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Diffstat (limited to 'Documentation/devicetree/bindings/mfd/max8925.txt')
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diff --git a/Documentation/devicetree/bindings/mfd/max8925.txt b/Documentation/devicetree/bindings/mfd/max8925.txt new file mode 100644 index 0000000..4f0dc66 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/max8925.txt @@ -0,0 +1,64 @@ +* 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>; + }; + }; |