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|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pwm/marvell,pxa-pwm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Marvell PXA PWM
maintainers:
- Duje Mihanović <duje.mihanovic@skole.hr>
allOf:
- $ref: pwm.yaml#
- if:
properties:
compatible:
contains:
enum:
- spacemit,k1-pwm
- spacemit,k3-pwm
then:
properties:
"#pwm-cells":
const: 3
else:
properties:
"#pwm-cells":
const: 1
description: |
Used for specifying the period length in nanoseconds.
- if:
properties:
compatible:
contains:
enum:
- spacemit,k3-pwm
then:
required:
- clock-names
properties:
clocks:
minItems: 2
clock-names:
minItems: 2
else:
properties:
clocks:
maxItems: 1
clock-names:
maxItems: 1
properties:
compatible:
oneOf:
- enum:
- marvell,pxa250-pwm
- marvell,pxa270-pwm
- marvell,pxa168-pwm
- marvell,pxa910-pwm
- items:
- enum:
- spacemit,k1-pwm
- spacemit,k3-pwm
- const: marvell,pxa910-pwm
reg:
# Length should be 0x10
maxItems: 1
"#pwm-cells":
description: Number of cells in a pwm specifier.
clocks:
minItems: 1
items:
- description: The function clock
- description: An optional bus clock
clock-names:
minItems: 1
maxItems: 2
oneOf:
- items:
- const: func
- const: bus
resets:
maxItems: 1
required:
- compatible
- reg
- clocks
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/pxa-clock.h>
pwm0: pwm@40b00000 {
compatible = "marvell,pxa250-pwm";
reg = <0x40b00000 0x10>;
#pwm-cells = <1>;
clocks = <&clks CLK_PWM0>;
};
|
