linux-kernel - Re: [PATCH V5 4/7] arm64: dts: sc7280: Update QUPv3 UART5 DT node

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Date:   Thu, 12 Aug 2021 08:46:01 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Rajesh Patil <rajpat@...eaurora.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, swboyd@...omium.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, rnayak@...eaurora.org,
        saiprakash.ranjan@...eaurora.org, msavaliy@....qualcomm.com,
        skakit@...eaurora.org, Roja Rani Yarubandi <rojay@...eaurora.org>
Subject: Re: [PATCH V5 4/7] arm64: dts: sc7280: Update QUPv3 UART5 DT node

On Thu, Aug 12, 2021 at 01:11:15PM +0530, Rajesh Patil wrote:
> From: Roja Rani Yarubandi <rojay@...eaurora.org>
> 
> Update the compatible string as "qcom,geni-uart".
> Add interconnects and power-domains. Split the pinctrl
> functions and correct the gpio pins.
> 
> Signed-off-by: Roja Rani Yarubandi <rojay@...eaurora.org>
> Signed-off-by: Rajesh Patil <rajpat@...eaurora.org>
> ---
>  arch/arm64/boot/dts/qcom/sc7280.dtsi | 30 +++++++++++++++++++++++++-----
>  1 file changed, 25 insertions(+), 5 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index e461395..2dc7e8c 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -861,13 +861,18 @@
>  			};
>  
>  			uart5: serial@...000 {
> -				compatible = "qcom,geni-debug-uart";
> +				compatible = "qcom,geni-uart";
>  				reg = <0 0x00994000 0 0x4000>;
>  				clock-names = "se";
>  				clocks = <&gcc GCC_QUPV3_WRAP0_S5_CLK>;
>  				pinctrl-names = "default";
> -				pinctrl-0 = <&qup_uart5_default>;
> +				pinctrl-0 = <&qup_uart5_cts>, <&qup_uart5_rts>, <&qup_uart5_tx>, <&qup_uart5_rx>;
>  				interrupts = <GIC_SPI 606 IRQ_TYPE_LEVEL_HIGH>;
> +				power-domains = <&rpmhpd SC7280_CX>;
> +				operating-points-v2 = <&qup_opp_table>;
> +				interconnects = <&clk_virt MASTER_QUP_CORE_0 0 &clk_virt SLAVE_QUP_CORE_0 0>,
> +						<&gem_noc MASTER_APPSS_PROC 0 &cnoc2 SLAVE_QUP_0 0>;
> +				interconnect-names = "qup-core", "qup-config";
>  				status = "disabled";
>  			};
>  
> @@ -2255,9 +2260,24 @@
>  				function = "qup04";
>  			};
>  
> -			qup_uart5_default: qup-uart5-default {
> -				pins = "gpio46", "gpio47";
> -				function = "qup13";

sc7280-idp.dtsi references this node, so if this patch is applied the SC7280
IDP DT would be broken, unless "[5/7] arm64: dts: sc7280: Configure debug
uart for sc7280-idp" is also applied. I think you need to squash the two
patches.