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Message-ID: <5ee7579c-7190-fb0f-0202-297aa0f7fc08@quicinc.com>
Date:   Sat, 24 Jun 2023 12:41:34 +0530
From:   Krishna Kurapati PSSNV <quic_kriskura@...cinc.com>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Andy Gross <agross@...nel.org>,
        "Bjorn Andersson" <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
        Felipe Balbi <balbi@...nel.org>,
        Wesley Cheng <quic_wcheng@...cinc.com>,
        Johan Hovold <johan@...nel.org>
CC:     <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <quic_pkondeti@...cinc.com>, <quic_ppratap@...cinc.com>,
        <quic_jackp@...cinc.com>, <quic_harshq@...cinc.com>,
        <ahalaney@...hat.com>, <quic_shazhuss@...cinc.com>
Subject: Re: [PATCH v9 10/10] arm64: dts: qcom: sa8540-ride: Enable first port
 of tertiary usb controller



On 6/24/2023 4:12 AM, Konrad Dybcio wrote:
> On 21.06.2023 06:36, Krishna Kurapati wrote:
>> There is now support for the multiport USB controller this uses so
>> enable it.
>>
>> The board only has a single port hooked up (despite it being wired up to
>> the multiport IP on the SoC). There's also a USB 2.0 mux hooked up,
>> which by default on boot is selected to mux properly. Grab the gpio
>> controlling that and ensure it stays in the right position so USB 2.0
>> continues to be routed from the external port to the SoC.
>>
>> Signed-off-by: Andrew Halaney <ahalaney@...hat.com>
>> [Krishna: Rebased on top of usb-next]
> If that's your only change to this patch, you should have kept the
> Author: field unchanged.
> 
Sure, will do reset-author and resubmit the patch next version.

>> Signed-off-by: Krishna Kurapati <quic_kriskura@...cinc.com>
>> ---
> Same comments as patch 9
> 
> Konrad

Thanks for the review.

Regards,
Krishna,
>>   arch/arm64/boot/dts/qcom/sa8540p-ride.dts | 22 ++++++++++++++++++++++
>>   1 file changed, 22 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sa8540p-ride.dts b/arch/arm64/boot/dts/qcom/sa8540p-ride.dts
>> index 24fa449d48a6..53d47593306e 100644
>> --- a/arch/arm64/boot/dts/qcom/sa8540p-ride.dts
>> +++ b/arch/arm64/boot/dts/qcom/sa8540p-ride.dts
>> @@ -309,6 +309,19 @@ &usb_2_qmpphy0 {
>>   	status = "okay";
>>   };
>>   
>> +&usb_2 {
>> +	pinctrl-names = "default";
>> +	pinctrl-0 = <&usb2_en_state>;
>> +
>> +	status = "okay";
>> +};
>> +
>> +&usb_2_dwc3 {
>> +	dr_mode = "host";
>> +	phy-names = "usb2-port0", "usb3-port0";
>> +	phys = <&usb_2_hsphy0>, <&usb_2_qmpphy0>;
>> +};
>> +
>>   &xo_board_clk {
>>   	clock-frequency = <38400000>;
>>   };
>> @@ -401,4 +414,13 @@ wake-pins {
>>   			bias-pull-up;
>>   		};
>>   	};
>> +
>> +	usb2_en_state: usb2-en-state {
>> +		/* TS3USB221A USB2.0 mux select */
>> +		pins = "gpio24";
>> +		function = "gpio";
>> +		drive-strength = <2>;
>> +		bias-disable;
>> +		output-low;
>> +	};
>>   };

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