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Message-Id: <20200826110454.1811352-2-cychiang@chromium.org>
Date: Wed, 26 Aug 2020 19:04:53 +0800
From: Cheng-Yi Chiang <cychiang@...omium.org>
To: linux-kernel@...r.kernel.org
Cc: Mark Brown <broonie@...nel.org>, Taniya Das <tdas@...eaurora.org>,
Rohit kumar <rohitkr@...eaurora.org>,
Banajit Goswami <bgoswami@...eaurora.org>,
Patrick Lai <plai@...eaurora.org>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Liam Girdwood <lgirdwood@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>,
Srini Kandagatla <srinivas.kandagatla@...aro.org>,
Stephan Gerhold <stephan@...hold.net>, dianders@...omium.org,
dgreid@...omium.org, tzungbi@...omium.org,
linux-arm-kernel@...ts.infradead.org,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
alsa-devel@...a-project.org,
Cheng-Yi Chiang <cychiang@...omium.org>
Subject: [PATCH v6 1/2] ASoC: qcom: dt-bindings: Add sc7180 machine bindings
Add devicetree bindings documentation file for sc7180 sound card.
Signed-off-by: Cheng-Yi Chiang <cychiang@...omium.org>
---
.../bindings/sound/qcom,sc7180.yaml | 124 ++++++++++++++++++
1 file changed, 124 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..a85375974a4c
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml
@@ -0,0 +1,124 @@
+# 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@...eaurora.org>
+ - Cheng-Yi Chiang <cychiang@...omium.org>
+
+description:
+ This binding describes the SC7180 sound card which uses LPASS for audio.
+
+properties:
+ compatible:
+ 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:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: phandle of the codec for headset detection
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+patternProperties:
+ "^dai-link(@[0-9])?$":
+ 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.
+
+ 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
+
+required:
+ - compatible
+ - model
+ - "#address-cells"
+ - "#size-cells"
+
+additionalProperties: false
+
+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>;
+ };
+ };
+ };
--
2.28.0.297.g1956fa8f8d-goog
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