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ASoC: dt-bindings: Add TDM controller bindings for StarFive JH7110
Add bindings for TDM driver which supports multi-channel audio playback
and capture on JH7110 platform.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Walker Chen <walker.chen@starfivetech.com>
Link: https://lore.kernel.org/r/20230526145402.450-2-walker.chen@starfivetech.com
Signed-off-by: Mark Brown <broonie@kernel.org>
authored by
Walker Chen
and committed by
Mark Brown
d9afe0d3
d0c76d94
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Documentation/devicetree/bindings/sound/starfive,jh7110-tdm.yaml
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Documentation/devicetree/bindings/sound/starfive,jh7110-tdm.yaml
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# 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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$id: http://devicetree.org/schemas/sound/starfive,jh7110-tdm.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: StarFive JH7110 TDM Controller
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description: |
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The TDM Controller is a Time Division Multiplexed audio interface
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integrated in StarFive JH7110 SoC, allowing up to 8 channels of
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audio over a serial interface. The TDM controller can operate both
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in master and slave mode.
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maintainers:
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- Walker Chen <walker.chen@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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enum:
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- starfive,jh7110-tdm
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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: TDM AHB Clock
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- description: TDM APB Clock
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- description: TDM Internal Clock
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- description: TDM Clock
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- description: Inner MCLK
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- description: TDM External Clock
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clock-names:
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items:
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- const: tdm_ahb
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- const: tdm_apb
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- const: tdm_internal
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- const: tdm
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- const: mclk_inner
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- const: tdm_ext
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resets:
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items:
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- description: tdm ahb reset line
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- description: tdm apb reset line
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- description: tdm core reset line
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dmas:
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items:
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- description: RX DMA Channel
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- description: TX DMA Channel
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dma-names:
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items:
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- const: rx
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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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tdm@10090000 {
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compatible = "starfive,jh7110-tdm";
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reg = <0x10090000 0x1000>;
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clocks = <&syscrg 184>,
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<&syscrg 185>,
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<&syscrg 186>,
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<&syscrg 187>,
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<&syscrg 17>,
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<&tdm_ext>;
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clock-names = "tdm_ahb", "tdm_apb",
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"tdm_internal", "tdm",
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"mclk_inner", "tdm_ext";
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resets = <&syscrg 105>,
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<&syscrg 107>,
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<&syscrg 106>;
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dmas = <&dma 20>, <&dma 21>;
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dma-names = "rx","tx";
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#sound-dai-cells = <0>;
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};