Message-ID: <e03d5698-65d2-41ae-3095-9ab374cb6b77@linaro.org>
Date:   Fri, 10 Feb 2023 17:44:30 +0200
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Subject: Re: [PATCH v2 08/11] arm64: dts: qcom: sm8350-hdk: add pmic glink
 node
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To:     Neil Armstrong <neil.armstrong@linaro.org>,
        Heikki Krogerus <heikki.krogerus@linux.intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>
Cc:     linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org
References: <20230130-topic-sm8450-upstream-pmic-glink-v2-0-71fea256474f@linaro.org>
 <20230130-topic-sm8450-upstream-pmic-glink-v2-8-71fea256474f@linaro.org>
From:   Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
In-Reply-To: <20230130-topic-sm8450-upstream-pmic-glink-v2-8-71fea256474f@linaro.org>
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Precedence: bulk

On 10/02/2023 17:02, Neil Armstrong wrote:
> Add the pmic glink node linked with the DWC3 USB controller
> switched to OTG mode and tagged with usb-role-switch.
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
> ---
>   arch/arm64/boot/dts/qcom/sm8350-hdk.dts | 77 ++++++++++++++++++++++++++++-----
>   1 file changed, 65 insertions(+), 12 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8350-hdk.dts b/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
> index 54654eb75c28..28fc9a835c5d 100644
> --- a/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
> @@ -31,6 +31,40 @@ hdmi_con: endpoint {
>   		};
>   	};
>   
> +	pmic-glink {
> +		compatible = "qcom,sm8350-pmic-glink", "qcom,pmic-glink";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		connector@0 {
> +			compatible = "usb-c-connector";
> +			reg = <0>;
> +			power-role = "dual";
> +			data-role = "dual";
> +
> +			ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				port@0 {
> +					reg = <0>;
> +
> +					pmic_glink_hs_in: endpoint {
> +						remote-endpoint = <&usb_1_dwc3_hs>;
> +					};
> +				};
> +
> +				port@1 {
> +					reg = <1>;
> +
> +					pmic_glink_ss_in: endpoint {
> +						remote-endpoint = <&usb_1_dwc3_ss>;
> +					};
> +				};
> +			};
> +		};
> +	};
> +
>   	vph_pwr: vph-pwr-regulator {
>   		compatible = "regulator-fixed";
>   		regulator-name = "vph_pwr";
> @@ -666,23 +700,42 @@ &usb_1 {
>   };
>   
>   &usb_1_dwc3 {
> -	/* TODO: Define USB-C connector properly */
> -	dr_mode = "peripheral";
> -};
> +	dr_mode = "otg";

I could not verify UCSI / OTG on sm8350-HDK, see the GET_PDOS issue.
Unless it is fixed, I suggest fixing this to "host" to get DP to work.

> +	usb-role-switch;
>   
> -&usb_1_hsphy {
> -	status = "okay";
> +	ports {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
>   
> -	vdda-pll-supply = <&vreg_l5b_0p88>;
> -	vdda18-supply = <&vreg_l1c_1p8>;
> -	vdda33-supply = <&vreg_l2b_3p07>;
> +		port@0 {
> +			reg = <0>;
> +
> +			usb_1_dwc3_hs: endpoint {
> +				remote-endpoint = <&pmic_glink_hs_in>;
> +			};
> +		};
> +
> +		port@1 {
> +			reg = <1>;
> +
> +			usb_1_dwc3_ss: endpoint {
> +				remote-endpoint = <&pmic_glink_ss_in>;
> +			};
> +		};
> +	};
>   };
>   
> -&usb_1_qmpphy {
> -	status = "okay";
> +&usb_1_dwc3 {
> +	dr_mode = "otg";
> +	usb-role-switch;
> +};

Duplicate

>   
> -	vdda-phy-supply = <&vreg_l6b_1p2>;
> -	vdda-pll-supply = <&vreg_l1b_0p88>;
> +&usb_1_dwc3_hs {
> +	remote-endpoint = <&pmic_glink_hs_in>;
> +};
> +
> +&usb_1_dwc3_ss {
> +	remote-endpoint = <&pmic_glink_ss_in>;
>   };
>   
>   &usb_2 {
> 

-- 
With best wishes
Dmitry