# SPDX-License-Identifier: GPL-2.0%YAML 1.2---
$id: http://devicetree.org/schemas/pwm/pwm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: PWM controllers (providers)
maintainers:
- Thierry Reding <thierry.reding@gmail.com>
select: false
properties:
$nodename:
pattern: "^pwm(@.*|-([0-9]|[1-9][0-9]+))?$""#pwm-cells":
description: |
Number of cells in a PWM specifier. Typically the cells represent, in
order: the chip-relative PWM number, the PWM period in nanoseconds and
optionally a number of flags (defined in <dt-bindings/pwm/pwm.h>).
required:
- "#pwm-cells"
additionalProperties: true
examples:
- |
pwm: pwm@1c20e00 {
compatible = "allwinner,sun7i-a20-pwm";
reg = <0x01c20e00 0xc>;
clocks = <&osc24M>;
#pwm-cells = <3>;};