Initial commit

target/linux/ramips/dts/mt7621_ampedwireless_ally.dtsi

@@ -0,0 +1,179 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	aliases {
+		led-boot = &led_status_amber;
+		led-failsafe = &led_status_amber;
+		led-running = &led_status_green;
+		led-upgrade = &led_status_red;
+	};
+
+	keys {
+		compatible = "gpio-keys";
+
+		led_switch {
+			label = "led_switch";
+			gpios = <&gpio 13 GPIO_ACTIVE_HIGH>;
+			linux,code = <KEY_LIGHTS_TOGGLE>;
+			linux,input-type = <EV_SW>;
+		};
+
+		reset {
+			label = "reset";
+			gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+
+		wps {
+			label = "wps";
+			gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
+			linux,code = <KEY_WPS_BUTTON>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_status_green: status_green {
+			label = "green:status";
+			gpios = <&gpio 7 GPIO_ACTIVE_HIGH>;
+		};
+
+		led_status_red: status_red {
+			label = "red:status";
+			gpios = <&gpio 12 GPIO_ACTIVE_HIGH>;
+		};
+
+		led_status_amber: status_amber {
+			label = "amber:status";
+			gpios = <&gpio 14 GPIO_ACTIVE_HIGH>;
+		};
+	};
+};
+
+&pcie {
+	status = "okay";
+};
+
+&pcie0 {
+	wifi@0,0 {
+		compatible = "pci14c3,7615";
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x0000>;
+		ieee80211-freq-limit = <2400000 2500000>;
+	};
+};
+
+&pcie1 {
+	wifi@0,0 {
+		compatible = "pci14c3,7615";
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x8000>;
+		ieee80211-freq-limit = <5000000 6000000>;
+	};
+};
+
+&state_default {
+	gpio {
+		groups = "uart2", "uart3", "jtag", "wdt";
+		function = "gpio";
+	};
+};
+
+&nand {
+	status = "okay";
+
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		partition@0 {
+			label = "u-boot";
+			reg = <0x0 0x80000>;
+			read-only;
+		};
+
+		partition@80000 {
+			label = "u-boot-env";
+			reg = <0x80000 0x80000>;
+		};
+
+		factory: partition@100000 {
+			label = "factory";
+			reg = <0x100000 0x40000>;
+			read-only;
+		};
+
+		/*
+		 * uboot expects to find kernels at 0x140000 & 0x2140000,
+		 * referred to as Uimage & Uimage1 in factory FW, respectively.
+		 * U-boot variable 'bootImage' controls which is booted;
+		 * 0 for the first, 1 for the 2nd.
+		 * There's a 3rd partition, Uimage2 (0x4140000), which
+		 * I expected to be a recovery image, but is actually blank.
+		 *
+		 * A kernel is considered suitable for handing control over
+		 * if its linux magic number exists & uImage CRC are correct.
+		 * If either of those conditions fail, 'bootImage' value
+		 * is toggled in uboot env & a restart performed in the hope that the
+		 * alternate kernel is okay.
+		 *
+		 * Note uboot's tftp flash install writes the transferred
+		 * image to the active kernel partition.
+		 */
+
+		partition@140000 {
+			label = "kernel";
+			reg = <0x140000 0x400000>;
+		};
+
+		partition@540000 {
+			label = "ubi";
+			reg = <0x540000 0x1c00000>;
+		};
+
+		partition@2140000 {
+			label = "oem";
+			reg = <0x2140000 0x2000000>;
+		};
+
+		partition@4140000 {
+			label = "backup";
+			reg = <0x4140000 0x2000000>;
+		};
+
+		partition@6140000 {
+			label = "chime";
+			reg = <0x6140000 0xa00000>;
+		};
+
+		partition@6b40000 {
+			label = "data";
+			reg = <0x6b40000 0xa00000>;
+		};
+
+		partition@7540000 {
+			label = "reserved";
+			reg = <0x7540000 0x840000>;
+			read-only;
+		};
+
+		partition@7d80000 {
+			label = "nvram";
+			reg = <0x7d80000 0x100000>;
+			read-only;
+		};
+
+		partition@7e80000 {
+			label = "hwconfig";
+			reg = <0x7e80000 0x100000>;
+			read-only;
+		};
+	};
+};