summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/input/qcom,pm8941-pwrkey.txt
blob: 6cd08bca2c66bd66dadbf840a0f64db0b905b999 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
Qualcomm PM8941 PMIC Power Key

PROPERTIES

- compatible:
	Usage: required
	Value type: <string>
	Definition: must be one of:
		    "qcom,pm8941-pwrkey"
		    "qcom,pm8941-resin"
		    "qcom,pmk8350-pwrkey"
		    "qcom,pmk8350-resin"

- reg:
	Usage: required
	Value type: <prop-encoded-array>
	Definition: base address of registers for block

- interrupts:
	Usage: required
	Value type: <prop-encoded-array>
	Definition: key change interrupt; The format of the specifier is
		    defined by the binding document describing the node's
		    interrupt parent.

- debounce:
	Usage: optional
	Value type: <u32>
	Definition: time in microseconds that key must be pressed or released
		    for state change interrupt to trigger.

- bias-pull-up:
	Usage: optional
	Value type: <empty>
	Definition: presence of this property indicates that the KPDPWR_N pin
		    should be configured for pull up.

- linux,code:
	Usage: optional
	Value type: <u32>
	Definition: The input key-code associated with the power key.
		    Use the linux event codes defined in
		    include/dt-bindings/input/linux-event-codes.h
		    When property is omitted KEY_POWER is assumed.

EXAMPLE

	pwrkey@800 {
		compatible = "qcom,pm8941-pwrkey";
		reg = <0x800>;
		interrupts = <0x0 0x8 0 IRQ_TYPE_EDGE_BOTH>;
		debounce = <15625>;
		bias-pull-up;
		linux,code = <KEY_POWER>;
	};