Re: [PATCH 24/28] arm64: dts: qcom: glymur: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
Abel Vesa <[email protected]> Tue, 4 Aug 2026 14:51:21 +0300
| Newsgroups | org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <n3lu4rlwjzymwhdrnyrptsmz3uqemevgzhn7fsmo3nxaqtsgda@dkpqvwtnmlof> |
On 26-08-03 08:34:22, Manivannan Sadhasivam via B4 Relay wrote: > From: Manivannan Sadhasivam <[email protected]> > > The QMP PHY expects the vdda-phy supply to be the lower voltage (~0.8V) > and the vdda-pll supply to be the higher voltage (~1.2V), as used by the > DisplayPort QMP PHY on this SoC. But these two supplies are swapped for > the USB QMP PHYs on this board, feeding 1.2V to vdda-phy and 0.72V/0.83V > to vdda-pll. > > Fix it by swapping the two supplies back. > > Fixes: c8b63029455b ("arm64: dts: qcom: glymur-crd: Enable USB support") > Reported-by: Konrad Dybcio <[email protected]> > Assisted-by: Claude:opus-4-8 > Signed-off-by: Manivannan Sadhasivam <[email protected]> Reviewed-by: Abel Vesa <[email protected]>