On newer Qualcomm platforms, like X1E80100-CRD, the WSA884x speakers share SD_N GPIOs between two speakers, thus a coordinated assertion is needed. Linux supports handling shared GPIO lines through "reset-gpios" property, thus allow specifying either powerdown or reset GPIOs (these are the same).
Cc: Bartosz Golaszewski brgl@bgdev.pl Cc: Sean Anderson sean.anderson@seco.com Acked-by: Rob Herring robh@kernel.org Signed-off-by: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org
---
Resending because reset part of the patchset was applied, so this can go independently via ASoC. https://lore.kernel.org/all/38fda6619769da7240517982adfe734cb653ff5e.camel@p...
Changes in v6 ============= 1. Add Rb/Ack tags.
For full changelog, see: https://lore.kernel.org/all/20240129115216.96479-1-krzysztof.kozlowski@linar... --- .../devicetree/bindings/sound/qcom,wsa8840.yaml | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/sound/qcom,wsa8840.yaml b/Documentation/devicetree/bindings/sound/qcom,wsa8840.yaml index d717017b0fdb..22798d22d981 100644 --- a/Documentation/devicetree/bindings/sound/qcom,wsa8840.yaml +++ b/Documentation/devicetree/bindings/sound/qcom,wsa8840.yaml @@ -28,6 +28,10 @@ properties: description: Powerdown/Shutdown line to use (pin SD_N) maxItems: 1
+ reset-gpios: + description: Powerdown/Shutdown line to use (pin SD_N) + maxItems: 1 + '#sound-dai-cells': const: 0
@@ -37,11 +41,16 @@ properties: required: - compatible - reg - - powerdown-gpios - '#sound-dai-cells' - vdd-1p8-supply - vdd-io-supply
+oneOf: + - required: + - powerdown-gpios + - required: + - reset-gpios + unevaluatedProperties: false
examples: