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Date:   Sat, 5 Jun 2021 22:59:49 -0500
From:   Bjorn Andersson <bjorn.andersson@linaro.org>
To:     Sandeep Maheswaram <sanm@codeaurora.org>
Cc:     Rob Herring <robh+dt@kernel.org>, Andy Gross <agross@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Felipe Balbi <balbi@kernel.org>,
        Stephen Boyd <swboyd@chromium.org>,
        Doug Anderson <dianders@chromium.org>,
        Matthias Kaehlcke <mka@chromium.org>,
        devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
        linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
        Manu Gautam <mgautam@codeaurora.org>
Subject: Re: [PATCH v4 1/2] arm64: dts: qcom: sc7280: Add USB related nodes
Message-ID: <YLxINYgey58jRWnq@builder.lan>
References: <1622804618-18480-1-git-send-email-sanm@codeaurora.org>
 <1622804618-18480-2-git-send-email-sanm@codeaurora.org>
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On Fri 04 Jun 06:03 CDT 2021, Sandeep Maheswaram wrote:

> Add nodes for DWC3 USB controller, QMP and HS USB PHYs in sc7280 SOC.
> 
> Signed-off-by: Sandeep Maheswaram <sanm@codeaurora.org>
> Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
> ---
> changed usb3-phy to lanes in qmp phy node as it was causing probe failure.
> 
>  arch/arm64/boot/dts/qcom/sc7280.dtsi | 149 +++++++++++++++++++++++++++++++++++
>  1 file changed, 149 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index 0b6f119..d70d5fb 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -973,6 +973,110 @@
>  			};
>  		};
>  
> +		usb_1_hsphy: phy@88e3000 {
> +			compatible = "qcom,sc7280-usb-hs-phy",
> +				     "qcom,usb-snps-hs-7nm-phy";
> +			reg = <0 0x088e3000 0 0x400>;
> +			status = "disabled";
> +			#phy-cells = <0>;
> +
> +			clocks = <&rpmhcc RPMH_CXO_CLK>;
> +			clock-names = "ref";
> +
> +			resets = <&gcc GCC_QUSB2PHY_PRIM_BCR>;
> +		};
> +
> +		usb_2_hsphy: phy@88e4000 {
> +			compatible = "qcom,sc7280-usb-hs-phy",
> +				     "qcom,usb-snps-hs-7nm-phy";
> +			reg = <0 0x088e4000 0 0x400>;
> +			status = "disabled";
> +			#phy-cells = <0>;
> +
> +			clocks = <&rpmhcc RPMH_CXO_CLK>;
> +			clock-names = "ref";
> +
> +			resets = <&gcc GCC_QUSB2PHY_SEC_BCR>;
> +		};
> +
> +		usb_1_qmpphy: phy-wrapper@88e9000 {
> +			compatible = "qcom,sm8250-qmp-usb3-phy";

No, your sc7280 doesn't have a sm8250 UBS PHY.

> +			reg = <0 0x088e9000 0 0x200>,
> +			      <0 0x088e8000 0 0x20>;
> +			reg-names = "reg-base", "dp_com";
> +			status = "disabled";
> +			#address-cells = <2>;
> +			#size-cells = <2>;
> +			ranges;
> +
> +			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";
> +
> +			resets = <&gcc GCC_USB3_DP_PHY_PRIM_BCR>,
> +				 <&gcc GCC_USB3_PHY_PRIM_BCR>;
> +			reset-names = "phy", "common";
> +
> +			usb_1_ssphy: lanes@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 = <1>;
> +				clocks = <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>;
> +				clock-names = "pipe0";
> +				clock-output-names = "usb3_phy_pipe_clk_src";
> +			};
> +		};
> +
> +		usb_2: usb@8cf8800 {
> +			compatible = "qcom,sc7280-dwc3", "qcom,dwc3";
> +			reg = <0 0x08cf8800 0 0x400>;
> +			status = "disabled";
> +			#address-cells = <2>;
> +			#size-cells = <2>;
> +			ranges;
> +			dma-ranges;
> +
> +			clocks = <&gcc GCC_CFG_NOC_USB3_SEC_AXI_CLK>,
> +				 <&gcc GCC_USB30_SEC_MASTER_CLK>,
> +				 <&gcc GCC_AGGRE_USB3_SEC_AXI_CLK>,
> +				 <&gcc GCC_USB30_SEC_MOCK_UTMI_CLK>,
> +				 <&gcc GCC_USB30_SEC_SLEEP_CLK>;
> +			clock-names = "cfg_noc", "core", "iface","mock_utmi",
> +				      "sleep";
> +
> +			assigned-clocks = <&gcc GCC_USB30_SEC_MOCK_UTMI_CLK>,
> +					  <&gcc GCC_USB30_SEC_MASTER_CLK>;
> +			assigned-clock-rates = <19200000>, <200000000>;
> +
> +			interrupts-extended = <&intc GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>,
> +				     <&pdc 13 IRQ_TYPE_EDGE_RISING>,
> +				     <&pdc 12 IRQ_TYPE_EDGE_RISING>;
> +			interrupt-names = "hs_phy_irq",
> +					  "dm_hs_phy_irq", "dp_hs_phy_irq";
> +
> +			power-domains = <&gcc GCC_USB30_SEC_GDSC>;
> +
> +			resets = <&gcc GCC_USB30_SEC_BCR>;
> +
> +			usb_2_dwc3: dwc3@8c00000 {

This should be usb@.

> +				compatible = "snps,dwc3";
> +				reg = <0 0x08c00000 0 0xe000>;
> +				interrupts = <GIC_SPI 242 IRQ_TYPE_LEVEL_HIGH>;
> +				iommus = <&apps_smmu 0xa0 0x0>;
> +				snps,dis_u2_susphy_quirk;
> +				snps,dis_enblslpm_quirk;
> +				phys = <&usb_2_hsphy>;
> +				phy-names = "usb2-phy";
> +				maximum-speed = "high-speed";
> +			};
> +		};
> +
>  		system-cache-controller@9200000 {
>  			compatible = "qcom,sc7280-llcc";
>  			reg = <0 0x09200000 0 0xd0000>, <0 0x09600000 0 0x50000>;
> @@ -980,6 +1084,51 @@
>  			interrupts = <GIC_SPI 582 IRQ_TYPE_LEVEL_HIGH>;
>  		};
>  
> +		usb_1: usb@a6f8800 {
> +			compatible = "qcom,sc7280-dwc3", "qcom,dwc3";
> +			reg = <0 0x0a6f8800 0 0x400>;
> +			status = "disabled";
> +			#address-cells = <2>;
> +			#size-cells = <2>;
> +			ranges;
> +			dma-ranges;
> +
> +			clocks = <&gcc GCC_CFG_NOC_USB3_PRIM_AXI_CLK>,
> +				 <&gcc GCC_USB30_PRIM_MASTER_CLK>,
> +				 <&gcc GCC_AGGRE_USB3_PRIM_AXI_CLK>,
> +				 <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
> +				 <&gcc GCC_USB30_PRIM_SLEEP_CLK>;
> +			clock-names = "cfg_noc", "core", "iface", "mock_utmi",
> +				      "sleep";
> +
> +			assigned-clocks = <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
> +					  <&gcc GCC_USB30_PRIM_MASTER_CLK>;
> +			assigned-clock-rates = <19200000>, <200000000>;
> +
> +			interrupts-extended = <&intc GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
> +					      <&pdc 14 IRQ_TYPE_EDGE_BOTH>,
> +					      <&pdc 15 IRQ_TYPE_EDGE_BOTH>,
> +					      <&pdc 17 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "hs_phy_irq", "dp_hs_phy_irq",
> +					  "dm_hs_phy_irq", "ss_phy_irq";
> +
> +			power-domains = <&gcc GCC_USB30_PRIM_GDSC>;
> +
> +			resets = <&gcc GCC_USB30_PRIM_BCR>;
> +
> +			usb_1_dwc3: dwc3@a600000 {

Ditto.

Regards,
Bjorn