diff --git a/arch/arm/dts/fsl-ls1088a.dtsi b/arch/arm/dts/fsl-ls1088a.dtsi
index 0eb0f6c..b094bcf 100644
--- a/arch/arm/dts/fsl-ls1088a.dtsi
+++ b/arch/arm/dts/fsl-ls1088a.dtsi
@@ -2,9 +2,10 @@
 /*
  * NXP ls1088a SOC common device tree source
  *
- * Copyright 2017, 2020-2021 NXP
+ * Copyright 2017, 2020-2021, 2023 NXP
  */
 
+#include <dt-bindings/clock/fsl,qoriq-clockgen.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 / {
 	compatible = "fsl,ls1088a";
@@ -35,6 +36,13 @@
 			     <1 10 0x8>; /* Hypervisor PPI, active-low */
 	};
 
+	sysclk: sysclk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <100000000>;
+		clock-output-names = "sysclk";
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <2>;
@@ -42,20 +50,29 @@
 		ranges;
 		dma-ranges = <0x0 0x0 0x0 0x0 0x10000 0x00000000>;
 
-		serial0: serial@21c0500 {
-			device_type = "serial";
+		clockgen: clocking@1300000 {
+			compatible = "fsl,ls1088a-clockgen";
+			reg = <0 0x1300000 0 0xa0000>;
+			#clock-cells = <2>;
+			clocks = <&sysclk>;
+		};
+
+		duart0: serial@21c0500 {
 			compatible = "fsl,ns16550", "ns16550a";
 			reg = <0x0 0x21c0500 0x0 0x100>;
-			clock-frequency = <0>; /* Updated by bootloader */
-			interrupts = <0 32 0x1>; /* edge triggered */
+			clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL
+					    QORIQ_CLK_PLL_DIV(4)>;
+			interrupts = <0 32 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
 		};
 
-		serial1: serial@21c0600 {
-			device_type = "serial";
+		duart1: serial@21c0600 {
 			compatible = "fsl,ns16550", "ns16550a";
 			reg = <0x0 0x21c0600 0x0 0x100>;
-			clock-frequency = <0>; /* Updated by bootloader */
-			interrupts = <0 32 0x1>; /* edge triggered */
+			clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL
+					    QORIQ_CLK_PLL_DIV(4)>;
+			interrupts = <0 32 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
 		};
 	};