46 lines
870 B
YAML
46 lines
870 B
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 */
|
||
|
|
};
|
||
|
|
...
|