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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
dt-bindings: pwm: sophgo: add PWM controller for SG2042
Sophgo SG2042 contains a PWM controller, which has 4 channels and
can generate PWM waveforms output.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Link: https://lore.kernel.org/r/d739ea5a1bffcf762248efbe25fae9b9fda6f452.1738737617.git.unicorn_wang@outlook.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
authored by
Chen Wang
and committed by
Uwe Kleine-König
d893760c
444053e3
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Documentation/devicetree/bindings/pwm/sophgo,sg2042-pwm.yaml
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Documentation/devicetree/bindings/pwm/sophgo,sg2042-pwm.yaml
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/pwm/sophgo,sg2042-pwm.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Sophgo SG2042 PWM controller
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maintainers:
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- Chen Wang <unicorn_wang@outlook.com>
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description:
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This controller contains 4 channels which can generate PWM waveforms.
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allOf:
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- $ref: pwm.yaml#
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properties:
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compatible:
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const: sophgo,sg2042-pwm
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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clock-names:
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items:
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- const: apb
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resets:
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maxItems: 1
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"#pwm-cells":
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const: 3
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required:
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- compatible
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- reg
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- clocks
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- clock-names
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- resets
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/reset/sophgo,sg2042-reset.h>
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pwm@7f006000 {
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compatible = "sophgo,sg2042-pwm";
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reg = <0x7f006000 0x1000>;
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#pwm-cells = <3>;
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clocks = <&clock 67>;
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clock-names = "apb";
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resets = <&rstgen RST_PWM>;
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};