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

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Date: Tue, 12 Mar 2024 01:04:00 +0100
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
 Komal Bajaj <quic_kbajaj@...cinc.com>
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 3/11/24 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?
> 
>> +       maximum-speed = "high-speed";

More importantly, are these ports really HS-only?

Konrad