Re: [PATCH 3/3] arm64: dts: qcom: sm7125-samsung: add initial device tree

[Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>]

On 7/6/26 4:33 PM, Dmitry Baryshkov wrote:
> On Mon, Jul 06, 2026 at 03:38:42PM +0200, Konrad Dybcio wrote:
>> On 7/4/26 10:55 AM, Erikas Bitovtas wrote:
>>>>> +&usb_1_dwc3 {
>>>>> +	dr_mode = "peripheral";
>>>>> +	maximum-speed = "high-speed";
>>>>
>>>> Does super-speed not work (if you also remove the qcom,select... above)?
>>>>
>>>> Konrad
>>>
>>> I can make a file transfer over scp, but the speed is inconsistent and
>>> slower than with high-speed. Must be because this device does not
>>> support USB 3.0 (super-speed).
>>
>> I'm asking whether it enumerates as super-speed if you make the changes
>> I referred to and use a super-speed cable.
>>
>> Some devices wouldn't, because not all manufacturers connect the
>> necessary TX/RX lines on the Type-C port.
> 
> the GSM arena lists those phones as having USB 2.0 only.

This may be inconclusive.

Erikas, if either DP altmode works or you can see superspeed
enumeration (downstream kernel may disable that even if the hw
supports that), the wires are there

Konrad