[RESEND PATCH v6 v6 1/2] ASoC: dt-bindings: qcom,wsa8840: Add reset-gpios for shared line

From: Krzysztof Kozlowski
Date: Wed Feb 21 2024 - 06:32:53 EST


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>

---

Resending because reset part of the patchset was applied, so this can go
independently via ASoC.
https://lore.kernel.org/all/38fda6619769da7240517982adfe734cb653ff5e.camel@xxxxxxxxxxxxxx/

Changes in v6
=============
1. Add Rb/Ack tags.

For full changelog, see:
https://lore.kernel.org/all/20240129115216.96479-1-krzysztof.kozlowski@xxxxxxxxxx/
---
.../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