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@xxxxxxxx>
Cc: Sean Anderson <sean.anderson@xxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
If previous patches are fine, then this commit is independent and could
be taken via ASoC.
---
.../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:
--
2.34.1
