Re: [PATCH 4/5] arm64: dst: qcom: sm8450: switch to usb3/dp combo phy

[Konrad Dybcio <konrad.dybcio@linaro.org>]

subject: s/dst/dts here and in 5/5

On 6.02.2023 11:17, Neil Armstrong wrote:
> The QMP PHY is a USB3/DP combo phy, switch to the newly
> documented bindings and register the clocks to the GCC
> and DISPCC controllers.
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
> ---
>  arch/arm64/boot/dts/qcom/sm8450.dtsi | 38 +++++++++++++-----------------------
>  1 file changed, 14 insertions(+), 24 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> index d66dcd8fe61f..757b7c56d5f5 100644
> --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> @@ -748,7 +748,7 @@ gcc: clock-controller@100000 {
>  				 <&ufs_mem_phy_lanes 0>,
>  				 <&ufs_mem_phy_lanes 1>,
>  				 <&ufs_mem_phy_lanes 2>,
> -				 <0>;
> +				 <&usb_1_qmpphy 0>;
>  			clock-names = "bi_tcxo",
>  				      "sleep_clk",
>  				      "pcie_0_pipe_clk",
> @@ -2038,37 +2038,27 @@ usb_1_hsphy: phy@88e3000 {
>  			resets = <&gcc GCC_QUSB2PHY_PRIM_BCR>;
>  		};
>  
> -		usb_1_qmpphy: phy-wrapper@88e9000 {
> -			compatible = "qcom,sm8450-qmp-usb3-phy";
> -			reg = <0 0x088e9000 0 0x200>,
> -			      <0 0x088e8000 0 0x20>;
> -			status = "disabled";
> +		usb_1_qmpphy: phy@88e8000 {
> +			compatible = "qcom,sm8450-qmp-usb3-dp-phy";
> +			reg = <0 0x088e8000 0 0x4000>;

>  			#address-cells = <2>;
>  			#size-cells = <2>;
>  			ranges;
These can go since you're removing the subnode, I think..
>  
>  			clocks = <&gcc GCC_USB3_PRIM_PHY_AUX_CLK>,
>  				 <&rpmhcc RPMH_CXO_CLK>,
> -				 <&gcc GCC_USB3_PRIM_PHY_COM_AUX_CLK>;
> -			clock-names = "aux", "ref_clk_src", "com_aux";
> +				 <&gcc GCC_USB3_PRIM_PHY_COM_AUX_CLK>,
> +				 <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>;
> +			clock-names = "aux", "ref", "com_aux", "usb3_pipe";
>  
>  			resets = <&gcc GCC_USB3_DP_PHY_PRIM_BCR>,
>  				 <&gcc GCC_USB3_PHY_PRIM_BCR>;
>  			reset-names = "phy", "common";
>  
> -			usb_1_ssphy: phy@88e9200 {
> -				reg = <0 0x088e9200 0 0x200>,
> -				      <0 0x088e9400 0 0x200>,
> -				      <0 0x088e9c00 0 0x400>,
> -				      <0 0x088e9600 0 0x200>,
> -				      <0 0x088e9800 0 0x200>,
> -				      <0 0x088e9a00 0 0x100>;
> -				#phy-cells = <0>;
> -				#clock-cells = <0>;
> -				clocks = <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>;
> -				clock-names = "pipe0";
> -				clock-output-names = "usb3_phy_pipe_clk_src";
> -			};
> +			#clock-cells = <1>;
> +			#phy-cells = <1>;
> +
> +			status = "disabled";
>  		};
>  
>  		remoteproc_slpi: remoteproc@2400000 {
> @@ -2976,8 +2966,8 @@ dispcc: clock-controller@af00000 {
>  				 <&mdss_dsi0_phy 1>,
>  				 <&mdss_dsi1_phy 0>,
>  				 <&mdss_dsi1_phy 1>,
> -				 <0>, /* dp0 */
> -				 <0>,
> +				 <&usb_1_qmpphy 0>,
> +				 <&usb_1_qmpphy 1>,
>  				 <0>, /* dp1 */
>  				 <0>,
>  				 <0>, /* dp2 */
> @@ -4157,7 +4147,7 @@ usb_1_dwc3: usb@a600000 {
>  				iommus = <&apps_smmu 0x0 0x0>;
>  				snps,dis_u2_susphy_quirk;
>  				snps,dis_enblslpm_quirk;
> -				phys = <&usb_1_hsphy>, <&usb_1_ssphy>;
> +				phys = <&usb_1_hsphy>, <&usb_1_qmpphy 0>;
>  				phy-names = "usb2-phy", "usb3-phy";
BTW msm-5.10 marks the dwc3 subdevice dma-coherent, maybe we should too?

Konrad
>  			};
>  		};
>