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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/pwm/allwinner,sun4i-a10-pwm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Allwinner A10 PWM Device Tree Bindings
maintainers:
- Chen-Yu Tsai <wens@csie.org>
- Maxime Ripard <mripard@kernel.org>
properties:
"#pwm-cells":
const: 3
compatible:
oneOf:
- const: allwinner,sun4i-a10-pwm
- const: allwinner,sun5i-a10s-pwm
- const: allwinner,sun5i-a13-pwm
- const: allwinner,sun7i-a20-pwm
- const: allwinner,sun8i-h3-pwm
- items:
- const: allwinner,sun8i-a83t-pwm
- const: allwinner,sun8i-h3-pwm
- items:
- const: allwinner,sun50i-a64-pwm
- const: allwinner,sun5i-a13-pwm
- items:
- const: allwinner,sun50i-h5-pwm
- const: allwinner,sun5i-a13-pwm
- const: allwinner,sun50i-h6-pwm
reg:
maxItems: 1
clocks:
minItems: 1
maxItems: 2
items:
- description: Module Clock
- description: Bus Clock
# Even though it only applies to subschemas under the conditionals,
# not listing them here will trigger a warning because of the
# additionalsProperties set to false.
clock-names: true
resets:
maxItems: 1
if:
properties:
compatible:
contains:
const: allwinner,sun50i-h6-pwm
then:
properties:
clocks:
maxItems: 2
clock-names:
items:
- const: mod
- const: bus
required:
- clock-names
- resets
else:
properties:
clocks:
maxItems: 1
required:
- "#pwm-cells"
- compatible
- reg
- clocks
additionalProperties: false
examples:
- |
pwm: pwm@1c20e00 {
compatible = "allwinner,sun7i-a20-pwm";
reg = <0x01c20e00 0xc>;
clocks = <&osc24M>;
#pwm-cells = <3>;
};
- |
#include <dt-bindings/clock/sun50i-h6-ccu.h>
#include <dt-bindings/reset/sun50i-h6-ccu.h>
pwm@300a000 {
compatible = "allwinner,sun50i-h6-pwm";
reg = <0x0300a000 0x400>;
clocks = <&osc24M>, <&ccu CLK_BUS_PWM>;
clock-names = "mod", "bus";
resets = <&ccu RST_BUS_PWM>;
#pwm-cells = <3>;
};
...
|
