xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/power/reset/qcom,pon.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunQualcomm PON Device
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunThe Power On device for Qualcomm PM8xxx is MFD supporting pwrkey
4*4882a593Smuzhiyunand resin along with the Android reboot-mode.
5*4882a593Smuzhiyun
6*4882a593SmuzhiyunThis DT node has pwrkey and resin as sub nodes.
7*4882a593Smuzhiyun
8*4882a593SmuzhiyunRequired Properties:
9*4882a593Smuzhiyun-compatible: Must be one of:
10*4882a593Smuzhiyun	"qcom,pm8916-pon"
11*4882a593Smuzhiyun	"qcom,pms405-pon"
12*4882a593Smuzhiyun	"qcom,pm8998-pon"
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun-reg: Specifies the physical address of the pon register
15*4882a593Smuzhiyun
16*4882a593SmuzhiyunOptional subnode:
17*4882a593Smuzhiyun-pwrkey: Specifies the subnode pwrkey and should follow the
18*4882a593Smuzhiyun qcom,pm8941-pwrkey.txt description.
19*4882a593Smuzhiyun-resin: Specifies the subnode resin and should follow the
20*4882a593Smuzhiyun qcom,pm8xxx-pwrkey.txt description.
21*4882a593Smuzhiyun
22*4882a593SmuzhiyunThe rest of the properties should follow the generic reboot-mode description
23*4882a593Smuzhiyunfound in reboot-mode.txt
24*4882a593Smuzhiyun
25*4882a593SmuzhiyunExample:
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun	pon@800 {
28*4882a593Smuzhiyun		compatible = "qcom,pm8916-pon";
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun		reg = <0x800>;
31*4882a593Smuzhiyun		mode-bootloader = <0x2>;
32*4882a593Smuzhiyun		mode-recovery = <0x1>;
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun		pwrkey {
35*4882a593Smuzhiyun			compatible = "qcom,pm8941-pwrkey";
36*4882a593Smuzhiyun			interrupts = <0x0 0x8 0 IRQ_TYPE_EDGE_BOTH>;
37*4882a593Smuzhiyun			debounce = <15625>;
38*4882a593Smuzhiyun			bias-pull-up;
39*4882a593Smuzhiyun			linux,code = <KEY_POWER>;
40*4882a593Smuzhiyun		};
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun		resin {
43*4882a593Smuzhiyun			compatible = "qcom,pm8941-resin";
44*4882a593Smuzhiyun			interrupts = <0x0 0x8 1 IRQ_TYPE_EDGE_BOTH>;
45*4882a593Smuzhiyun			debounce = <15625>;
46*4882a593Smuzhiyun			bias-pull-up;
47*4882a593Smuzhiyun			linux,code = <KEY_VOLUMEDOWN>;
48*4882a593Smuzhiyun		};
49*4882a593Smuzhiyun	};
50