diff --git a/arch/arm/soc/ti_lm3s6965/Kconfig.defconfig b/arch/arm/soc/ti_lm3s6965/Kconfig.defconfig
index a7d0e0089c6..9c3adf300fe 100644
--- a/arch/arm/soc/ti_lm3s6965/Kconfig.defconfig
+++ b/arch/arm/soc/ti_lm3s6965/Kconfig.defconfig
@@ -11,16 +11,6 @@ if SOC_TI_LM3S6965
 config SOC
 	default ti_lm3s6965
 
-config SRAM_BASE_ADDRESS
-	default 0x20000000
-
-config FLASH_BASE_ADDRESS
-	default 0x00000000
-
-config NUM_IRQ_PRIO_BITS
-	int
-	default 3
-
 config NUM_IRQS
 	int
 	# must be >= the highest interrupt number used
diff --git a/boards/arm/qemu_cortex_m3/qemu_cortex_m3_defconfig b/boards/arm/qemu_cortex_m3/qemu_cortex_m3_defconfig
index 3ca4c75b668..a1646590f31 100644
--- a/boards/arm/qemu_cortex_m3/qemu_cortex_m3_defconfig
+++ b/boards/arm/qemu_cortex_m3/qemu_cortex_m3_defconfig
@@ -6,6 +6,5 @@ CONFIG_CONSOLE=y
 CONFIG_UART_CONSOLE=y
 CONFIG_SERIAL=y
 CONFIG_CORTEX_M_SYSTICK=y
-CONFIG_FLASH_SIZE=256
-CONFIG_SRAM_SIZE=64
 CONFIG_UART_STELLARIS=y
+CONFIG_HAS_DTS=y
diff --git a/dts/arm/Makefile b/dts/arm/Makefile
index 16b2af2141a..392b1ee74f4 100644
--- a/dts/arm/Makefile
+++ b/dts/arm/Makefile
@@ -28,6 +28,7 @@ dtb-$(CONFIG_BOARD_CURIE_BLE)		=	curie_ble.dts_compiled
 dtb-$(CONFIG_BOARD_NRF51_BLENANO)	=	nrf51_blenano.dts_compiled
 dtb-$(CONFIG_BOARD_NRF51_PCA10028)	=	nrf51_pca10028.dts_compiled
 dtb-$(CONFIG_BOARD_QUARK_SE_C1000_BLE)	=	quark_se_c1000_ble.dts_compiled
+dtb-$(CONFIG_BOARD_QEMU_CORTEX_M3)	=	qemu_cortex_m3.dts_compiled
 
 always	:= $(dtb-y)
 endif
diff --git a/dts/arm/qemu_cortex_m3.dts b/dts/arm/qemu_cortex_m3.dts
new file mode 100644
index 00000000000..cc7b45cf3ae
--- /dev/null
+++ b/dts/arm/qemu_cortex_m3.dts
@@ -0,0 +1,13 @@
+/dts-v1/;
+
+#include <ti/lm3s6965.dtsi>
+
+/ {
+	model = "QEMU Cortex-M3";
+	compatible = "ti,lm3s6965evb-qemu", "ti,lm3s6965";
+
+	chosen {
+		zephyr,sram = &sram0;
+		zephyr,flash = &flash0;
+	};
+};
diff --git a/dts/arm/qemu_cortex_m3.fixup b/dts/arm/qemu_cortex_m3.fixup
new file mode 100644
index 00000000000..af1312e9de4
--- /dev/null
+++ b/dts/arm/qemu_cortex_m3.fixup
@@ -0,0 +1 @@
+#define CONFIG_NUM_IRQ_PRIO_BITS	ARM_V7M_NVIC_E000E100_ARM_NUM_IRQ_PRIORITY_BITS
diff --git a/dts/arm/ti/lm3s6965.dtsi b/dts/arm/ti/lm3s6965.dtsi
new file mode 100644
index 00000000000..308694cb85b
--- /dev/null
+++ b/dts/arm/ti/lm3s6965.dtsi
@@ -0,0 +1,25 @@
+#include <arm/armv7-m.dtsi>
+
+/ {
+	cpus {
+		cpu@0 {
+			compatible = "arm,cortex-m3";
+		};
+	};
+
+	sram0: memory {
+		compatible = "sram";
+		reg = <0x20000000 (64*1024)>;
+	};
+
+	flash0: flash {
+		reg = <0x00000000 (256*1024)>;
+	};
+
+	soc {
+	};
+};
+
+&nvic {
+	arm,num-irq-priority-bits = <3>;
+};