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 };
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