linux-kernel - Re: [PATCH 2/3] arm64: dts: qcom: qdu1000-idp: enable USB nodes

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Date: Tue, 19 Mar 2024 14:04:33 +0530
From: Komal Bajaj <quic_kbajaj@...cinc.com>
To: Konrad Dybcio <konrad.dybcio@...aro.org>,
        Dmitry Baryshkov
	<dmitry.baryshkov@...aro.org>
CC: Bjorn Andersson <andersson@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley
	<conor+dt@...nel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Amrit Anand
	<quic_amrianan@...cinc.com>
Subject: Re: [PATCH 2/3] arm64: dts: qcom: qdu1000-idp: enable USB nodes



On 3/12/2024 5:34 AM, Konrad Dybcio wrote:
> 
> 
> On 3/11/24 13:14, Dmitry Baryshkov wrote:
>> On Mon, 11 Mar 2024 at 14:10, Komal Bajaj <quic_kbajaj@...cinc.com> 
>> wrote:
>>>
>>> Enable both USB controllers and associated hsphy and qmp phy nodes
>>> on QDU1000 IDP.
>>>
>>> Co-developed-by: Amrit Anand <quic_amrianan@...cinc.com>
>>> Signed-off-by: Amrit Anand <quic_amrianan@...cinc.com>
>>> Signed-off-by: Komal Bajaj <quic_kbajaj@...cinc.com>
>>> ---
>>>   arch/arm64/boot/dts/qcom/qdu1000-idp.dts | 24 ++++++++++++++++++++++++
>>>   1 file changed, 24 insertions(+)
>>>
>>> diff --git a/arch/arm64/boot/dts/qcom/qdu1000-idp.dts 
>>> b/arch/arm64/boot/dts/qcom/qdu1000-idp.dts
>>> index 89b84fb0f70a..126bc71afd90 100644
>>> --- a/arch/arm64/boot/dts/qcom/qdu1000-idp.dts
>>> +++ b/arch/arm64/boot/dts/qcom/qdu1000-idp.dts
>>> @@ -500,3 +500,27 @@ &tlmm {
>>>   &uart7 {
>>>          status = "okay";
>>>   };
>>> +
>>> +&usb_1 {
>>> +       status = "okay";
>>> +};
>>> +
>>> +&usb_1_dwc3 {
>>> +       dr_mode = "peripheral";
>>
>> Are these ports really peripheral-only?

This was done for testing. Will add the usb-role-switch role.

>>
>>> +       maximum-speed = "high-speed";
> 
> More importantly, are these ports really HS-only?

Apologies for this, added it for testing purpose only, forgot to remove it.
Will remove it.

Thanks
Komal

> 
> Konrad