88pm860x.txt

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    1 * Marvell 88PM860x Power Management IC
    2 
    3 Required parent device properties:
    4 - compatible : "marvell,88pm860x"
    5 - reg : the I2C slave address for the 88pm860x chip
    6 - interrupts : IRQ line for the 88pm860x chip
    7 - interrupt-controller: describes the 88pm860x as an interrupt controller (has its own domain)
    8 - #interrupt-cells : should be 1.
    9                 - The cell is the 88pm860x local IRQ number
   10 
   11 Optional parent device properties:
   12 - marvell,88pm860x-irq-read-clr: inicates whether interrupt status is cleared by read
   13 - marvell,88pm860x-slave-addr: 88pm860x are two chips solution. <reg> stores the I2C address
   14                                 of one chip, and this property stores the I2C address of
   15                                 another chip.
   16 
   17 88pm860x consists of a large and varied group of sub-devices:
   18 
   19 Device                   Supply Names    Description
   20 ------                   ------------    -----------
   21 88pm860x-onkey          :               : On key
   22 88pm860x-rtc            :               : RTC
   23 88pm8607                :               : Regulators
   24 88pm860x-backlight      :               : Backlight
   25 88pm860x-led            :               : Led
   26 88pm860x-touch          :               : Touchscreen
   27 
   28 Example:
   29 
   30         pmic: 88pm860x@34 {
   31                 compatible = "marvell,88pm860x";
   32                 reg = <0x34>;
   33                 interrupts = <4>;
   34                 interrupt-parent = <&intc>;
   35                 interrupt-controller;
   36                 #interrupt-cells = <1>;
   37 
   38                 marvell,88pm860x-irq-read-clr;
   39                 marvell,88pm860x-slave-addr = <0x11>;
   40 
   41                 regulators {
   42                         BUCK1 {
   43                                 regulator-min-microvolt = <1000000>;
   44                                 regulator-max-microvolt = <1500000>;
   45                                 regulator-boot-on;
   46                                 regulator-always-on;
   47                         };
   48                         LDO1 {
   49                                 regulator-min-microvolt = <1200000>;
   50                                 regulator-max-microvolt = <2800000>;
   51                                 regulator-boot-on;
   52                                 regulator-always-on;
   53                         };
   54                 };
   55                 rtc {
   56                         marvell,88pm860x-vrtc = <1>;
   57                 };
   58                 touch {
   59                         marvell,88pm860x-gpadc-prebias = <1>;
   60                         marvell,88pm860x-gpadc-slot-cycle = <1>;
   61                         marvell,88pm860x-tsi-prebias = <6>;
   62                         marvell,88pm860x-pen-prebias = <16>;
   63                         marvell,88pm860x-pen-prechg = <2>;
   64                         marvell,88pm860x-resistor-X = <300>;
   65                 };
   66                 backlights {
   67                         backlight-0 {
   68                                 marvell,88pm860x-iset = <4>;
   69                                 marvell,88pm860x-pwm = <3>;
   70                         };
   71                         backlight-2 {
   72                         };
   73                 };
   74                 leds {
   75                         led0-red {
   76                                 marvell,88pm860x-iset = <12>;
   77                         };
   78                         led0-green {
   79                                 marvell,88pm860x-iset = <12>;
   80                         };
   81                         led0-blue {
   82                                 marvell,88pm860x-iset = <12>;
   83                         };
   84                 };
   85         };

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sys/contrib/device-tree/Bindings/mfd/88pm860x.txt