git.sur5r.net Git - u-boot/blob - doc/device-tree-bindings/gpio/pm8916_gpio.txt

   1 Driver for part of pm8916 PMIC - gpio and power/reset keys
   2
   3 This device should be child of SPMI pmic.
   4
   5 1) GPIO driver
   6
   7 Required properties:
   8 - compatible: "qcom,pm8916-gpio"
   9 - reg: peripheral ID, size of register block
  10 - gpio-controller
  11 - gpio-count: number of GPIOs
  12 - #gpio-cells: 2
  13
  14 Optional properties:
  15 - gpio-bank-name: name of bank (as default "pm8916" is used)
  16
  17 Example:
  18
  19 pmic_gpios: gpios@c000 {
  20         compatible = "qcom,pm8916-gpio";
  21         reg = <0xc000 0x400>;
  22         gpio-controller;
  23         gpio-count = <4>;
  24         #gpio-cells = <2>;
  25         gpio-bank-name="pmic";
  26 };
  27
  28
  29 2) Power/Reset key driver
  30
  31 Required properties:
  32 - compatible: "qcom,pm8916-pwrkey"
  33 - reg: peripheral ID, size of register block
  34 - gpio-controller
  35 - #gpio-cells: 2
  36
  37 Optional properties:
  38 - gpio-bank-name: name of bank (as default "pm8916_key" is used)
  39
  40
  41 Example:
  42
  43 pmic_pon: pon@800 {
  44         compatible = "qcom,pm8916-pwrkey";
  45         reg = <0x800 0x96>;
  46         #gpio-cells = <2>;
  47         gpio-controller;
  48 };