[PATCH 2/3] arm64: tegra: Add regulator for Jetson AGX Thor system EEPROM
From: Jon Hunter
Date: Fri Nov 06 2026 - 07:08:56 EST
Add the 1.8V regulator that supplies the EEPROM on the Jetson AGX Thor
carrier board to fix the following warning:
WARNING KERN at24 1-0056: supply vcc not found, using dummy regulator
Fixes: 6285ff371e83 ("arm64: tegra: Add NVIDIA Jetson AGX Thor system EEPROM")
Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra264-p4071-0000+p3834.dtsi | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra264-p4071-0000+p3834.dtsi b/arch/arm64/boot/dts/nvidia/tegra264-p4071-0000+p3834.dtsi
index 0ed2335ea91f..8b9108634ace 100644
--- a/arch/arm64/boot/dts/nvidia/tegra264-p4071-0000+p3834.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra264-p4071-0000+p3834.dtsi
@@ -29,6 +29,7 @@ eeprom@56 {
compatible = "atmel,24c02";
reg = <0x56>;
label = "system";
+ vcc-supply = <&vdd_1v8_sys>;
address-width = <8>;
pagesize = <8>;
size = <256>;
@@ -64,6 +65,14 @@ key-power {
};
};
+ vdd_1v8_sys: regulator-vdd-1v8-sys {
+ compatible = "regulator-fixed";
+ regulator-name = "VDD_1V8_SYS";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
vdd_5v0_sys: regulator-vdd-5v0-sys {
compatible = "regulator-fixed";
regulator-name = "VIN_SYS_5V0";
--
2.43.0