[PATCH v3 3/3] arm64: dts: qcom: Add refgen supplies for PCIe PHY on Glymur and Mahua boards

Qiang Yu qiang.yu at oss.qualcomm.com
Tue Oct 13 03:16:47 PDT 2026


The PCIe PHYs on Glymur and Mahua require a reference voltage provided by
REFGEN, which in turn is powered by two LDOs.

Since there is no devicetree node for REFGEN, add the vdda-refgen0p9 and
vdda-refgen1p2 supplies for each PCIe PHY node.

Signed-off-by: Qiang Yu <qiang.yu at oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/glymur-asus-zenbook-a14-ux3407na.dts    | 2 ++
 arch/arm64/boot/dts/qcom/glymur-asus-zenbook-a16-ux3607oa.dts    | 4 ++++
 arch/arm64/boot/dts/qcom/glymur-crd.dtsi                         | 6 ++++++
 arch/arm64/boot/dts/qcom/glymur-hp-elitebook-x-g2q.dts           | 4 ++++
 arch/arm64/boot/dts/qcom/glymur-lenovo-yoga-slim7x.dts           | 6 ++++++
 arch/arm64/boot/dts/qcom/glymur-qcb.dts                          | 6 ++++++
 arch/arm64/boot/dts/qcom/mahua-crd.dts                           | 2 ++
 arch/arm64/boot/dts/qcom/mahua-lenovo-thinkpad-t14s-gen7-lcd.dts | 6 ++++++
 8 files changed, 36 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/glymur-asus-zenbook-a14-ux3407na.dts b/arch/arm64/boot/dts/qcom/glymur-asus-zenbook-a14-ux3407na.dts
index e96e65a0c5b4..d1746845a609 100644
--- a/arch/arm64/boot/dts/qcom/glymur-asus-zenbook-a14-ux3407na.dts
+++ b/arch/arm64/boot/dts/qcom/glymur-asus-zenbook-a14-ux3407na.dts
@@ -735,6 +735,8 @@ &pcie4 {
 &pcie4_phy {
 	vdda-phy-supply = <&vreg_l1c1>;
 	vdda-pll-supply = <&vreg_l4f1>;
+	vdda-refgen0p9-supply = <&vreg_l1c1>;
+	vdda-refgen1p2-supply = <&vreg_l4f1>;
 
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/qcom/glymur-asus-zenbook-a16-ux3607oa.dts b/arch/arm64/boot/dts/qcom/glymur-asus-zenbook-a16-ux3607oa.dts
index 95da35125d75..bf3c828c8a0b 100644
--- a/arch/arm64/boot/dts/qcom/glymur-asus-zenbook-a16-ux3607oa.dts
+++ b/arch/arm64/boot/dts/qcom/glymur-asus-zenbook-a16-ux3607oa.dts
@@ -818,6 +818,8 @@ &pcie4 {
 &pcie4_phy {
 	vdda-phy-supply = <&vreg_l1c_e1>;
 	vdda-pll-supply = <&vreg_l4f_e1>;
+	vdda-refgen0p9-supply = <&vreg_l1c_e1>;
+	vdda-refgen1p2-supply = <&vreg_l4f_e1>;
 
 	status = "okay";
 };
@@ -843,6 +845,8 @@ &pcie5 {
 &pcie5_phy {
 	vdda-phy-supply = <&vreg_l2f_e0>;
 	vdda-pll-supply = <&vreg_l4c_e0>;
+	vdda-refgen0p9-supply = <&vreg_l2f_e0>;
+	vdda-refgen1p2-supply = <&vreg_l4c_e0>;
 
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/qcom/glymur-crd.dtsi b/arch/arm64/boot/dts/qcom/glymur-crd.dtsi
index 58158b51fe29..b3f876956e7e 100644
--- a/arch/arm64/boot/dts/qcom/glymur-crd.dtsi
+++ b/arch/arm64/boot/dts/qcom/glymur-crd.dtsi
@@ -764,6 +764,8 @@ &pcie4 {
 &pcie4_phy {
 	vdda-phy-supply = <&vreg_l1c_e1_0p82>;
 	vdda-pll-supply = <&vreg_l4f_e1_1p08>;
+	vdda-refgen0p9-supply = <&vreg_l1c_e1_0p82>;
+	vdda-refgen1p2-supply = <&vreg_l4f_e1_1p08>;
 
 	status = "okay";
 };
@@ -800,6 +802,8 @@ &pcie5 {
 &pcie5_phy {
 	vdda-phy-supply = <&vreg_l2f_e0_0p82>;
 	vdda-pll-supply = <&vreg_l4h_e0_1p2>;
+	vdda-refgen0p9-supply = <&vreg_l2f_e0_0p82>;
+	vdda-refgen1p2-supply = <&vreg_l4h_e0_1p2>;
 
 	status = "okay";
 };
@@ -821,6 +825,8 @@ &pcie6 {
 &pcie6_phy {
 	vdda-phy-supply = <&vreg_l1c_e1_0p82>;
 	vdda-pll-supply = <&vreg_l4f_e1_1p08>;
+	vdda-refgen0p9-supply = <&vreg_l1c_e1_0p82>;
+	vdda-refgen1p2-supply = <&vreg_l4f_e1_1p08>;
 
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/qcom/glymur-hp-elitebook-x-g2q.dts b/arch/arm64/boot/dts/qcom/glymur-hp-elitebook-x-g2q.dts
index 096d40e49210..7f79470ec004 100644
--- a/arch/arm64/boot/dts/qcom/glymur-hp-elitebook-x-g2q.dts
+++ b/arch/arm64/boot/dts/qcom/glymur-hp-elitebook-x-g2q.dts
@@ -545,6 +545,8 @@ &pcie4 {
 &pcie4_phy {
 	vdda-phy-supply = <&vreg_l1c_e1_0p91>;
 	vdda-pll-supply = <&vreg_l4f_e1_1p2>;
+	vdda-refgen0p9-supply = <&vreg_l1c_e1_0p91>;
+	vdda-refgen1p2-supply = <&vreg_l4f_e1_1p2>;
 
 	status = "okay";
 };
@@ -581,6 +583,8 @@ &pcie5 {
 &pcie5_phy {
 	vdda-phy-supply = <&vreg_l2f_e0_0p94>;
 	vdda-pll-supply = <&vreg_l4h_e0_1p2>;
+	vdda-refgen0p9-supply = <&vreg_l2f_e0_0p94>;
+	vdda-refgen1p2-supply = <&vreg_l4h_e0_1p2>;
 
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/qcom/glymur-lenovo-yoga-slim7x.dts b/arch/arm64/boot/dts/qcom/glymur-lenovo-yoga-slim7x.dts
index 769f195c99d9..130946ba9785 100644
--- a/arch/arm64/boot/dts/qcom/glymur-lenovo-yoga-slim7x.dts
+++ b/arch/arm64/boot/dts/qcom/glymur-lenovo-yoga-slim7x.dts
@@ -743,6 +743,8 @@ &pcie4 {
 &pcie4_phy {
 	vdda-phy-supply = <&vreg_l1c_e1>;
 	vdda-pll-supply = <&vreg_l4f_e1>;
+	vdda-refgen0p9-supply = <&vreg_l1c_e1>;
+	vdda-refgen1p2-supply = <&vreg_l4f_e1>;
 
 	status = "okay";
 };
@@ -779,6 +781,8 @@ &pcie5 {
 &pcie5_phy {
 	vdda-phy-supply = <&vreg_l2f_e0>;
 	vdda-pll-supply = <&vreg_l4h_e0>;
+	vdda-refgen0p9-supply = <&vreg_l2f_e0>;
+	vdda-refgen1p2-supply = <&vreg_l4h_e0>;
 
 	status = "okay";
 };
@@ -800,6 +804,8 @@ &pcie6 {
 &pcie6_phy {
 	vdda-phy-supply = <&vreg_l1c_e1>;
 	vdda-pll-supply = <&vreg_l4f_e1>;
+	vdda-refgen0p9-supply = <&vreg_l1c_e1>;
+	vdda-refgen1p2-supply = <&vreg_l4f_e1>;
 
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/qcom/glymur-qcb.dts b/arch/arm64/boot/dts/qcom/glymur-qcb.dts
index 17d8ff3aed23..f26bdc1cd84a 100644
--- a/arch/arm64/boot/dts/qcom/glymur-qcb.dts
+++ b/arch/arm64/boot/dts/qcom/glymur-qcb.dts
@@ -448,6 +448,8 @@ &pcie4 {
 &pcie4_phy {
 	vdda-phy-supply = <&vreg_l1c_e1_0p82>;
 	vdda-pll-supply = <&vreg_l4f_e1_1p08>;
+	vdda-refgen0p9-supply = <&vreg_l1c_e1_0p82>;
+	vdda-refgen1p2-supply = <&vreg_l4f_e1_1p08>;
 
 	status = "okay";
 };
@@ -484,6 +486,8 @@ &pcie5 {
 &pcie5_phy {
 	vdda-phy-supply = <&vreg_l2f_e0_0p82>;
 	vdda-pll-supply = <&vreg_l4h_e0_1p2>;
+	vdda-refgen0p9-supply = <&vreg_l2f_e0_0p82>;
+	vdda-refgen1p2-supply = <&vreg_l4h_e0_1p2>;
 
 	status = "okay";
 };
@@ -505,6 +509,8 @@ &pcie6 {
 &pcie6_phy {
 	vdda-phy-supply = <&vreg_l1c_e1_0p82>;
 	vdda-pll-supply = <&vreg_l4f_e1_1p08>;
+	vdda-refgen0p9-supply = <&vreg_l1c_e1_0p82>;
+	vdda-refgen1p2-supply = <&vreg_l4f_e1_1p08>;
 
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/qcom/mahua-crd.dts b/arch/arm64/boot/dts/qcom/mahua-crd.dts
index 17e40f2a6259..45c95543fff8 100644
--- a/arch/arm64/boot/dts/qcom/mahua-crd.dts
+++ b/arch/arm64/boot/dts/qcom/mahua-crd.dts
@@ -23,6 +23,8 @@ / {
 &pcie3b_phy {
 	vdda-phy-supply = <&vreg_l3c_e1_0p89>;
 	vdda-pll-supply = <&vreg_l2c_e1_1p14>;
+	vdda-refgen0p9-supply = <&vreg_l1c_e1_0p82>;
+	vdda-refgen1p2-supply = <&vreg_l4f_e1_1p08>;
 };
 
 &tcsr {
diff --git a/arch/arm64/boot/dts/qcom/mahua-lenovo-thinkpad-t14s-gen7-lcd.dts b/arch/arm64/boot/dts/qcom/mahua-lenovo-thinkpad-t14s-gen7-lcd.dts
index 26d6d8285e04..ac7e1382166d 100644
--- a/arch/arm64/boot/dts/qcom/mahua-lenovo-thinkpad-t14s-gen7-lcd.dts
+++ b/arch/arm64/boot/dts/qcom/mahua-lenovo-thinkpad-t14s-gen7-lcd.dts
@@ -813,6 +813,8 @@ &pcie4 {
 &pcie4_phy {
 	vdda-phy-supply = <&vreg_l1c_e1_0p82>;
 	vdda-pll-supply = <&vreg_l4f_e1_1p2>;
+	vdda-refgen0p9-supply = <&vreg_l1c_e1_0p82>;
+	vdda-refgen1p2-supply = <&vreg_l4f_e1_1p2>;
 
 	status = "okay";
 };
@@ -850,6 +852,8 @@ &pcie5 {
 &pcie5_phy {
 	vdda-phy-supply = <&vreg_l2f_e0_0p94>;
 	vdda-pll-supply = <&vreg_l4h_e0_1p2>;
+	vdda-refgen0p9-supply = <&vreg_l2f_e0_0p94>;
+	vdda-refgen1p2-supply = <&vreg_l4h_e0_1p2>;
 
 	status = "okay";
 };
@@ -872,6 +876,8 @@ &pcie6 {
 &pcie6_phy {
 	vdda-phy-supply = <&vreg_l1c_e1_0p82>;
 	vdda-pll-supply = <&vreg_l4f_e1_1p2>;
+	vdda-refgen0p9-supply = <&vreg_l1c_e1_0p82>;
+	vdda-refgen1p2-supply = <&vreg_l4f_e1_1p2>;
 
 	status = "okay";
 };

-- 
2.34.1




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