Re: [PATCH 3/3] arm64: dts: qcom: eliza-mtp: Enable USB and ADSP support

[Konrad Dybcio]

On 4/13/26 9:52 AM, Alexander Koskovich wrote:
> On Tue, Mar 31, 2026 at 01:37:24PM +0300, Abel Vesa wrote:
>> The Eliza MTP features a single USB Type-C port. Its USB 2.0 lines are
>> routed through an eUSB2 repeater provided by the PM7750BA PMIC.
>>
>> Describe the port and repeater, and enable the USB controller and PHYs.
>>
>> Also specify the ADSP firmware and enable the remoteproc.
>>
>> Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>
>> ---
>>  arch/arm64/boot/dts/qcom/eliza-mtp.dts | 83 ++++++++++++++++++++++++++++++++++
>>  1 file changed, 83 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/eliza-mtp.dts b/arch/arm64/boot/dts/qcom/eliza-mtp.dts
>> index 90f629800cb0..c31f00e36eee 100644
>> --- a/arch/arm64/boot/dts/qcom/eliza-mtp.dts
>> +++ b/arch/arm64/boot/dts/qcom/eliza-mtp.dts
>> @@ -6,9 +6,12 @@
>>  /dts-v1/;
> ...
>>  
>> +&usb_hsphy {
>> +	vdd-supply = <&vreg_l2b>;
> 
> Shouldn't this be l7k? Looking at kera-usb.dtsi I see the vdd-supply for
> eusb2_phy0 as l7k. I don't see this being overriden by anything else
> downstream either.
> 
> Just bringing it up since I copied this part for another Eliza platform
> (USB 2 only) and USB failed until I fixed this supply.

Looking at some diagrams, L7K seems to be the right one indeed

Konrad