1 files changed, 180 insertions, 0 deletions
diff --git a/target/linux/ath79/dts/ar7100_mikrotik_routerboard-4xx.dtsi b/target/linux/ath79/dts/ar7100_mikrotik_routerboard-4xx.dtsi
new file mode 100644
index 0000000000..e957a51e27
--- /dev/null
+++ b/target/linux/ath79/dts/ar7100_mikrotik_routerboard-4xx.dtsi
@@ -0,0 +1,180 @@
+// SPDX-License-Identifier: GPL-1.0-or-later OR MIT
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+#include "ar7100.dtsi"
+
+/ {
+	aliases {
+		led-boot = &led_user;
+		led-failsafe = &led_user;
+		led-running = &led_user;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_user: user {
+			label = "mikrotik:yellow:user";
+			gpios = <&gpio 4 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+
+		led1 {
+			label = "mikrotik:green:led1";
+			gpios = <&cpld_gpio 0 GPIO_ACTIVE_LOW>;
+		};
+
+		led2 {
+			label = "mikrotik:green:led2";
+			gpios = <&cpld_gpio 2 GPIO_ACTIVE_LOW>;
+		};
+
+		led3 {
+			label = "mikrotik:green:led3";
+			gpios = <&cpld_gpio 1 GPIO_ACTIVE_LOW>;
+		};
+
+		led4 {
+			label = "mikrotik:green:led4";
+			gpios = <&cpld_gpio 3 GPIO_ACTIVE_LOW>;
+		};
+
+		led5 {
+			label = "mikrotik:green:led5";
+			gpios = <&cpld_gpio 8 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&uart {
+	status = "okay";
+};
+
+&gpio {
+	ngpios = <31>;
+	gpio-line-names =
+		"",     "", "", "", "LED", "RDY",  "",  "MDC",
+		"MDIO", "", "", "", "",    "",     "",  "",
+		"",     "", "", "", "",    "",     "",  "",
+		"",     "", "", "", "",    "",     "",  "";
+};
+
+&pcie0 {
+	status = "okay";
+};
+
+&spi {
+	status = "okay";
+
+	compatible = "mikrotik,rb4xx-spi";
+
+	flash@0 {
+		compatible = "pm25lv512", "jedec,spi-nor";
+
+		reg = <0>;
+		spi-max-frequency = <25000000>;
+
+		partitions {
+			compatible = "mikrotik,routerboot-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "routerboot1";
+				reg = <0x0 0x0>;
+				read-only;
+			};
+
+			hard_config {
+				label = "hard_config";
+				read-only;
+			};
+
+			bios {
+				label = "bios";
+				size = <0x1000>;
+				read-only;
+			};
+
+			routerboot2 {
+				label = "routerboot2";
+				read-only;
+			};
+
+			soft_config {
+				label = "soft_config";
+			};
+		};
+	};
+
+	cpld@1 {
+		compatible = "mikrotik,rb4xx-cpld";
+
+		reg = <1>;
+		spi-max-frequency = <25000000>;
+
+		cpld_gpio: gpio {
+			compatible = "mikrotik,rb4xx-gpio";
+
+			base = <32>;
+
+			gpio-controller;
+			#gpio-cells = <2>;
+			gpio-line-names =
+				"LED1", "LED2", "LED3", "LED4",
+				"FAN",  "ALE",  "CLE",  "nCE",
+				"LED5";
+		};
+
+		nand {
+			compatible = "mikrotik,rb4xx-nand";
+
+			gpios = <&cpld_gpio 5 GPIO_ACTIVE_HIGH>, // ALE
+				<&cpld_gpio 6 GPIO_ACTIVE_HIGH>, // CLE
+				<&cpld_gpio 7 GPIO_ACTIVE_HIGH>, // nCE
+				<&gpio      5 GPIO_ACTIVE_HIGH>; // RDY
+
+			partitions {
+				compatible = "fixed-partitions";
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				partition@0 {
+					label = "booter";
+					reg = <0x0000000 0x0040000>;
+					read-only;
+				};
+
+				partition@40000 {
+					label = "kernel";
+					reg = <0x0040000 0x0800000>;
+				};
+
+				partition@840000 {
+					label = "ubi";
+					reg = <0x0840000 0x77c0000>;
+				};
+			};
+		};
+	};
+};
+
+&eth0 {
+	status = "okay";
+
+	phy-handle = <&phy0>;
+};
+
+&mdio0 {
+	status = "okay";
+
+	phy0: ethernet-phy@0 {
+		reg = <0>;
+	};
+};