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748c482d03
Add bindings for the PWM-DAC controller on the JH7110 RISC-V SoC by StarFive Ltd. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Hal Feng <hal.feng@starfivetech.com> Link: https://lore.kernel.org/r/20230814080618.10036-2-hal.feng@starfivetech.com Signed-off-by: Mark Brown <broonie@kernel.org>
77 lines
1.5 KiB
YAML
77 lines
1.5 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/starfive,jh7110-pwmdac.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: StarFive JH7110 PWM-DAC Controller
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description:
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The PWM-DAC Controller uses PWM square wave generators plus RC filters to
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form a DAC for audio play in StarFive JH7110 SoC. This audio play controller
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supports 16 bit audio format, up to 48K sampling frequency, up to left and
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right dual channels.
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maintainers:
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- Hal Feng <hal.feng@starfivetech.com>
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allOf:
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- $ref: dai-common.yaml#
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properties:
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compatible:
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const: starfive,jh7110-pwmdac
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reg:
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maxItems: 1
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clocks:
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items:
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- description: PWMDAC APB
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- description: PWMDAC CORE
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clock-names:
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items:
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- const: apb
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- const: core
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resets:
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maxItems: 1
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description: PWMDAC APB
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dmas:
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maxItems: 1
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description: TX DMA Channel
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dma-names:
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const: tx
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"#sound-dai-cells":
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const: 0
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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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- dmas
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- dma-names
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- "#sound-dai-cells"
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additionalProperties: false
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examples:
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- |
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pwmdac@100b0000 {
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compatible = "starfive,jh7110-pwmdac";
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reg = <0x100b0000 0x1000>;
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clocks = <&syscrg 157>,
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<&syscrg 158>;
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clock-names = "apb", "core";
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resets = <&syscrg 96>;
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dmas = <&dma 22>;
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dma-names = "tx";
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#sound-dai-cells = <0>;
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};
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