diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 6960946..a766fa3 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1182,6 +1182,8 @@
 
 dtb-$(CONFIG_BCM47622) += \
 	bcm947622.dtb
+dtb-$(CONFIG_BCM63138) += \
+	bcm963138.dtb
 dtb-$(CONFIG_BCM63148) += \
 	bcm963148.dtb
 dtb-$(CONFIG_BCM63178) += \
diff --git a/arch/arm/dts/bcm63138.dtsi b/arch/arm/dts/bcm63138.dtsi
new file mode 100644
index 0000000..42b442a
--- /dev/null
+++ b/arch/arm/dts/bcm63138.dtsi
@@ -0,0 +1,149 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Broadcom BCM63138 DSL SoCs Device Tree
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+	compatible = "brcm,bcm63138", "brcm,bcmbca";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	interrupt-parent = <&gic>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a9";
+			next-level-cache = <&L2>;
+			reg = <0>;
+			enable-method = "brcm,bcm63138";
+		};
+
+		cpu@1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a9";
+			next-level-cache = <&L2>;
+			reg = <1>;
+			enable-method = "brcm,bcm63138";
+		};
+	};
+
+	clocks {
+		/* UBUS peripheral clock */
+		periph_clk: periph_clk {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <50000000>;
+			clock-output-names = "periph";
+		};
+
+		/* peripheral clock for system timer */
+		axi_clk: axi_clk {
+			#clock-cells = <0>;
+			compatible = "fixed-factor-clock";
+			clocks = <&armpll>;
+			clock-div = <2>;
+			clock-mult = <1>;
+		};
+
+		/* APB bus clock */
+		apb_clk: apb_clk {
+			#clock-cells = <0>;
+			compatible = "fixed-factor-clock";
+			clocks = <&armpll>;
+			clock-div = <4>;
+			clock-mult = <1>;
+		};
+	};
+
+	/* ARM bus */
+	axi@80000000 {
+		compatible = "simple-bus";
+		ranges = <0 0x80000000 0x784000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		L2: cache-controller@1d000 {
+			compatible = "arm,pl310-cache";
+			reg = <0x1d000 0x1000>;
+			cache-unified;
+			cache-level = <2>;
+			cache-size = <524288>;
+			cache-sets = <1024>;
+			cache-line-size = <32>;
+			interrupts = <GIC_PPI 0 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		scu: scu@1e000 {
+			compatible = "arm,cortex-a9-scu";
+			reg = <0x1e000 0x100>;
+		};
+
+		gic: interrupt-controller@1f000 {
+			compatible = "arm,cortex-a9-gic";
+			reg = <0x1f000 0x1000
+				0x1e100 0x100>;
+			#interrupt-cells = <3>;
+			#address-cells = <0>;
+			interrupt-controller;
+		};
+
+		global_timer: timer@1e200 {
+			compatible = "arm,cortex-a9-global-timer";
+			reg = <0x1e200 0x20>;
+			interrupts = <GIC_PPI 11 IRQ_TYPE_EDGE_RISING>;
+			clocks = <&axi_clk>;
+		};
+
+		local_timer: local-timer@1e600 {
+			compatible = "arm,cortex-a9-twd-timer";
+			reg = <0x1e600 0x20>;
+			interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) |
+						  IRQ_TYPE_EDGE_RISING)>;
+			clocks = <&axi_clk>;
+		};
+
+		twd_watchdog: watchdog@1e620 {
+			compatible = "arm,cortex-a9-twd-wdt";
+			reg = <0x1e620 0x20>;
+			interrupts = <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) |
+						  IRQ_TYPE_LEVEL_HIGH)>;
+		};
+
+		armpll: armpll@20000 {
+			#clock-cells = <0>;
+			compatible = "brcm,bcm63138-armpll";
+			clocks = <&periph_clk>;
+			reg = <0x20000 0xf00>;
+		};
+	};
+
+	/* Legacy UBUS base */
+	bus@fffe8000 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0 0xfffe8000 0x8000>;
+
+		timer0: timer@80 {
+			compatible = "brcm,bcmbca-periph-timer";
+			reg = <0x80 0x28>;
+			clocks = <&periph_clk>;
+		};
+
+		uart0: serial@600 {
+			compatible = "brcm,bcm6345-uart";
+			reg = <0x600 0x20>;
+			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&periph_clk>;
+			clock-names = "refclk";
+			status = "disabled";
+		};
+	};
+};
diff --git a/arch/arm/dts/bcm963138.dts b/arch/arm/dts/bcm963138.dts
new file mode 100644
index 0000000..6158a87
--- /dev/null
+++ b/arch/arm/dts/bcm963138.dts
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2022 Broadcom Ltd.
+ */
+
+/dts-v1/;
+
+#include "bcm63138.dtsi"
+
+/ {
+	model = "Broadcom BCM963138 Reference Board";
+	compatible = "brcm,bcm963138", "brcm,bcm63138", "brcm,bcmbca";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x08000000>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};