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dt-bindings: pwm: Convert Amlogic Meson PWM binding

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Convert Amlogic Meson PWM binding to yaml.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Heiner Kallweit 2023-02-20 22:19:30 +01:00 • committed by Thierry Reding
parent b3ad52353f
commit 43a1c4ff39
2 changed files with 70 additions and 29 deletions
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70
Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml Normal file
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pwm/pwm-amlogic.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Amlogic PWM
maintainers:
- Heiner Kallweit <hkallweit1@gmail.com>
allOf:
- $ref: pwm.yaml#
properties:
compatible:
oneOf:
- enum:
- amlogic,meson8b-pwm
- amlogic,meson-gxbb-pwm
- amlogic,meson-gxbb-ao-pwm
- amlogic,meson-axg-ee-pwm
- amlogic,meson-axg-ao-pwm
- amlogic,meson-g12a-ee-pwm
- amlogic,meson-g12a-ao-pwm-ab
- amlogic,meson-g12a-ao-pwm-cd
- amlogic,meson-s4-pwm
- items:
- const: amlogic,meson-gx-pwm
- const: amlogic,meson-gxbb-pwm
- items:
- const: amlogic,meson-gx-ao-pwm
- const: amlogic,meson-gxbb-ao-pwm
- items:
- const: amlogic,meson8-pwm
- const: amlogic,meson8b-pwm
reg:
maxItems: 1
clocks:
minItems: 1
maxItems: 2
clock-names:
oneOf:
- items:
- enum: [clkin0, clkin1]
- items:
- const: clkin0
- const: clkin1
"#pwm-cells":
const: 3
required:
- compatible
- reg
additionalProperties: false
examples:
- |
pwm@8550 {
compatible = "amlogic,meson-gxbb-pwm";
reg = <0x08550 0x10>;
clocks = <&xtal>, <&xtal>;
clock-names = "clkin0", "clkin1";
#pwm-cells = <3>;
};

29
Documentation/devicetree/bindings/pwm/pwm-meson.txt
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Amlogic Meson PWM Controller
============================
Required properties:
- compatible: Shall contain "amlogic,meson8b-pwm"
or "amlogic,meson-gxbb-pwm"
or "amlogic,meson-gxbb-ao-pwm"
or "amlogic,meson-axg-ee-pwm"
or "amlogic,meson-axg-ao-pwm"
or "amlogic,meson-g12a-ee-pwm"
or "amlogic,meson-g12a-ao-pwm-ab"
or "amlogic,meson-g12a-ao-pwm-cd"
- #pwm-cells: Should be 3. See pwm.yaml in this directory for a description of
the cells format.
Optional properties:
- clocks: Could contain one or two parents clocks phandle for each of the two
PWM channels.
- clock-names: Could contain at least the "clkin0" and/or "clkin1" names.
Example:
pwm_ab: pwm@8550 {
compatible = "amlogic,meson-gxbb-pwm";
reg = <0x0 0x08550 0x0 0x10>;
#pwm-cells = <3>;
clocks = <&xtal>, <&xtal>;
clock-names = "clkin0", "clkin1";
}