[OpenWrt-Devel] [PATCH] ramips: add support for JCG JHR-AC876M

[DENG Qingfang]

JCG JHR-AC876M is an AC2600M router

Hardware specs:
  SoC: MT7621AT
  2.4GHz: MT7615N 4x4 @ PCIe0
  5GHz: MT7615N 4x4 @ PCIe1
  Flash: Winbond W25Q128JVSQ 16MiB
  RAM: Nanya NT5CB128M16 256MiB
  USB 2.0 and 3.0 ports
  6 LEDs, 3 of which are connected to SoC GPIO
  Reset and WPS buttons

Flash instructions:
Stock to OpenWrt:
  Upload factory.bin in stock firmware's upgrade page,
  do not preserve settings

OpenWrt to stock:
  Push and hold the reset button for 5s while power cycling to
  enter recovery mode;
  Visit 192.168.1.1 and upload stock firmware

Signed-off-by: DENG Qingfang <dengqf6 at mail2.sysu.edu.cn>
---
 .../ramips/dts/mt7621_jcg_jhr-ac876m.dts      | 147 ++++++++++++++++++
 target/linux/ramips/image/mt7621.mk           |  13 ++
 .../mt7621/base-files/etc/board.d/02_network  |   4 +
 3 files changed, 164 insertions(+)
 create mode 100644 target/linux/ramips/dts/mt7621_jcg_jhr-ac876m.dts

diff --git a/target/linux/ramips/dts/mt7621_jcg_jhr-ac876m.dts b/target/linux/ramips/dts/mt7621_jcg_jhr-ac876m.dts
new file mode 100644
index 0000000000..7aa644b124
--- /dev/null
+++ b/target/linux/ramips/dts/mt7621_jcg_jhr-ac876m.dts
@@ -0,0 +1,147 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/dts-v1/;
+
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	compatible = "jcg,jhr-ac876m", "mediatek,mt7621-soc";
+	model = "JCG JHR-AC876M";
+
+	aliases {
+		led-boot = &led_wps;
+		led-failsafe = &led_wps;
+		led-running = &led_wps;
+		led-upgrade = &led_wps;
+		label-mac-device = &wifi2g;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,57600";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		usb3 {
+			label = "jhr-ac876m:blue:usb3";
+			gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
+			trigger-sources = <&xhci_ehci_port1>;
+			linux,default-trigger = "usbport";
+		};
+
+		usb2 {
+			label = "jhr-ac876m:blue:usb2";
+			gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
+			trigger-sources = <&ehci_port2>;
+			linux,default-trigger = "usbport";
+		};
+
+		led_wps: wps {
+			label = "jhr-ac876m:blue:wps";
+			gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	keys {
+		compatible = "gpio-keys";
+
+		reset {
+			label = "reset";
+			gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+
+		wps {
+			label = "wps";
+			gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_WPS_BUTTON>;
+		};
+	};
+};
+
+&spi0 {
+	status = "okay";
+
+	flash at 0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <80000000>;
+		m25p,fast-read;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition at 0 {
+				label = "u-boot";
+				reg = <0x0 0x30000>;
+				read-only;
+			};
+
+			partition at 30000 {
+				label = "u-boot-env";
+				reg = <0x30000 0x10000>;
+				read-only;
+			};
+
+			factory: partition at 40000 {
+				label = "factory";
+				reg = <0x40000 0x10000>;
+				read-only;
+			};
+
+			partition at 50000 {
+				compatible = "denx,uimage";
+				label = "firmware";
+				reg = <0x50000 0xfb0000>;
+			};
+		};
+	};
+};
+
+&pcie {
+	status = "okay";
+};
+
+&pcie0 {
+	wifi2g: wifi at 0,0 {
+		compatible = "mediatek,mt76";
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x0>;
+		ieee80211-freq-limit = <2400000 2500000>;
+
+		led {
+			led-active-low;
+		};
+	};
+};
+
+&pcie1 {
+	wifi at 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;
+		};
+	};
+};
+
+&ethernet {
+	mtd-mac-address = <&factory 0xe000>;
+};
+
+&pinctrl {
+	state_default: pinctrl0 {
+		gpio {
+			ralink,group = "i2c", "uart3", "jtag", "wdt";
+			ralink,function = "gpio";
+		};
+	};
+};
diff --git a/target/linux/ramips/image/mt7621.mk b/target/linux/ramips/image/mt7621.mk
index d663aa29da..cbbda06822 100644
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -361,6 +361,19 @@ define Device/iodata_wnpr2600g
 endef
 TARGET_DEVICES += iodata_wnpr2600g
 
+define Device/jcg_jhr-ac876m
+  MTK_SOC := mt7621
+  IMAGE_SIZE := 16064k
+  IMAGES += factory.bin
+  IMAGE/factory.bin := \
+        $$(sysupgrade_bin) | check-size $$$$(IMAGE_SIZE) | jcg-header 89.1
+  JCG_MAXSIZE := 16449536
+  DEVICE_VENDOR := JCG
+  DEVICE_MODEL := JHR-AC876M
+  DEVICE_PACKAGES := kmod-mt7615e kmod-usb3 kmod-usb-ledtrig-usbport wpad-basic
+endef
+TARGET_DEVICES += jcg_jhr-ac876m
+
 define Device/lenovo_newifi-d1
   MTK_SOC := mt7621
   IMAGE_SIZE := 32448k
diff --git a/target/linux/ramips/mt7621/base-files/etc/board.d/02_network b/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
index bb6e41e06f..904e82e09a 100755
--- a/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
@@ -14,6 +14,7 @@ ramips_setup_interfaces()
 	d-team,pbr-m1|\
 	firefly,firewrt|\
 	hiwifi,hc5962|\
+	jcg,jhr-ac876m|\
 	mediatek,ap-mt7621a-v60|\
 	mediatek,mt7621-eval-board|\
 	mqmaker,witi|\
@@ -223,6 +224,9 @@ ramips_setup_macs()
 		wan_mac=$(mtd_get_mac_ascii u-boot-env wanaddr)
 		label_mac=$wan_mac
 		;;
+	jcg,jhr-ac876m)
+		wan_mac=$(mtd_get_mac_binary factory 0x4)
+		;;
 	netgear,r6260|\
 	netgear,r6350|\
 	netgear,r6850)
-- 
2.24.0




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