linux-kernel - Re: [PATCH 5/7] arm64: dts: qcom: sm8450-hdk: add pmic glink node

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Date:   Mon, 30 Jan 2023 11:40:27 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Neil Armstrong <neil.armstrong@...aro.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 5/7] arm64: dts: qcom: sm8450-hdk: add pmic glink node



On 30.01.2023 10:54, 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@...aro.org>
Missing commit message

> ---
>  arch/arm64/boot/dts/qcom/sm8450-hdk.dts | 34 ++++++++++++++++++++++++++++++++-
>  1 file changed, 33 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8450-hdk.dts b/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
> index 5bdc2c1159ae..5ab12c911bfe 100644
> --- a/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
> @@ -87,6 +87,31 @@ lt9611_3v3: lt9611-3v3-regulator {
>  		enable-active-high;
>  	};
>  
> +	pmic-glink {
> +		compatible = "qcom,sm8450-pmic-glink", "qcom,pmic-glink";
> +
You could remove this newline
> +		#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>;
And add one here

> +				port@0 {
> +					reg = <0>;
And here

> +					pmic_glink_dwc3_in: endpoint {
> +						remote-endpoint = <&usb_1_dwc3_out>;
> +					};
> +				};
> +			};
> +		};
> +	};
> +
>  	vph_pwr: vph-pwr-regulator {
>  		compatible = "regulator-fixed";
>  		regulator-name = "vph_pwr";
> @@ -724,7 +749,14 @@ &usb_1 {
>  };
>  
>  &usb_1_dwc3 {
> -	dr_mode = "peripheral";
> +	dr_mode = "otg";
> +	usb-role-switch;
> +
> +	port {
Hm, maybe this could be moved to 8450 dtsi?

Konrad
> +		usb_1_dwc3_out: endpoint {
> +		      remote-endpoint = <&pmic_glink_dwc3_in>;
> +	      };
> +	};
>  };
>  
>  &usb_1_hsphy {
>