[PATCH 1/2] arm64: dts: freescale: imx93-phyboard-nash: Add USB vbus regulators
Primoz Fiser
primoz.fiser at norik.com
Tue Sep 16 01:06:34 PDT 2025
Add USB vbus regulators to silence the following kernel warnings:
usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests (id=vbus)
usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests (id=vbus)
Because generic USB PHY driver requires exclusive vbus regulators since
commit 75fd6485ccce ("usb: phy: generic: Get the vbus supply").
Signed-off-by: Primoz Fiser <primoz.fiser at norik.com>
---
.../dts/freescale/imx93-phyboard-nash.dts | 24 +++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx93-phyboard-nash.dts b/arch/arm64/boot/dts/freescale/imx93-phyboard-nash.dts
index 5599e296919f..9e875e082ee8 100644
--- a/arch/arm64/boot/dts/freescale/imx93-phyboard-nash.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-phyboard-nash.dts
@@ -71,6 +71,22 @@ iio-hwmon {
io-channels = <&curr_sens 0>;
};
+ reg_usb1_vbus: regulator-usb1-vbus {
+ compatible = "regulator-fixed";
+ regulator-name = "USB1_VBUS";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ };
+
+ reg_usb2_vbus: regulator-usb2-vbus {
+ compatible = "regulator-fixed";
+ regulator-name = "USB2_VBUS";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ };
+
reg_usdhc2_vmmc: regulator-usdhc2 {
compatible = "regulator-fixed";
gpio = <&gpio3 7 GPIO_ACTIVE_HIGH>;
@@ -187,6 +203,14 @@ &lpuart7 {
};
/* USB */
+&usbphynop1 {
+ vbus-supply = <®_usb1_vbus>;
+};
+
+&usbphynop2 {
+ vbus-supply = <®_usb2_vbus>;
+};
+
&usbotg1 {
disable-over-current;
dr_mode = "otg";
--
2.34.1
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