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Commit 2cd9ad0c authored by Wenyou Yang's avatar Wenyou Yang Committed by Lee Jones
Browse files

mfd: Add documentation for ACT8945A DT bindings 



The Active-semi ACT8945A PMIC is a Multi-Function Device, it has
two subdevices:
 - Regulator
 - Charger

This patch adds documentation for ACT8945A DT bindings.

Signed-off-by: default avatarWenyou Yang <wenyou.yang@atmel.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent b25c6b7d

Documentation/devicetree/bindings/mfd/act8945a.txt

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+76 −0
Original line number Diff line number Diff line 
Device-Tree bindings for Active-semi ACT8945A MFD driver



Required properties:

 - compatible: "active-semi,act8945a".

 - reg: the I2C slave address for the ACT8945A chip



The chip exposes two subdevices:

 - a regulators: see ../regulator/act8945a-regulator.txt

 - a charger: see ../power/act8945a-charger.txt



Example:

	pmic@5b {

		compatible = "active-semi,act8945a";

		reg = <0x5b>;

		status = "okay";



		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_charger_chglev>;

		active-semi,chglev-gpio = <&pioA 12 GPIO_ACTIVE_HIGH>;

		active-semi,input-voltage-threshold-microvolt = <6600>;

		active-semi,precondition-timeout = <40>;

		active-semi,total-timeout = <3>;



		active-semi,vsel-high;



		regulators {

			vdd_1v35_reg: REG_DCDC1 {

				regulator-name = "VDD_1V35";

				regulator-min-microvolt = <1350000>;

				regulator-max-microvolt = <1350000>;

				regulator-always-on;

			};



			vdd_1v2_reg: REG_DCDC2 {

				regulator-name = "VDD_1V2";

				regulator-min-microvolt = <1100000>;

				regulator-max-microvolt = <1300000>;

				regulator-always-on;

			};



			vdd_3v3_reg: REG_DCDC3 {

				regulator-name = "VDD_3V3";

				regulator-min-microvolt = <3300000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};



			vdd_fuse_reg: REG_LDO1 {

				regulator-name = "VDD_FUSE";

				regulator-min-microvolt = <2500000>;

				regulator-max-microvolt = <2500000>;

				regulator-always-on;

			};



			vdd_3v3_lp_reg: REG_LDO2 {

				regulator-name = "VDD_3V3_LP";

				regulator-min-microvolt = <3300000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};



			vdd_led_reg: REG_LDO3 {

				regulator-name = "VDD_LED";

				regulator-min-microvolt = <3300000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};



			vdd_sdhc_1v8_reg: REG_LDO4 {

				regulator-name = "VDD_SDHC_1V8";

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <1800000>;

				regulator-always-on;

			};

		};

	};