Re: [PATCH v3] dt-bindings: pinctrl: qcom,sm8450-lpass-lpi-pinctrl: Add SA8775P and QCS8300 pinctrl

From: Rob Herring

Date: Tue Jan 27 2026 - 09:20:50 EST


On Tue, Jan 27, 2026 at 04:25:11PM +0530, Mohammad Rafi Shaik wrote:
> Document compatible for Qualcomm SA8775P and QCS8300 SoC LPASS TLMM
> pin controller, fully compatible with previous SM8450 generation
> (same amount of pins and functions).
>
> Signed-off-by: Mohammad Rafi Shaik <mohammad.rafi.shaik@xxxxxxxxxxxxxxxx>
> ---
> changes in [v3]:
> - Removed the duplicate driver code patch as suggested by Krzysztof.
> - Reused the existing SM8490 pinctrl, which is fully compatible with SA8775P and QCS8300.
> - Link to V2: https://lore.kernel.org/all/20260107192007.500995-1-mohammad.rafi.shaik@xxxxxxxxxxxxxxxx/
>
> changes in [v2]:
> - Fixed dt-binding errors reported by Krzysztof and Rob.
> - Added proper slew rate value for wsa2_swr_data GPIO, as suggested by Konrad.
> - Documented Monaco compatible as suggested by Konrad.
> - Link to V1: https://lore.kernel.org/all/20251116171656.3105461-1-mohammad.rafi.shaik@xxxxxxxxxxxxxxxx/
> ---
> .../pinctrl/qcom,sm8450-lpass-lpi-pinctrl.yaml | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sm8450-lpass-lpi-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sm8450-lpass-lpi-pinctrl.yaml
> index e7565592d..354629c38 100644
> --- a/Documentation/devicetree/bindings/pinctrl/qcom,sm8450-lpass-lpi-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,sm8450-lpass-lpi-pinctrl.yaml
> @@ -15,7 +15,15 @@ description:
>
> properties:
> compatible:
> - const: qcom,sm8450-lpass-lpi-pinctrl
> + oneOf:
> + - const: qcom,sm8450-lpass-lpi-pinctrl
> + - items:
> + - enum:
> + - qcom,qcs8300-lpass-lpi-pinctrl
> + - qcom,sa8775p-lpass-lpi-pinctrl
> + - const: qcom,sm8450-lpass-lpi-pinctrl
> + minItems: 1
> + maxItems: 2

No. You are either backwards compatible with sm8450 or you aren't. The
h/w is fixed.

Rob