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Commit c54e9a2a authored by Wenyou Yang's avatar Wenyou Yang Committed by Sebastian Reichel
Browse files

power: add documentation for ACT8945A's charger DT bindings 



This patch adds documentation for the DT bindings of the charger
subdevice of ACT8945A MFD.

Signed-off-by: default avatarWenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: default avatarKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: default avatarSebastian Reichel <sre@kernel.org>
parent b950762c

Documentation/devicetree/bindings/power/act8945a-charger.txt

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Device-Tree bindings for charger of Active-semi ACT8945A Multi-Function Device



Required properties:

 - compatible: "active-semi,act8945a", please refer to ../mfd/act8945a.txt.

 - active-semi,chglev-gpios: charge current level phandle with args

   as described in ../gpio/gpio.txt.



Optional properties:

 - active-semi,check-battery-temperature: boolean to check the battery

   temperature or not.

 - active-semi,input-voltage-threshold-microvolt: unit: mV;

   Specifies the charger's input over-voltage threshold value;

   The value can be: 6600, 7000, 7500, 8000; default: 6600

 - active-semi,precondition-timeout: unit: minutes;

   Specifies the charger's PRECONDITION safety timer setting value;

   The value can be: 40, 60, 80, 0; If 0, it means to disable this timer;

   default: 40.

 - active-semi,total-timeout: unit: hours;

   Specifies the charger's total safety timer setting value;

   The value can be: 3, 4, 5, 0; If 0, it means to disable this timer;

   default: 3.



Example:

	pmic@5b {

		compatible = "active-semi,act8945a";

		reg = <0x5b>;

		status = "okay";



		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_charger_chglev>;

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

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

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

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

	};