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authorWalker Chen <walker.chen@starfivetech.com>2023-05-26 16:54:00 +0200
committerMark Brown <broonie@kernel.org>2023-06-01 13:30:40 +0200
commitd9afe0d36cc27dcacbcecf02fe803a30d544698c (patch)
tree1008e6de8de552fd254ff11937cbe479f937039a
parentASoC: minor cleanup for soc_get_playback_capture() (diff)
downloadlinux-d9afe0d36cc27dcacbcecf02fe803a30d544698c.tar.xz
linux-d9afe0d36cc27dcacbcecf02fe803a30d544698c.zip
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>
-rw-r--r--Documentation/devicetree/bindings/sound/starfive,jh7110-tdm.yaml98
1 files changed, 98 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/starfive,jh7110-tdm.yaml b/Documentation/devicetree/bindings/sound/starfive,jh7110-tdm.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/starfive,jh7110-tdm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH7110 TDM Controller
+
+description: |
+ The TDM Controller is a Time Division Multiplexed audio interface
+ integrated in StarFive JH7110 SoC, allowing up to 8 channels of
+ audio over a serial interface. The TDM controller can operate both
+ in master and slave mode.
+
+maintainers:
+ - Walker Chen <walker.chen@starfivetech.com>
+
+allOf:
+ - $ref: dai-common.yaml#
+
+properties:
+ compatible:
+ enum:
+ - starfive,jh7110-tdm
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: TDM AHB Clock
+ - description: TDM APB Clock
+ - description: TDM Internal Clock
+ - description: TDM Clock
+ - description: Inner MCLK
+ - description: TDM External Clock
+
+ clock-names:
+ items:
+ - const: tdm_ahb
+ - const: tdm_apb
+ - const: tdm_internal
+ - const: tdm
+ - const: mclk_inner
+ - const: tdm_ext
+
+ resets:
+ items:
+ - description: tdm ahb reset line
+ - description: tdm apb reset line
+ - description: tdm core reset line
+
+ dmas:
+ items:
+ - description: RX DMA Channel
+ - description: TX DMA Channel
+
+ dma-names:
+ items:
+ - const: rx
+ - const: tx
+
+ "#sound-dai-cells":
+ const: 0
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - resets
+ - dmas
+ - dma-names
+ - "#sound-dai-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ tdm@10090000 {
+ compatible = "starfive,jh7110-tdm";
+ reg = <0x10090000 0x1000>;
+ clocks = <&syscrg 184>,
+ <&syscrg 185>,
+ <&syscrg 186>,
+ <&syscrg 187>,
+ <&syscrg 17>,
+ <&tdm_ext>;
+ clock-names = "tdm_ahb", "tdm_apb",
+ "tdm_internal", "tdm",
+ "mclk_inner", "tdm_ext";
+ resets = <&syscrg 105>,
+ <&syscrg 107>,
+ <&syscrg 106>;
+ dmas = <&dma 20>, <&dma 21>;
+ dma-names = "rx","tx";
+ #sound-dai-cells = <0>;
+ };