xref: /freebsd/sys/contrib/device-tree/Bindings/input/qcom,pm8941-pwrkey.txt (revision 924226fba12cc9a228c73b956e1b7fa24c60b055)
1Qualcomm PM8941 PMIC Power Key
2
3PROPERTIES
4
5- compatible:
6	Usage: required
7	Value type: <string>
8	Definition: must be one of:
9		    "qcom,pm8941-pwrkey"
10		    "qcom,pm8941-resin"
11
12- reg:
13	Usage: required
14	Value type: <prop-encoded-array>
15	Definition: base address of registers for block
16
17- interrupts:
18	Usage: required
19	Value type: <prop-encoded-array>
20	Definition: key change interrupt; The format of the specifier is
21		    defined by the binding document describing the node's
22		    interrupt parent.
23
24- debounce:
25	Usage: optional
26	Value type: <u32>
27	Definition: time in microseconds that key must be pressed or released
28		    for state change interrupt to trigger.
29
30- bias-pull-up:
31	Usage: optional
32	Value type: <empty>
33	Definition: presence of this property indicates that the KPDPWR_N pin
34		    should be configured for pull up.
35
36- linux,code:
37	Usage: optional
38	Value type: <u32>
39	Definition: The input key-code associated with the power key.
40		    Use the linux event codes defined in
41		    include/dt-bindings/input/linux-event-codes.h
42		    When property is omitted KEY_POWER is assumed.
43
44EXAMPLE
45
46	pwrkey@800 {
47		compatible = "qcom,pm8941-pwrkey";
48		reg = <0x800>;
49		interrupts = <0x0 0x8 0 IRQ_TYPE_EDGE_BOTH>;
50		debounce = <15625>;
51		bias-pull-up;
52		linux,code = <KEY_POWER>;
53	};
54