[PATCH v3 07/20] ASoC: dt-bindings: replace q6asm with q6dsp audio stream bindings
Srinivas Kandagatla
srinivas.kandagatla at linaro.org
Tue Aug 3 14:53:58 CEST 2021
DSP Audio Strem bindings have been documented with DSP services bindings
which makes it difficult to reuse them, so pull them out in to a dedicated
bindings.
Also as part of this change convert them into yaml format.
This patch also removes q6asm bindings as dsp services are now documented in
apr bindings.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
---
.../devicetree/bindings/sound/qcom,q6asm.txt | 70 --------------
.../sound/qcom,q6dsp-audio-stream.yaml | 94 +++++++++++++++++++
2 files changed, 94 insertions(+), 70 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/sound/qcom,q6asm.txt
create mode 100644 Documentation/devicetree/bindings/sound/qcom,q6dsp-audio-stream.yaml
diff --git a/Documentation/devicetree/bindings/sound/qcom,q6asm.txt b/Documentation/devicetree/bindings/sound/qcom,q6asm.txt
deleted file mode 100644
index 8c4883becae9..000000000000
--- a/Documentation/devicetree/bindings/sound/qcom,q6asm.txt
+++ /dev/null
@@ -1,70 +0,0 @@
-Qualcomm Audio Stream Manager (Q6ASM) binding
-
-Q6ASM is one of the APR audio service on Q6DSP.
-Please refer to qcom,apr.txt for details of the common apr service bindings
-used by the apr service device.
-
-- but must contain the following property:
-
-- compatible:
- Usage: required
- Value type: <stringlist>
- Definition: must be "qcom,q6asm-v<MAJOR-NUMBER>.<MINOR-NUMBER>".
- Or "qcom,q6asm" where the version number can be queried
- from DSP.
- example "qcom,q6asm-v2.0"
-
-= ASM DAIs (Digial Audio Interface)
-"dais" subnode of the ASM node represents dai specific configuration
-
-- compatible:
- Usage: required
- Value type: <stringlist>
- Definition: must be "qcom,q6asm-dais".
-
-- #sound-dai-cells
- Usage: required
- Value type: <u32>
- Definition: Must be 1
-
-== ASM DAI is subnode of "dais" and represent a dai, it includes board specific
-configuration of each dai. Must contain the following properties.
-
-- reg
- Usage: required
- Value type: <u32>
- Definition: Must be dai id
-
-- direction:
- Usage: Required for Compress offload dais
- Value type: <u32>
- Definition: Specifies the direction of the dai stream
- Q6ASM_DAI_TX_RX (0) for both tx and rx
- Q6ASM_DAI_TX (1) for only tx (Capture/Encode)
- Q6ASM_DAI_RX (2) for only rx (Playback/Decode)
-
-- is-compress-dai:
- Usage: Required for Compress offload dais
- Value type: <boolean>
- Definition: present for Compress offload dais
-
-
-= EXAMPLE
-#include <dt-bindings/sound/qcom,q6asm.h>
-
-apr-service at 7 {
- compatible = "qcom,q6asm";
- reg = <APR_SVC_ASM>;
- q6asmdai: dais {
- compatible = "qcom,q6asm-dais";
- #address-cells = <1>;
- #size-cells = <0>;
- #sound-dai-cells = <1>;
-
- dai at 0 {
- reg = <0>;
- direction = <Q6ASM_DAI_RX>;
- is-compress-dai;
- };
- };
-};
diff --git a/Documentation/devicetree/bindings/sound/qcom,q6dsp-audio-stream.yaml b/Documentation/devicetree/bindings/sound/qcom,q6dsp-audio-stream.yaml
new file mode 100644
index 000000000000..0e70b486b51a
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,q6dsp-audio-stream.yaml
@@ -0,0 +1,94 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/sound/qcom,q6dsp-audio-stream.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Qualcomm DSP Audio Stream binding
+
+maintainers:
+ - Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
+
+description: |
+ This binding describes the Qualcomm DSP Audio stream
+
+properties:
+ compatible:
+ const: qcom,q6asm-dais
+
+ reg:
+ maxItems: 1
+
+ '#sound-dai-cells':
+ const: 1
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+#Digital Audio Interfaces
+patternProperties:
+ '^dai@[0-9]+$':
+ type: object
+ description:
+ Q6DSP Audio Stream Digital Audio Interfaces.
+
+ properties:
+ reg:
+ description:
+ Digital Audio Interface ID
+
+ direction:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1, 2]
+ description:
+ Compress DAI direction
+ 0 = bi-directional
+ 1 = tx only
+ 2 = rx only
+
+ is-compress-dai:
+ type: boolean
+ description:
+ Indicate if DAI is for compress offload
+
+ required:
+ - reg
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - "#sound-dai-cells"
+ - "#address-cells"
+ - "#size-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/soc/qcom,apr.h>
+ apr {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ apr-service at 7 {
+ reg = <APR_SVC_ASM>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ q6asmdai at 1 {
+ compatible = "qcom,q6asm-dais";
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #sound-dai-cells = <1>;
+
+ dai at 1 {
+ reg = <1>;
+ is-compress-dai;
+ };
+ };
+ };
+ };
--
2.21.0
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