Merge tag 'for-v3.20' of git://git.infradead.org/battery-2.6

Pull power supply and reset changes from Sebastian Reichel:
 "New drivers:
   - charger driver for Maxim 77693
   - battery gauge driver for LTC 2941/2943
   - battery gauge driver for RT5033
   - reset driver for R-Mobile platforms

  Convert drivers to restart handler framework:
   - arm-versatile
   - at91
   - st-poweroff

  Misc:
   - remove deprecated sun6i reboot driver
   - use alarmtimer instead of rtc in charger-manager
   - misc fixes"

* tag 'for-v3.20' of git://git.infradead.org/battery-2.6: (48 commits)
  power_supply: 88pm860x: Fix leaked power supply on probe fail
  power/reset: restart-poweroff: Remove arm dependencies
  power/reset: st-poweroff: Fix misleading Kconfig description
  power/reset: st-poweroff: Register with kernel restart handler
  power/reset: Remove sun6i reboot driver
  power/reset: at91: Register with kernel restart handler
  power/reset: arm-versatile: Register with kernel restart handler
  power: test_power: Use enum as index for array of supplies
  Add devicetree binding documentation for the LTC2941/LTC2943 driver
  Add LTC2941/LTC2943 Battery Gauge Driver
  power/reset: brcmstb: Add support for old 65nm chips
  power/reset: brcmstb: Use the DT "compatible" string to indicate bit positions
  power/reset: brcmstb: Make the driver buildable on MIPS
  power: charger-manager: Use alarmtimer for battery monitoring in suspend.
  power/reset: at91-poweroff: Fix error handling and other compiler warnings
  bq27x00_battery: Call power_supply_changed only when capacity changed
  bq27x00_battery: fix register offset for bq27425
  power: max14577: Remove SYSFS dependency from Kconfig
  power: bq24190_charger: suppress build warning
  power: reset: Add reset driver for R-Mobile platforms
  ...

Documentation/ABI/testing/sysfs-class-power

@@ -32,3 +32,45 @@ Description:
 		Valid values:
 		- 5, 6 or 7 (hours),
 		- 0: disabled.
+
+What:		/sys/class/power_supply/max77693-charger/device/fast_charge_timer
+Date:		January 2015
+KernelVersion:	3.19.0
+Contact:	Krzysztof Kozlowski <k.kozlowski@samsung.com>
+Description:
+		This entry shows and sets the maximum time the max77693
+		charger operates in fast-charge mode. When the timer expires
+		the device will terminate fast-charge mode (charging current
+		will drop to 0 A) and will trigger interrupt.
+
+		Valid values:
+		- 4 - 16 (hours), step by 2 (rounded down)
+		- 0: disabled.
+
+What:		/sys/class/power_supply/max77693-charger/device/top_off_threshold_current
+Date:		January 2015
+KernelVersion:	3.19.0
+Contact:	Krzysztof Kozlowski <k.kozlowski@samsung.com>
+Description:
+		This entry shows and sets the charging current threshold for
+		entering top-off charging mode. When charging current in fast
+		charge mode drops below this value, the charger will trigger
+		interrupt and start top-off charging mode.
+
+		Valid values:
+		- 100000 - 200000 (microamps), step by 25000 (rounded down)
+		- 200000 - 350000 (microamps), step by 50000 (rounded down)
+		- 0: disabled.
+
+What:		/sys/class/power_supply/max77693-charger/device/top_off_timer
+Date:		January 2015
+KernelVersion:	3.19.0
+Contact:	Krzysztof Kozlowski <k.kozlowski@samsung.com>
+Description:
+		This entry shows and sets the maximum time the max77693
+		charger operates in top-off charge mode. When the timer expires
+		the device will terminate top-off charge mode (charging current
+		will drop to 0 A) and will trigger interrupt.
+
+		Valid values:
+		- 0 - 70 (minutes), step by 10 (rounded down)

Documentation/devicetree/bindings/arm/brcm-brcmstb.txt

@@ -79,7 +79,9 @@ reboot
 Required properties
 
     - compatible
-        The string property "brcm,brcmstb-reboot".
+        The string property "brcm,brcmstb-reboot" for 40nm/28nm chips with
+        the new SYS_CTRL interface, or "brcm,bcm7038-reboot" for 65nm
+        chips with the old SUN_TOP_CTRL interface.
 
     - syscon
         A phandle / integer array that points to the syscon node which describes

Documentation/devicetree/bindings/mfd/max77693.txt

@@ -41,6 +41,41 @@ Optional properties:
 	 To get more informations, please refer to documentaion.
 	[*] refer Documentation/devicetree/bindings/pwm/pwm.txt
 
+- charger : Node configuring the charger driver.
+  If present, required properties:
+  - compatible : Must be "maxim,max77693-charger".
+
+  Optional properties (if not set, defaults will be used):
+  - maxim,constant-microvolt : Battery constant voltage in uV. The charger
+    will operate in fast charge constant current mode till battery voltage
+    reaches this level. Then the charger will switch to fast charge constant
+    voltage mode. Also vsys (system voltage) will be set to this value when
+    DC power is supplied but charger is not enabled.
+    Valid values: 3650000 - 4400000, step by 25000 (rounded down)
+    Default: 4200000
+
+  - maxim,min-system-microvolt : Minimal system voltage in uV.
+    Valid values: 3000000 - 3700000, step by 100000 (rounded down)
+    Default: 3600000
+
+  - maxim,thermal-regulation-celsius : Temperature in Celsius for entering
+    high temperature charging mode. If die temperature exceeds this value
+    the charging current will be reduced by 105 mA/Celsius.
+    Valid values: 70, 85, 100, 115
+    Default: 100
+
+  - maxim,battery-overcurrent-microamp : Overcurrent protection threshold
+    in uA (current from battery to system).
+    Valid values: 2000000 - 3500000, step by 250000 (rounded down)
+    Default: 3500000
+
+  - maxim,charge-input-threshold-microvolt : Threshold voltage in uV for
+    triggering input voltage regulation loop. If input voltage decreases
+    below this value, the input current will be reduced to reach the
+    threshold voltage.
+    Valid values: 4300000, 4700000, 4800000, 4900000
+    Default: 4300000
+
 Example:
 	max77693@66 {
 		compatible = "maxim,max77693";
@@ -73,4 +108,14 @@ Example:
 			pwms = <&pwm 0 40000 0>;
 			pwm-names = "haptic";
 		};
+
+		charger {
+			compatible = "maxim,max77693-charger";
+
+			maxim,constant-microvolt = <4200000>;
+			maxim,min-system-microvolt = <3600000>;
+			maxim,thermal-regulation-celsius = <75>;
+			maxim,battery-overcurrent-microamp = <3000000>;
+			maxim,charge-input-threshold-microvolt = <4300000>;
+		};
 	};

Documentation/devicetree/bindings/power/ltc2941.txt

+binding for LTC2941 and LTC2943 battery gauges
+
+Both the LTC2941 and LTC2943 measure battery capacity.
+The LTC2943 is compatible with the LTC2941, it adds voltage and
+temperature monitoring, and uses a slightly different conversion
+formula for the charge counter.
+
+Required properties:
+- compatible: Should contain "ltc2941" or "ltc2943" which also indicates the
+    type of I2C chip attached.
+- reg: The 7-bit I2C address.
+- lltc,resistor-sense: The sense resistor value in milli-ohms. Can be a 32-bit
+    negative value when the battery has been connected to the wrong end of the
+    resistor.
+- lltc,prescaler-exponent: The prescaler exponent as explained in the datasheet.
+    This determines the range and accuracy of the gauge. The value is programmed
+    into the chip only if it differs from the current setting. The setting is
+    lost when the battery is disconnected.
+
+Example from the Topic Miami Florida board:
+
+	fuelgauge: ltc2943@64 {
+		compatible = "ltc2943";
+		reg = <0x64>;
+		lltc,resistor-sense = <15>;
+		lltc,prescaler-exponent = <5>; /* 2^(2*5) = 1024 */
+	};

Documentation/devicetree/bindings/power/reset/ltc2952-poweroff.txt

 Binding for the LTC2952 PowerPath controller
 
 This chip is used to externally trigger a system shut down. Once the trigger has
-been sent, the chips' watchdog has to be reset to gracefully shut down.
-If the Linux systems decides to shut down it powers off the platform via the
-kill signal.
+been sent, the chip's watchdog has to be reset to gracefully shut down.
+A full powerdown can be triggered via the kill signal.
 
 Required properties:
 
 - compatible:		Must contain: "lltc,ltc2952"
-- trigger-gpios:	phandle + gpio-specifier for the GPIO connected to the
-			chip's trigger line
 - watchdog-gpios:	phandle + gpio-specifier for the GPIO connected to the
 			chip's watchdog line
 - kill-gpios:		phandle + gpio-specifier for the GPIO connected to the
 			chip's kill line
 
+Optional properties:
+- trigger-gpios:	phandle + gpio-specifier for the GPIO connected to the
+			chip's trigger line. If this property is not set, the
+			trigger function is ignored and the chip is kept alive
+			until an explicit kill signal is received
+
 Example:
 
 ltc2952 {

MAINTAINERS

@@ -6165,6 +6165,13 @@ F:	Documentation/devicetree/bindings/i2c/max6697.txt
 F:	drivers/hwmon/max6697.c
 F:	include/linux/platform_data/max6697.h
 
+MAXIM MUIC CHARGER DRIVERS FOR EXYNOS BASED BOARDS
+M:	Krzysztof Kozlowski <k.kozlowski@samsung.com>
+L:	linux-pm@vger.kernel.org
+S:	Supported
+F:	drivers/power/max14577_charger.c
+F:	drivers/power/max77693_charger.c
+
 MAXIRADIO FM RADIO RECEIVER DRIVER
 M:	Hans Verkuil <hverkuil@xs4all.nl>
 L:	linux-media@vger.kernel.org

drivers/power/88pm860x_charger.c

@@ -711,6 +711,7 @@ static int pm860x_charger_probe(struct platform_device *pdev)
 	return 0;
 
 out_irq:
+	power_supply_unregister(&info->usb);
 	while (--i >= 0)
 		free_irq(info->irq[i], info);
 out:

drivers/power/Kconfig

@@ -315,7 +315,7 @@ config CHARGER_GPIO
 
 config CHARGER_MANAGER
 	bool "Battery charger manager for multiple chargers"
-	depends on REGULATOR && RTC_CLASS
+	depends on REGULATOR
 	select EXTCON
 	help
           Say Y to enable charger-manager support, which allows multiple
@@ -327,11 +327,16 @@ config CHARGER_MANAGER
 config CHARGER_MAX14577
 	tristate "Maxim MAX14577/77836 battery charger driver"
 	depends on MFD_MAX14577
-	depends on SYSFS
 	help
 	  Say Y to enable support for the battery charger control sysfs and
 	  platform data of MAX14577/77836 MUICs.
 
+config CHARGER_MAX77693
+	tristate "Maxim MAX77693 battery charger driver"
+	depends on MFD_MAX77693
+	help
+	  Say Y to enable support for the Maxim MAX77693 battery charger.
+
 config CHARGER_MAX8997
 	tristate "Maxim MAX8997/MAX8966 PMIC battery charger driver"
 	depends on MFD_MAX8997 && REGULATOR_MAX8997
@@ -383,6 +388,14 @@ config CHARGER_TPS65090
 	 Say Y here to enable support for battery charging with TPS65090
 	 PMIC chips.
 
+config BATTERY_GAUGE_LTC2941
+	tristate "LTC2941/LTC2943 Battery Gauge Driver"
+	depends on I2C
+	help
+	  Say Y here to include support for LTC2941 and LTC2943 Battery
+	  Gauge IC. The driver reports the charge count continuously, and
+	  measures the voltage and temperature every 10 seconds.
+
 config AB8500_BM
 	bool "AB8500 Battery Management Driver"
 	depends on AB8500_CORE && AB8500_GPADC
@@ -397,6 +410,14 @@ config BATTERY_GOLDFISH
 	  Say Y to enable support for the battery and AC power in the
 	  Goldfish emulator.
 
+config BATTERY_RT5033
+	tristate "RT5033 fuel gauge support"
+	depends on MFD_RT5033
+	help
+	  This adds support for battery fuel gauge in Richtek RT5033 PMIC.
+	  The fuelgauge calculates and determines the battery state of charge
+	  according to battery open circuit voltage.
+
 source "drivers/power/reset/Kconfig"
 
 endif # POWER_SUPPLY

drivers/power/Makefile

@@ -20,6 +20,7 @@ obj-$(CONFIG_BATTERY_DS2760)	+= ds2760_battery.o
 obj-$(CONFIG_BATTERY_DS2780)	+= ds2780_battery.o
 obj-$(CONFIG_BATTERY_DS2781)	+= ds2781_battery.o
 obj-$(CONFIG_BATTERY_DS2782)	+= ds2782_battery.o
+obj-$(CONFIG_BATTERY_GAUGE_LTC2941)	+= ltc2941-battery-gauge.o
 obj-$(CONFIG_BATTERY_GOLDFISH)	+= goldfish_battery.o
 obj-$(CONFIG_BATTERY_PMU)	+= pmu_battery.o
 obj-$(CONFIG_BATTERY_OLPC)	+= olpc_battery.o
@@ -34,6 +35,7 @@ obj-$(CONFIG_BATTERY_DA9052)	+= da9052-battery.o
 obj-$(CONFIG_BATTERY_MAX17040)	+= max17040_battery.o
 obj-$(CONFIG_BATTERY_MAX17042)	+= max17042_battery.o
 obj-$(CONFIG_BATTERY_Z2)	+= z2_battery.o
+obj-$(CONFIG_BATTERY_RT5033)	+= rt5033_battery.o
 obj-$(CONFIG_BATTERY_S3C_ADC)	+= s3c_adc_battery.o
 obj-$(CONFIG_BATTERY_TWL4030_MADC)	+= twl4030_madc_battery.o
 obj-$(CONFIG_CHARGER_88PM860X)	+= 88pm860x_charger.o
@@ -50,6 +52,7 @@ obj-$(CONFIG_CHARGER_LP8788)	+= lp8788-charger.o
 obj-$(CONFIG_CHARGER_GPIO)	+= gpio-charger.o
 obj-$(CONFIG_CHARGER_MANAGER)	+= charger-manager.o
 obj-$(CONFIG_CHARGER_MAX14577)	+= max14577_charger.o
+obj-$(CONFIG_CHARGER_MAX77693)	+= max77693_charger.o
 obj-$(CONFIG_CHARGER_MAX8997)	+= max8997_charger.o
 obj-$(CONFIG_CHARGER_MAX8998)	+= max8998_charger.o
 obj-$(CONFIG_CHARGER_BQ2415X)	+= bq2415x_charger.o

drivers/power/ab8500_fg.c

@@ -2435,20 +2435,6 @@ static void ab8500_fg_reinit_work(struct work_struct *work)
 	}
 }
 
-/**
- * ab8500_fg_reinit() - forces FG algorithm to reinitialize with current values
- *
- * This function can be used to force the FG algorithm to recalculate a new
- * voltage based battery capacity.
- */
-void ab8500_fg_reinit(void)
-{
-	struct ab8500_fg *di = ab8500_fg_get();
-	/* User won't be notified if a null pointer returned. */
-	if (di != NULL)
-		queue_delayed_work(di->fg_wq, &di->fg_reinit_work, 0);
-}
-
 /* Exposure to the sysfs interface */
 
 struct ab8500_fg_sysfs_entry {

drivers/power/bq24190_charger.c

@@ -929,7 +929,7 @@ static void bq24190_charger_init(struct power_supply *charger)
 	charger->properties = bq24190_charger_properties;
 	charger->num_properties = ARRAY_SIZE(bq24190_charger_properties);
 	charger->supplied_to = bq24190_charger_supplied_to;
-	charger->num_supplies = ARRAY_SIZE(bq24190_charger_supplied_to);
+	charger->num_supplicants = ARRAY_SIZE(bq24190_charger_supplied_to);
 	charger->get_property = bq24190_charger_get_property;
 	charger->set_property = bq24190_charger_set_property;
 	charger->property_is_writeable = bq24190_charger_property_is_writeable;
@@ -1208,7 +1208,7 @@ static irqreturn_t bq24190_irq_handler_thread(int irq, void *data)
 {
 	struct bq24190_dev_info *bdi = data;
 	bool alert_userspace = false;
-	u8 ss_reg, f_reg;
+	u8 ss_reg = 0, f_reg = 0;
 	int ret;
 
 	pm_runtime_get_sync(bdi->dev);

drivers/power/bq27x00_battery.c

@@ -76,7 +76,8 @@
 
 /* bq27425 register addresses are same as bq27x00 addresses minus 4 */
 #define BQ27425_REG_OFFSET		0x04
-#define BQ27425_REG_SOC			0x18 /* Register address plus offset */
+#define BQ27425_REG_SOC		(0x1C + BQ27425_REG_OFFSET)
+#define BQ27425_REG_DCAP		(0x3C + BQ27425_REG_OFFSET)
 
 #define BQ27000_RS			20 /* Resistor sense */
 #define BQ27x00_POWER_CONSTANT		(256 * 29200 / 1000)
@@ -282,9 +283,12 @@ static int bq27x00_battery_read_ilmd(struct bq27x00_device_info *di)
 {
 	int ilmd;
 
-	if (bq27xxx_is_chip_version_higher(di))
-		ilmd = bq27x00_read(di, BQ27500_REG_DCAP, false);
+	if (bq27xxx_is_chip_version_higher(di)) {
+		if (di->chip == BQ27425)
+			ilmd = bq27x00_read(di, BQ27425_REG_DCAP, false);
 		else
+			ilmd = bq27x00_read(di, BQ27500_REG_DCAP, false);
+	} else
 		ilmd = bq27x00_read(di, BQ27000_REG_ILMD, true);
 
 	if (ilmd < 0) {
@@ -493,10 +497,11 @@ static void bq27x00_update(struct bq27x00_device_info *di)
 			di->charge_design_full = bq27x00_battery_read_ilmd(di);
 	}
 
-	if (memcmp(&di->cache, &cache, sizeof(cache)) != 0) {
-		di->cache = cache;
+	if (di->cache.capacity != cache.capacity)
 		power_supply_changed(&di->bat);
-	}
+
+	if (memcmp(&di->cache, &cache, sizeof(cache)) != 0)
+		di->cache = cache;
 
 	di->last_update = jiffies;
 }

drivers/power/collie_battery.c

@@ -26,6 +26,7 @@
 static DEFINE_MUTEX(bat_lock); /* protects gpio pins */
 static struct work_struct bat_work;
 static struct ucb1x00 *ucb;
+static int wakeup_enabled;
 
 struct collie_bat {
 	int status;
@@ -291,11 +292,21 @@ static int collie_bat_suspend(struct ucb1x00_dev *dev)
 {
 	/* flush all pending status updates */
 	flush_work(&bat_work);
+
+	if (device_may_wakeup(&dev->ucb->dev) &&
+	    collie_bat_main.status == POWER_SUPPLY_STATUS_CHARGING)
+		wakeup_enabled = !enable_irq_wake(gpio_to_irq(COLLIE_GPIO_CO));
+	else
+		wakeup_enabled = 0;
+
 	return 0;
 }
 
 static int collie_bat_resume(struct ucb1x00_dev *dev)
 {
+	if (wakeup_enabled)
+		disable_irq_wake(gpio_to_irq(COLLIE_GPIO_CO));
+
 	/* things may have changed while we were away */
 	schedule_work(&bat_work);
 	return 0;
@@ -334,10 +345,15 @@ static int collie_bat_probe(struct ucb1x00_dev *dev)
 				collie_bat_gpio_isr,
 				IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 				"main full", &collie_bat_main);
-	if (!ret) {
+	if (ret)
+		goto err_irq;
+
+	device_init_wakeup(&ucb->dev, 1);
 	schedule_work(&bat_work);
+
 	return 0;
-	}
+
+err_irq:
 	power_supply_unregister(&collie_bat_bu.psy);
 err_psy_reg_bu:
 	power_supply_unregister(&collie_bat_main.psy);

drivers/power/gpio-charger.c

@@ -229,7 +229,7 @@ static int gpio_charger_suspend(struct device *dev)
 
 	if (device_may_wakeup(dev))
 		gpio_charger->wakeup_enabled =
-			enable_irq_wake(gpio_charger->irq);
+			!enable_irq_wake(gpio_charger->irq);
 
 	return 0;
 }
@@ -239,7 +239,7 @@ static int gpio_charger_resume(struct device *dev)
 	struct platform_device *pdev = to_platform_device(dev);
 	struct gpio_charger *gpio_charger = platform_get_drvdata(pdev);
 
-	if (gpio_charger->wakeup_enabled)
+	if (device_may_wakeup(dev) && gpio_charger->wakeup_enabled)
 		disable_irq_wake(gpio_charger->irq);
 	power_supply_changed(&gpio_charger->charger);
 

drivers/power/max17042_battery.c

@@ -658,7 +658,7 @@ max17042_get_pdata(struct device *dev)
 }
 #endif
 
-static struct regmap_config max17042_regmap_config = {
+static const struct regmap_config max17042_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 16,
 	.val_format_endian = REGMAP_ENDIAN_NATIVE,

drivers/power/reset/Kconfig

@@ -39,14 +39,13 @@ config POWER_RESET_AXXIA
 	  Say Y if you have an Axxia family SoC.
 
 config POWER_RESET_BRCMSTB
-	bool "Broadcom STB reset driver" if COMPILE_TEST
-	depends on ARM
+	bool "Broadcom STB reset driver"
+	depends on ARM || MIPS || COMPILE_TEST
 	default ARCH_BRCMSTB
 	help
-	  This driver provides restart support for ARM-based Broadcom STB
-	  boards.
+	  This driver provides restart support for Broadcom STB boards.
 
-	  Say Y here if you have an ARM-based Broadcom STB board and you wish
+	  Say Y here if you have a Broadcom STB board and you wish
 	  to have restart support.
 
 config POWER_RESET_GPIO
@@ -104,23 +103,16 @@ config POWER_RESET_QNAP
 
 config POWER_RESET_RESTART
 	bool "Restart power-off driver"
-	depends on ARM
 	help
 	  Some boards don't actually have the ability to power off.
 	  Instead they restart, and u-boot holds the SoC until the
 	  user presses a key. u-boot then boots into Linux.
 
-config POWER_RESET_SUN6I
-	bool "Allwinner A31 SoC reset driver"
-	depends on ARCH_SUNXI
-	help
-	  Reboot support for the Allwinner A31 SoCs.
-
 config POWER_RESET_ST
-	bool "ST restart power-off driver"
+	bool "ST restart driver"
 	depends on ARCH_STI
 	help
-	  Power off and reset support for STMicroelectronics boards.
+	  Reset support for STMicroelectronics boards.
 
 config POWER_RESET_VERSATILE
 	bool "ARM Versatile family reboot driver"
@@ -159,5 +151,11 @@ config POWER_RESET_SYSCON
 	help
 	  Reboot support for generic SYSCON mapped register reset.
 
+config POWER_RESET_RMOBILE
+	tristate "Renesas R-Mobile reset driver"
+	depends on ARCH_RMOBILE || COMPILE_TEST
+	help
+	  Reboot support for Renesas R-Mobile and SH-Mobile SoCs.
+
 endif
 

drivers/power/reset/Makefile

@@ -11,10 +11,10 @@ obj-$(CONFIG_POWER_RESET_MSM) += msm-poweroff.o
 obj-$(CONFIG_POWER_RESET_LTC2952) += ltc2952-poweroff.o
 obj-$(CONFIG_POWER_RESET_QNAP) += qnap-poweroff.o
 obj-$(CONFIG_POWER_RESET_RESTART) += restart-poweroff.o
-obj-$(CONFIG_POWER_RESET_SUN6I) += sun6i-reboot.o
 obj-$(CONFIG_POWER_RESET_ST) += st-poweroff.o
 obj-$(CONFIG_POWER_RESET_VERSATILE) += arm-versatile-reboot.o
 obj-$(CONFIG_POWER_RESET_VEXPRESS) += vexpress-poweroff.o
 obj-$(CONFIG_POWER_RESET_XGENE) += xgene-reboot.o
 obj-$(CONFIG_POWER_RESET_KEYSTONE) += keystone-reset.o
 obj-$(CONFIG_POWER_RESET_SYSCON) += syscon-reboot.o
+obj-$(CONFIG_POWER_RESET_RMOBILE) += rmobile-reset.o

drivers/power/reset/arm-versatile-reboot.c

@@ -13,16 +13,22 @@
 #include <linux/reboot.h>
 #include <linux/regmap.h>
 #include <linux/of.h>
-#include <asm/system_misc.h>
+
+#define INTEGRATOR_HDR_CTRL_OFFSET	0x0C
+#define INTEGRATOR_HDR_LOCK_OFFSET	0x14
+#define INTEGRATOR_CM_CTRL_RESET	(1 << 3)
 
 #define REALVIEW_SYS_LOCK_OFFSET	0x20
-#define REALVIEW_SYS_LOCK_VAL		0xA05F
 #define REALVIEW_SYS_RESETCTL_OFFSET	0x40
 
+/* Magic unlocking token used on all Versatile boards */
+#define VERSATILE_LOCK_VAL		0xA05F
+
 /*
  * We detect the different syscon types from the compatible strings.
  */
 enum versatile_reboot {
+	INTEGRATOR_REBOOT_CM,
 	REALVIEW_REBOOT_EB,
 	REALVIEW_REBOOT_PB1176,
 	REALVIEW_REBOOT_PB11MP,
@@ -35,6 +41,10 @@ static struct regmap *syscon_regmap;
 static enum versatile_reboot versatile_reboot_type;
 
 static const struct of_device_id versatile_reboot_of_match[] = {
+	{
+		.compatible = "arm,core-module-integrator",
+		.data = (void *)INTEGRATOR_REBOOT_CM
+	},
 	{
 		.compatible = "arm,realview-eb-syscon",
 		.data = (void *)REALVIEW_REBOOT_EB,
@@ -55,31 +65,47 @@ static const struct of_device_id versatile_reboot_of_match[] = {
 		.compatible = "arm,realview-pbx-syscon",
 		.data = (void *)REALVIEW_REBOOT_PBX,
 	},
+	{},
 };
 
-static void versatile_reboot(enum reboot_mode mode, const char *cmd)
+static int versatile_reboot(struct notifier_block *this, unsigned long mode,
+			    void *cmd)
 {
 	/* Unlock the reset register */
-	regmap_write(syscon_regmap, REALVIEW_SYS_LOCK_OFFSET,
-		     REALVIEW_SYS_LOCK_VAL);
 	/* Then hit reset on the different machines */
 	switch (versatile_reboot_type) {
+	case INTEGRATOR_REBOOT_CM:
+		regmap_write(syscon_regmap, INTEGRATOR_HDR_LOCK_OFFSET,
+			     VERSATILE_LOCK_VAL);
+		regmap_update_bits(syscon_regmap,
+				   INTEGRATOR_HDR_CTRL_OFFSET,
+				   INTEGRATOR_CM_CTRL_RESET,
+				   INTEGRATOR_CM_CTRL_RESET);
+		break;
 	case REALVIEW_REBOOT_EB:
+		regmap_write(syscon_regmap, REALVIEW_SYS_LOCK_OFFSET,
+			     VERSATILE_LOCK_VAL);
 		regmap_write(syscon_regmap,
 			     REALVIEW_SYS_RESETCTL_OFFSET, 0x0008);
 		break;
 	case REALVIEW_REBOOT_PB1176:
+		regmap_write(syscon_regmap, REALVIEW_SYS_LOCK_OFFSET,
+			     VERSATILE_LOCK_VAL);
 		regmap_write(syscon_regmap,
 			     REALVIEW_SYS_RESETCTL_OFFSET, 0x0100);
 		break;
 	case REALVIEW_REBOOT_PB11MP:
 	case REALVIEW_REBOOT_PBA8:
+		regmap_write(syscon_regmap, REALVIEW_SYS_LOCK_OFFSET,
+			     VERSATILE_LOCK_VAL);
 		regmap_write(syscon_regmap, REALVIEW_SYS_RESETCTL_OFFSET,
 			     0x0000);
 		regmap_write(syscon_regmap, REALVIEW_SYS_RESETCTL_OFFSET,
 			     0x0004);
 		break;
 	case REALVIEW_REBOOT_PBX:
+		regmap_write(syscon_regmap, REALVIEW_SYS_LOCK_OFFSET,
+			     VERSATILE_LOCK_VAL);
 		regmap_write(syscon_regmap, REALVIEW_SYS_RESETCTL_OFFSET,
 			     0x00f0);
 		regmap_write(syscon_regmap, REALVIEW_SYS_RESETCTL_OFFSET,
@@ -87,12 +113,20 @@ static void versatile_reboot(enum reboot_mode mode, const char *cmd)
 		break;
 	}
 	dsb();
+
+	return NOTIFY_DONE;
 }
 
+static struct notifier_block versatile_reboot_nb = {
+	.notifier_call = versatile_reboot,
+	.priority = 192,
+};
+
 static int __init versatile_reboot_probe(void)
 {
 	const struct of_device_id *reboot_id;
 	struct device_node *np;
+	int err;
 
 	np = of_find_matching_node_and_match(NULL, versatile_reboot_of_match,
 						 &reboot_id);
@@ -104,7 +138,10 @@ static int __init versatile_reboot_probe(void)
 	if (IS_ERR(syscon_regmap))
 		return PTR_ERR(syscon_regmap);
 
-	arm_pm_restart = versatile_reboot;
+	err = register_restart_handler(&versatile_reboot_nb);
+	if (err)
+		return err;
+
 	pr_info("versatile reboot driver registered\n");
 	return 0;
 }

drivers/power/reset/at91-poweroff.c

@@ -71,10 +71,11 @@ static void at91_poweroff(void)
 	writel(AT91_SHDW_KEY | AT91_SHDW_SHDW, at91_shdwc_base + AT91_SHDW_CR);
 }
 
-const enum wakeup_type at91_poweroff_get_wakeup_mode(struct device_node *np)
+static int at91_poweroff_get_wakeup_mode(struct device_node *np)
 {
 	const char *pm;
-	int err, i;
+	unsigned int i;
+	int err;
 
 	err = of_property_read_string(np, "atmel,wakeup-mode", &pm);
 	if (err < 0)
@@ -90,7 +91,7 @@ const enum wakeup_type at91_poweroff_get_wakeup_mode(struct device_node *np)
 static void at91_poweroff_dt_set_wakeup_mode(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
-	enum wakeup_type wakeup_mode;
+	int wakeup_mode;
 	u32 mode = 0, tmp;
 
 	wakeup_mode = at91_poweroff_get_wakeup_mode(np);

drivers/power/reset/at91-reset.c

@@ -17,8 +17,6 @@
 #include <linux/platform_device.h>
 #include <linux/reboot.h>
 
-#include <asm/system_misc.h>
-
 #include <soc/at91/at91sam9_ddrsdr.h>
 #include <soc/at91/at91sam9_sdramc.h>
 
@@ -54,7 +52,8 @@ static void __iomem *at91_ramc_base[2], *at91_rstc_base;
 * reset register it can be left driving the data bus and
 * killing the chance of a subsequent boot from NAND
 */
-static void at91sam9260_restart(enum reboot_mode mode, const char *cmd)
+static int at91sam9260_restart(struct notifier_block *this, unsigned long mode,
+			       void *cmd)
 {
 	asm volatile(
 		/* Align to cache lines */
@@ -76,9 +75,12 @@ static void at91sam9260_restart(enum reboot_mode mode, const char *cmd)
 		  "r" (1),
 		  "r" (AT91_SDRAMC_LPCB_POWER_DOWN),
 		  "r" (AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST));
+
+	return NOTIFY_DONE;
 }
 
-static void at91sam9g45_restart(enum reboot_mode mode, const char *cmd)
+static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode,
+			       void *cmd)
 {
 	asm volatile(
 		/*
@@ -117,6 +119,8 @@ static void at91sam9g45_restart(enum reboot_mode mode, const char *cmd)
 		  "r" (AT91_DDRSDRC_LPCB_POWER_DOWN),
 		  "r" (AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST)
 		: "r0");
+
+	return NOTIFY_DONE;
 }
 
 static void __init at91_reset_status(struct platform_device *pdev)
@@ -161,6 +165,10 @@ static struct of_device_id at91_reset_of_match[] = {
 	{ /* sentinel */ }
 };
 
+static struct notifier_block at91_restart_nb = {
+	.priority = 192,
+};
+
 static int at91_reset_of_probe(struct platform_device *pdev)
 {
 	const struct of_device_id *match;
@@ -183,9 +191,8 @@ static int at91_reset_of_probe(struct platform_device *pdev)
 	}
 
 	match = of_match_node(at91_reset_of_match, pdev->dev.of_node);
-	arm_pm_restart = match->data;
-
-	return 0;
+	at91_restart_nb.notifier_call = match->data;
+	return register_restart_handler(&at91_restart_nb);
 }
 
 static int at91_reset_platform_probe(struct platform_device *pdev)
@@ -212,10 +219,11 @@ static int at91_reset_platform_probe(struct platform_device *pdev)
 	}
 
 	match = platform_get_device_id(pdev);
-	arm_pm_restart = (void (*)(enum reboot_mode, const char*))
-		match->driver_data;
+	at91_restart_nb.notifier_call =
+		(int (*)(struct notifier_block *,
+			 unsigned long, void *)) match->driver_data;
 
-	return 0;
+	return register_restart_handler(&at91_restart_nb);
 }
 
 static int at91_reset_probe(struct platform_device *pdev)

drivers/power/reset/brcmstb-reboot.c

@@ -11,6 +11,7 @@
  * GNU General Public License for more details.
  */
 
+#include <linux/bitops.h>
 #include <linux/device.h>
 #include <linux/errno.h>
 #include <linux/init.h>
@@ -34,13 +35,20 @@ static struct regmap *regmap;
 static u32 rst_src_en;
 static u32 sw_mstr_rst;
 
+struct reset_reg_mask {
+	u32 rst_src_en_mask;
+	u32 sw_mstr_rst_mask;
+};
+
+static const struct reset_reg_mask *reset_masks;
+
 static int brcmstb_restart_handler(struct notifier_block *this,
 				   unsigned long mode, void *cmd)
 {
 	int rc;
 	u32 tmp;
 
-	rc = regmap_write(regmap, rst_src_en, 1);
+	rc = regmap_write(regmap, rst_src_en, reset_masks->rst_src_en_mask);
 	if (rc) {
 		pr_err("failed to write rst_src_en (%d)\n", rc);
 		return NOTIFY_DONE;
@@ -52,7 +60,7 @@ static int brcmstb_restart_handler(struct notifier_block *this,
 		return NOTIFY_DONE;
 	}
 
-	rc = regmap_write(regmap, sw_mstr_rst, 1);
+	rc = regmap_write(regmap, sw_mstr_rst, reset_masks->sw_mstr_rst_mask);
 	if (rc) {
 		pr_err("failed to write sw_mstr_rst (%d)\n", rc);
 		return NOTIFY_DONE;
@@ -75,10 +83,34 @@ static struct notifier_block brcmstb_restart_nb = {
 	.priority = 128,
 };
 
+static const struct reset_reg_mask reset_bits_40nm = {
+	.rst_src_en_mask = BIT(0),
+	.sw_mstr_rst_mask = BIT(0),
+};
+
+static const struct reset_reg_mask reset_bits_65nm = {
+	.rst_src_en_mask = BIT(3),
+	.sw_mstr_rst_mask = BIT(31),
+};
+
+static const struct of_device_id of_match[] = {
+	{ .compatible = "brcm,brcmstb-reboot", .data = &reset_bits_40nm },
+	{ .compatible = "brcm,bcm7038-reboot", .data = &reset_bits_65nm },
+	{},
+};
+
 static int brcmstb_reboot_probe(struct platform_device *pdev)
 {
 	int rc;
 	struct device_node *np = pdev->dev.of_node;
+	const struct of_device_id *of_id;
+
+	of_id = of_match_node(of_match, np);
+	if (!of_id) {
+		pr_err("failed to look up compatible string\n");
+		return -EINVAL;
+	}
+	reset_masks = of_id->data;
 
 	regmap = syscon_regmap_lookup_by_phandle(np, "syscon");
 	if (IS_ERR(regmap)) {
@@ -108,11 +140,6 @@ static int brcmstb_reboot_probe(struct platform_device *pdev)
 	return rc;
 }
 
-static const struct of_device_id of_match[] = {
-	{ .compatible = "brcm,brcmstb-reboot", },
-	{},
-};
-
 static struct platform_driver brcmstb_reboot_driver = {
 	.probe = brcmstb_reboot_probe,
 	.driver = {

drivers/power/reset/restart-poweroff.c

@@ -16,7 +16,6 @@
 #include <linux/of_platform.h>
 #include <linux/module.h>
 #include <linux/reboot.h>
-#include <asm/system_misc.h>
 
 static void restart_poweroff_do_poweroff(void)
 {

drivers/power/reset/rmobile-reset.c

+/*
+ * Renesas R-Mobile Reset Driver
+ *
+ * Copyright (C) 2014 Glider bvba
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/notifier.h>
+#include <linux/of_address.h>
+#include <linux/platform_device.h>
+#include <linux/printk.h>
+#include <linux/reboot.h>
+
+/* SYSC Register Bank 2 */
+#define RESCNT2		0x20		/* Reset Control Register 2 */
+
+/* Reset Control Register 2 */
+#define RESCNT2_PRES	0x80000000	/* Soft power-on reset */
+
+static void __iomem *sysc_base2;
+
+static int rmobile_reset_handler(struct notifier_block *this,
+				 unsigned long mode, void *cmd)
+{
+	pr_debug("%s %lu\n", __func__, mode);
+
+	/* Let's assume we have acquired the HPB semaphore */
+	writel(RESCNT2_PRES, sysc_base2 + RESCNT2);
+
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block rmobile_reset_nb = {
+	.notifier_call = rmobile_reset_handler,
+	.priority = 192,
+};
+
+static int rmobile_reset_probe(struct platform_device *pdev)
+{
+	int error;
+
+	sysc_base2 = of_iomap(pdev->dev.of_node, 1);
+	if (!sysc_base2)
+		return -ENODEV;
+
+	error = register_restart_handler(&rmobile_reset_nb);
+	if (error) {
+		dev_err(&pdev->dev,
+			"cannot register restart handler (err=%d)\n", error);
+		goto fail_unmap;
+	}
+
+	return 0;
+
+fail_unmap:
+	iounmap(sysc_base2);
+	return error;
+}
+
+static int rmobile_reset_remove(struct platform_device *pdev)
+{
+	unregister_restart_handler(&rmobile_reset_nb);
+	iounmap(sysc_base2);
+	return 0;
+}
+
+static const struct of_device_id rmobile_reset_of_match[] = {
+	{ .compatible = "renesas,sysc-rmobile", },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, rmobile_reset_of_match);
+
+static struct platform_driver rmobile_reset_driver = {
+	.probe = rmobile_reset_probe,
+	.remove = rmobile_reset_remove,
+	.driver = {
+		.name = "rmobile_reset",
+		.of_match_table = rmobile_reset_of_match,
+	},
+};
+
+module_platform_driver(rmobile_reset_driver);
+
+MODULE_DESCRIPTION("Renesas R-Mobile Reset Driver");
+MODULE_AUTHOR("Geert Uytterhoeven <geert+renesas@glider.be>");
+MODULE_LICENSE("GPL v2");

drivers/power/reset/st-poweroff.c

@@ -15,10 +15,9 @@
 #include <linux/of_platform.h>
 #include <linux/platform_device.h>
 #include <linux/mfd/syscon.h>
+#include <linux/reboot.h>
 #include <linux/regmap.h>
 
-#include <asm/system_misc.h>
-
 struct reset_syscfg {
 	struct regmap *regmap;
 	/* syscfg used for reset */
@@ -75,7 +74,8 @@ static struct reset_syscfg stid127_reset = {
 
 static struct reset_syscfg *st_restart_syscfg;
 
-static void st_restart(enum reboot_mode reboot_mode, const char *cmd)
+static int st_restart(struct notifier_block *this, unsigned long mode,
+		      void *cmd)
 {
 	/* reset syscfg updated */
 	regmap_update_bits(st_restart_syscfg->regmap,
@@ -88,8 +88,15 @@ static void st_restart(enum reboot_mode reboot_mode, const char *cmd)
 			   st_restart_syscfg->offset_rst_msk,
 			   st_restart_syscfg->mask_rst_msk,
 			   0);
+
+	return NOTIFY_DONE;
 }
 
+static struct notifier_block st_restart_nb = {
+	.notifier_call = st_restart,
+	.priority = 192,
+};
+
 static struct of_device_id st_reset_of_match[] = {
 	{
 		.compatible = "st,stih415-restart",
@@ -126,9 +133,7 @@ static int st_reset_probe(struct platform_device *pdev)
 		return PTR_ERR(st_restart_syscfg->regmap);
 	}
 
-	arm_pm_restart = st_restart;
-
-	return 0;
+	return register_restart_handler(&st_restart_nb);
 }
 
 static struct platform_driver st_reset_driver = {

drivers/power/reset/sun6i-reboot.c

-/*
- * Allwinner A31 SoCs reset code
- *
- * Copyright (C) 2012-2014 Maxime Ripard
- *
- * Maxime Ripard <maxime.ripard@free-electrons.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2.  This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/module.h>
-#include <linux/of_address.h>
-#include <linux/platform_device.h>
-#include <linux/reboot.h>
-
-#include <asm/system_misc.h>
-
-#define SUN6I_WATCHDOG1_IRQ_REG		0x00
-#define SUN6I_WATCHDOG1_CTRL_REG	0x10
-#define SUN6I_WATCHDOG1_CTRL_RESTART		BIT(0)
-#define SUN6I_WATCHDOG1_CONFIG_REG	0x14
-#define SUN6I_WATCHDOG1_CONFIG_RESTART		BIT(0)
-#define SUN6I_WATCHDOG1_CONFIG_IRQ		BIT(1)
-#define SUN6I_WATCHDOG1_MODE_REG	0x18
-#define SUN6I_WATCHDOG1_MODE_ENABLE		BIT(0)
-
-static void __iomem *wdt_base;
-
-static void sun6i_wdt_restart(enum reboot_mode mode, const char *cmd)
-{
-	if (!wdt_base)
-		return;
-
-	/* Disable interrupts */
-	writel(0, wdt_base + SUN6I_WATCHDOG1_IRQ_REG);
-
-	/* We want to disable the IRQ and just reset the whole system */
-	writel(SUN6I_WATCHDOG1_CONFIG_RESTART,
-		wdt_base + SUN6I_WATCHDOG1_CONFIG_REG);
-
-	/* Enable timer. The default and lowest interval value is 0.5s */
-	writel(SUN6I_WATCHDOG1_MODE_ENABLE,
-		wdt_base + SUN6I_WATCHDOG1_MODE_REG);
-
-	/* Restart the watchdog. */
-	writel(SUN6I_WATCHDOG1_CTRL_RESTART,
-		wdt_base + SUN6I_WATCHDOG1_CTRL_REG);
-
-	while (1) {
-		mdelay(5);
-		writel(SUN6I_WATCHDOG1_MODE_ENABLE,
-			wdt_base + SUN6I_WATCHDOG1_MODE_REG);
-	}
-}
-
-static int sun6i_reboot_probe(struct platform_device *pdev)
-{
-	wdt_base = of_iomap(pdev->dev.of_node, 0);
-	if (!wdt_base) {
-		WARN(1, "failed to map watchdog base address");
-		return -ENODEV;
-	}
-
-	arm_pm_restart = sun6i_wdt_restart;
-
-	return 0;
-}
-
-static struct of_device_id sun6i_reboot_of_match[] = {
-	{ .compatible = "allwinner,sun6i-a31-wdt" },
-	{}
-};
-
-static struct platform_driver sun6i_reboot_driver = {
-	.probe = sun6i_reboot_probe,
-	.driver = {
-		.name = "sun6i-reboot",
-		.of_match_table = sun6i_reboot_of_match,
-	},
-};
-module_platform_driver(sun6i_reboot_driver);

drivers/power/reset/vexpress-poweroff.c

@@ -111,23 +111,20 @@ static int _vexpress_register_restart_handler(struct device *dev)
 
 static int vexpress_reset_probe(struct platform_device *pdev)
 {
-	enum vexpress_reset_func func;
 	const struct of_device_id *match =
 			of_match_device(vexpress_reset_of_match, &pdev->dev);
 	struct regmap *regmap;
 	int ret = 0;
 
-	if (match)
-		func = (enum vexpress_reset_func)match->data;
-	else
-		func = pdev->id_entry->driver_data;
+	if (!match)
+		return -EINVAL;
 
 	regmap = devm_regmap_init_vexpress_config(&pdev->dev);
 	if (IS_ERR(regmap))
 		return PTR_ERR(regmap);
 	dev_set_drvdata(&pdev->dev, regmap);
 
-	switch (func) {
+	switch ((enum vexpress_reset_func)match->data) {
 	case FUNC_SHUTDOWN:
 		vexpress_power_off_device = &pdev->dev;
 		pm_power_off = vexpress_power_off;
@@ -144,20 +141,12 @@ static int vexpress_reset_probe(struct platform_device *pdev)
 	return ret;
 }
 
-static const struct platform_device_id vexpress_reset_id_table[] = {
-	{ .name = "vexpress-reset", .driver_data = FUNC_RESET, },
-	{ .name = "vexpress-shutdown", .driver_data = FUNC_SHUTDOWN, },
-	{ .name = "vexpress-reboot", .driver_data = FUNC_REBOOT, },
-	{}
-};
-
 static struct platform_driver vexpress_reset_driver = {
 	.probe = vexpress_reset_probe,
 	.driver = {
 		.name = "vexpress-reset",
 		.of_match_table = vexpress_reset_of_match,
 	},
-	.id_table = vexpress_reset_id_table,
 };
 
 static int __init vexpress_reset_init(void)

drivers/power/rt5033_battery.c

+/*
+ * Fuel gauge driver for Richtek RT5033
+ *
+ * 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/module.h>
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+#include <linux/mfd/rt5033-private.h>
+#include <linux/mfd/rt5033.h>
+
+static int rt5033_battery_get_capacity(struct i2c_client *client)
+{
+	struct rt5033_battery *battery = i2c_get_clientdata(client);
+	u32 msb;
+
+	regmap_read(battery->regmap, RT5033_FUEL_REG_SOC_H, &msb);
+
+	return msb;
+}
+
+static int rt5033_battery_get_present(struct i2c_client *client)
+{
+	struct rt5033_battery *battery = i2c_get_clientdata(client);
+	u32 val;
+
+	regmap_read(battery->regmap, RT5033_FUEL_REG_CONFIG_L, &val);
+
+	return (val & RT5033_FUEL_BAT_PRESENT) ? true : false;
+}
+
+static int rt5033_battery_get_watt_prop(struct i2c_client *client,
+		enum power_supply_property psp)
+{
+	struct rt5033_battery *battery = i2c_get_clientdata(client);
+	unsigned int regh, regl;
+	int ret;
+	u32 msb, lsb;
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+		regh = RT5033_FUEL_REG_VBAT_H;
+		regl = RT5033_FUEL_REG_VBAT_L;
+		break;
+	case POWER_SUPPLY_PROP_VOLTAGE_AVG:
+		regh = RT5033_FUEL_REG_AVG_VOLT_H;
+		regl = RT5033_FUEL_REG_AVG_VOLT_L;
+		break;
+	case POWER_SUPPLY_PROP_VOLTAGE_OCV:
+		regh = RT5033_FUEL_REG_OCV_H;
+		regl = RT5033_FUEL_REG_OCV_L;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	regmap_read(battery->regmap, regh, &msb);
+	regmap_read(battery->regmap, regl, &lsb);
+
+	ret = ((msb << 4) + (lsb >> 4)) * 1250 / 1000;
+
+	return ret;
+}
+
+static int rt5033_battery_get_property(struct power_supply *psy,
+		enum power_supply_property psp,
+		union power_supply_propval *val)
+{
+	struct rt5033_battery *battery = container_of(psy,
+				struct rt5033_battery, psy);
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+	case POWER_SUPPLY_PROP_VOLTAGE_AVG:
+	case POWER_SUPPLY_PROP_VOLTAGE_OCV:
+		val->intval = rt5033_battery_get_watt_prop(battery->client,
+									psp);
+		break;
+	case POWER_SUPPLY_PROP_PRESENT:
+		val->intval = rt5033_battery_get_present(battery->client);
+		break;
+	case POWER_SUPPLY_PROP_CAPACITY:
+		val->intval = rt5033_battery_get_capacity(battery->client);
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static enum power_supply_property rt5033_battery_props[] = {
+	POWER_SUPPLY_PROP_VOLTAGE_NOW,
+	POWER_SUPPLY_PROP_VOLTAGE_AVG,
+	POWER_SUPPLY_PROP_VOLTAGE_OCV,
+	POWER_SUPPLY_PROP_PRESENT,
+	POWER_SUPPLY_PROP_CAPACITY,
+};
+
+static struct regmap_config rt5033_battery_regmap_config = {
+	.reg_bits	= 8,
+	.val_bits	= 8,
+	.max_register	= RT5033_FUEL_REG_END,
+};
+
+static int rt5033_battery_probe(struct i2c_client *client,
+		const struct i2c_device_id *id)
+{
+	struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
+	struct rt5033_battery *battery;
+	u32 ret;
+
+	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE))
+		return -EIO;
+
+	battery = devm_kzalloc(&client->dev, sizeof(*battery), GFP_KERNEL);
+	if (!battery)
+		return -EINVAL;
+
+	battery->client = client;
+	battery->regmap = devm_regmap_init_i2c(client,
+			&rt5033_battery_regmap_config);
+	if (IS_ERR(battery->regmap)) {
+		dev_err(&client->dev, "Failed to initialize regmap\n");
+		return -EINVAL;
+	}
+
+	i2c_set_clientdata(client, battery);
+
+	battery->psy.name		= "rt5033-battery";
+	battery->psy.type		= POWER_SUPPLY_TYPE_BATTERY;
+	battery->psy.get_property	= rt5033_battery_get_property;
+	battery->psy.properties		= rt5033_battery_props;
+	battery->psy.num_properties	= ARRAY_SIZE(rt5033_battery_props);
+
+	ret = power_supply_register(&client->dev, &battery->psy);
+	if (ret) {
+		dev_err(&client->dev, "Failed to register power supply\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int rt5033_battery_remove(struct i2c_client *client)
+{
+	struct rt5033_battery *battery = i2c_get_clientdata(client);
+
+	power_supply_unregister(&battery->psy);
+
+	return 0;
+}
+
+static const struct i2c_device_id rt5033_battery_id[] = {
+	{ "rt5033-battery", },
+	{ }
+};
+MODULE_DEVICE_TABLE(platform, rt5033_battery_id);
+
+static struct i2c_driver rt5033_battery_driver = {
+	.driver = {
+		.name = "rt5033-battery",
+	},
+	.probe = rt5033_battery_probe,
+	.remove = rt5033_battery_remove,
+	.id_table = rt5033_battery_id,
+};
+module_i2c_driver(rt5033_battery_driver);
+
+MODULE_DESCRIPTION("Richtek RT5033 fuel gauge driver");
+MODULE_AUTHOR("Beomho Seo <beomho.seo@samsung.com>");
+MODULE_LICENSE("GPL");

drivers/power/test_power.c

@@ -21,6 +21,13 @@
 #include <linux/delay.h>
 #include <linux/vermagic.h>
 
+enum test_power_id {
+	TEST_AC,
+	TEST_BATTERY,
+	TEST_USB,
+	TEST_POWER_NUM,
+};
+
 static int ac_online			= 1;
 static int usb_online			= 1;
 static int battery_status		= POWER_SUPPLY_STATUS_DISCHARGING;
@@ -147,7 +154,7 @@ static char *test_power_ac_supplied_to[] = {
 };
 
 static struct power_supply test_power_supplies[] = {
-	{
+	[TEST_AC] = {
 		.name = "test_ac",
 		.type = POWER_SUPPLY_TYPE_MAINS,
 		.supplied_to = test_power_ac_supplied_to,
@@ -155,13 +162,15 @@ static struct power_supply test_power_supplies[] = {
 		.properties = test_power_ac_props,
 		.num_properties = ARRAY_SIZE(test_power_ac_props),
 		.get_property = test_power_get_ac_property,
-	}, {
+	},
+	[TEST_BATTERY] = {
 		.name = "test_battery",
 		.type = POWER_SUPPLY_TYPE_BATTERY,
 		.properties = test_power_battery_props,
 		.num_properties = ARRAY_SIZE(test_power_battery_props),
 		.get_property = test_power_get_battery_property,
-	}, {
+	},
+	[TEST_USB] = {
 		.name = "test_usb",
 		.type = POWER_SUPPLY_TYPE_USB,
 		.supplied_to = test_power_ac_supplied_to,
@@ -178,6 +187,8 @@ static int __init test_power_init(void)
 	int i;
 	int ret;
 
+	BUILD_BUG_ON(TEST_POWER_NUM != ARRAY_SIZE(test_power_supplies));
+
 	for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++) {
 		ret = power_supply_register(NULL, &test_power_supplies[i]);
 		if (ret) {
@@ -309,7 +320,7 @@ static inline void signal_power_supply_changed(struct power_supply *psy)
 static int param_set_ac_online(const char *key, const struct kernel_param *kp)
 {
 	ac_online = map_get_value(map_ac_online, key, ac_online);
-	signal_power_supply_changed(&test_power_supplies[0]);
+	signal_power_supply_changed(&test_power_supplies[TEST_AC]);
 	return 0;
 }
 
@@ -322,7 +333,7 @@ static int param_get_ac_online(char *buffer, const struct kernel_param *kp)
 static int param_set_usb_online(const char *key, const struct kernel_param *kp)
 {
 	usb_online = map_get_value(map_ac_online, key, usb_online);
-	signal_power_supply_changed(&test_power_supplies[2]);
+	signal_power_supply_changed(&test_power_supplies[TEST_USB]);
 	return 0;
 }
 
@@ -336,7 +347,7 @@ static int param_set_battery_status(const char *key,
 					const struct kernel_param *kp)
 {
 	battery_status = map_get_value(map_status, key, battery_status);
-	signal_power_supply_changed(&test_power_supplies[1]);
+	signal_power_supply_changed(&test_power_supplies[TEST_BATTERY]);
 	return 0;
 }
 
@@ -350,7 +361,7 @@ static int param_set_battery_health(const char *key,
 					const struct kernel_param *kp)
 {
 	battery_health = map_get_value(map_health, key, battery_health);
-	signal_power_supply_changed(&test_power_supplies[1]);
+	signal_power_supply_changed(&test_power_supplies[TEST_BATTERY]);
 	return 0;
 }
 
@@ -364,7 +375,7 @@ static int param_set_battery_present(const char *key,
 					const struct kernel_param *kp)
 {
 	battery_present = map_get_value(map_present, key, battery_present);
-	signal_power_supply_changed(&test_power_supplies[0]);
+	signal_power_supply_changed(&test_power_supplies[TEST_AC]);
 	return 0;
 }
 
@@ -380,7 +391,7 @@ static int param_set_battery_technology(const char *key,
 {
 	battery_technology = map_get_value(map_technology, key,
 						battery_technology);
-	signal_power_supply_changed(&test_power_supplies[1]);
+	signal_power_supply_changed(&test_power_supplies[TEST_BATTERY]);
 	return 0;
 }
 
@@ -401,7 +412,7 @@ static int param_set_battery_capacity(const char *key,
 		return -EINVAL;
 
 	battery_capacity = tmp;
-	signal_power_supply_changed(&test_power_supplies[1]);
+	signal_power_supply_changed(&test_power_supplies[TEST_BATTERY]);
 	return 0;
 }
 
@@ -416,7 +427,7 @@ static int param_set_battery_voltage(const char *key,
 		return -EINVAL;
 
 	battery_voltage = tmp;
-	signal_power_supply_changed(&test_power_supplies[1]);
+	signal_power_supply_changed(&test_power_supplies[TEST_BATTERY]);
 	return 0;
 }
 

include/linux/mfd/abx500/ab8500-bm.h

@@ -461,7 +461,6 @@ struct ab8500_fg;
 #ifdef CONFIG_AB8500_BM
 extern struct abx500_bm_data ab8500_bm_data;
 
-void ab8500_fg_reinit(void);
 void ab8500_charger_usb_state_changed(u8 bm_usb_state, u16 mA);
 struct ab8500_btemp *ab8500_btemp_get(void);
 int ab8500_btemp_get_batctrl_temp(struct ab8500_btemp *btemp);

include/linux/mfd/max77693-private.h

@@ -143,10 +143,118 @@ enum max77693_pmic_reg {
 #define FLASH_INT_FLED1_SHORT	BIT(3)
 #define FLASH_INT_OVER_CURRENT	BIT(4)
 
+/* Fast charge timer in in hours */
+#define DEFAULT_FAST_CHARGE_TIMER		4
+/* microamps */
+#define DEFAULT_TOP_OFF_THRESHOLD_CURRENT	150000
+/* minutes */
+#define DEFAULT_TOP_OFF_TIMER			30
+/* microvolts */
+#define DEFAULT_CONSTANT_VOLT			4200000
+/* microvolts */
+#define DEFAULT_MIN_SYSTEM_VOLT			3600000
+/* celsius */
+#define DEFAULT_THERMAL_REGULATION_TEMP		100
+/* microamps */
+#define DEFAULT_BATTERY_OVERCURRENT		3500000
+/* microvolts */
+#define DEFAULT_CHARGER_INPUT_THRESHOLD_VOLT	4300000
+
+/* MAX77693_CHG_REG_CHG_INT_OK register */
+#define CHG_INT_OK_BYP_SHIFT		0
+#define CHG_INT_OK_BAT_SHIFT		3
+#define CHG_INT_OK_CHG_SHIFT		4
+#define CHG_INT_OK_CHGIN_SHIFT		6
+#define CHG_INT_OK_DETBAT_SHIFT		7
+#define CHG_INT_OK_BYP_MASK		BIT(CHG_INT_OK_BYP_SHIFT)
+#define CHG_INT_OK_BAT_MASK		BIT(CHG_INT_OK_BAT_SHIFT)
+#define CHG_INT_OK_CHG_MASK		BIT(CHG_INT_OK_CHG_SHIFT)
+#define CHG_INT_OK_CHGIN_MASK		BIT(CHG_INT_OK_CHGIN_SHIFT)
+#define CHG_INT_OK_DETBAT_MASK		BIT(CHG_INT_OK_DETBAT_SHIFT)
+
+/* MAX77693_CHG_REG_CHG_DETAILS_00 register */
+#define CHG_DETAILS_00_CHGIN_SHIFT	5
+#define CHG_DETAILS_00_CHGIN_MASK	(0x3 << CHG_DETAILS_00_CHGIN_SHIFT)
+
+/* MAX77693_CHG_REG_CHG_DETAILS_01 register */
+#define CHG_DETAILS_01_CHG_SHIFT	0
+#define CHG_DETAILS_01_BAT_SHIFT	4
+#define CHG_DETAILS_01_TREG_SHIFT	7
+#define CHG_DETAILS_01_CHG_MASK		(0xf << CHG_DETAILS_01_CHG_SHIFT)
+#define CHG_DETAILS_01_BAT_MASK		(0x7 << CHG_DETAILS_01_BAT_SHIFT)
+#define CHG_DETAILS_01_TREG_MASK	BIT(7)
+
+/* MAX77693_CHG_REG_CHG_DETAILS_01/CHG field */
+enum max77693_charger_charging_state {
+	MAX77693_CHARGING_PREQUALIFICATION	= 0x0,
+	MAX77693_CHARGING_FAST_CONST_CURRENT,
+	MAX77693_CHARGING_FAST_CONST_VOLTAGE,
+	MAX77693_CHARGING_TOP_OFF,
+	MAX77693_CHARGING_DONE,
+	MAX77693_CHARGING_HIGH_TEMP,
+	MAX77693_CHARGING_TIMER_EXPIRED,
+	MAX77693_CHARGING_THERMISTOR_SUSPEND,
+	MAX77693_CHARGING_OFF,
+	MAX77693_CHARGING_RESERVED,
+	MAX77693_CHARGING_OVER_TEMP,
+	MAX77693_CHARGING_WATCHDOG_EXPIRED,
+};
+
+/* MAX77693_CHG_REG_CHG_DETAILS_01/BAT field */
+enum max77693_charger_battery_state {
+	MAX77693_BATTERY_NOBAT			= 0x0,
+	/* Dead-battery or low-battery prequalification */
+	MAX77693_BATTERY_PREQUALIFICATION,
+	MAX77693_BATTERY_TIMER_EXPIRED,
+	MAX77693_BATTERY_GOOD,
+	MAX77693_BATTERY_LOWVOLTAGE,
+	MAX77693_BATTERY_OVERVOLTAGE,
+	MAX77693_BATTERY_OVERCURRENT,
+	MAX77693_BATTERY_RESERVED,
+};
+
+/* MAX77693_CHG_REG_CHG_DETAILS_02 register */
+#define CHG_DETAILS_02_BYP_SHIFT	0
+#define CHG_DETAILS_02_BYP_MASK		(0xf << CHG_DETAILS_02_BYP_SHIFT)
+
 /* MAX77693 CHG_CNFG_00 register */
 #define CHG_CNFG_00_CHG_MASK		0x1
 #define CHG_CNFG_00_BUCK_MASK		0x4
 
+/* MAX77693_CHG_REG_CHG_CNFG_01 register */
+#define CHG_CNFG_01_FCHGTIME_SHIFT	0
+#define CHG_CNFG_01_CHGRSTRT_SHIFT	4
+#define CHG_CNFG_01_PQEN_SHIFT		7
+#define CHG_CNFG_01_FCHGTIME_MASK	(0x7 << CHG_CNFG_01_FCHGTIME_SHIFT)
+#define CHG_CNFG_01_CHGRSTRT_MASK	(0x3 << CHG_CNFG_01_CHGRSTRT_SHIFT)
+#define CHG_CNFG_01_PQEN_MAKS		BIT(CHG_CNFG_01_PQEN_SHIFT)
+
+/* MAX77693_CHG_REG_CHG_CNFG_03 register */
+#define CHG_CNFG_03_TOITH_SHIFT		0
+#define CHG_CNFG_03_TOTIME_SHIFT	3
+#define CHG_CNFG_03_TOITH_MASK		(0x7 << CHG_CNFG_03_TOITH_SHIFT)
+#define CHG_CNFG_03_TOTIME_MASK		(0x7 << CHG_CNFG_03_TOTIME_SHIFT)
+
+/* MAX77693_CHG_REG_CHG_CNFG_04 register */
+#define CHG_CNFG_04_CHGCVPRM_SHIFT	0
+#define CHG_CNFG_04_MINVSYS_SHIFT	5
+#define CHG_CNFG_04_CHGCVPRM_MASK	(0x1f << CHG_CNFG_04_CHGCVPRM_SHIFT)
+#define CHG_CNFG_04_MINVSYS_MASK	(0x7 << CHG_CNFG_04_MINVSYS_SHIFT)
+
+/* MAX77693_CHG_REG_CHG_CNFG_06 register */
+#define CHG_CNFG_06_CHGPROT_SHIFT	2
+#define CHG_CNFG_06_CHGPROT_MASK	(0x3 << CHG_CNFG_06_CHGPROT_SHIFT)
+
+/* MAX77693_CHG_REG_CHG_CNFG_07 register */
+#define CHG_CNFG_07_REGTEMP_SHIFT	5
+#define CHG_CNFG_07_REGTEMP_MASK	(0x3 << CHG_CNFG_07_REGTEMP_SHIFT)
+
+/* MAX77693_CHG_REG_CHG_CNFG_12 register */
+#define CHG_CNFG_12_B2SOVRC_SHIFT	0
+#define CHG_CNFG_12_VCHGINREG_SHIFT	3
+#define CHG_CNFG_12_B2SOVRC_MASK	(0x7 << CHG_CNFG_12_B2SOVRC_SHIFT)
+#define CHG_CNFG_12_VCHGINREG_MASK	(0x3 << CHG_CNFG_12_VCHGINREG_SHIFT)
+
 /* MAX77693 CHG_CNFG_09 Register */
 #define CHG_CNFG_09_CHGIN_ILIM_MASK	0x7F
 

include/linux/power/charger-manager.h

@@ -17,6 +17,7 @@
 
 #include <linux/power_supply.h>
 #include <linux/extcon.h>
+#include <linux/alarmtimer.h>
 
 enum data_source {
 	CM_BATTERY_PRESENT,
@@ -44,29 +45,6 @@ enum cm_event_types {
 	CM_EVENT_OTHERS,
 };
 
-/**
- * struct charger_global_desc
- * @rtc_name: the name of RTC used to wake up the system from suspend.
- * @rtc_only_wakeup:
- *	If the system is woken up by waekup-sources other than the RTC or
- *	callbacks, Charger Manager should recognize with
- *	rtc_only_wakeup() returning false.
- *	If the RTC given to CM is the only wakeup reason,
- *	rtc_only_wakeup should return true.
- * @assume_timer_stops_in_suspend:
- *	Assume that the jiffy timer stops in suspend-to-RAM.
- *	When enabled, CM does not rely on jiffies value in
- *	suspend_again and assumes that jiffies value does not
- *	change during suspend.
- */
-struct charger_global_desc {
-	char *rtc_name;
-
-	bool (*rtc_only_wakeup)(void);
-
-	bool assume_timer_stops_in_suspend;
-};
-
 /**
  * struct charger_cable
  * @extcon_name: the name of extcon device.
@@ -266,22 +244,14 @@ struct charger_manager {
 	char psy_name_buf[PSY_NAME_MAX + 1];
 	struct power_supply charger_psy;
 
-	bool status_save_ext_pwr_inserted;
-	bool status_save_batt;
-
 	u64 charging_start_time;
 	u64 charging_end_time;
 };
 
 #ifdef CONFIG_CHARGER_MANAGER
-extern int setup_charger_manager(struct charger_global_desc *gd);
-extern bool cm_suspend_again(void);
 extern void cm_notify_event(struct power_supply *psy,
 				enum cm_event_types type, char *msg);
 #else
-static inline int setup_charger_manager(struct charger_global_desc *gd)
-{ return 0; }
-static inline bool cm_suspend_again(void) { return false; }
 static inline void cm_notify_event(struct power_supply *psy,
 				enum cm_event_types type, char *msg) { }
 #endif