lantiq: remove support for kernel 4.19

The target uses 5.4 as default kernel since 06/2020.

Kernel 4.19 support is not really maintained anymore, it does not
seem to be needed and upcoming changes (mainly DSA) will break
backward-compatibility anyway.

Thus, make maintaining of old stuff and reviewing of new stuff
easier by removing support for kernel 4.19.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

1 files changed, 200 insertions, 0 deletions

diff --git a/target/linux/lantiq/files/arch/mips/boot/dts/lantiq/danube_arcadyan_arv4518pwr01.dtsi b/target/linux/lantiq/files/arch/mips/boot/dts/lantiq/danube_arcadyan_arv4518pwr01.dtsi
new file mode 100644
index 0000000000..48fe88fea8
--- /dev/null
+++ b/target/linux/lantiq/files/arch/mips/boot/dts/lantiq/danube_arcadyan_arv4518pwr01.dtsi
@@ -0,0 +1,200 @@
+#include "danube.dtsi"
+
+#include <dt-bindings/input/input.h>
+
+/ {
+	chosen {
+		bootargs = "console=ttyLTQ0,115200";
+	};
+
+	aliases {
+		led-boot = &power;
+		led-failsafe = &power;
+		led-running = &power;
+		led-upgrade = &power;
+
+		led-dsl = &dsl;
+		led-internet = &online;
+		led-usb = &led_usb;
+		led-wifi = &wifi;
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x4000000>;
+	};
+
+	ath5k_eep {
+		compatible = "ath5k,eeprom";
+		ath,eep-flash = <&boardconfig 0x400>;
+		ath,mac-offset = <0x16>;
+		ath,mac-increment = <1>;
+		ath,eep-swap;
+	};
+
+	keys {
+		compatible = "gpio-keys-polled";
+		poll-interval = <100>;
+
+		rfkill {
+			label = "rfkill";
+			gpios = <&gpio 28 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RFKILL>;
+		};
+		reset {
+			label = "reset";
+			gpios = <&gpio 30 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		power: power {
+			label = "power";
+			gpios = <&gpio 3 GPIO_ACTIVE_HIGH>;
+			default-state = "keep";
+		};
+		dsl: dsl {
+			label = "dsl";
+			gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
+		};
+		online: online {
+			label = "online";
+			gpios = <&gpio 5 GPIO_ACTIVE_LOW>;
+		};
+		wifi: wifi {
+			label = "wifi";
+			gpios = <&gpio 6 GPIO_ACTIVE_LOW>;
+		};
+		wps {
+			label = "wps";
+			gpios = <&gpio 7 GPIO_ACTIVE_LOW>;
+		};
+		dsl2 {
+			label = "dsl2";
+			gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
+		};
+		led_usb: usb {
+			label = "usb";
+			gpios = <&gpio 19 GPIO_ACTIVE_LOW>;
+		};
+		voice {
+			label = "voice";
+			gpios = <&gpiomm 0 GPIO_ACTIVE_LOW>;
+		};
+		fxs1 {
+			label = "fxs1";
+			gpios = <&gpiomm 1 GPIO_ACTIVE_LOW>;
+		};
+		fxs2 {
+			label = "fxs2";
+			gpios = <&gpiomm 2 GPIO_ACTIVE_LOW>;
+		};
+		fxo {
+			label = "fxo";
+			gpios = <&gpiomm 3 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	usb_vbus: regulator-usb-vbus {
+		compatible = "regulator-fixed";
+
+		regulator-name = "USB_VBUS";
+
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+
+		gpio = <&gpio 14 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+};
+
+&gpio {
+	pinctrl-names = "default";
+	pinctrl-0 = <&state_default>;
+
+	state_default: pinmux {
+		ebu {
+			lantiq,groups = "ebu cs1";
+			lantiq,function = "ebu";
+		};
+	};
+};
+
+&gsw {
+	phy-mode = "mii";
+	mtd-mac-address = <&boardconfig 0x16>;
+};
+
+&localbus {
+	flash@0 {
+		compatible = "lantiq,nor";
+		bank-width = <2>;
+		reg = <0 0x0 0x2000000>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "uboot";
+				reg = <0x00000 0x10000>; /* 64 KB */
+				read-only;
+			};
+
+			partition@10000 {
+				label = "u-boot-env";
+				reg = <0x10000 0x10000>; /* 64 KB */
+				read-only;
+			};
+
+			partition@20000 {
+				label = "firmware";
+				reg = <0x20000 0x3d0000>;
+			};
+
+			boardconfig: partition@3f0000 {
+				label = "boardconfig";
+				reg = <0x3f0000 0x10000>;
+				read-only;
+			};
+		};
+	};
+
+	gpiomm: gpio@1 {
+		compatible = "lantiq,gpio-mm";
+		reg = <1 0x0 0x10 >;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		#gpio-cells = <2>;
+		gpio-controller;
+		lantiq,shadow = <0x0>;
+	};
+};
+
+&pci0 {
+	status = "okay";
+
+	pinctrl-0 = <&pci_gnt1_pins>, <&pci_gnt2_pins>,
+		    <&pci_req1_pins>, <&pci_req2_pins>;
+	pinctrl-names = "default";
+
+	gpio-reset = <&gpio 21 GPIO_ACTIVE_HIGH>;
+	req-mask = <0xf>;
+};
+
+&usb_phy {
+	status = "okay";
+};
+
+&usb {
+	status = "okay";
+	vbus-supply = <&usb_vbus>;
+};
+
+&vmmc {
+	status = "okay";
+	gpios = <&gpio 31 GPIO_ACTIVE_HIGH>;
+};