[PATCH 09/28] arm64: dts: qcom: sm8450: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies

Manivannan Sadhasivam <[email protected]> Mon, 03 Aug 2026 08:34:07 +0200
Newsgroups org.kernel.feeds.b4-sent,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
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 PHYs on these boards, feeding 1.2V to vdda-phy and 0.91V to
vdda-pll.

Fix it by swapping the two supplies back.

Fixes: 067b2b3616cd ("arm64: dts: qcom: Add SM8450 HDK DTS")
Fixes: 27a0d0b846d9 ("arm64: dts: qcom: sm8450-qrd: Enable USB nodes")
Fixes: 1620676b85f1 ("arm64: dts: qcom: sm8450-nagara: Separate out Nagara platform dtsi")
Reported-by: Konrad Dybcio <[email protected]>
Assisted-by: Claude:opus-4-8
Signed-off-by: Manivannan Sadhasivam <[email protected]>
---
 arch/arm64/boot/dts/qcom/sm8450-hdk.dts                 | 4 ++--
 arch/arm64/boot/dts/qcom/sm8450-qrd.dts                 | 4 ++--
 arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara.dtsi | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8450-hdk.dts b/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
index b37998cd9a2c..4ade28f40cae 100644
--- a/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
+++ b/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
@@ -1214,8 +1214,8 @@ &usb_1_hsphy {
 &usb_1_qmpphy {
 	status = "okay";
 
-	vdda-phy-supply = <&vreg_l6b_1p2>;
-	vdda-pll-supply = <&vreg_l1b_0p91>;
+	vdda-phy-supply = <&vreg_l1b_0p91>;
+	vdda-pll-supply = <&vreg_l6b_1p2>;
 };
 
 &usb_1_qmpphy_out {
diff --git a/arch/arm64/boot/dts/qcom/sm8450-qrd.dts b/arch/arm64/boot/dts/qcom/sm8450-qrd.dts
index 56db5f79f59d..4993059483e9 100644
--- a/arch/arm64/boot/dts/qcom/sm8450-qrd.dts
+++ b/arch/arm64/boot/dts/qcom/sm8450-qrd.dts
@@ -527,8 +527,8 @@ &usb_1_hsphy {
 &usb_1_qmpphy {
 	status = "okay";
 
-	vdda-phy-supply = <&vreg_l6b_1p2>;
-	vdda-pll-supply = <&vreg_l1b_0p91>;
+	vdda-phy-supply = <&vreg_l1b_0p91>;
+	vdda-pll-supply = <&vreg_l6b_1p2>;
 };
 
 &usb_1_qmpphy_out {
diff --git a/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara.dtsi b/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara.dtsi
index 6bd315e10992..4fb5627d8126 100644
--- a/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara.dtsi
@@ -793,7 +793,7 @@ &usb_1_hsphy {
 };
 
 &usb_1_qmpphy {
-	vdda-phy-supply = <&pm8350_l6>;
-	vdda-pll-supply = <&pm8350_l1>;
+	vdda-phy-supply = <&pm8350_l1>;
+	vdda-pll-supply = <&pm8350_l6>;
 	status = "okay";
 };

-- 
2.43.0