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Commit 2c7a6a35 authored by Mark Brown's avatar Mark Brown
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Merge remote-tracking branches 'regulator/topic/fixed',... 

Merge remote-tracking branches 'regulator/topic/fixed', 'regulator/topic/id-const', 'regulator/topic/ltc3589', 'regulator/topic/max8649' and 'regulator/topic/of' into regulator-next
parents 8ff15e09 4127f696 cfe6e333 c0c14e6a 6e27e996 1e050eab

Documentation/devicetree/bindings/regulator/ltc3589.txt

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Linear Technology LTC3589, LTC3589-1, and LTC3589-2 8-output regulators



Required properties:

- compatible: "lltc,ltc3589", "lltc,ltc3589-1" or "lltc,ltc3589-2"

- reg: I2C slave address



Required child node:

- regulators: Contains eight regulator child nodes sw1, sw2, sw3, bb-out,

  ldo1, ldo2, ldo3, and ldo4, specifying the initialization data as

  documented in Documentation/devicetree/bindings/regulator/regulator.txt.



Each regulator is defined using the standard binding for regulators. The

nodes for sw1, sw2, sw3, bb-out, ldo1, and ldo2 additionally need to specify

the resistor values of their external feedback voltage dividers:



Required properties (not on ldo3, ldo4):

- lltc,fb-voltage-divider: An array of two integers containing the resistor

  values R1 and R2 of the feedback voltage divider in ohms.



Regulators sw1, sw2, sw3, and ldo2 can regulate the feedback reference from

0.3625 V to 0.75 V in 12.5 mV steps. The output voltage thus ranges between

0.3625 * (1 + R1/R2) V and 0.75 * (1 + R1/R2) V. Regulators bb-out and ldo1

have a fixed 0.8 V reference and thus output 0.8 * (1 + R1/R2) V. The ldo3

regulator is fixed to 1.8 V on LTC3589 and to 2.8 V on LTC3589-1,2. The ldo4

regulator can output between 1.8 V and 3.3 V on LTC3589 and between 1.2 V

and 3.2 V on LTC3589-1,2 in four steps. The ldo1 standby regulator can not

be disabled and thus should have the regulator-always-on property set.



Example:



	ltc3589: pmic@34 {

		compatible = "lltc,ltc3589-1";

		reg = <0x34>;



		regulators {

			sw1_reg: sw1 {

				regulator-min-microvolt = <591930>;

				regulator-max-microvolt = <1224671>;

				lltc,fb-voltage-divider = <100000 158000>;

				regulator-ramp-delay = <7000>;

				regulator-boot-on;

				regulator-always-on;

			};



			sw2_reg: sw2 {

				regulator-min-microvolt = <704123>;

				regulator-max-microvolt = <1456803>;

				lltc,fb-voltage-divider = <180000 191000>;

				regulator-ramp-delay = <7000>;

				regulator-boot-on;

				regulator-always-on;

			};



			sw3_reg: sw3 {

				regulator-min-microvolt = <1341250>;

				regulator-max-microvolt = <2775000>;

				lltc,fb-voltage-divider = <270000 100000>;

				regulator-ramp-delay = <7000>;

				regulator-boot-on;

				regulator-always-on;

			};



			bb_out_reg: bb-out {

				regulator-min-microvolt = <3387341>;

				regulator-max-microvolt = <3387341>;

				lltc,fb-voltage-divider = <511000 158000>;

				regulator-boot-on;

				regulator-always-on;

			};



			ldo1_reg: ldo1 {

				regulator-min-microvolt = <1306329>;

				regulator-max-microvolt = <1306329>;

				lltc,fb-voltage-divider = <100000 158000>;

				regulator-boot-on;

				regulator-always-on;

			};



			ldo2_reg: ldo2 {

				regulator-min-microvolt = <704123>;

				regulator-max-microvolt = <1456806>;

				lltc,fb-voltage-divider = <180000 191000>;

				regulator-ramp-delay = <7000>;

				regulator-boot-on;

				regulator-always-on;

			};



			ldo3_reg: ldo3 {

				regulator-min-microvolt = <2800000>;

				regulator-max-microvolt = <2800000>;

				regulator-boot-on;

			};



			ldo4_reg: ldo4 {

				regulator-min-microvolt = <1200000>;

				regulator-max-microvolt = <3200000>;

			};

		};

	};

Documentation/devicetree/bindings/vendor-prefixes.txt

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@@ -73,6 +73,7 @@ lantiq Lantiq Semiconductor 
lg	LG Corporation

linux	Linux-specific binding

lsi	LSI Corp. (LSI Logic)

lltc	Linear Technology Corporation

marvell	Marvell Technology Group Ltd.

maxim	Maxim Integrated Products

microchip	Microchip Technology Inc.

drivers/regulator/Kconfig

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@@ -272,6 +272,14 @@ config REGULATOR_LP8788 
	help

	  This driver supports LP8788 voltage regulator chip.



config REGULATOR_LTC3589

	tristate "LTC3589 8-output voltage regulator"

	depends on I2C

	select REGMAP_I2C

	help

	  This enables support for the LTC3589, LTC3589-1, and LTC3589-2

	  8-output regulators controlled via I2C.



config REGULATOR_MAX14577

	tristate "Maxim 14577 regulator"

	depends on MFD_MAX14577

drivers/regulator/Makefile

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@@ -38,6 +38,7 @@ obj-$(CONFIG_REGULATOR_LP872X) += lp872x.o 
obj-$(CONFIG_REGULATOR_LP8788) += lp8788-buck.o

obj-$(CONFIG_REGULATOR_LP8788) += lp8788-ldo.o

obj-$(CONFIG_REGULATOR_LP8755) += lp8755.o

obj-$(CONFIG_REGULATOR_LTC3589) += ltc3589.o

obj-$(CONFIG_REGULATOR_MAX14577) += max14577.o

obj-$(CONFIG_REGULATOR_MAX1586) += max1586.o

obj-$(CONFIG_REGULATOR_MAX8649)	+= max8649.o

drivers/regulator/anatop-regulator.c

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@@ -300,7 +300,7 @@ static int anatop_regulator_probe(struct platform_device *pdev) 
	return 0;

}



static struct of_device_id of_anatop_regulator_match_tbl[] = {

static const struct of_device_id of_anatop_regulator_match_tbl[] = {

	{ .compatible = "fsl,anatop-regulator", },

	{ /* end */ }

};