linux-kernel - Re: [PATCH v2 7/8] arm64: dts: qcom: sm8550: Add USB PHYs and controller nodes

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Date:   Fri, 27 Jan 2023 12:51:05 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Abel Vesa <abel.vesa@...aro.org>, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        "vkoul@...nel.org" <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-phy@...ts.infradead.org
Subject: Re: [PATCH v2 7/8] arm64: dts: qcom: sm8550: Add USB PHYs and
 controller nodes

On 26/01/2023 13:46, Abel Vesa wrote:
> Add USB host controller and PHY nodes.
> 
> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> ---
> 
> NOTE: This patch has been already merged. It is here only to provide
> context for the rest of the patchset. There is a change with respect to the
> clocks, but that will be sent as a separate/individual fix patch.
> 
>  arch/arm64/boot/dts/qcom/sm8550.dtsi | 92 +++++++++++++++++++++++++++-
>  1 file changed, 91 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> index 4daf1f03d79f..6801454bbe10 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> @@ -13,6 +13,7 @@
>  #include <dt-bindings/mailbox/qcom-ipcc.h>
>  #include <dt-bindings/power/qcom-rpmpd.h>
>  #include <dt-bindings/soc/qcom,rpmh-rsc.h>
> +#include <dt-bindings/phy/phy-qcom-qmp.h>
>  #include <dt-bindings/thermal/thermal.h>
>  
>  / {
> @@ -652,7 +653,7 @@ gcc: clock-controller@...000 {
>  				 <&ufs_mem_phy 0>,
>  				 <&ufs_mem_phy 1>,
>  				 <&ufs_mem_phy 2>,
> -				 <0>;
> +				 <&usb_dp_qmpphy QMP_USB43DP_USB3_PIPE_CLK>;
>  		};
>  
>  		ipcc: mailbox@...000 {
> @@ -1924,6 +1925,95 @@ opp-202000000 {
>  			};
>  		};
>  
> +		usb_1_hsphy: phy@...3000 {
> +			compatible = "qcom,sm8550-snps-eusb2-phy";
> +			reg = <0x0 0x088e3000 0x0 0x154>;
> +			#phy-cells = <0>;
> +
> +			clocks = <&tcsr TCSR_USB2_CLKREF_EN>;
> +			clock-names = "ref";
> +
> +			resets = <&gcc GCC_QUSB2PHY_PRIM_BCR>;
> +
> +			status = "disabled";
> +		};
> +
> +		usb_dp_qmpphy: phy@...8000 {
> +			compatible = "qcom,sm8550-qmp-usb3-dp-phy";
> +			reg = <0x0 0x088e8000 0x0 0x3000>;
> +
> +			clocks = <&gcc GCC_USB3_PRIM_PHY_AUX_CLK>,
> +				 <&rpmhcc RPMH_CXO_CLK>,
> +				 <&gcc GCC_USB3_PRIM_PHY_COM_AUX_CLK>,
> +				 <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>;
> +			clock-names = "aux", "ref", "com_aux", "usb3_pipe";
> +
> +			power-domains = <&gcc USB3_PHY_GDSC>;
> +
> +			resets = <&gcc GCC_USB3_DP_PHY_PRIM_BCR>,
> +				 <&gcc GCC_USB3_PHY_PRIM_BCR>;
> +			reset-names = "phy", "common";
> +
> +			#clock-cells = <1>;
> +			#phy-cells = <1>;
> +
> +			status = "disabled";
> +		};
> +
> +		usb_1: usb@...8800 {
> +			compatible = "qcom,sm8550-dwc3", "qcom,dwc3";
> +			reg = <0x0 0x0a6f8800 0x0 0x400>;
> +			#address-cells = <2>;
> +			#size-cells = <2>;
> +			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_SLEEP_CLK>,
> +				 <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
> +				 <&rpmhcc TCSR_USB3_CLKREF_EN>;
> +			clock-names = "cfg_noc",
> +				      "core",
> +				      "iface",
> +				      "sleep",
> +				      "mock_utmi",
> +				      "xo";
> +
> +			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 130 IRQ_TYPE_LEVEL_HIGH>,
> +					      <&pdc 17 IRQ_TYPE_LEVEL_HIGH>,
> +					      <&pdc 15 IRQ_TYPE_EDGE_RISING>,
> +					      <&pdc 14 IRQ_TYPE_EDGE_RISING>;
> +			interrupt-names = "hs_phy_irq",
> +					  "ss_phy_irq",
> +					  "dm_hs_phy_irq",
> +					  "dp_hs_phy_irq";
> +
> +			power-domains = <&gcc USB30_PRIM_GDSC>;
> +			required-opps = <&rpmhpd_opp_nom>;

This part was merged but it is not correct without [1]. Are we going to
revive [1] or should we drop it?

[1] https://lore.kernel.org/all/YXcBK7zqny0s4gd4@ripper/

Best regards,
Krzysztof