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Commit ba3980df authored by Qing Xu's avatar Qing Xu Committed by Samuel Ortiz
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Documentation: Add docs for max8925 dt 



add docs for dt of max8925-mfd, max8925-backlight, and
max8925-battery

Signed-off-by: default avatarQing Xu <qingx@marvell.com>
Signed-off-by: default avatarHaojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 58f1193e

Documentation/devicetree/bindings/mfd/max8925.txt

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* Maxim max8925 Power Management IC



Required parent device properties:

- compatible : "maxim,max8925"

- reg : the I2C slave address for the max8925 chip

- interrupts : IRQ line for the max8925 chip

- interrupt-controller: describes the max8925 as an interrupt

  controller (has its own domain)

- #interrupt-cells : should be 1.

	- The cell is the max8925 local IRQ number



Optional parent device properties:

- maxim,tsc-irq: there are 2 IRQ lines for max8925, one is indicated in

  interrupts property, the other is indicated here.



max8925 consists of a large and varied group of sub-devices:



Device			 Supply Names	 Description

------			 ------------	 -----------

max8925-onkey		:		: On key

max8925-rtc		:		: RTC

max8925-regulator	:		: Regulators

max8925-backlight	:		: Backlight

max8925-touch		:		: Touchscreen

max8925-power		:		: Charger



Example:



	pmic: max8925@3c {

		compatible = "maxim,max8925";

		reg = <0x3c>;

		interrupts = <1>;

		interrupt-parent = <&intcmux4>;

		interrupt-controller;

		#interrupt-cells = <1>;

		maxim,tsc-irq = <0>;



		regulators {

			SDV1 {

				regulator-min-microvolt = <637500>;

				regulator-max-microvolt = <1425000>;

				regulator-boot-on;

				regulator-always-on;

			};



			LDO1 {

				regulator-min-microvolt = <750000>;

				regulator-max-microvolt = <3900000>;

				regulator-boot-on;

				regulator-always-on;

			};



		};

		backlight {

			maxim,max8925-dual-string = <0>;

		};

		charger {

			batt-detect = <0>;

			topoff-threshold = <1>;

			fast-charge = <7>;

			no-temp-support = <0>;

			no-insert-detect = <0>;

		};

	};

Documentation/devicetree/bindings/power_supply/max8925_batter.txt

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max8925-battery bindings

~~~~~~~~~~~~~~~~



Optional properties :

 - batt-detect: whether support battery detect

 - topoff-threshold: set charging current in topoff mode

 - fast-charge: set charging current in fast mode

 - no-temp-support: whether support temperature protection detect

 - no-insert-detect: whether support insert detect



Example:

	charger {

		batt-detect = <0>;

		topoff-threshold = <1>;

		fast-charge = <7>;

		no-temp-support = <0>;

		no-insert-detect = <0>;

	};

Documentation/devicetree/bindings/video/backlight/max8925-backlight.txt

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88pm860x-backlight bindings



Optional properties:

  - maxim,max8925-dual-string: whether support dual string



Example:



	backlights {

		maxim,max8925-dual-string = <0>;

	};