ramips: add support for D-Link DIR-882 R1

Specifications:
- SoC: MediaTek MT7621AT
- RAM: 128 MB (DDR3)
- Flash: 16 MB (SPI NOR)
- WiFi: MediaTek MT7615N (x2)
- Switch: 1 WAN, 4 LAN (Gigabit)
- Ports: 1 USB 2.0, 1 USB 3.0
- Buttons: Reset, WiFi Toggle, WPS
- LEDs: Power, Internet, WiFi 2.4G WiFi 5G, USB 2.0, USB 3.0

The R1 revision is identical to the A1 revision except
- No Config2 Parition, therefore
- factory partition resized to 64k from 128K
- Firmware partition offset is 0x50000 not 0x60000
- Firmware partitions size increased by 64K
- Firmware partition type is "denx,uimage", not "sge,uimage"
- Padding of image creation "uimage-padhdr 96" removed

Installation:
- Older firmware versions: put the factory image on a USB stick, turn on
the telnet console, and flash using the following cmd
"fw_updater Linux /mnt/usb_X_X/firmware.bin"

- D-Link FailsafeUI:
Power down the router, press and hold the reset button, then
re-plug it. Keep the reset button pressed until the internet LED stops
flashing, then jack into any lan port and manually assign a static IP
address in 192.168.0.0/24 other than 192.168.0.0 (e.g. 192.168.0.2)
and go to http://192.168.0.1
Flash with the factory image.

Signed-off-by: Andrew Pikler <andrew.pikler@gmail.com>

1 files changed, 1 insertions, 131 deletions

diff --git a/target/linux/ramips/dts/mt7621_dlink_dir-8xx-a1.dtsi b/target/linux/ramips/dts/mt7621_dlink_dir-8xx-a1.dtsi
index e451d6a39f..c43cc49aa1 100644
--- a/target/linux/ramips/dts/mt7621_dlink_dir-8xx-a1.dtsi
+++ b/target/linux/ramips/dts/mt7621_dlink_dir-8xx-a1.dtsi
@@ -1,65 +1,6 @@
 // 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 {
-		label-mac-device = &gmac0;
-		led-boot = &led_power_orange;
-		led-failsafe = &led_power_green;
-		led-running = &led_power_green;
-		led-upgrade = &led_net_orange;
-	};
-
-	keys {
-		compatible = "gpio-keys";
-
-		reset {
-			label = "reset";
-			gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
-			linux,code = <KEY_RESTART>;
-		};
-
-		wps {
-			label = "wps";
-			gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
-			linux,code = <KEY_WPS_BUTTON>;
-		};
-
-		wifi {
-			label = "wifi";
-			gpios = <&gpio 7 GPIO_ACTIVE_LOW>;
-			linux,code = <KEY_RFKILL>;
-		};
-	};
-
-	leds: leds {
-		compatible = "gpio-leds";
-
-		led_power_orange: power_orange {
-			label = "orange:power";
-			gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
-		};
-
-		led_power_green: power_green {
-			label = "green:power";
-			gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
-		};
-
-		led_net_orange: net_orange {
-			label = "orange:net";
-			gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
-		};
-
-		net_green {
-			label = "green:net";
-			gpios = <&gpio 3 GPIO_ACTIVE_LOW>;
-		};
-	};
-};
+#include "mt7621_dlink_dir-8xx-x1.dtsi"
 
 &spi0 {
 	status = "okay";
@@ -100,74 +41,3 @@
 		};
 	};
 };
-
-&pcie {
-	status = "okay";
-};
-
-&pcie0 {
-	wifi@0,0 {
-		compatible = "mediatek,mt76";
-		reg = <0x0000 0 0 0 0>;
-		mediatek,mtd-eeprom = <&factory 0x0000>;
-		ieee80211-freq-limit = <2400000 2500000>;
-
-		led {
-			led-active-low;
-		};
-	};
-};
-
-&pcie1 {
-	wifi@0,0 {
-		compatible = "mediatek,mt76";
-		reg = <0x0000 0 0 0 0>;
-		mediatek,mtd-eeprom = <&factory 0x8000>;
-		ieee80211-freq-limit = <5000000 6000000>;
-
-		led {
-			led-active-low;
-		};
-	};
-};
-
-&gmac0 {
-	mtd-mac-address = <&factory 0xe000>;
-};
-
-&switch0 {
-	ports {
-		port@0 {
-			status = "okay";
-			label = "lan4";
-		};
-
-		port@1 {
-			status = "okay";
-			label = "lan3";
-		};
-
-		port@2 {
-			status = "okay";
-			label = "lan2";
-		};
-
-		port@3 {
-			status = "okay";
-			label = "lan1";
-		};
-
-		port@4 {
-			status = "okay";
-			label = "wan";
-			mtd-mac-address = <&factory 0xe006>;
-		};
-	};
-};
-
-&state_default {
-	gpio {
-		groups = "i2c", "uart3", "jtag", "wdt";
-		function = "gpio";
-	};
-};