[PATCH v1] arm: dts: imx8ulp: Update device tree to fix boot issue on i.MX8ULP EVK

alice.guo at oss.nxp.com alice.guo at oss.nxp.com
Mon Nov 17 10:44:49 CET 2025


From: Alice Guo <alice.guo at nxp.com>

Update imx8ulp-evk-u-boot.dtsi and imx8ulp-evk.dts to resolve boot
issues observed on i.MX8ULP EVK board.

Signed-off-by: Alice Guo <alice.guo at nxp.com>
---
 arch/arm/dts/imx8ulp-evk-u-boot.dtsi | 18 +++++++++---------
 arch/arm/dts/imx8ulp-evk.dts         |  4 ++++
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/arch/arm/dts/imx8ulp-evk-u-boot.dtsi b/arch/arm/dts/imx8ulp-evk-u-boot.dtsi
index 845fe205925..3485e6e3f2d 100644
--- a/arch/arm/dts/imx8ulp-evk-u-boot.dtsi
+++ b/arch/arm/dts/imx8ulp-evk-u-boot.dtsi
@@ -10,38 +10,38 @@
 		compatible = "fsl,imx8ulp-mu";
 		reg = <0 0x27020000 0 0x10000>;
 		status = "okay";
-		bootph-pre-ram;
+		bootph-all;
 	};
 };
 
 &soc {
-	bootph-pre-ram;
+	bootph-all;
 };
 
 &per_bridge3 {
-	bootph-pre-ram;
+	bootph-all;
 };
 
 &per_bridge4 {
-	bootph-pre-ram;
+	bootph-all;
 };
 
 &iomuxc1 {
-	bootph-pre-ram;
+	bootph-all;
 };
 
 &pinctrl_lpuart5 {
-	bootph-pre-ram;
+	bootph-all;
 };
 
 &lpuart5 {
-	bootph-pre-ram;
+	bootph-all;
 };
 
 &usdhc0 {
-	bootph-pre-ram;
+	bootph-all;
 };
 
 &pinctrl_usdhc0 {
-	bootph-pre-ram;
+	bootph-all;
 };
diff --git a/arch/arm/dts/imx8ulp-evk.dts b/arch/arm/dts/imx8ulp-evk.dts
index f1c6d933a17..7aec1706382 100644
--- a/arch/arm/dts/imx8ulp-evk.dts
+++ b/arch/arm/dts/imx8ulp-evk.dts
@@ -119,3 +119,7 @@
 		>;
 	};
 };
+
+&wdog3 {
+	status = "disabled";
+};
-- 
2.43.0



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