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: Should be one of:
  13         - "mediatek,mt6397-keys"
  14         - "mediatek,mt6323-keys"
  15         - "mediatek,mt6358-keys"
  16 - linux,keycodes: See Documentation/devicetree/bindings/input/input.yaml
  17
  18 Optional Properties:
  19 - wakeup-source: See Documentation/devicetree/bindings/power/wakeup-source.txt
  20 - mediatek,long-press-mode: Long press key shutdown setting, 1 for
  21         pwrkey only, 2 for pwrkey/homekey together, others for disabled.
  22 - power-off-time-sec: See Documentation/devicetree/bindings/input/input.yaml
  23
  24 Example:
  25
  26         pmic: mt6397 {
  27                 compatible = "mediatek,mt6397";
  28
  29                 ...
  30
  31                 mt6397keys: mt6397keys {
  32                         compatible = "mediatek,mt6397-keys";
  33                         mediatek,long-press-mode = <1>;
  34                         power-off-time-sec = <0>;
  35
  36                         power {
  37                                 linux,keycodes = <116>;
  38                                 wakeup-source;
  39                         };
  40
  41                         home {
  42                                 linux,keycodes = <114>;
  43                         };
  44                 };
  45
  46         };