Re: [PATCH] ASoC: dt-bindings: qcom,apq8016-sbc-sndcard: move to separate binding

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On Tue, Jul 23, 2024 at 10:33:00AM +0200, Krzysztof Kozlowski wrote:
The APQ8016 SBC and MSM8916 QDSP6 sound cards are a bit different from
others: they have additional IO muxing address space and pin control.
Move them to separate schema, so the original qcom,sm8250.yaml will be
easier to manage.  New schema is going to grow for other platforms
having more of IO muxing address spaces.

Cc: Adam Skladowski <a39.skl@xxxxxxxxx>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
.../sound/qcom,apq8016-sbc-sndcard.yaml       | 205 ++++++++++++++++++
.../bindings/sound/qcom,sm8250.yaml           | 137 ------------
2 files changed, 205 insertions(+), 137 deletions(-)
create mode 100644 Documentation/devicetree/bindings/sound/qcom,apq8016-sbc-sndcard.yaml

diff --git a/Documentation/devicetree/bindings/sound/qcom,apq8016-sbc-sndcard.yaml b/Documentation/devicetree/bindings/sound/qcom,apq8016-sbc-sndcard.yaml
new file mode 100644
index 000000000000..6ad451549036
[...]
diff --git a/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml b/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml
index c9076dcd44c1..1d3acdc0c733 100644
--- a/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml
+++ b/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml
@@ -27,9 +27,7 @@ properties:
              - qcom,sm8650-sndcard
          - const: qcom,sm8450-sndcard
      - enum:
-          - qcom,apq8016-sbc-sndcard
          - qcom,apq8096-sndcard
-          - qcom,msm8916-qdsp6-sndcard
          - qcom,qcm6490-idp-sndcard
          - qcom,qcs6490-rb3gen2-sndcard
          - qcom,qrb5165-rb5-sndcard
@@ -58,18 +56,6 @@ properties:
    $ref: /schemas/types.yaml#/definitions/string
    description: User visible long sound card name

-  pin-switches:
-    description: List of widget names for which pin switches should be created.
-    $ref: /schemas/types.yaml#/definitions/string-array
-
-  widgets:
-    description: User specified audio sound widgets.
-    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
-

These two properties are also valid and supported on all newer
platforms, please keep them here! There are certain use cases where
these are needed independent of the platform, e.g. to control an analog
switch or mux connected to speaker or headphone outputs.

I agree that it is cleaner to move the IO muxing to a new schema though.
Perhaps we could define something like a shared qcom,sndcard-common.yaml
schema to avoid duplication for these generic properties? In the Linux
driver, these are handled for all platforms in sound/soc/qcom/common.c.

Thanks,
Stephan




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