xref: /linux/Documentation/devicetree/bindings/pwm/pwm.yaml (revision a3a02a52bcfcbcc4a637d4b68bf1bc391c9fad02) 
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pwm/pwm.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: PWM controllers (providers)
8
9maintainers:
10  - Thierry Reding <thierry.reding@gmail.com>
11
12select: false
13
14properties:
15  $nodename:
16    pattern: "^pwm(@.*|-([0-9]|[1-9][0-9]+))?$"
17
18  "#pwm-cells":
19    description: |
20      Number of cells in a PWM specifier. Typically the cells represent, in
21      order: the chip-relative PWM number, the PWM period in nanoseconds and
22      optionally a number of flags (defined in <dt-bindings/pwm/pwm.h>).
23
24required:
25  - "#pwm-cells"
26
27additionalProperties: true
28
29examples:
30  - |
31    pwm: pwm@1c20e00 {
32        compatible = "allwinner,sun7i-a20-pwm";
33        reg = <0x01c20e00 0xc>;
34        clocks = <&osc24M>;
35        #pwm-cells = <3>;
36    };
37