[PATCH 28/28] arm64: dts: qcom: talos-evk: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies

From: Manivannan Sadhasivam via B4 Relay

Date: Mon Aug 03 2026 - 02:42:46 EST


From: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxxxxxxxx>

The QMP PHY expects the vdda-phy supply to be around 0.88V and the
vdda-pll supply to be 1.2V. But these two supplies are swapped for the
USB QMP PHY on this board, feeding 1.2V to vdda-phy and 0.9V to
vdda-pll.

Fix it by swapping the two supplies back.

Fixes: 0f9e6db8a223 ("arm64: dts: qcom: talos-evk: Add support for QCS615 talos evk board")
Reported-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
Assisted-by: Claude:opus-4-8
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/talos-evk-som.dtsi | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/talos-evk-som.dtsi b/arch/arm64/boot/dts/qcom/talos-evk-som.dtsi
index 294354c034c3..6469c6fa9f63 100644
--- a/arch/arm64/boot/dts/qcom/talos-evk-som.dtsi
+++ b/arch/arm64/boot/dts/qcom/talos-evk-som.dtsi
@@ -589,8 +589,8 @@ &usb_qmpphy {
};

&usb_qmpphy_2 {
- vdda-phy-supply = <&vreg_l11a>;
- vdda-pll-supply = <&vreg_l5a>;
+ vdda-phy-supply = <&vreg_l5a>;
+ vdda-pll-supply = <&vreg_l11a>;

status = "okay";
};

--
2.43.0