linux-kernel - [PATCH v1 1/2] ASoC: qcom: dt-bindings: Add SM8250 sound card bindings

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Message-Id: <20201026170947.10567-2-srinivas.kandagatla@linaro.org>
Date:   Mon, 26 Oct 2020 17:09:46 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     broonie@...nel.org
Cc:     perex@...ex.cz, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, plai@...eaurora.org,
        spapothi@...eaurora.org, lgirdwood@...il.com,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH v1 1/2] ASoC: qcom: dt-bindings: Add SM8250 sound card bindings

This patch adds bindings required for SM8250 based soundcards
for example Qualcomm Robotics RB5 Development Kit which makes
use of ADSP and Internal LPASS codec.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 .../bindings/sound/qcom,sm8250.yaml           | 161 ++++++++++++++++++
 1 file changed, 161 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/qcom,sm8250.yaml

diff --git a/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml b/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml
new file mode 100644
index 000000000000..b8f97fe6e92c
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml
@@ -0,0 +1,161 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/qcom,sm8250.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies Inc. SM8250 ASoC sound card driver
+
+maintainers:
+  - Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
+
+description:
+  This bindings describes SC8250 SoC based sound cards
+  which uses LPASS internal codec for audio.
+
+properties:
+  compatible:
+    oneOf:
+      - const: qcom,qrb5165-rb5
+      - items:
+        - const: qcom,sm8250
+        - const: qcom,qrb5165-rb5
+
+  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. Valid names could be power supplies,
+      MicBias of codec and the jacks on the board.
+
+  model:
+    $ref: /schemas/types.yaml#/definitions/string
+    description: User visible long sound card name
+
+patternProperties:
+  ".*-dai-link$":
+    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
+
+      cpu:
+        description: Holds subnode which indicates cpu dai.
+        type: object
+        properties:
+          sound-dai: true
+
+      platform:
+        description: Holds subnode which indicates platform 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
+
+    additionalProperties: false
+
+required:
+  - compatible
+  - model
+
+additionalProperties: false
+
+examples:
+
+  - |
+    #include <dt-bindings/sound/qcom,q6afe.h>
+    #include <dt-bindings/sound/qcom,q6asm.h>
+    sound {
+        compatible = "qcom,qrb5165-rb5";
+        model = "Qualcomm-qrb5165-RB5-WSA8815-Speakers-DMIC0";
+        audio-routing = "SpkrLeft IN", "WSA_SPK1 OUT",
+                    "SpkrRight IN", "WSA_SPK2 OUT",
+                    "VA DMIC0", "vdd-micb",
+                    "VA DMIC1", "vdd-micb",
+                    "MM_DL1",  "MultiMedia1 Playback",
+                    "MM_DL2",  "MultiMedia2 Playback",
+                    "MultiMedia3 Capture", "MM_UL3";
+
+        mm1-dai-link {
+            link-name = "MultiMedia0";
+            cpu {
+                sound-dai = <&q6asmdai  MSM_FRONTEND_DAI_MULTIMEDIA1>;
+            };
+        };
+
+        mm2-dai-link {
+            link-name = "MultiMedia2";
+            cpu {
+                sound-dai = <&q6asmdai  MSM_FRONTEND_DAI_MULTIMEDIA2>;
+            };
+        };
+
+        mm3-dai-link {
+            link-name = "MultiMedia3";
+            cpu {
+                sound-dai = <&q6asmdai  MSM_FRONTEND_DAI_MULTIMEDIA3>;
+            };
+        };
+
+        hdmi-dai-link {
+            link-name = "HDMI Playback";
+            cpu {
+                sound-dai = <&q6afedai TERTIARY_MI2S_RX>;
+            };
+
+            platform {
+                sound-dai = <&q6routing>;
+            };
+
+            codec {
+                sound-dai = <&lt9611_codec 0>;
+            };
+        };
+
+        wsa-dai-link {
+            link-name = "WSA Playback";
+            cpu {
+                sound-dai = <&q6afedai WSA_CODEC_DMA_RX_0>;
+            };
+
+            platform {
+                sound-dai = <&q6routing>;
+            };
+
+            codec {
+                sound-dai = <&left_spkr>, <&right_spkr>, <&swr0 0>, <&wsamacro>;
+            };
+        };
+
+        va-dai-link {
+            link-name = "VA Capture";
+            cpu {
+                sound-dai = <&q6afedai VA_CODEC_DMA_TX_0>;
+            };
+
+            platform {
+                sound-dai = <&q6routing>;
+            };
+
+            codec {
+                sound-dai = <&vamacro 0>;
+            };
+        };
+    };
-- 
2.21.0