Re: [PATCH v4 1/2] ASoC: qcom: dt-bindings: Add sc7180 machine bindings

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 cychiang@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 rohitkr@codeaurora.org
• • Cheng-Yi Chiang cychiang@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