1* Maxim max8925 Power Management IC 2 3Required parent device properties: 4- compatible : "maxim,max8925" 5- reg : the I2C slave address for the max8925 chip 6- interrupts : IRQ line for the max8925 chip 7- interrupt-controller: describes the max8925 as an interrupt 8 controller (has its own domain) 9- #interrupt-cells : should be 1. 10 - The cell is the max8925 local IRQ number 11 12Optional parent device properties: 13- maxim,tsc-irq: there are 2 IRQ lines for max8925, one is indicated in 14 interrupts property, the other is indicated here. 15 16max8925 consists of a large and varied group of sub-devices: 17 18Device Supply Names Description 19------ ------------ ----------- 20max8925-onkey : : On key 21max8925-rtc : : RTC 22max8925-regulator : : Regulators 23max8925-backlight : : Backlight 24max8925-touch : : Touchscreen 25max8925-power : : Charger 26 27Example: 28 29 pmic: max8925@3c { 30 compatible = "maxim,max8925"; 31 reg = <0x3c>; 32 interrupts = <1>; 33 interrupt-parent = <&intcmux4>; 34 interrupt-controller; 35 #interrupt-cells = <1>; 36 maxim,tsc-irq = <0>; 37 38 regulators { 39 SDV1 { 40 regulator-min-microvolt = <637500>; 41 regulator-max-microvolt = <1425000>; 42 regulator-boot-on; 43 regulator-always-on; 44 }; 45 46 LDO1 { 47 regulator-min-microvolt = <750000>; 48 regulator-max-microvolt = <3900000>; 49 regulator-boot-on; 50 regulator-always-on; 51 }; 52 53 }; 54 backlight { 55 maxim,max8925-dual-string = <0>; 56 }; 57 charger { 58 batt-detect = <0>; 59 topoff-threshold = <1>; 60 fast-charge = <7>; 61 no-temp-support = <0>; 62 no-insert-detect = <0>; 63 }; 64 }; 65