lantiq: add basic support for AVM FRITZ!Box 3390

The FRITZ!Box 3390 actually contains two SoCs, one Lantiq with a
5GHz WiFi and one AR9342 with a 2.4GHz WiFi. Only the Lantiq
has access to the flash memory, the Atheros runs fully from RAM.

Specifications
--------------

  - Lantiq 500 MHz
  - 128MiB RAM
  - 128MiB NAND
  - 256k Flash
  - AR9580 5GHz WiFi
  - AR9342 560 MHz
  - 64MiB RAM
  - AR9328 2.4GHz WiFi

Remarks
-------

This commit only adds support for the Lantiq side of things and
prepares the drivers for communication with the Atheros SoC. Thus,
only 5GHz WiFi works by default, the 2.4GHz WiFi will be added via
another target.

Some kernel patches will be required to add support for the Atheros SoC.

Installation
------------

Use the eva_ramboot.py script to boot the initramfs image. Then, transfer
the sysupgrade image to the device and run sysupgrade to flash it to the
NAND.

Signed-off-by: Andreas Böhler <dev@aboehler.at>
Acked-by: Aleksander Jan Bajkowski A.Bajkowski@stud.elka.pw.edu.pl
Signed-off-by: Joachim Cerny <cocktail_yogi@web.de>

1 files changed, 308 insertions, 0 deletions

diff --git a/target/linux/lantiq/files/arch/mips/boot/dts/lantiq/vr9_avm_fritz3390.dts b/target/linux/lantiq/files/arch/mips/boot/dts/lantiq/vr9_avm_fritz3390.dts
new file mode 100644
index 0000000000..09c97a6454
--- /dev/null
+++ b/target/linux/lantiq/files/arch/mips/boot/dts/lantiq/vr9_avm_fritz3390.dts
@@ -0,0 +1,308 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include "vr9.dtsi"
+
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/mips/lantiq_rcu_gphy.h>
+
+/ {
+	compatible = "avm,fritz3390", "lantiq,xway", "lantiq,vr9";
+	model = "AVM FRITZ!Box 3390";
+
+	chosen {
+		bootargs = "console=ttyLTQ0,115200";
+	};
+
+	aliases {
+		led-boot = &led_power_green;
+		led-failsafe = &led_power_red;
+		led-running = &led_power_green;
+		led-upgrade = &led_power_red;
+
+		led-dsl = &led_dsl;
+		led-internet = &led_info;
+		led-wifi = &led_wifi;
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x8000000>;
+	};
+
+	keys {
+		compatible = "gpio-keys-polled";
+		poll-interval = <100>;
+
+		power {
+			label = "power";
+			gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
+			linux,code = <KEY_POWER>;
+		};
+
+		wifi {
+			label = "wifi";
+			gpios = <&gpio 29 GPIO_ACTIVE_HIGH>;
+			linux,code = <KEY_RFKILL>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_power_green: power_green {
+			label = "green:power";
+			gpios = <&gpio 45 GPIO_ACTIVE_LOW>;
+			default-state = "keep";
+		};
+
+		led_power_red: power_red {
+			label = "red:power";
+			gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
+		};
+
+		led_wifi: wifi {
+			label = "green:wifi";
+			gpios = <&gpio 36 GPIO_ACTIVE_LOW>;
+		};
+
+		led_dsl: dsl {
+			label = "green:dsl";
+			gpios = <&gpio 35 GPIO_ACTIVE_LOW>;
+		};
+
+		led_lan {
+			label = "green:lan";
+			gpios = <&gpio 47 GPIO_ACTIVE_LOW>;
+		};
+
+		led_info: info {
+			label = "green:info";
+			gpios = <&gpio 33 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	usb0_vbus: regulator-usb0-vbus {
+		compatible = "regulator-fixed";
+
+		regulator-name = "USB0_VBUS";
+
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+
+		gpio = <&gpio 14 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	usb1_vbus: regulator-usb1-vbus {
+		compatible = "regulator-fixed";
+
+		regulator-name = "USB1_VBUS";
+
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+
+		gpio = <&gpio 5 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+};
+
+&eth0 {
+	interface@0 {
+		compatible = "lantiq,xrx200-pdi";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0>;
+		lantiq,switch;
+
+		ethernet@0 {
+			compatible = "lantiq,xrx200-pdi-port";
+			reg = <0>;
+			phy-mode = "rgmii";
+			phy-handle = <&phy0>;
+			gpios = <&gpio 32 GPIO_ACTIVE_HIGH>;
+		};
+
+		ethernet@1 {
+			compatible = "lantiq,xrx200-pdi-port";
+			reg = <1>;
+			phy-mode = "rgmii";
+			phy-handle = <&phy1>;
+			gpios = <&gpio 44 GPIO_ACTIVE_HIGH>;
+		};
+
+		ethernet@2 {
+			compatible = "lantiq,xrx200-pdi-port";
+			reg = <2>;
+			phy-mode = "gmii";
+			phy-handle = <&phy11>;
+		};
+
+		ethernet@4 {
+			compatible = "lantiq,xrx200-pdi-port";
+			reg = <4>;
+			phy-mode = "gmii";
+			phy-handle = <&phy13>;
+		};
+	};
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "lantiq,xrx200-mdio";
+
+		phy0: ethernet-phy@0 {
+			reg = <0x0>;
+			compatible = "ethernet-phy-ieee802.3-c22";
+		};
+
+		phy1: ethernet-phy@1 {
+			reg = <0x1>;
+			compatible = "ethernet-phy-ieee802.3-c22";
+		};
+
+		phy11: ethernet-phy@11 {
+			reg = <0x11>;
+			compatible = "lantiq,phy11g", "ethernet-phy-ieee802.3-c22";
+		};
+
+		phy13: ethernet-phy@13 {
+			reg = <0x13>;
+			compatible = "lantiq,phy11g", "ethernet-phy-ieee802.3-c22";
+		};
+	};
+};
+
+&gphy0 {
+	lantiq,gphy-mode = <GPHY_MODE_GE>;
+};
+
+&gphy1 {
+	lantiq,gphy-mode = <GPHY_MODE_GE>;
+};
+
+&gpio {
+	pinctrl-names = "default";
+	pinctrl-0 = <&state_default>;
+
+	state_default: pinmux {
+		phy-rst {
+			lantiq,pins = "io32", "io44";
+			lantiq,pull = <0>;
+			lantiq,open-drain;
+			lantiq,output = <1>;
+		};
+
+		pcie-rst {
+			lantiq,pins = "io21";
+			lantiq,open-drain;
+			lantiq,output = <1>;
+		};
+	};
+
+	pcie-rst-dev {
+		gpio-hog;
+		line-name = "pcie-rst-dev";
+		gpios = <22 GPIO_ACTIVE_LOW>;
+		output-low;
+	};
+};
+
+&spi {
+	status = "okay";
+
+	flash@4 {
+		compatible = "jedec,spi-nor";
+		reg = <4>;
+		spi-max-frequency = <10000000>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				reg = <0x0 0x20000>;
+				label = "urlader";
+				read-only;
+			};
+
+			partition@20000 {
+				reg = <0x20000 0x10000>;
+				label = "tffs (1)";
+				read-only;
+			};
+
+			partition@30000 {
+				reg = <0x30000 0x10000>;
+				label = "tffs (2)";
+				read-only;
+			};
+		};
+	};
+};
+
+&localbus {
+	flash@1 {
+		compatible = "lantiq,nand-xway";
+		bank-width = <1>;
+		reg = <1 0x0 0x2000000>;
+
+		pinctrl-0 = <&nand_pins>;
+		pinctrl-names = "default";
+
+		nand-ecc-mode = "on-die";
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "kernel";
+				reg = <0x0 0x400000>;
+			};
+
+			partition@400000 {
+				label = "ubi";
+				reg = <0x400000 0x7c00000>;
+			};
+		};
+	};
+};
+
+&usb_phy0 {
+	status = "okay";
+};
+
+&usb_phy1 {
+	status = "okay";
+};
+
+&usb0 {
+	status = "okay";
+	vbus-supply = <&usb0_vbus>;
+};
+
+&usb1 {
+	status = "okay";
+	vbus-supply = <&usb1_vbus>;
+};
+
+&pcie0 {
+	status = "okay";
+	gpio-reset = <&gpio 21 GPIO_ACTIVE_LOW>;
+
+	pcie@0 {
+		reg = <0 0 0 0 0>;
+		#interrupt-cells = <1>;
+		#size-cells = <1>;
+		#address-cells = <2>;
+		device_type = "pci";
+
+		wifi@0,0 {
+			compatible = "pci168c,0033";
+			reg = <0 0 0 0 0>;
+			qca,no-eeprom; /* load from ath9k-eeprom-pci-0000:01:00.0.bin */
+		};
+	};
+};