xref: /OK3568_Linux_fs/u-boot/doc/device-tree-bindings/gpio/pm8916_gpio.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593SmuzhiyunDriver for part of pm8916 PMIC - gpio and power/reset keys
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunThis device should be child of SPMI pmic.
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun1) GPIO driver
6*4882a593Smuzhiyun
7*4882a593SmuzhiyunRequired properties:
8*4882a593Smuzhiyun- compatible: "qcom,pm8916-gpio"
9*4882a593Smuzhiyun- reg: peripheral ID, size of register block
10*4882a593Smuzhiyun- gpio-controller
11*4882a593Smuzhiyun- gpio-count: number of GPIOs
12*4882a593Smuzhiyun- #gpio-cells: 2
13*4882a593Smuzhiyun
14*4882a593SmuzhiyunOptional properties:
15*4882a593Smuzhiyun- gpio-bank-name: name of bank (as default "pm8916" is used)
16*4882a593Smuzhiyun
17*4882a593SmuzhiyunExample:
18*4882a593Smuzhiyun
19*4882a593Smuzhiyunpmic_gpios: gpios@c000 {
20*4882a593Smuzhiyun	compatible = "qcom,pm8916-gpio";
21*4882a593Smuzhiyun	reg = <0xc000 0x400>;
22*4882a593Smuzhiyun	gpio-controller;
23*4882a593Smuzhiyun	gpio-count = <4>;
24*4882a593Smuzhiyun	#gpio-cells = <2>;
25*4882a593Smuzhiyun	gpio-bank-name="pmic";
26*4882a593Smuzhiyun};
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun2) Power/Reset key driver
30*4882a593Smuzhiyun
31*4882a593SmuzhiyunRequired properties:
32*4882a593Smuzhiyun- compatible: "qcom,pm8916-pwrkey"
33*4882a593Smuzhiyun- reg: peripheral ID, size of register block
34*4882a593Smuzhiyun- gpio-controller
35*4882a593Smuzhiyun- #gpio-cells: 2
36*4882a593Smuzhiyun
37*4882a593SmuzhiyunOptional properties:
38*4882a593Smuzhiyun- gpio-bank-name: name of bank (as default "pm8916_key" is used)
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun
41*4882a593SmuzhiyunExample:
42*4882a593Smuzhiyun
43*4882a593Smuzhiyunpmic_pon: pon@800 {
44*4882a593Smuzhiyun	compatible = "qcom,pm8916-pwrkey";
45*4882a593Smuzhiyun	reg = <0x800 0x96>;
46*4882a593Smuzhiyun	#gpio-cells = <2>;
47*4882a593Smuzhiyun	gpio-controller;
48*4882a593Smuzhiyun};
49