linux-kernel - Re: [PATCH v4 7/8] arm64: dts: qcom: sm8550: Add USB PHYs and controller nodes

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Message-ID: <Y9zoD/eVG8zjMYNx@hovoldconsulting.com>
Date:   Fri, 3 Feb 2023 11:55:11 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Abel Vesa <abel.vesa@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        "vkoul@...nel.org" <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 7/8] arm64: dts: qcom: sm8550: Add USB PHYs and
 controller nodes

On Thu, Feb 02, 2023 at 03:25:10PM +0200, Abel Vesa wrote:
> Add USB host controller and PHY nodes.
> 
> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> ---
> 
> Changes since v3:
>  * none
> 
> Changes since v2:
>  * none
> 
> 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.

I believe it was because of the 'phy' and 'common' resets, which have
been switched below.

>  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 a85d2ae7d155..0262193e2ffe 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> @@ -14,6 +14,7 @@
>  #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>
>  
>  / {
> @@ -746,7 +747,7 @@ 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 {
> @@ -2060,6 +2061,95 @@ 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";
> +		};

Johan