[PATCH v2 1/3] ARM: dts: stm32: fix vdda supply for onboard hub on stm32mp15 DK boards
From: Fabrice Gasnier
Date: Fri Aug 21 2026 - 11:00:13 EST
stm32mp15 DK boards use Microchip USB2514 HUB. Since vdda supply has been
added, the regulator framework wrongly associates the 'vdda' supply
dedicated to ADC, so the wrong regulator is referenced.
Only the 3v3 regulator is used to supply both the digital and the analog
part of the HUB.
Fixes: 673655f7944f ("usb: misc: onboard_dev: add vdda support for Microchip USB2514")
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@xxxxxxxxxxx>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxxxxxxx>
---
Changes in v2:
- Overwrite vdda-supply in stm32mp157f-dk2-scmi, as pointed by Sashiko
---
arch/arm/boot/dts/st/stm32mp157f-dk2-scmi.dtsi | 1 +
arch/arm/boot/dts/st/stm32mp15xx-dkx.dtsi | 1 +
2 files changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/st/stm32mp157f-dk2-scmi.dtsi b/arch/arm/boot/dts/st/stm32mp157f-dk2-scmi.dtsi
index 89de85a2eff3..172347769e02 100644
--- a/arch/arm/boot/dts/st/stm32mp157f-dk2-scmi.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp157f-dk2-scmi.dtsi
@@ -180,6 +180,7 @@ &sdmmc3 {
&usbh_ehci {
hub@1 {
vdd-supply = <&scmi_v3v3>;
+ vdda-supply = <&scmi_v3v3>;
};
};
diff --git a/arch/arm/boot/dts/st/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/st/stm32mp15xx-dkx.dtsi
index 599ea07bdb19..01ac3d7d6d0e 100644
--- a/arch/arm/boot/dts/st/stm32mp15xx-dkx.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp15xx-dkx.dtsi
@@ -764,6 +764,7 @@ hub@1 {
compatible = "usb424,2514";
reg = <1>;
vdd-supply = <&v3v3>;
+ vdda-supply = <&v3v3>;
};
};
--
2.43.0