xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/pwm/atmel-pwm.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunAtmel PWM controller
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
4*4882a593Smuzhiyun  - compatible: should be one of:
5*4882a593Smuzhiyun    - "atmel,at91sam9rl-pwm"
6*4882a593Smuzhiyun    - "atmel,sama5d3-pwm"
7*4882a593Smuzhiyun    - "atmel,sama5d2-pwm"
8*4882a593Smuzhiyun    - "microchip,sam9x60-pwm"
9*4882a593Smuzhiyun  - reg: physical base address and length of the controller's registers
10*4882a593Smuzhiyun  - #pwm-cells: Should be 3. See pwm.yaml in this directory for a
11*4882a593Smuzhiyun    description of the cells format.
12*4882a593Smuzhiyun
13*4882a593SmuzhiyunExample:
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun	pwm0: pwm@f8034000 {
16*4882a593Smuzhiyun		compatible = "atmel,at91sam9rl-pwm";
17*4882a593Smuzhiyun		reg = <0xf8034000 0x400>;
18*4882a593Smuzhiyun		#pwm-cells = <3>;
19*4882a593Smuzhiyun	};
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun	pwmleds {
22*4882a593Smuzhiyun		compatible = "pwm-leds";
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun		d1 {
25*4882a593Smuzhiyun			label = "d1";
26*4882a593Smuzhiyun			pwms = <&pwm0 3 5000 0>
27*4882a593Smuzhiyun			max-brightness = <255>;
28*4882a593Smuzhiyun		};
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun		d2 {
31*4882a593Smuzhiyun			label = "d2";
32*4882a593Smuzhiyun			pwms = <&pwm0 1 5000 1>
33*4882a593Smuzhiyun			max-brightness = <255>;
34*4882a593Smuzhiyun		};
35*4882a593Smuzhiyun	};
36