ARM: dts: Add some initial IXP4xx device trees

This adds a device tree for the IXP4xx-based Linksys
NSLU2 and Gateworks GW2358 which encompass the Gateworks
Cambria family.

These will be the first IXP4xx device tree platforms.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 25 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/intel-ixp42x.dtsi b/arch/arm/boot/dts/intel-ixp42x.dtsi
new file mode 100644
index 000000000000..a9622ca850cc
--- /dev/null
+++ b/arch/arm/boot/dts/intel-ixp42x.dtsi
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Device Tree file for Intel XScale Network Processors
+ * in the IXP 42x series. This series has 32 interrupts.
+ */
+#include "intel-ixp4xx.dtsi"
+
+/ {
+	soc {
+		interrupt-controller@c8003000 {
+			compatible = "intel,ixp42x-interrupt";
+		};
+
+		/*
+		 * This is the USB Device Mode (UDC) controller, which is used
+		 * to present the IXP4xx as a device on a USB bus.
+		 */
+		usb@c800b000 {
+			compatible = "intel,ixp4xx-udc";
+			reg = <0xc800b000 0x1000>;
+			interrupts = <12 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+	};
+};