| Message ID | 20240112163608.528453-4-krzysztof.kozlowski@linaro.org (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | reset: gpio: ASoC: shared GPIO resets | expand |
On Fri, 12 Jan 2024 17:36:06 +0100, Krzysztof Kozlowski wrote: > 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> > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> > > --- > > 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(-) > Acked-by: Rob Herring <robh@kernel.org>
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:
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> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> --- 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(-)