Mailing List Archive

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@linaro.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@linaro.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