linux-kernel - Re: [PATCH 6/7] arm64: dts: qcom: sm8550-mtp: add pmic glink node

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Date:   Mon, 30 Jan 2023 11:59:44 +0100
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...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 6/7] arm64: dts: qcom: sm8550-mtp: add pmic glink node

On 30/01/2023 11:41, Konrad Dybcio wrote:
> 
> 
> 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>
>> ---
>>   arch/arm64/boot/dts/qcom/sm8550-mtp.dts | 34 ++++++++++++++++++++++++++++++++-
>>   1 file changed, 33 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
>> index 725d3bc3ee72..f054c11fe1f6 100644
>> --- a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
>> +++ b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
>> @@ -27,6 +27,31 @@ chosen {
>>   		stdout-path = "serial0:115200n8";
>>   	};
>>   
>> +	pmic-glink {
>> +		compatible = "qcom,sm8450-pmic-glink",
> 8550?
> 
> Otherwise same comments as for the previous patch

Oops bad copy-pasta even if it still works...

Thanks,
Neil

> 
> Konrad
> "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_dwc3_in: endpoint {
>> +						remote-endpoint = <&usb_1_dwc3_out>;
>> +					};
>> +				};
>> +			};
>> +		};
>> +	};
>> +
>>   	vph_pwr: vph-pwr-regulator {
>>   		compatible = "regulator-fixed";
>>   		regulator-name = "vph_pwr";
>> @@ -546,7 +571,14 @@ &usb_1 {
>>   };
>>   
>>   &usb_1_dwc3 {
>> -	dr_mode = "peripheral";
>> +	dr_mode = "otg";
>> +	usb-role-switch;
>> +
>> +	port {
>> +		usb_1_dwc3_out: endpoint {
>> +		      remote-endpoint = <&pmic_glink_dwc3_in>;
>> +	      };
>> +	};
>>   };
>>   
>>   &usb_1_hsphy {
>>