Re: [PATCH v2] arm64: dts: qcom: sm6115: Add geni debug uart node for qup0

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On 08/02/2023 13:27, Bhupesh Sharma wrote:
> qup0 on sm6115 / sm4250 has 6 SEs, with SE4 as debug uart.
> Add the debug uart node in sm6115 dtsi file.
> 
> Cc: Bjorn Andersson <andersson@xxxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Signed-off-by: Bhupesh Sharma <bhupesh.sharma@xxxxxxxxxx>
> ---
>  Changes since v1:
>   - v1 can be viewed here: https://lore.kernel.org/linux-arm-msm/20221128171215.1768745-1-bhupesh.sharma@xxxxxxxxxx/
>   - Addressed Konrad's review comments on v1.
>   - Rebased againt latest linux-next/master which now has the 'qupv3_id_0' node
>     already in the dtsi file, so just add the debug uart node in v2.
> 
>  arch/arm64/boot/dts/qcom/sm6115.dtsi | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm6115.dtsi b/arch/arm64/boot/dts/qcom/sm6115.dtsi
> index 50cb8a82ecd5..3eccfb8c16ce 100644
> --- a/arch/arm64/boot/dts/qcom/sm6115.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm6115.dtsi
> @@ -963,6 +963,15 @@ spi4: spi@4a90000 {
>  				status = "disabled";
>  			};
>  
> +			uart4: serial@4a90000 {
> +				compatible = "qcom,geni-debug-uart";
> +				reg = <0x04a90000 0x4000>;
> +				clock-names = "se";
> +				clocks = <&gcc GCC_QUPV3_WRAP0_S4_CLK>;
> +				interrupts = <GIC_SPI 331 IRQ_TYPE_LEVEL_HIGH>;
> +				status = "disabled";
> +			};
> +
>  			i2c5: i2c@4a94000 {
>  				compatible = "qcom,geni-i2c";
>  				reg = <0x04a94000 0x4000>;
> @@ -992,7 +1001,6 @@ spi5: spi@4a94000 {
>  				dma-names = "tx", "rx";
>  				#address-cells = <1>;
>  				#size-cells = <0>;
> -				status = "disabled";

Why do you enable SPI? The commit msg is not explaining it.

Best regards




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