On Mon, Aug 03, 2020 at 12:01:21PM +0800, Cheng-Yi Chiang wrote:
> Add devicetree bindings documentation file for sc7180 sound card.
>
> Signed-off-by: Cheng-Yi Chiang <cychi...@chromium.org>
> ---
> .../bindings/sound/qcom,sc7180.yaml | 113 ++++++++++++++++++
> 1 file changed, 113 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/sound/qcom,sc7180.yaml
>
> diff --git a/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml
> b/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml
> new file mode 100644
> index 000000000000..c74f0fe9fb3b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml
> @@ -0,0 +1,113 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/qcom,sc7180.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Technologies Inc. SC7180 ASoC sound card driver
> +
> +maintainers:
> + - Rohit kumar <rohi...@codeaurora.org>
> + - Cheng-Yi Chiang <cychi...@chromium.org>
> +
> +description:
> + This binding describes the SC7180 sound card which uses LPASS for audio.
> +
> +properties:
> + compatible:
> + contains:
> + const: qcom,sc7180-sndcard
> +
> + audio-routing:
> + $ref: /schemas/types.yaml#/definitions/non-unique-string-array
> + description:
> + A list of the connections between audio components. Each entry is a
> + pair of strings, the first being the connection's sink, the second
> + being the connection's source.
> +
> + model:
> + $ref: /schemas/types.yaml#/definitions/string
> + description: User specified audio sound card name
> +
> + aux-dev:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description: phandle of the codec for headset detection
> +
> +patternProperties:
> + "^dai-link(@[0-9]+)?$":
> + description:
> + Each subnode represents a dai link. Subnodes of each dai links would be
> + cpu/codec dais.
> +
> + type: object
> +
> + properties:
> + link-name:
> + description: Indicates dai-link name and PCM stream name.
> + $ref: /schemas/types.yaml#/definitions/string
> + maxItems: 1
> +
> + reg:
> + description: dai link address.
> + $ref: /schemas/types.yaml#/definitions/uint32
> + maxItems: 1
> +
> + cpu:
> + description: Holds subnode which indicates cpu dai.
> + type: object
> + properties:
> + sound-dai: true
> +
> + codec:
> + description: Holds subnode which indicates codec dai.
> + type: object
> + properties:
> + sound-dai: true
> +
> + required:
> + - link-name
> + - cpu
> + - codec
> +
> + additionalProperties: false
Nothing required?
Add:
additionalProperties: false
(And you'll need to define #address-cells and #size-cells)
> +
> +examples:
> +
> + - |
> + sound {
> + compatible = "qcom,sc7180-sndcard";
> + model = "sc7180-snd-card";
> +
> + audio-routing =
> + "Headphone Jack", "HPOL",
> + "Headphone Jack", "HPOR";
> +
> + aux-dev = <&alc5682>;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + dai-link@0 {
> + link-name = "MultiMedia0";
> + reg = <0>;
> + cpu {
> + sound-dai = <&lpass_cpu 0>;
> + };
> +
> + codec {
> + sound-dai = <&alc5682 0>;
> + };
> + };
> +
> + dai-link@1 {
> + link-name = "MultiMedia1";
> + reg = <1>;
> + cpu {
> + sound-dai = <&lpass_cpu 1>;
> + };
> +
> + codec {
> + sound-dai = <&max98357a>;
> + };
> + };
> + };
> --
> 2.28.0.163.g6104cc2f0b6-goog
>
