Re: [PATCH 1/7] arm64: dts: qcom: sdm845: commonize bluetooth UART pinmux

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On 16/10/2022 10:33, Caleb Connolly wrote:
> The 4-pin configuration for UART6 is used for all or almost all SDM845
> devices with built in Bluetooth. Move the pinmux configuration to
> sdm845.dtsi in preparation to be removed from individual devices in
> future patches.
> 
> Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> Signed-off-by: Caleb Connolly <caleb@xxxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/sdm845.dtsi | 23 +++++++++++++++++++++++

The move should happen here. Otherwise you add new nodes and we cannot
see in one place how the old nodes look like.

>  1 file changed, 23 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index f0e286715d1b..8c69942b969b 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -2971,6 +2971,29 @@ pinmux {
>  				};
>  			};
> 
> +			qup_uart6_4pin: qup-uart6-4pin {

-state suffix

> +				pinmux {
> +					pins = "gpio45", "gpio46", "gpio47", "gpio48";

Drop pinmux node entirely and put function to others.

> +					function = "qup6";
> +				};
> +
> +				cts {

-pins suffix

> +					pins = "gpio45";
> +					bias-pull-down;
> +				};
> +
> +				rts-tx {

-pins suffix

> +					pins = "gpio46", "gpio47";
> +					drive-strength = <2>;
> +					bias-disable;
> +				};
> +
> +				rx {

-pins suffix

> +					pins = "gpio48";
> +					bias-pull-up;
> +				};
> +			};
> +
>  			qup_uart7_default: qup-uart7-default {
>  				pinmux {
>  					pins = "gpio95", "gpio96";
> --
> 2.38.0
> 
> 

Best regards,
Krzysztof




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