diff --git a/boards/xtensa/intel_s1000_crb/intel_s1000_crb.dts b/boards/xtensa/intel_s1000_crb/intel_s1000_crb.dts
index 247ed0a5b97..54d8102c320 100644
--- a/boards/xtensa/intel_s1000_crb/intel_s1000_crb.dts
+++ b/boards/xtensa/intel_s1000_crb/intel_s1000_crb.dts
@@ -7,7 +7,7 @@
 	compatible = "intel,s1000";
 
 	aliases {
-		uart_0 = &uart0;
+		uart-0 = &uart0;
 	};
 
 	chosen {
diff --git a/dts/xtensa/intel_s1000.dtsi b/dts/xtensa/intel_s1000.dtsi
index 3aee62ebfc3..6c22dbb5d69 100644
--- a/dts/xtensa/intel_s1000.dtsi
+++ b/dts/xtensa/intel_s1000.dtsi
@@ -97,9 +97,9 @@
 			#gpio-cells = <2>;
 		};
 
-		pinmux: pinmux@81C30 {
+		pinmux: pinmux@81c30 {
 			compatible = "intel,s1000-pinmux";
-			reg = <0x00081C30 0xC>;
+			reg = <0x00081c30 0xC>;
 		};
 
 		uart0: uart@80800 {