Documentation/devicetree/bindings/clock/pwm-clock.yaml

# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/pwm-clock.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: An external clock signal driven by a PWM pin.

maintainers:
  - Philipp Zabel <p.zabel@pengutronix.de>

properties:
  compatible:
    const: pwm-clock

  '#clock-cells':
    const: 0

  clock-frequency:
    description: Exact output frequency, in case the PWM period is not exact
      but was rounded to nanoseconds.

  clock-output-names:
    maxItems: 1

  pwms:
    maxItems: 1

required:
  - compatible
  - '#clock-cells'
  - pwms

additionalProperties: false

examples:
  - |
    clock {
        compatible = "pwm-clock";
        #clock-cells = <0>;
        clock-frequency = <25000000>;
        clock-output-names = "mipi_mclk";
        pwms = <&pwm2 0 40>; /* 1 / 40 ns = 25 MHz */
    };
...