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Subject[PATCH 1/2] ASoC: qcom: dt-bindings: Add sc7180 machine bindings
Date
Add devicetree bindings documentation file for sc7180 sound card.

Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org>
---
.../bindings/sound/qcom,sc7180.yaml | 123 ++++++++++++++++++
1 file changed, 123 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..d60d2880d991
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml
@@ -0,0 +1,123 @@
+# 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.
+
+definitions:
+
+ link-name:
+ description: Indicates dai-link name and PCM stream name.
+ $ref: /schemas/types.yaml#/definitions/string
+ maxItems: 1
+
+ dai:
+ type: object
+ properties:
+ sound-dai:
+ maxItems: 1
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ description: phandle array of the codec or CPU DAI
+
+ required:
+ - sound-dai
+
+ unidirectional:
+ description: Specify direction of unidirectional dai link.
+ 0 for playback only. 1 for capture only.
+ $ref: /schemas/types.yaml#/definitions/uint32
+
+properties:
+ compatible:
+ contains:
+ enum:
+ - 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:
+ $ref: /schemas/types.yaml#/definitions/string
+ description: User specified audio sound card name
+
+patternProperties:
+ "^dai-link-[0-9]+$":
+ description: |
+ Each subnode represents a dai link. Subnodes of each dai links would be
+ cpu/codec dais.
+
+ type: object
+
+ properties:
+ link-name:
+ $ref: "#/definitions/link-name"
+
+ unidirectional:
+ $ref: "#/definitions/unidirectional"
+
+ cpu:
+ $ref: "#/definitions/dai"
+
+ codec:
+ $ref: "#/definitions/dai"
+
+ required:
+ - link-name
+ - cpu
+ - codec
+
+ additionalProperties: false
+
+examples:
+
+ - |
+ snd {
+ compatible = "qcom,sc7180-sndcard";
+ model = "sc7180-snd-card";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&sec_mi2s_active &sec_mi2s_dout_active
+ &sec_mi2s_ws_active &pri_mi2s_active
+ &pri_mi2s_dout_active &pri_mi2s_ws_active
+ &pri_mi2s_din_active &pri_mi2s_mclk_active>;
+
+ audio-routing =
+ "Headphone Jack", "HPOL",
+ "Headphone Jack", "HPOR";
+
+ dai-link-0 {
+ link-name = "MultiMedia0";
+ cpu {
+ sound-dai = <&lpass_cpu 0>;
+ };
+
+ codec {
+ sound-dai = <&alc5682 0>;
+ };
+ };
+
+ dai-link-1 {
+ link-name = "MultiMedia1";
+ unidirectional = <0>;
+ cpu {
+ sound-dai = <&lpass_cpu 1>;
+ };
+
+ codec {
+ sound-dai = <&max98357a>;
+ };
+ };
+ };
--
2.28.0.rc0.105.gf9edc3c819-goog
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