Documentation/devicetree/bindings/input/mtk-pmic-keys.txt

   1 MediaTek MT6397/MT6323 PMIC Keys Device Driver
   2
   3 There are two key functions provided by MT6397/MT6323 PMIC, pwrkey
   4 and homekey. The key functions are defined as the subnode of the function
   5 node provided by MT6397/MT6323 PMIC that is being defined as one kind
   6 of Muti-Function Device (MFD)
   7
   8 For MT6397/MT6323 MFD bindings see:
   9 Documentation/devicetree/bindings/mfd/mt6397.txt
  10
  11 Required properties:
  12 - compatible: "mediatek,mt6397-keys" or "mediatek,mt6323-keys"
  13 - linux,keycodes: See Documentation/devicetree/bindings/input/input.yaml
  14
  15 Optional Properties:
  16 - wakeup-source: See Documentation/devicetree/bindings/power/wakeup-source.txt
  17 - mediatek,long-press-mode: Long press key shutdown setting, 1 for
  18         pwrkey only, 2 for pwrkey/homekey together, others for disabled.
  19 - power-off-time-sec: See Documentation/devicetree/bindings/input/input.yaml
  20
  21 Example:
  22
  23         pmic: mt6397 {
  24                 compatible = "mediatek,mt6397";
  25
  26                 ...
  27
  28                 mt6397keys: mt6397keys {
  29                         compatible = "mediatek,mt6397-keys";
  30                         mediatek,long-press-mode = <1>;
  31                         power-off-time-sec = <0>;
  32
  33                         power {
  34                                 linux,keycodes = <116>;
  35                                 wakeup-source;
  36                         };
  37
  38                         home {
  39                                 linux,keycodes = <114>;
  40                         };
  41                 };
  42
  43         };