Re: [PATCH v2 7/9] arm64: dts: qcom: sdm845: switch USB+DP QMP PHY to new style of bindings

From: Neil Armstrong <neil.armstrong@linaro.org>
To: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
	Andy Gross <agross@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konrad.dybcio@linaro.org>,
	Vinod Koul <vkoul@kernel.org>,
	Kishon Vijay Abraham I <kishon@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org,
	Johan Hovold <johan+linaro@kernel.org>,
	devicetree@vger.kernel.org
Subject: Re: [PATCH v2 7/9] arm64: dts: qcom: sdm845: switch USB+DP QMP PHY to new style of bindings
Date: Mon, 27 Mar 2023 10:13:20 +0200	[thread overview]
Message-ID: <fe277e43-2086-74d4-d9b6-04c3205c1b71@linaro.org> (raw)
In-Reply-To: <20230326005733.2166354-8-dmitry.baryshkov@linaro.org>

On 26/03/2023 01:57, Dmitry Baryshkov wrote:
> Change the USB QMP PHY to use newer style of QMP PHY bindings (single
> resource region, no per-PHY subnodes).
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> ---
>   arch/arm64/boot/dts/qcom/sdm845.dtsi | 57 ++++++++++------------------
>   1 file changed, 19 insertions(+), 38 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index 2f32179c7d1b..aff8b9278914 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -17,6 +17,7 @@
>   #include <dt-bindings/interconnect/qcom,osm-l3.h>
>   #include <dt-bindings/interconnect/qcom,sdm845.h>
>   #include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/phy/phy-qcom-qmp.h>
>   #include <dt-bindings/phy/phy-qcom-qusb2.h>
>   #include <dt-bindings/power/qcom-rpmpd.h>
>   #include <dt-bindings/reset/qcom,sdm845-aoss.h>
> @@ -3909,49 +3910,28 @@ usb_2_hsphy: phy@88e3000 {
>   			nvmem-cells = <&qusb2s_hstx_trim>;
>   		};
>   
> -		usb_1_qmpphy: phy@88e9000 {
> +		usb_1_qmpphy: phy@88e8000 {
>   			compatible = "qcom,sdm845-qmp-usb3-dp-phy";
> -			reg = <0 0x088e9000 0 0x18c>,
> -			      <0 0x088e8000 0 0x38>,
> -			      <0 0x088ea000 0 0x40>;
> +			reg = <0 0x088e8000 0 0x3000>;
>   			status = "disabled";
> -			#address-cells = <2>;
> -			#size-cells = <2>;
> -			ranges;
>   
>   			clocks = <&gcc GCC_USB3_PRIM_PHY_AUX_CLK>,
> -				 <&gcc GCC_USB_PHY_CFG_AHB2PHY_CLK>,
>   				 <&gcc GCC_USB3_PRIM_CLKREF_CLK>,
> -				 <&gcc GCC_USB3_PRIM_PHY_COM_AUX_CLK>;
> -			clock-names = "aux", "cfg_ahb", "ref", "com_aux";
> +				 <&gcc GCC_USB3_PRIM_PHY_COM_AUX_CLK>,
> +				 <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>,
> +				 <&gcc GCC_USB_PHY_CFG_AHB2PHY_CLK>;
> +			clock-names = "aux",
> +				      "ref",
> +				      "com_aux",
> +				      "usb3_pipe",
> +				      "cfg_ahb";
>   
>   			resets = <&gcc GCC_USB3_PHY_PRIM_BCR>,
>   				 <&gcc GCC_USB3_DP_PHY_PRIM_BCR>;
>   			reset-names = "phy", "common";
>   
> -			usb_1_ssphy: usb3-phy@88e9200 {
> -				reg = <0 0x088e9200 0 0x128>,
> -				      <0 0x088e9400 0 0x200>,
> -				      <0 0x088e9c00 0 0x218>,
> -				      <0 0x088e9600 0 0x128>,
> -				      <0 0x088e9800 0 0x200>,
> -				      <0 0x088e9a00 0 0x100>;
> -				#clock-cells = <0>;
> -				#phy-cells = <0>;
> -				clocks = <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>;
> -				clock-names = "pipe0";
> -				clock-output-names = "usb3_phy_pipe_clk_src";
> -			};
> -
> -			dp_phy: dp-phy@88ea200 {
> -				reg = <0 0x088ea200 0 0x200>,
> -				      <0 0x088ea400 0 0x200>,
> -				      <0 0x088eaa00 0 0x200>,
> -				      <0 0x088ea600 0 0x200>,
> -				      <0 0x088ea800 0 0x200>;
> -				#clock-cells = <1>;
> -				#phy-cells = <0>;
> -			};
> +			#clock-cells = <1>;
> +			#phy-cells = <1>;
>   		};
>   
>   		usb_2_qmpphy: phy@88eb000 {
> @@ -4031,7 +4011,7 @@ usb_1_dwc3: usb@a600000 {
>   				iommus = <&apps_smmu 0x740 0>;
>   				snps,dis_u2_susphy_quirk;
>   				snps,dis_enblslpm_quirk;
> -				phys = <&usb_1_hsphy>, <&usb_1_ssphy>;
> +				phys = <&usb_1_hsphy>, <&usb_1_qmpphy QMP_USB43DP_USB3_PHY>;
>   				phy-names = "usb2-phy", "usb3-phy";
>   			};
>   		};
> @@ -4499,8 +4479,9 @@ mdss_dp: displayport-controller@ae90000 {
>   					      "ctrl_link_iface", "stream_pixel";
>   				assigned-clocks = <&dispcc DISP_CC_MDSS_DP_LINK_CLK_SRC>,
>   						  <&dispcc DISP_CC_MDSS_DP_PIXEL_CLK_SRC>;
> -				assigned-clock-parents = <&dp_phy 0>, <&dp_phy 1>;
> -				phys = <&dp_phy>;
> +				assigned-clock-parents = <&usb_1_qmpphy QMP_USB43DP_DP_LINK_CLK>,
> +							 <&usb_1_qmpphy QMP_USB43DP_DP_VCO_DIV_CLK>;
> +				phys = <&usb_1_qmpphy QMP_USB43DP_DP_PHY>;
>   				phy-names = "dp";
>   
>   				operating-points-v2 = <&dp_opp_table>;
> @@ -4838,8 +4819,8 @@ dispcc: clock-controller@af00000 {
>   				 <&dsi0_phy 1>,
>   				 <&dsi1_phy 0>,
>   				 <&dsi1_phy 1>,
> -				 <&dp_phy 0>,
> -				 <&dp_phy 1>;
> +				 <&usb_1_qmpphy QMP_USB43DP_DP_LINK_CLK>,
> +				 <&usb_1_qmpphy QMP_USB43DP_DP_VCO_DIV_CLK>;
>   			clock-names = "bi_tcxo",
>   				      "gcc_disp_gpll0_clk_src",
>   				      "gcc_disp_gpll0_div_clk_src",

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>