA9150_DISABLE_MASK, DA9150_DISABLE_MASK);
+}
+
+static const struct i2c_device_id da9150_i2c_id[] = {
+	{ "da9150", },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, da9150_i2c_id);
+
+static const struct of_device_id da9150_of_match[] = {
+	{ .compatible = "dlg,da9150", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, da9150_of_match);
+
+static struct i2c_driver da9150_driver = {
+	.driver	= {
+		.name	= "da9150",
+		.of_match_table = of_match_ptr(da9150_of_match),
+	},
+	.probe		= da9150_probe,
+	.remove		= da9150_remove,
+	.shutdown	= da9150_shutdown,
+	.id_table	= da9150_i2c_id,
+};
+
+module_i2c_driver(da9150_driver);
+
+MODULE_DESCRIPTION("MFD Core Driver for DA9150");
+MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/davinci_voicecodec.c b/drivers/mfd/davinci_voicecodec.c
index c835e85..9bbc642 100644
--- a/drivers/mfd/davinci_voicecodec.c
+++ b/drivers/mfd/davinci_voicecodec.c
@@ -33,7 +33,7 @@
 
 #include <linux/mfd/davinci_voicecodec.h>
 
-static struct regmap_config davinci_vc_regmap = {
+static const struct regmap_config davinci_vc_regmap = {
 	.reg_bits = 32,
 	.val_bits = 32,
 };
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index 16162bf..cc1a404 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -675,15 +675,6 @@ bool prcmu_has_arm_maxopp(void)
 }
 
 /**
- * prcmu_get_boot_status - PRCMU boot status checking
- * Returns: the current PRCMU boot status
- */
-int prcmu_get_boot_status(void)
-{
-	return readb(tcdm_base + PRCM_BOOT_STATUS);
-}
-
-/**
  * prcmu_set_rc_a2p - This function is used to run few power state sequences
  * @val: Value to be set, i.e. transition requested
  * Returns: 0 on success, -EINVAL on invalid argument
diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c
index 6d49685..1be9bd1 100644
--- a/drivers/mfd/dln2.c
+++ b/drivers/mfd/dln2.c
@@ -587,12 +587,19 @@ static void dln2_free_rx_urbs(struct dln2_dev *dln2)
 	int i;
 
 	for (i = 0; i < DLN2_MAX_URBS; i++) {
-		usb_kill_urb(dln2->rx_urb[i]);
 		usb_free_urb(dln2->rx_urb[i]);
 		kfree(dln2->rx_buf[i]);
 	}
 }
 
+static void dln2_stop_rx_urbs(struct dln2_dev *dln2)
+{
+	int i;
+
+	for (i = 0; i < DLN2_MAX_URBS; i++)
+		usb_kill_urb(dln2->rx_urb[i]);
+}
+
 static void dln2_free(struct dln2_dev *dln2)
 {
 	dln2_free_rx_urbs(dln2);
@@ -604,9 +611,7 @@ static int dln2_setup_rx_urbs(struct dln2_dev *dln2,
 			      struct usb_host_interface *hostif)
 {
 	int i;
-	int ret;
 	const int rx_max_size = DLN2_RX_BUF_SIZE;
-	struct device *dev = &dln2->interface->dev;
 
 	for (i = 0; i < DLN2_MAX_URBS; i++) {
 		dln2->rx_buf[i] = kmalloc(rx_max_size, GFP_KERNEL);
@@ -620,8 +625,19 @@ static int dln2_setup_rx_urbs(struct dln2_dev *dln2,
 		usb_fill_bulk_urb(dln2->rx_urb[i], dln2->usb_dev,
 				  usb_rcvbulkpipe(dln2->usb_dev, dln2->ep_in),
 				  dln2->rx_buf[i], rx_max_size, dln2_rx, dln2);
+	}
 
-		ret = usb_submit_urb(dln2->rx_urb[i], GFP_KERNEL);
+	return 0;
+}
+
+static int dln2_start_rx_urbs(struct dln2_dev *dln2, gfp_t gfp)
+{
+	struct device *dev = &dln2->interface->dev;
+	int ret;
+	int i;
+
+	for (i = 0; i < DLN2_MAX_URBS; i++) {
+		ret = usb_submit_urb(dln2->rx_urb[i], gfp);
 		if (ret < 0) {
 			dev_err(dev, "failed to submit RX URB: %d\n", ret);
 			return ret;
@@ -665,9 +681,8 @@ static const struct mfd_cell dln2_devs[] = {
 	},
 };
 
-static void dln2_disconnect(struct usb_interface *interface)
+static void dln2_stop(struct dln2_dev *dln2)
 {
-	struct dln2_dev *dln2 = usb_get_intfdata(interface);
 	int i, j;
 
 	/* don't allow starting new transfers */
@@ -696,6 +711,15 @@ static void dln2_disconnect(struct usb_interface *interface)
 	/* wait for transfers to end */
 	wait_event(dln2->disconnect_wq, !dln2->active_transfers);
 
+	dln2_stop_rx_urbs(dln2);
+}
+
+static void dln2_disconnect(struct usb_interface *interface)
+{
+	struct dln2_dev *dln2 = usb_get_intfdata(interface);
+
+	dln2_stop(dln2);
+
 	mfd_remove_devices(&interface->dev);
 
 	dln2_free(dln2);
@@ -738,28 +762,53 @@ static int dln2_probe(struct usb_interface *interface,
 
 	ret = dln2_setup_rx_urbs(dln2, hostif);
 	if (ret)
-		goto out_cleanup;
+		goto out_free;
+
+	ret = dln2_start_rx_urbs(dln2, GFP_KERNEL);
+	if (ret)
+		goto out_stop_rx;
 
 	ret = dln2_hw_init(dln2);
 	if (ret < 0) {
 		dev_err(dev, "failed to initialize hardware\n");
-		goto out_cleanup;
+		goto out_stop_rx;
 	}
 
 	ret = mfd_add_hotplug_devices(dev, dln2_devs, ARRAY_SIZE(dln2_devs));
 	if (ret != 0) {
 		dev_err(dev, "failed to add mfd devices to core\n");
-		goto out_cleanup;
+		goto out_stop_rx;
 	}
 
 	return 0;
 
-out_cleanup:
+out_stop_rx:
+	dln2_stop_rx_urbs(dln2);
+
+out_free:
 	dln2_free(dln2);
 
 	return ret;
 }
 
+static int dln2_suspend(struct usb_interface *iface, pm_message_t message)
+{
+	struct dln2_dev *dln2 = usb_get_intfdata(iface);
+
+	dln2_stop(dln2);
+
+	return 0;
+}
+
+static int dln2_resume(struct usb_interface *iface)
+{
+	struct dln2_dev *dln2 = usb_get_intfdata(iface);
+
+	dln2->disconnect = false;
+
+	return dln2_start_rx_urbs(dln2, GFP_NOIO);
+}
+
 static const struct usb_device_id dln2_table[] = {
 	{ USB_DEVICE(0xa257, 0x2013) },
 	{ }
@@ -772,6 +821,8 @@ static struct usb_driver dln2_driver = {
 	.probe = dln2_probe,
 	.disconnect = dln2_disconnect,
 	.id_table = dln2_table,
+	.suspend = dln2_suspend,
+	.resume = dln2_resume,
 };
 
 module_usb_driver(dln2_driver);
diff --git a/drivers/mfd/hi6421-pmic-core.c b/drivers/mfd/hi6421-pmic-core.c
index 321a265..7210ae2 100644
--- a/drivers/mfd/hi6421-pmic-core.c
+++ b/drivers/mfd/hi6421-pmic-core.c
@@ -35,7 +35,7 @@ static const struct mfd_cell hi6421_devs[] = {
 	{ .name = "hi6421-regulator", },
 };
 
-static struct regmap_config hi6421_regmap_config = {
+static const struct regmap_config hi6421_regmap_config = {
 	.reg_bits = 32,
 	.reg_stride = 4,
 	.val_bits = 8,
diff --git a/drivers/mfd/intel_soc_pmic_core.c b/drivers/mfd/intel_soc_pmic_core.c
index df7b064..80cef04 100644
--- a/drivers/mfd/intel_soc_pmic_core.c
+++ b/drivers/mfd/intel_soc_pmic_core.c
@@ -64,6 +64,9 @@ static int intel_soc_pmic_i2c_probe(struct i2c_client *i2c,
 	config = (struct intel_soc_pmic_config *)id->driver_data;
 
 	pmic = devm_kzalloc(dev, sizeof(*pmic), GFP_KERNEL);
+	if (!pmic)
+		return -ENOMEM;
+
 	dev_set_drvdata(dev, pmic);
 
 	pmic->regmap = devm_regmap_init_i2c(i2c, config->regmap_config);
diff --git a/drivers/mfd/intel_soc_pmic_core.h b/drivers/mfd/intel_soc_pmic_core.h
index 33aacd9..9498d67 100644
--- a/drivers/mfd/intel_soc_pmic_core.h
+++ b/drivers/mfd/intel_soc_pmic_core.h
@@ -23,7 +23,7 @@ struct intel_soc_pmic_config {
 	unsigned long irq_flags;
 	struct mfd_cell *cell_dev;
 	int n_cell_devs;
-	struct regmap_config *regmap_config;
+	const struct regmap_config *regmap_config;
 	struct regmap_irq_chip *irq_chip;
 };
 
diff --git a/drivers/mfd/intel_soc_pmic_crc.c b/drivers/mfd/intel_soc_pmic_crc.c
index c85e2ec..4cc1b32 100644
--- a/drivers/mfd/intel_soc_pmic_crc.c
+++ b/drivers/mfd/intel_soc_pmic_crc.c
@@ -111,7 +111,7 @@ static struct mfd_cell crystal_cove_dev[] = {
 	},
 };
 
-static struct regmap_config crystal_cove_regmap_config = {
+static const struct regmap_config crystal_cove_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 
diff --git a/drivers/mfd/lm3533-core.c b/drivers/mfd/lm3533-core.c
index 8c29f7b..d42fbb6 100644
--- a/drivers/mfd/lm3533-core.c
+++ b/drivers/mfd/lm3533-core.c
@@ -583,7 +583,7 @@ static bool lm3533_precious_register(struct device *dev, unsigned int reg)
 	}
 }
 
-static struct regmap_config regmap_config = {
+static const struct regmap_config regmap_config = {
 	.reg_bits	= 8,
 	.val_bits	= 8,
 	.max_register	= LM3533_REG_MAX,
diff --git a/drivers/mfd/lpc_sch.c b/drivers/mfd/lpc_sch.c
index 5c38df3..a56e4ba 100644
--- a/drivers/mfd/lpc_sch.c
+++ b/drivers/mfd/lpc_sch.c
@@ -75,6 +75,7 @@ static struct lpc_sch_info sch_chipset_info[] = {
 	[LPC_QUARK_X1000] = {
 		.io_size_gpio = GPIO_IO_SIZE,
 		.irq_gpio = GPIO_IRQ_QUARK_X1000,
+		.io_size_wdt = WDT_IO_SIZE,
 	},
 };
 
diff --git a/drivers/mfd/max77686.c b/drivers/mfd/max77686.c
index 929795e..760d08d 100644
--- a/drivers/mfd/max77686.c
+++ b/drivers/mfd/max77686.c
@@ -111,17 +111,17 @@ static bool max77802_is_volatile_reg(struct device *dev, unsigned int reg)
 		max77802_rtc_is_volatile_reg(dev, reg));
 }
 
-static struct regmap_config max77686_regmap_config = {
+static const struct regmap_config max77686_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 };
 
-static struct regmap_config max77686_rtc_regmap_config = {
+static const struct regmap_config max77686_rtc_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 };
 
-static struct regmap_config max77802_regmap_config = {
+static const struct regmap_config max77802_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 	.writeable_reg = max77802_is_accessible_reg,
@@ -205,24 +205,10 @@ static const struct of_device_id max77686_pmic_dt_match[] = {
 	{ },
 };
 
-static struct max77686_platform_data *max77686_i2c_parse_dt_pdata(struct device
-								  *dev)
-{
-	struct max77686_platform_data *pd;
-
-	pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
-	if (!pd)
-		return NULL;
-
-	dev->platform_data = pd;
-	return pd;
-}
-
 static int max77686_i2c_probe(struct i2c_client *i2c,
 			      const struct i2c_device_id *id)
 {
 	struct max77686_dev *max77686 = NULL;
-	struct max77686_platform_data *pdata = dev_get_platdata(&i2c->dev);
 	const struct of_device_id *match;
 	unsigned int data;
 	int ret = 0;
@@ -233,14 +219,6 @@ static int max77686_i2c_probe(struct i2c_client *i2c,
 	const struct mfd_cell *cells;
 	int n_devs;
 
-	if (IS_ENABLED(CONFIG_OF) && i2c->dev.of_node && !pdata)
-		pdata = max77686_i2c_parse_dt_pdata(&i2c->dev);
-
-	if (!pdata) {
-		dev_err(&i2c->dev, "No platform data found.\n");
-		return -EINVAL;
-	}
-
 	max77686 = devm_kzalloc(&i2c->dev,
 				sizeof(struct max77686_dev), GFP_KERNEL);
 	if (!max77686)
@@ -259,7 +237,6 @@ static int max77686_i2c_probe(struct i2c_client *i2c,
 	max77686->dev = &i2c->dev;
 	max77686->i2c = i2c;
 
-	max77686->wakeup = pdata->wakeup;
 	max77686->irq = i2c->irq;
 
 	if (max77686->type == TYPE_MAX77686) {
diff --git a/drivers/mfd/mc13xxx-i2c.c b/drivers/mfd/mc13xxx-i2c.c
index ae3addb..68b8448 100644
--- a/drivers/mfd/mc13xxx-i2c.c
+++ b/drivers/mfd/mc13xxx-i2c.c
@@ -46,7 +46,7 @@ static const struct of_device_id mc13xxx_dt_ids[] = {
 };
 MODULE_DEVICE_TABLE(of, mc13xxx_dt_ids);
 
-static struct regmap_config mc13xxx_regmap_i2c_config = {
+static const struct regmap_config mc13xxx_regmap_i2c_config = {
 	.reg_bits = 8,
 	.val_bits = 24,
 
diff --git a/drivers/mfd/mc13xxx-spi.c b/drivers/mfd/mc13xxx-spi.c
index 702925e..58a170e 100644
--- a/drivers/mfd/mc13xxx-spi.c
+++ b/drivers/mfd/mc13xxx-spi.c
@@ -48,7 +48,7 @@ static const struct of_device_id mc13xxx_dt_ids[] = {
 };
 MODULE_DEVICE_TABLE(of, mc13xxx_dt_ids);
 
-static struct regmap_config mc13xxx_regmap_spi_config = {
+static const struct regmap_config mc13xxx_regmap_spi_config = {
 	.reg_bits = 7,
 	.pad_bits = 1,
 	.val_bits = 24,
diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
index 04cd54dd5..1d924d1 100644
--- a/drivers/mfd/omap-usb-host.c
+++ b/drivers/mfd/omap-usb-host.c
@@ -129,16 +129,6 @@ static inline u32 usbhs_read(void __iomem *base, u32 reg)
 	return readl_relaxed(base + reg);
 }
 
-static inline void usbhs_writeb(void __iomem *base, u8 reg, u8 val)
-{
-	writeb_relaxed(val, base + reg);
-}
-
-static inline u8 usbhs_readb(void __iomem *base, u8 reg)
-{
-	return readb_relaxed(base + reg);
-}
-
 /*-------------------------------------------------------------------------*/
 
 /**
diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index 43664eb..6155d12 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -183,7 +183,7 @@ static int pcf50633_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(pcf50633_pm, pcf50633_suspend, pcf50633_resume);
 
-static struct regmap_config pcf50633_regmap_config = {
+static const struct regmap_config pcf50633_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 };
diff --git a/drivers/mfd/qcom_rpm.c b/drivers/mfd/qcom_rpm.c
new file mode 100644
index 0000000..f696328
--- /dev/null
+++ b/drivers/mfd/qcom_rpm.c
@@ -0,0 +1,581 @@
+/*
+ * Copyright (c) 2014, Sony Mobile Communications AB.
+ * Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ * Author: Bjorn Andersson <bjorn.andersson@sonymobile.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 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/of_platform.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/mfd/qcom_rpm.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
+
+#include <dt-bindings/mfd/qcom-rpm.h>
+
+struct qcom_rpm_resource {
+	unsigned target_id;
+	unsigned status_id;
+	unsigned select_id;
+	unsigned size;
+};
+
+struct qcom_rpm_data {
+	u32 version;
+	const struct qcom_rpm_resource *resource_table;
+	unsigned n_resources;
+};
+
+struct qcom_rpm {
+	struct device *dev;
+	struct regmap *ipc_regmap;
+	unsigned ipc_offset;
+	unsigned ipc_bit;
+
+	struct completion ack;
+	struct mutex lock;
+
+	void __iomem *status_regs;
+	void __iomem *ctrl_regs;
+	void __iomem *req_regs;
+
+	u32 ack_status;
+
+	const struct qcom_rpm_data *data;
+};
+
+#define RPM_STATUS_REG(rpm, i)	((rpm)->status_regs + (i) * 4)
+#define RPM_CTRL_REG(rpm, i)	((rpm)->ctrl_regs + (i) * 4)
+#define RPM_REQ_REG(rpm, i)	((rpm)->req_regs + (i) * 4)
+
+#define RPM_REQUEST_TIMEOUT	(5 * HZ)
+
+#define RPM_REQUEST_CONTEXT	3
+#define RPM_REQ_SELECT		11
+#define RPM_ACK_CONTEXT		15
+#define RPM_ACK_SELECTOR	23
+#define RPM_SELECT_SIZE		7
+
+#define RPM_NOTIFICATION	BIT(30)
+#define RPM_REJECTED		BIT(31)
+
+#define RPM_SIGNAL		BIT(2)
+
+static const struct qcom_rpm_resource apq8064_rpm_resource_table[] = {
+	[QCOM_RPM_CXO_CLK] =			{ 25, 9, 5, 1 },
+	[QCOM_RPM_PXO_CLK] =			{ 26, 10, 6, 1 },
+	[QCOM_RPM_APPS_FABRIC_CLK] =		{ 27, 11, 8, 1 },
+	[QCOM_RPM_SYS_FABRIC_CLK] =		{ 28, 12, 9, 1 },
+	[QCOM_RPM_MM_FABRIC_CLK] =		{ 29, 13, 10, 1 },
+	[QCOM_RPM_DAYTONA_FABRIC_CLK] =		{ 30, 14, 11, 1 },
+	[QCOM_RPM_SFPB_CLK] =			{ 31, 15, 12, 1 },
+	[QCOM_RPM_CFPB_CLK] =			{ 32, 16, 13, 1 },
+	[QCOM_RPM_MMFPB_CLK] =			{ 33, 17, 14, 1 },
+	[QCOM_RPM_EBI1_CLK] =			{ 34, 18, 16, 1 },
+	[QCOM_RPM_APPS_FABRIC_HALT] =		{ 35, 19, 18, 1 },
+	[QCOM_RPM_APPS_FABRIC_MODE] =		{ 37, 20, 19, 1 },
+	[QCOM_RPM_APPS_FABRIC_IOCTL] =		{ 40, 21, 20, 1 },
+	[QCOM_RPM_APPS_FABRIC_ARB] =		{ 41, 22, 21, 12 },
+	[QCOM_RPM_SYS_FABRIC_HALT] =		{ 53, 23, 22, 1 },
+	[QCOM_RPM_SYS_FABRIC_MODE] =		{ 55, 24, 23, 1 },
+	[QCOM_RPM_SYS_FABRIC_IOCTL] =		{ 58, 25, 24, 1 },
+	[QCOM_RPM_SYS_FABRIC_ARB] =		{ 59, 26, 25, 30 },
+	[QCOM_RPM_MM_FABRIC_HALT] =		{ 89, 27, 26, 1 },
+	[QCOM_RPM_MM_FABRIC_MODE] =		{ 91, 28, 27, 1 },
+	[QCOM_RPM_MM_FABRIC_IOCTL] =		{ 94, 29, 28, 1 },
+	[QCOM_RPM_MM_FABRIC_ARB] =		{ 95, 30, 29, 21 },
+	[QCOM_RPM_PM8921_SMPS1] =		{ 116, 31, 30, 2 },
+	[QCOM_RPM_PM8921_SMPS2] =		{ 118, 33, 31, 2 },
+	[QCOM_RPM_PM8921_SMPS3] =		{ 120, 35, 32, 2 },
+	[QCOM_RPM_PM8921_SMPS4] =		{ 122, 37, 33, 2 },
+	[QCOM_RPM_PM8921_SMPS5] =		{ 124, 39, 34, 2 },
+	[QCOM_RPM_PM8921_SMPS6] =		{ 126, 41, 35, 2 },
+	[QCOM_RPM_PM8921_SMPS7] =		{ 128, 43, 36, 2 },
+	[QCOM_RPM_PM8921_SMPS8] =		{ 130, 45, 37, 2 },
+	[QCOM_RPM_PM8921_LDO1] =		{ 132, 47, 38, 2 },
+	[QCOM_RPM_PM8921_LDO2] =		{ 134, 49, 39, 2 },
+	[QCOM_RPM_PM8921_LDO3] =		{ 136, 51, 40, 2 },
+	[QCOM_RPM_PM8921_LDO4] =		{ 138, 53, 41, 2 },
+	[QCOM_RPM_PM8921_LDO5] =		{ 140, 55, 42, 2 },
+	[QCOM_RPM_PM8921_LDO6] =		{ 142, 57, 43, 2 },
+	[QCOM_RPM_PM8921_LDO7] =		{ 144, 59, 44, 2 },
+	[QCOM_RPM_PM8921_LDO8] =		{ 146, 61, 45, 2 },
+	[QCOM_RPM_PM8921_LDO9] =		{ 148, 63, 46, 2 },
+	[QCOM_RPM_PM8921_LDO10] =		{ 150, 65, 47, 2 },
+	[QCOM_RPM_PM8921_LDO11] =		{ 152, 67, 48, 2 },
+	[QCOM_RPM_PM8921_LDO12] =		{ 154, 69, 49, 2 },
+	[QCOM_RPM_PM8921_LDO13] =		{ 156, 71, 50, 2 },
+	[QCOM_RPM_PM8921_LDO14] =		{ 158, 73, 51, 2 },
+	[QCOM_RPM_PM8921_LDO15] =		{ 160, 75, 52, 2 },
+	[QCOM_RPM_PM8921_LDO16] =		{ 162, 77, 53, 2 },
+	[QCOM_RPM_PM8921_LDO17] =		{ 164, 79, 54, 2 },
+	[QCOM_RPM_PM8921_LDO18] =		{ 166, 81, 55, 2 },
+	[QCOM_RPM_PM8921_LDO19] =		{ 168, 83, 56, 2 },
+	[QCOM_RPM_PM8921_LDO20] =		{ 170, 85, 57, 2 },
+	[QCOM_RPM_PM8921_LDO21] =		{ 172, 87, 58, 2 },
+	[QCOM_RPM_PM8921_LDO22] =		{ 174, 89, 59, 2 },
+	[QCOM_RPM_PM8921_LDO23] =		{ 176, 91, 60, 2 },
+	[QCOM_RPM_PM8921_LDO24] =		{ 178, 93, 61, 2 },
+	[QCOM_RPM_PM8921_LDO25] =		{ 180, 95, 62, 2 },
+	[QCOM_RPM_PM8921_LDO26] =		{ 182, 97, 63, 2 },
+	[QCOM_RPM_PM8921_LDO27] =		{ 184, 99, 64, 2 },
+	[QCOM_RPM_PM8921_LDO28] =		{ 186, 101, 65, 2 },
+	[QCOM_RPM_PM8921_LDO29] =		{ 188, 103, 66, 2 },
+	[QCOM_RPM_PM8921_CLK1] =		{ 190, 105, 67, 2 },
+	[QCOM_RPM_PM8921_CLK2] =		{ 192, 107, 68, 2 },
+	[QCOM_RPM_PM8921_LVS1] =		{ 194, 109, 69, 1 },
+	[QCOM_RPM_PM8921_LVS2] =		{ 195, 110, 70, 1 },
+	[QCOM_RPM_PM8921_LVS3] =		{ 196, 111, 71, 1 },
+	[QCOM_RPM_PM8921_LVS4] =		{ 197, 112, 72, 1 },
+	[QCOM_RPM_PM8921_LVS5] =		{ 198, 113, 73, 1 },
+	[QCOM_RPM_PM8921_LVS6] =		{ 199, 114, 74, 1 },
+	[QCOM_RPM_PM8921_LVS7] =		{ 200, 115, 75, 1 },
+	[QCOM_RPM_PM8821_SMPS1] =		{ 201, 116, 76, 2 },
+	[QCOM_RPM_PM8821_SMPS2] =		{ 203, 118, 77, 2 },
+	[QCOM_RPM_PM8821_LDO1] =		{ 205, 120, 78, 2 },
+	[QCOM_RPM_PM8921_NCP] =			{ 207, 122, 80, 2 },
+	[QCOM_RPM_CXO_BUFFERS] =		{ 209, 124, 81, 1 },
+	[QCOM_RPM_USB_OTG_SWITCH] =		{ 210, 125, 82, 1 },
+	[QCOM_RPM_HDMI_SWITCH] =		{ 211, 126, 83, 1 },
+	[QCOM_RPM_DDR_DMM] =			{ 212, 127, 84, 2 },
+	[QCOM_RPM_VDDMIN_GPIO] =		{ 215, 131, 89, 1 },
+};
+
+static const struct qcom_rpm_data apq8064_template = {
+	.version = 3,
+	.resource_table = apq8064_rpm_resource_table,
+	.n_resources = ARRAY_SIZE(apq8064_rpm_resource_table),
+};
+
+static const struct qcom_rpm_resource msm8660_rpm_resource_table[] = {
+	[QCOM_RPM_CXO_CLK] =			{ 32, 12, 5, 1 },
+	[QCOM_RPM_PXO_CLK] =			{ 33, 13, 6, 1 },
+	[QCOM_RPM_PLL_4] =			{ 34, 14, 7, 1 },
+	[QCOM_RPM_APPS_FABRIC_CLK] =		{ 35, 15, 8, 1 },
+	[QCOM_RPM_SYS_FABRIC_CLK] =		{ 36, 16, 9, 1 },
+	[QCOM_RPM_MM_FABRIC_CLK] =		{ 37, 17, 10, 1 },
+	[QCOM_RPM_DAYTONA_FABRIC_CLK] =		{ 38, 18, 11, 1 },
+	[QCOM_RPM_SFPB_CLK] =			{ 39, 19, 12, 1 },
+	[QCOM_RPM_CFPB_CLK] =			{ 40, 20, 13, 1 },
+	[QCOM_RPM_MMFPB_CLK] =			{ 41, 21, 14, 1 },
+	[QCOM_RPM_SMI_CLK] =			{ 42, 22, 15, 1 },
+	[QCOM_RPM_EBI1_CLK] =			{ 43, 23, 16, 1 },
+	[QCOM_RPM_APPS_L2_CACHE_CTL] =		{ 44, 24, 17, 1 },
+	[QCOM_RPM_APPS_FABRIC_HALT] =		{ 45, 25, 18, 2 },
+	[QCOM_RPM_APPS_FABRIC_MODE] =		{ 47, 26, 19, 3 },
+	[QCOM_RPM_APPS_FABRIC_ARB] =		{ 51, 28, 21, 6 },
+	[QCOM_RPM_SYS_FABRIC_HALT] =		{ 63, 29, 22, 2 },
+	[QCOM_RPM_SYS_FABRIC_MODE] =		{ 65, 30, 23, 3 },
+	[QCOM_RPM_SYS_FABRIC_ARB] =		{ 69, 32, 25, 22 },
+	[QCOM_RPM_MM_FABRIC_HALT] =		{ 105, 33, 26, 2 },
+	[QCOM_RPM_MM_FABRIC_MODE] =		{ 107, 34, 27, 3 },
+	[QCOM_RPM_MM_FABRIC_ARB] =		{ 111, 36, 29, 23 },
+	[QCOM_RPM_PM8901_SMPS0] =		{ 134, 37, 30, 2 },
+	[QCOM_RPM_PM8901_SMPS1] =		{ 136, 39, 31, 2 },
+	[QCOM_RPM_PM8901_SMPS2] =		{ 138, 41, 32, 2 },
+	[QCOM_RPM_PM8901_SMPS3] =		{ 140, 43, 33, 2 },
+	[QCOM_RPM_PM8901_SMPS4] =		{ 142, 45, 34, 2 },
+	[QCOM_RPM_PM8901_LDO0] =		{ 144, 47, 35, 2 },
+	[QCOM_RPM_PM8901_LDO1] =		{ 146, 49, 36, 2 },
+	[QCOM_RPM_PM8901_LDO2] =		{ 148, 51, 37, 2 },
+	[QCOM_RPM_PM8901_LDO3] =		{ 150, 53, 38, 2 },
+	[QCOM_RPM_PM8901_LDO4] =		{ 152, 55, 39, 2 },
+	[QCOM_RPM_PM8901_LDO5] =		{ 154, 57, 40, 2 },
+	[QCOM_RPM_PM8901_LDO6] =		{ 156, 59, 41, 2 },
+	[QCOM_RPM_PM8901_LVS0] =		{ 158, 61, 42, 1 },
+	[QCOM_RPM_PM8901_LVS1] =		{ 159, 62, 43, 1 },
+	[QCOM_RPM_PM8901_LVS2] =		{ 160, 63, 44, 1 },
+	[QCOM_RPM_PM8901_LVS3] =		{ 161, 64, 45, 1 },
+	[QCOM_RPM_PM8901_MVS] =			{ 162, 65, 46, 1 },
+	[QCOM_RPM_PM8058_SMPS0] =		{ 163, 66, 47, 2 },
+	[QCOM_RPM_PM8058_SMPS1] =		{ 165, 68, 48, 2 },
+	[QCOM_RPM_PM8058_SMPS2] =		{ 167, 70, 49, 2 },
+	[QCOM_RPM_PM8058_SMPS3] =		{ 169, 72, 50, 2 },
+	[QCOM_RPM_PM8058_SMPS4] =		{ 171, 74, 51, 2 },
+	[QCOM_RPM_PM8058_LDO0] =		{ 173, 76, 52, 2 },
+	[QCOM_RPM_PM8058_LDO1] =		{ 175, 78, 53, 2 },
+	[QCOM_RPM_PM8058_LDO2] =		{ 177, 80, 54, 2 },
+	[QCOM_RPM_PM8058_LDO3] =		{ 179, 82, 55, 2 },
+	[QCOM_RPM_PM8058_LDO4] =		{ 181, 84, 56, 2 },
+	[QCOM_RPM_PM8058_LDO5] =		{ 183, 86, 57, 2 },
+	[QCOM_RPM_PM8058_LDO6] =		{ 185, 88, 58, 2 },
+	[QCOM_RPM_PM8058_LDO7] =		{ 187, 90, 59, 2 },
+	[QCOM_RPM_PM8058_LDO8] =		{ 189, 92, 60, 2 },
+	[QCOM_RPM_PM8058_LDO9] =		{ 191, 94, 61, 2 },
+	[QCOM_RPM_PM8058_LDO10] =		{ 193, 96, 62, 2 },
+	[QCOM_RPM_PM8058_LDO11] =		{ 195, 98, 63, 2 },
+	[QCOM_RPM_PM8058_LDO12] =		{ 197, 100, 64, 2 },
+	[QCOM_RPM_PM8058_LDO13] =		{ 199, 102, 65, 2 },
+	[QCOM_RPM_PM8058_LDO14] =		{ 201, 104, 66, 2 },
+	[QCOM_RPM_PM8058_LDO15] =		{ 203, 106, 67, 2 },
+	[QCOM_RPM_PM8058_LDO16] =		{ 205, 108, 68, 2 },
+	[QCOM_RPM_PM8058_LDO17] =		{ 207, 110, 69, 2 },
+	[QCOM_RPM_PM8058_LDO18] =		{ 209, 112, 70, 2 },
+	[QCOM_RPM_PM8058_LDO19] =		{ 211, 114, 71, 2 },
+	[QCOM_RPM_PM8058_LDO20] =		{ 213, 116, 72, 2 },
+	[QCOM_RPM_PM8058_LDO21] =		{ 215, 118, 73, 2 },
+	[QCOM_RPM_PM8058_LDO22] =		{ 217, 120, 74, 2 },
+	[QCOM_RPM_PM8058_LDO23] =		{ 219, 122, 75, 2 },
+	[QCOM_RPM_PM8058_LDO24] =		{ 221, 124, 76, 2 },
+	[QCOM_RPM_PM8058_LDO25] =		{ 223, 126, 77, 2 },
+	[QCOM_RPM_PM8058_LVS0] =		{ 225, 128, 78, 1 },
+	[QCOM_RPM_PM8058_LVS1] =		{ 226, 129, 79, 1 },
+	[QCOM_RPM_PM8058_NCP] =			{ 227, 130, 80, 2 },
+	[QCOM_RPM_CXO_BUFFERS] =		{ 229, 132, 81, 1 },
+};
+
+static const struct qcom_rpm_data msm8660_template = {
+	.version = 2,
+	.resource_table = msm8660_rpm_resource_table,
+	.n_resources = ARRAY_SIZE(msm8660_rpm_resource_table),
+};
+
+static const struct qcom_rpm_resource msm8960_rpm_resource_table[] = {
+	[QCOM_RPM_CXO_CLK] =			{ 25, 9, 5, 1 },
+	[QCOM_RPM_PXO_CLK] =			{ 26, 10, 6, 1 },
+	[QCOM_RPM_APPS_FABRIC_CLK] =		{ 27, 11, 8, 1 },
+	[QCOM_RPM_SYS_FABRIC_CLK] =		{ 28, 12, 9, 1 },
+	[QCOM_RPM_MM_FABRIC_CLK] =		{ 29, 13, 10, 1 },
+	[QCOM_RPM_DAYTONA_FABRIC_CLK] =		{ 30, 14, 11, 1 },
+	[QCOM_RPM_SFPB_CLK] =			{ 31, 15, 12, 1 },
+	[QCOM_RPM_CFPB_CLK] =			{ 32, 16, 13, 1 },
+	[QCOM_RPM_MMFPB_CLK] =			{ 33, 17, 14, 1 },
+	[QCOM_RPM_EBI1_CLK] =			{ 34, 18, 16, 1 },
+	[QCOM_RPM_APPS_FABRIC_HALT] =		{ 35, 19, 18, 1 },
+	[QCOM_RPM_APPS_FABRIC_MODE] =		{ 37, 20, 19, 1 },
+	[QCOM_RPM_APPS_FABRIC_IOCTL] =		{ 40, 21, 20, 1 },
+	[QCOM_RPM_APPS_FABRIC_ARB] =		{ 41, 22, 21, 12 },
+	[QCOM_RPM_SYS_FABRIC_HALT] =		{ 53, 23, 22, 1 },
+	[QCOM_RPM_SYS_FABRIC_MODE] =		{ 55, 24, 23, 1 },
+	[QCOM_RPM_SYS_FABRIC_IOCTL] =		{ 58, 25, 24, 1 },
+	[QCOM_RPM_SYS_FABRIC_ARB] =		{ 59, 26, 25, 29 },
+	[QCOM_RPM_MM_FABRIC_HALT] =		{ 88, 27, 26, 1 },
+	[QCOM_RPM_MM_FABRIC_MODE] =		{ 90, 28, 27, 1 },
+	[QCOM_RPM_MM_FABRIC_IOCTL] =		{ 93, 29, 28, 1 },
+	[QCOM_RPM_MM_FABRIC_ARB] =		{ 94, 30, 29, 23 },
+	[QCOM_RPM_PM8921_SMPS1] =		{ 117, 31, 30, 2 },
+	[QCOM_RPM_PM8921_SMPS2] =		{ 119, 33, 31, 2 },
+	[QCOM_RPM_PM8921_SMPS3] =		{ 121, 35, 32, 2 },
+	[QCOM_RPM_PM8921_SMPS4] =		{ 123, 37, 33, 2 },
+	[QCOM_RPM_PM8921_SMPS5] =		{ 125, 39, 34, 2 },
+	[QCOM_RPM_PM8921_SMPS6] =		{ 127, 41, 35, 2 },
+	[QCOM_RPM_PM8921_SMPS7] =		{ 129, 43, 36, 2 },
+	[QCOM_RPM_PM8921_SMPS8] =		{ 131, 45, 37, 2 },
+	[QCOM_RPM_PM8921_LDO1] =		{ 133, 47, 38, 2 },
+	[QCOM_RPM_PM8921_LDO2] =		{ 135, 49, 39, 2 },
+	[QCOM_RPM_PM8921_LDO3] =		{ 137, 51, 40, 2 },
+	[QCOM_RPM_PM8921_LDO4] =		{ 139, 53, 41, 2 },
+	[QCOM_RPM_PM8921_LDO5] =		{ 141, 55, 42, 2 },
+	[QCOM_RPM_PM8921_LDO6] =		{ 143, 57, 43, 2 },
+	[QCOM_RPM_PM8921_LDO7] =		{ 145, 59, 44, 2 },
+	[QCOM_RPM_PM8921_LDO8] =		{ 147, 61, 45, 2 },
+	[QCOM_RPM_PM8921_LDO9] =		{ 149, 63, 46, 2 },
+	[QCOM_RPM_PM8921_LDO10] =		{ 151, 65, 47, 2 },
+	[QCOM_RPM_PM8921_LDO11] =		{ 153, 67, 48, 2 },
+	[QCOM_RPM_PM8921_LDO12] =		{ 155, 69, 49, 2 },
+	[QCOM_RPM_PM8921_LDO13] =		{ 157, 71, 50, 2 },
+	[QCOM_RPM_PM8921_LDO14] =		{ 159, 73, 51, 2 },
+	[QCOM_RPM_PM8921_LDO15] =		{ 161, 75, 52, 2 },
+	[QCOM_RPM_PM8921_LDO16] =		{ 163, 77, 53, 2 },
+	[QCOM_RPM_PM8921_LDO17] =		{ 165, 79, 54, 2 },
+	[QCOM_RPM_PM8921_LDO18] =		{ 167, 81, 55, 2 },
+	[QCOM_RPM_PM8921_LDO19] =		{ 169, 83, 56, 2 },
+	[QCOM_RPM_PM8921_LDO20] =		{ 171, 85, 57, 2 },
+	[QCOM_RPM_PM8921_LDO21] =		{ 173, 87, 58, 2 },
+	[QCOM_RPM_PM8921_LDO22] =		{ 175, 89, 59, 2 },
+	[QCOM_RPM_PM8921_LDO23] =		{ 177, 91, 60, 2 },
+	[QCOM_RPM_PM8921_LDO24] =		{ 179, 93, 61, 2 },
+	[QCOM_RPM_PM8921_LDO25] =		{ 181, 95, 62, 2 },
+	[QCOM_RPM_PM8921_LDO26] =		{ 183, 97, 63, 2 },
+	[QCOM_RPM_PM8921_LDO27] =		{ 185, 99, 64, 2 },
+	[QCOM_RPM_PM8921_LDO28] =		{ 187, 101, 65, 2 },
+	[QCOM_RPM_PM8921_LDO29] =		{ 189, 103, 66, 2 },
+	[QCOM_RPM_PM8921_CLK1] =		{ 191, 105, 67, 2 },
+	[QCOM_RPM_PM8921_CLK2] =		{ 193, 107, 68, 2 },
+	[QCOM_RPM_PM8921_LVS1] =		{ 195, 109, 69, 1 },
+	[QCOM_RPM_PM8921_LVS2] =		{ 196, 110, 70, 1 },
+	[QCOM_RPM_PM8921_LVS3] =		{ 197, 111, 71, 1 },
+	[QCOM_RPM_PM8921_LVS4] =		{ 198, 112, 72, 1 },
+	[QCOM_RPM_PM8921_LVS5] =		{ 199, 113, 73, 1 },
+	[QCOM_RPM_PM8921_LVS6] =		{ 200, 114, 74, 1 },
+	[QCOM_RPM_PM8921_LVS7] =		{ 201, 115, 75, 1 },
+	[QCOM_RPM_PM8921_NCP] =			{ 202, 116, 80, 2 },
+	[QCOM_RPM_CXO_BUFFERS] =		{ 204, 118, 81, 1 },
+	[QCOM_RPM_USB_OTG_SWITCH] =		{ 205, 119, 82, 1 },
+	[QCOM_RPM_HDMI_SWITCH] =		{ 206, 120, 83, 1 },
+	[QCOM_RPM_DDR_DMM] =			{ 207, 121, 84, 2 },
+};
+
+static const struct qcom_rpm_data msm8960_template = {
+	.version = 3,
+	.resource_table = msm8960_rpm_resource_table,
+	.n_resources = ARRAY_SIZE(msm8960_rpm_resource_table),
+};
+
+static const struct of_device_id qcom_rpm_of_match[] = {
+	{ .compatible = "qcom,rpm-apq8064", .data = &apq8064_template },
+	{ .compatible = "qcom,rpm-msm8660", .data = &msm8660_template },
+	{ .compatible = "qcom,rpm-msm8960", .data = &msm8960_template },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, qcom_rpm_of_match);
+
+int qcom_rpm_write(struct qcom_rpm *rpm,
+		   int state,
+		   int resource,
+		   u32 *buf, size_t count)
+{
+	const struct qcom_rpm_resource *res;
+	const struct qcom_rpm_data *data = rpm->data;
+	u32 sel_mask[RPM_SELECT_SIZE] = { 0 };
+	int left;
+	int ret = 0;
+	int i;
+
+	if (WARN_ON(resource < 0 || resource >= data->n_resources))
+		return -EINVAL;
+
+	res = &data->resource_table[resource];
+	if (WARN_ON(res->size != count))
+		return -EINVAL;
+
+	mutex_lock(&rpm->lock);
+
+	for (i = 0; i < res->size; i++)
+		writel_relaxed(buf[i], RPM_REQ_REG(rpm, res->target_id + i));
+
+	bitmap_set((unsigned long *)sel_mask, res->select_id, 1);
+	for (i = 0; i < ARRAY_SIZE(sel_mask); i++) {
+		writel_relaxed(sel_mask[i],
+			       RPM_CTRL_REG(rpm, RPM_REQ_SELECT + i));
+	}
+
+	writel_relaxed(BIT(state), RPM_CTRL_REG(rpm, RPM_REQUEST_CONTEXT));
+
+	reinit_completion(&rpm->ack);
+	regmap_write(rpm->ipc_regmap, rpm->ipc_offset, BIT(rpm->ipc_bit));
+
+	left = wait_for_completion_timeout(&rpm->ack, RPM_REQUEST_TIMEOUT);
+	if (!left)
+		ret = -ETIMEDOUT;
+	else if (rpm->ack_status & RPM_REJECTED)
+		ret = -EIO;
+
+	mutex_unlock(&rpm->lock);
+
+	return ret;
+}
+EXPORT_SYMBOL(qcom_rpm_write);
+
+static irqreturn_t qcom_rpm_ack_interrupt(int irq, void *dev)
+{
+	struct qcom_rpm *rpm = dev;
+	u32 ack;
+	int i;
+
+	ack = readl_relaxed(RPM_CTRL_REG(rpm, RPM_ACK_CONTEXT));
+	for (i = 0; i < RPM_SELECT_SIZE; i++)
+		writel_relaxed(0, RPM_CTRL_REG(rpm, RPM_ACK_SELECTOR + i));
+	writel(0, RPM_CTRL_REG(rpm, RPM_ACK_CONTEXT));
+
+	if (ack & RPM_NOTIFICATION) {
+		dev_warn(rpm->dev, "ignoring notification!\n");
+	} else {
+		rpm->ack_status = ack;
+		complete(&rpm->ack);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t qcom_rpm_err_interrupt(int irq, void *dev)
+{
+	struct qcom_rpm *rpm = dev;
+
+	regmap_write(rpm->ipc_regmap, rpm->ipc_offset, BIT(rpm->ipc_bit));
+	dev_err(rpm->dev, "RPM triggered fatal error\n");
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t qcom_rpm_wakeup_interrupt(int irq, void *dev)
+{
+	return IRQ_HANDLED;
+}
+
+static int qcom_rpm_probe(struct platform_device *pdev)
+{
+	const struct of_device_id *match;
+	struct device_node *syscon_np;
+	struct resource *res;
+	struct qcom_rpm *rpm;
+	u32 fw_version[3];
+	int irq_wakeup;
+	int irq_ack;
+	int irq_err;
+	int ret;
+
+	rpm = devm_kzalloc(&pdev->dev, sizeof(*rpm), GFP_KERNEL);
+	if (!rpm)
+		return -ENOMEM;
+
+	rpm->dev = &pdev->dev;
+	mutex_init(&rpm->lock);
+	init_completion(&rpm->ack);
+
+	irq_ack = platform_get_irq_byname(pdev, "ack");
+	if (irq_ack < 0) {
+		dev_err(&pdev->dev, "required ack interrupt missing\n");
+		return irq_ack;
+	}
+
+	irq_err = platform_get_irq_byname(pdev, "err");
+	if (irq_err < 0) {
+		dev_err(&pdev->dev, "required err interrupt missing\n");
+		return irq_err;
+	}
+
+	irq_wakeup = platform_get_irq_byname(pdev, "wakeup");
+	if (irq_wakeup < 0) {
+		dev_err(&pdev->dev, "required wakeup interrupt missing\n");
+		return irq_wakeup;
+	}
+
+	match = of_match_device(qcom_rpm_of_match, &pdev->dev);
+	rpm->data = match->data;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	rpm->status_regs = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(rpm->status_regs))
+		return PTR_ERR(rpm->status_regs);
+	rpm->ctrl_regs = rpm->status_regs + 0x400;
+	rpm->req_regs = rpm->status_regs + 0x600;
+
+	syscon_np = of_parse_phandle(pdev->dev.of_node, "qcom,ipc", 0);
+	if (!syscon_np) {
+		dev_err(&pdev->dev, "no qcom,ipc node\n");
+		return -ENODEV;
+	}
+
+	rpm->ipc_regmap = syscon_node_to_regmap(syscon_np);
+	if (IS_ERR(rpm->ipc_regmap))
+		return PTR_ERR(rpm->ipc_regmap);
+
+	ret = of_property_read_u32_index(pdev->dev.of_node, "qcom,ipc", 1,
+					 &rpm->ipc_offset);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "no offset in qcom,ipc\n");
+		return -EINVAL;
+	}
+
+	ret = of_property_read_u32_index(pdev->dev.of_node, "qcom,ipc", 2,
+					 &rpm->ipc_bit);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "no bit in qcom,ipc\n");
+		return -EINVAL;
+	}
+
+	dev_set_drvdata(&pdev->dev, rpm);
+
+	fw_version[0] = readl(RPM_STATUS_REG(rpm, 0));
+	fw_version[1] = readl(RPM_STATUS_REG(rpm, 1));
+	fw_version[2] = readl(RPM_STATUS_REG(rpm, 2));
+	if (fw_version[0] != rpm->data->version) {
+		dev_err(&pdev->dev,
+			"RPM version %u.%u.%u incompatible with driver version %u",
+			fw_version[0],
+			fw_version[1],
+			fw_version[2],
+			rpm->data->version);
+		return -EFAULT;
+	}
+
+	dev_info(&pdev->dev, "RPM firmware %u.%u.%u\n", fw_version[0],
+							fw_version[1],
+							fw_version[2]);
+
+	ret = devm_request_irq(&pdev->dev,
+			       irq_ack,
+			       qcom_rpm_ack_interrupt,
+			       IRQF_TRIGGER_RISING | IRQF_NO_SUSPEND,
+			       "qcom_rpm_ack",
+			       rpm);
+	if (ret) {
+		dev_err(&pdev->dev, "failed to request ack interrupt\n");
+		return ret;
+	}
+
+	ret = irq_set_irq_wake(irq_ack, 1);
+	if (ret)
+		dev_warn(&pdev->dev, "failed to mark ack irq as wakeup\n");
+
+	ret = devm_request_irq(&pdev->dev,
+			       irq_err,
+			       qcom_rpm_err_interrupt,
+			       IRQF_TRIGGER_RISING,
+			       "qcom_rpm_err",
+			       rpm);
+	if (ret) {
+		dev_err(&pdev->dev, "failed to request err interrupt\n");
+		return ret;
+	}
+
+	ret = devm_request_irq(&pdev->dev,
+			       irq_wakeup,
+			       qcom_rpm_wakeup_interrupt,
+			       IRQF_TRIGGER_RISING,
+			       "qcom_rpm_wakeup",
+			       rpm);
+	if (ret) {
+		dev_err(&pdev->dev, "failed to request wakeup interrupt\n");
+		return ret;
+	}
+
+	ret = irq_set_irq_wake(irq_wakeup, 1);
+	if (ret)
+		dev_warn(&pdev->dev, "failed to mark wakeup irq as wakeup\n");
+
+	return of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);
+}
+
+static int qcom_rpm_remove(struct platform_device *pdev)
+{
+	of_platform_depopulate(&pdev->dev);
+	return 0;
+}
+
+static struct platform_driver qcom_rpm_driver = {
+	.probe = qcom_rpm_probe,
+	.remove = qcom_rpm_remove,
+	.driver  = {
+		.name  = "qcom_rpm",
+		.of_match_table = qcom_rpm_of_match,
+	},
+};
+
+static int __init qcom_rpm_init(void)
+{
+	return platform_driver_register(&qcom_rpm_driver);
+}
+arch_initcall(qcom_rpm_init);
+
+static void __exit qcom_rpm_exit(void)
+{
+	platform_driver_unregister(&qcom_rpm_driver);
+}
+module_exit(qcom_rpm_exit)
+
+MODULE_DESCRIPTION("Qualcomm Resource Power Manager driver");
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Bjorn Andersson <bjorn.andersson@sonymobile.com>");
diff --git a/drivers/mfd/retu-mfd.c b/drivers/mfd/retu-mfd.c
index 663f8a3..2d64430 100644
--- a/drivers/mfd/retu-mfd.c
+++ b/drivers/mfd/retu-mfd.c
@@ -222,7 +222,7 @@ static struct regmap_bus retu_bus = {
 	.val_format_endian_default = REGMAP_ENDIAN_NATIVE,
 };
 
-static struct regmap_config retu_config = {
+static const struct regmap_config retu_config = {
 	.reg_bits = 8,
 	.val_bits = 16,
 };
diff --git a/drivers/mfd/rt5033.c b/drivers/mfd/rt5033.c
new file mode 100644
index 0000000..db395a6
--- /dev/null
+++ b/drivers/mfd/rt5033.c
@@ -0,0 +1,142 @@
+/*
+ * MFD core driver for the Richtek RT5033.
+ *
+ * RT5033 comprises multiple sub-devices switcing charger, fuel gauge,
+ * flash LED, current source, LDO and BUCK regulators.
+ *
+ * Copyright (C) 2014 Samsung Electronics, Co., Ltd.
+ * Author: Beomho Seo <beomho.seo@samsung.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 bythe Free Software Foundation.
+ */
+
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/of_device.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/rt5033.h>
+#include <linux/mfd/rt5033-private.h>
+
+static const struct regmap_irq rt5033_irqs[] = {
+	{ .mask = RT5033_PMIC_IRQ_BUCKOCP, },
+	{ .mask = RT5033_PMIC_IRQ_BUCKLV, },
+	{ .mask = RT5033_PMIC_IRQ_SAFELDOLV, },
+	{ .mask = RT5033_PMIC_IRQ_LDOLV, },
+	{ .mask = RT5033_PMIC_IRQ_OT, },
+	{ .mask = RT5033_PMIC_IRQ_VDDA_UV, },
+};
+
+static const struct regmap_irq_chip rt5033_irq_chip = {
+	.name		= "rt5033",
+	.status_base	= RT5033_REG_PMIC_IRQ_STAT,
+	.mask_base	= RT5033_REG_PMIC_IRQ_CTRL,
+	.mask_invert	= true,
+	.num_regs	= 1,
+	.irqs		= rt5033_irqs,
+	.num_irqs	= ARRAY_SIZE(rt5033_irqs),
+};
+
+static const struct mfd_cell rt5033_devs[] = {
+	{ .name = "rt5033-regulator", },
+	{
+		.name = "rt5033-charger",
+		.of_compatible = "richtek,rt5033-charger",
+	}, {
+		.name = "rt5033-battery",
+		.of_compatible = "richtek,rt5033-battery",
+	},
+};
+
+static const struct regmap_config rt5033_regmap_config = {
+	.reg_bits	= 8,
+	.val_bits	= 8,
+	.max_register	= RT5033_REG_END,
+};
+
+static int rt5033_i2c_probe(struct i2c_client *i2c,
+				const struct i2c_device_id *id)
+{
+	struct rt5033_dev *rt5033;
+	unsigned int dev_id;
+	int ret;
+
+	rt5033 = devm_kzalloc(&i2c->dev, sizeof(*rt5033), GFP_KERNEL);
+	if (!rt5033)
+		return -ENOMEM;
+
+	i2c_set_clientdata(i2c, rt5033);
+	rt5033->dev = &i2c->dev;
+	rt5033->irq = i2c->irq;
+	rt5033->wakeup = true;
+
+	rt5033->regmap = devm_regmap_init_i2c(i2c, &rt5033_regmap_config);
+	if (IS_ERR(rt5033->regmap)) {
+		dev_err(&i2c->dev, "Failed to allocate register map.\n");
+		return PTR_ERR(rt5033->regmap);
+	}
+
+	ret = regmap_read(rt5033->regmap, RT5033_REG_DEVICE_ID, &dev_id);
+	if (ret) {
+		dev_err(&i2c->dev, "Device not found\n");
+		return -ENODEV;
+	}
+	dev_info(&i2c->dev, "Device found Device ID: %04x\n", dev_id);
+
+	ret = regmap_add_irq_chip(rt5033->regmap, rt5033->irq,
+			IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+			0, &rt5033_irq_chip, &rt5033->irq_data);
+	if (ret) {
+		dev_err(&i2c->dev, "Failed to request IRQ %d: %d\n",
+							rt5033->irq, ret);
+		return ret;
+	}
+
+	ret = mfd_add_devices(rt5033->dev, -1, rt5033_devs,
+			ARRAY_SIZE(rt5033_devs), NULL, 0,
+			regmap_irq_get_domain(rt5033->irq_data));
+	if (ret < 0) {
+		dev_err(&i2c->dev, "Failed to add RT5033 child devices.\n");
+		return ret;
+	}
+
+	device_init_wakeup(rt5033->dev, rt5033->wakeup);
+
+	return 0;
+}
+
+static int rt5033_i2c_remove(struct i2c_client *i2c)
+{
+	mfd_remove_devices(&i2c->dev);
+
+	return 0;
+}
+
+static const struct i2c_device_id rt5033_i2c_id[] = {
+	{ "rt5033", },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, rt5033_i2c_id);
+
+static const struct of_device_id rt5033_dt_match[] = {
+	{ .compatible = "richtek,rt5033", },
+	{ }
+};
+
+static struct i2c_driver rt5033_driver = {
+	.driver = {
+		.name = "rt5033",
+		.of_match_table = of_match_ptr(rt5033_dt_match),
+	},
+	.probe = rt5033_i2c_probe,
+	.remove = rt5033_i2c_remove,
+	.id_table = rt5033_i2c_id,
+};
+module_i2c_driver(rt5033_driver);
+
+MODULE_ALIAS("i2c:rt5033");
+MODULE_DESCRIPTION("Richtek RT5033 multi-function core driver");
+MODULE_AUTHOR("Beomho Seo <beomho.seo@samsung.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/rtsx_usb.c b/drivers/mfd/rtsx_usb.c
index 210d1f8..ede5024 100644
--- a/drivers/mfd/rtsx_usb.c
+++ b/drivers/mfd/rtsx_usb.c
@@ -681,9 +681,27 @@ static void rtsx_usb_disconnect(struct usb_interface *intf)
 #ifdef CONFIG_PM
 static int rtsx_usb_suspend(struct usb_interface *intf, pm_message_t message)
 {
+	struct rtsx_ucr *ucr =
+		(struct rtsx_ucr *)usb_get_intfdata(intf);
+	u16 val = 0;
+
 	dev_dbg(&intf->dev, "%s called with pm message 0x%04x\n",
 			__func__, message.event);
 
+	if (PMSG_IS_AUTO(message)) {
+		if (mutex_trylock(&ucr->dev_mutex)) {
+			rtsx_usb_get_card_status(ucr, &val);
+			mutex_unlock(&ucr->dev_mutex);
+
+			/* Defer the autosuspend if card exists */
+			if (val & (SD_CD | MS_CD))
+				return -EAGAIN;
+		} else {
+			/* There is an ongoing operation*/
+			return -EAGAIN;
+		}
+	}
+
 	return 0;
 }
 
diff --git a/drivers/mfd/smsc-ece1099.c b/drivers/mfd/smsc-ece1099.c
index 90112d4..0324688 100644
--- a/drivers/mfd/smsc-ece1099.c
+++ b/drivers/mfd/smsc-ece1099.c
@@ -24,7 +24,7 @@
 #include <linux/mfd/smsc.h>
 #include <linux/of_platform.h>
 
-static struct regmap_config smsc_regmap_config = {
+static const struct regmap_config smsc_regmap_config = {
 		.reg_bits = 8,
 		.val_bits = 8,
 		.max_register = SMSC_VEN_ID_H,
diff --git a/drivers/mfd/sun6i-prcm.c b/drivers/mfd/sun6i-prcm.c
index 2f2e9f0..1911731 100644
--- a/drivers/mfd/sun6i-prcm.c
+++ b/drivers/mfd/sun6i-prcm.c
@@ -41,6 +41,14 @@ static const struct resource sun6i_a31_apb0_gates_clk_res[] = {
 	},
 };
 
+static const struct resource sun6i_a31_ir_clk_res[] = {
+	{
+		.start = 0x54,
+		.end = 0x57,
+		.flags = IORESOURCE_MEM,
+	},
+};
+
 static const struct resource sun6i_a31_apb0_rstc_res[] = {
 	{
 		.start = 0xb0,
@@ -69,6 +77,12 @@ static const struct mfd_cell sun6i_a31_prcm_subdevs[] = {
 		.resources = sun6i_a31_apb0_gates_clk_res,
 	},
 	{
+		.name = "sun6i-a31-ir-clk",
+		.of_compatible = "allwinner,sun4i-a10-mod0-clk",
+		.num_resources = ARRAY_SIZE(sun6i_a31_ir_clk_res),
+		.resources = sun6i_a31_ir_clk_res,
+	},
+	{
 		.name = "sun6i-a31-apb0-clock-reset",
 		.of_compatible = "allwinner,sun6i-a31-clock-reset",
 		.num_resources = ARRAY_SIZE(sun6i_a31_apb0_rstc_res),
diff --git a/drivers/mfd/tps65217.c b/drivers/mfd/tps65217.c
index 80a919a..7d1cfc1 100644
--- a/drivers/mfd/tps65217.c
+++ b/drivers/mfd/tps65217.c
@@ -145,7 +145,7 @@ int tps65217_clear_bits(struct tps65217 *tps, unsigned int reg,
 }
 EXPORT_SYMBOL_GPL(tps65217_clear_bits);
 
-static struct regmap_config tps65217_regmap_config = {
+static const struct regmap_config tps65217_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 
diff --git a/drivers/mfd/tps65218.c b/drivers/mfd/tps65218.c
index d6b7643..7af11a8 100644
--- a/drivers/mfd/tps65218.c
+++ b/drivers/mfd/tps65218.c
@@ -135,7 +135,7 @@ static const struct regmap_access_table tps65218_volatile_table = {
 	.n_yes_ranges = ARRAY_SIZE(tps65218_yes_ranges),
 };
 
-static struct regmap_config tps65218_regmap_config = {
+static const struct regmap_config tps65218_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 	.cache_type = REGCACHE_RBTREE,
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index db11b4f..489674a 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -207,7 +207,7 @@ static struct twl_mapping twl4030_map[] = {
 	{ 2, TWL5031_BASEADD_INTERRUPTS },
 };
 
-static struct reg_default twl4030_49_defaults[] = {
+static const struct reg_default twl4030_49_defaults[] = {
 	/* Audio Registers */
 	{ 0x01, 0x00}, /* CODEC_MODE	*/
 	{ 0x02, 0x00}, /* OPTION	*/
@@ -306,7 +306,7 @@ static const struct regmap_access_table twl4030_49_volatile_table = {
 	.n_yes_ranges = ARRAY_SIZE(twl4030_49_volatile_ranges),
 };
 
-static struct regmap_config twl4030_regmap_config[4] = {
+static const struct regmap_config twl4030_regmap_config[4] = {
 	{
 		/* Address 0x48 */
 		.reg_bits = 8,
@@ -369,7 +369,7 @@ static struct twl_mapping twl6030_map[] = {
 	{ 1, TWL6030_BASEADD_GASGAUGE },
 };
 
-static struct regmap_config twl6030_regmap_config[3] = {
+static const struct regmap_config twl6030_regmap_config[3] = {
 	{
 		/* Address 0x48 */
 		.reg_bits = 8,
@@ -1087,7 +1087,7 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	struct twl4030_platform_data	*pdata = dev_get_platdata(&client->dev);
 	struct device_node		*node = client->dev.of_node;
 	struct platform_device		*pdev;
-	struct regmap_config		*twl_regmap_config;
+	const struct regmap_config	*twl_regmap_config;
 	int				irq_base = 0;
 	int				status;
 	unsigned			i, num_slaves;
diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c
index 96876451..f71ee3d 100644
--- a/drivers/mfd/twl6040.c
+++ b/drivers/mfd/twl6040.c
@@ -44,7 +44,7 @@
 #define VIBRACTRL_MEMBER(reg) ((reg == TWL6040_REG_VIBCTLL) ? 0 : 1)
 #define TWL6040_NUM_SUPPLIES	(2)
 
-static struct reg_default twl6040_defaults[] = {
+static const struct reg_default twl6040_defaults[] = {
 	{ 0x01, 0x4B }, /* REG_ASICID	(ro) */
 	{ 0x02, 0x00 }, /* REG_ASICREV	(ro) */
 	{ 0x03, 0x00 }, /* REG_INTID	*/
@@ -580,7 +580,7 @@ static bool twl6040_writeable_reg(struct device *dev, unsigned int reg)
 	}
 }
 
-static struct regmap_config twl6040_regmap_config = {
+static const struct regmap_config twl6040_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 6ca9d25..53ae5af 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -36,12 +36,12 @@
 static const struct mfd_cell wm8994_regulator_devs[] = {
 	{
 		.name = "wm8994-ldo",
-		.id = 1,
+		.id = 0,
 		.pm_runtime_no_callbacks = true,
 	},
 	{
 		.name = "wm8994-ldo",
-		.id = 2,
+		.id = 1,
 		.pm_runtime_no_callbacks = true,
 	},
 };
@@ -344,7 +344,7 @@ static int wm8994_device_init(struct wm8994 *wm8994, int irq)
 	dev_set_drvdata(wm8994->dev, wm8994);
 
 	/* Add the on-chip regulators first for bootstrapping */
-	ret = mfd_add_devices(wm8994->dev, -1,
+	ret = mfd_add_devices(wm8994->dev, 0,
 			      wm8994_regulator_devs,
 			      ARRAY_SIZE(wm8994_regulator_devs),
 			      NULL, 0, NULL);