6db4831e98
Android 14
44 lines
1.1 KiB
Plaintext
44 lines
1.1 KiB
Plaintext
MediaTek MT6397/MT6323 PMIC Keys Device Driver
|
|
|
|
There are two key functions provided by MT6397/MT6323 PMIC, pwrkey
|
|
and homekey. The key functions are defined as the subnode of the function
|
|
node provided by MT6397/MT6323 PMIC that is being defined as one kind
|
|
of Muti-Function Device (MFD)
|
|
|
|
For MT6397/MT6323 MFD bindings see:
|
|
Documentation/devicetree/bindings/mfd/mt6397.txt
|
|
|
|
Required properties:
|
|
- compatible: "mediatek,mt6397-keys" or "mediatek,mt6323-keys"
|
|
- linux,keycodes: See Documentation/devicetree/bindings/input/keys.txt
|
|
|
|
Optional Properties:
|
|
- wakeup-source: See Documentation/devicetree/bindings/power/wakeup-source.txt
|
|
- mediatek,long-press-mode: Long press key shutdown setting, 1 for
|
|
pwrkey only, 2 for pwrkey/homekey together, others for disabled.
|
|
- power-off-time-sec: See Documentation/devicetree/bindings/input/keys.txt
|
|
|
|
Example:
|
|
|
|
pmic: mt6397 {
|
|
compatible = "mediatek,mt6397";
|
|
|
|
...
|
|
|
|
mt6397keys: mt6397keys {
|
|
compatible = "mediatek,mt6397-keys";
|
|
mediatek,long-press-mode = <1>;
|
|
power-off-time-sec = <0>;
|
|
|
|
power {
|
|
linux,keycodes = <116>;
|
|
wakeup-source;
|
|
};
|
|
|
|
home {
|
|
linux,keycodes = <114>;
|
|
};
|
|
};
|
|
|
|
};
|