Hardware Info
-------------
Processor - Broadcom BCM4709C0KFEBG dual-core @ 1.4 GHz
Switch - BCM53012 in BCM4709C0KFEBG & external RTL8365MB
DDR3 RAM - 512 MB
Flash - 128 MB (ESMT F59L1G81LA-25T)
2.4GHz - BCM4366 4×4 2.4/5G single chip 802.11ac SoC
5GHz - BCM4366 4×4 2.4/5G single chip 802.11ac SoC
Ports - 8 Ports, 1 WAN Ports
Tested on OpenWrt on kernel 5.10 built with DSA driver.
Signed-off-by: Arınç ÜNAL <arinc.unal@xxxxxxxxxx>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts | 200 +++++++++++++++++++
2 files changed, 201 insertions(+)
create mode 100644 arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 7e0934180724..339239c6a76d 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -117,6 +117,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
bcm4709-netgear-r7000.dtb \
bcm4709-netgear-r8000.dtb \
bcm4709-tplink-archer-c9-v1.dtb \
+ bcm47094-asus-rt-ac88u.dtb \
bcm47094-dlink-dir-885l.dtb \
bcm47094-linksys-panamera.dtb \
bcm47094-luxul-abr-4500.dtb \
diff --git a/arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts b/arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts
new file mode 100644
index 000000000000..448060561cd0
--- /dev/null
+++ b/arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts
@@ -0,0 +1,200 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright (C) 2021 Arınç ÜNAL <arinc.unal@xxxxxxxxxx>
+ */
+
+/dts-v1/;
+
+#include "bcm47094.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
+
+/ {
+ compatible = "asus,rt-ac88u", "brcm,bcm47094", "brcm,bcm4708";
+ model = "Asus RT-AC88U";
+
+ chosen {
+ bootargs = "earlycon";
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x00000000 0x08000000>,
+ <0x88000000 0x18000000>;
+ };
+
+ nvram@1c080000 {
+ compatible = "brcm,nvram";
+ reg = <0x1c080000 0x00180000>;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ power {
+ label = "white:power";
+ gpios = <&chipcommon 3 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-on";
+ };
+
+ wan-red {
+ label = "red:wan";
+ gpios = <&chipcommon 5 GPIO_ACTIVE_HIGH>;
+ };
+
+ lan {
+ label = "white:lan";
+ gpios = <&chipcommon 21 GPIO_ACTIVE_LOW>;
+ };
+
+ usb2 {
+ label = "white:usb2";
+ gpios = <&chipcommon 16 GPIO_ACTIVE_LOW>;
+ trigger-sources = <&ehci_port2>;
+ linux,default-trigger = "usbport";
+ };
+
+ usb3 {
+ label = "white:usb3";
+ gpios = <&chipcommon 17 GPIO_ACTIVE_LOW>;
+ trigger-sources = <&ehci_port1>, <&xhci_port1>;
+ linux,default-trigger = "usbport";
+ };
+
+ wps {
+ label = "white:wps";
+ gpios = <&chipcommon 19 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ wps {
+ label = "WPS";
+ linux,code = <KEY_WPS_BUTTON>;
+ gpios = <&chipcommon 20 GPIO_ACTIVE_LOW>;
+ };
+
+ reset {
+ label = "Reset";
+ linux,code = <KEY_RESTART>;
+ gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
+ };
+
+ wifi {
+ label = "Wi-Fi";
+ linux,code = <KEY_RFKILL>;
+ gpios = <&chipcommon 18 GPIO_ACTIVE_LOW>;
+ };
+
+ led {
+ label = "Backlight";
+ linux,code = <KEY_BRIGHTNESS_ZERO>;
+ gpios = <&chipcommon 4 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&srab {
+ compatible = "brcm,bcm53012-srab", "brcm,bcm5301x-srab";
+ status = "okay";
+ dsa,member = <0 0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ label = "lan4";
+ };
+
+ port@1 {
+ reg = <1>;
+ label = "lan3";
+ };
+
+ port@2 {
+ reg = <2>;
+ label = "lan2";
+ };
+
+ port@3 {
+ reg = <3>;
+ label = "lan1";
+ };
+
+ port@4 {
+ reg = <4>;
+ label = "wan";
+ };
+
+ sw0_p5: port@5 {
+ reg = <5>;
+ label = "extsw";
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+ };
+
+ port@7 {
+ reg = <7>;
+ ethernet = <&gmac1>;
+ label = "cpu";
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+ };
+
+ port@8 {
+ reg = <8>;
+ ethernet = <&gmac2>;
+ label = "cpu";
+ status = "disabled";
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+ };
+ };
+};
+
+&usb2 {
+ vcc-gpio = <&chipcommon 9 GPIO_ACTIVE_HIGH>;
+};
+
+&usb3_phy {
+ status = "okay";
+};
+
+&nandcs {
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "boot";
+ reg = <0x00000000 0x00080000>;
+ read-only;
+ };
+
+ partition@80000 {
+ label = "nvram";
+ reg = <0x00080000 0x00180000>;
+ };
+
+ partition@200000 {
+ label = "firmware";
+ reg = <0x00200000 0x07e00000>;
+ compatible = "brcm,trx";
+ };
+ };
+};
--
2.25.1
