1 files changed, 67 insertions, 0 deletions
diff --git a/arch/mips/boot/dts/econet/en751221.dtsi b/arch/mips/boot/dts/econet/en751221.dtsi
new file mode 100644
index 000000000000..66197e73d4f0
--- /dev/null
+++ b/arch/mips/boot/dts/econet/en751221.dtsi
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/dts-v1/;
+
+/ {
+	compatible = "econet,en751221";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	hpt_clock: clock {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <200000000>;  /* 200 MHz */
+	};
+
+	cpus: cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			compatible = "mips,mips24KEc";
+			reg = <0>;
+		};
+	};
+
+	cpuintc: interrupt-controller {
+		compatible = "mti,cpu-interrupt-controller";
+		interrupt-controller;
+		#address-cells = <0>;
+		#interrupt-cells = <1>;
+	};
+
+	intc: interrupt-controller@1fb40000 {
+		compatible = "econet,en751221-intc";
+		reg = <0x1fb40000 0x100>;
+		interrupt-parent = <&cpuintc>;
+		interrupts = <2>;
+
+		interrupt-controller;
+		#interrupt-cells = <1>;
+		econet,shadow-interrupts = <7 2>, <8 3>, <13 12>, <30 29>;
+	};
+
+	uart: serial@1fbf0000 {
+		compatible = "ns16550";
+		reg = <0x1fbf0000 0x30>;
+		reg-io-width = <4>;
+		reg-shift = <2>;
+		interrupt-parent = <&intc>;
+		interrupts = <0>;
+		/*
+		 * Conversion of baud rate to clock frequency requires a
+		 * computation that is not in the ns16550 driver, so this
+		 * uart is fixed at 115200 baud.
+		 */
+		clock-frequency = <1843200>;
+	};
+
+	timer_hpt: timer@1fbf0400 {
+		compatible = "econet,en751221-timer";
+		reg = <0x1fbf0400 0x100>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <30>;
+		clocks = <&hpt_clock>;
+	};
+};