xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/pwm/pwm-meson.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593SmuzhiyunAmlogic Meson PWM Controller
2*4882a593Smuzhiyun============================
3*4882a593Smuzhiyun
4*4882a593SmuzhiyunRequired properties:
5*4882a593Smuzhiyun- compatible: Shall contain "amlogic,meson8b-pwm"
6*4882a593Smuzhiyun                         or "amlogic,meson-gxbb-pwm"
7*4882a593Smuzhiyun                         or "amlogic,meson-gxbb-ao-pwm"
8*4882a593Smuzhiyun                         or "amlogic,meson-axg-ee-pwm"
9*4882a593Smuzhiyun                         or "amlogic,meson-axg-ao-pwm"
10*4882a593Smuzhiyun                         or "amlogic,meson-g12a-ee-pwm"
11*4882a593Smuzhiyun                         or "amlogic,meson-g12a-ao-pwm-ab"
12*4882a593Smuzhiyun                         or "amlogic,meson-g12a-ao-pwm-cd"
13*4882a593Smuzhiyun- #pwm-cells: Should be 3. See pwm.yaml in this directory for a description of
14*4882a593Smuzhiyun  the cells format.
15*4882a593Smuzhiyun
16*4882a593SmuzhiyunOptional properties:
17*4882a593Smuzhiyun- clocks: Could contain one or two parents clocks phandle for each of the two
18*4882a593Smuzhiyun  PWM channels.
19*4882a593Smuzhiyun- clock-names: Could contain at least the "clkin0" and/or "clkin1" names.
20*4882a593Smuzhiyun
21*4882a593SmuzhiyunExample:
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun	pwm_ab: pwm@8550 {
24*4882a593Smuzhiyun		compatible = "amlogic,meson-gxbb-pwm";
25*4882a593Smuzhiyun		reg = <0x0 0x08550 0x0 0x10>;
26*4882a593Smuzhiyun		#pwm-cells = <3>;
27*4882a593Smuzhiyun		clocks = <&xtal>, <&xtal>;
28*4882a593Smuzhiyun		clock-names = "clkin0", "clkin1";
29*4882a593Smuzhiyun	}
30