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path: root/target/linux/ath79/dts/ar9344_teltonika_rut955.dts
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// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>

#include "ar9344.dtsi"

/ {
	model = "Teltonika RUT955";
	compatible = "teltonika,rut955", "qca,ar9344";

	aliases {
		serial0 = &uart;
		serial1 = &hs_uart;
		led-boot = &led_system_green;
		led-failsafe = &led_system_red;
		led-running = &led_system_green;
		led-upgrade = &led_system_red;
		label-mac-device = &eth1;
	};

	i2c {
		compatible = "i2c-gpio";
		scl-gpios = <&gpio 16 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
		sda-gpios = <&gpio 17 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
		#address-cells = <1>;
		#size-cells = <0>;

		hwmon@4d {
			compatible = "microchip,mcp3221";
			reg = <0x4d>;
		};
	};

	leds {
		compatible = "gpio-leds";

		signal1 {
			label = "rut955:green:signal1";
			gpios = <&gpio_ext 0 GPIO_ACTIVE_HIGH>;
		};

		signal2 {
			label = "rut955:green:signal2";
			gpios = <&gpio_ext 1 GPIO_ACTIVE_HIGH>;
		};

		signal3 {
			label = "rut955:green:signal3";
			gpios = <&gpio_ext 2 GPIO_ACTIVE_HIGH>;
		};

		signal4 {
			label = "rut955:green:signal4";
			gpios = <&gpio_ext 3 GPIO_ACTIVE_HIGH>;
		};

		signal5 {
			label = "rut955:green:signal5";
			gpios = <&gpio_ext 4 GPIO_ACTIVE_HIGH>;
		};

		led_system_red: system_red {
			label = "rut955:red:system";
			gpios = <&gpio_ext 5 GPIO_ACTIVE_HIGH>;
		};

		led_system_green: system_green {
			label = "rut955:green:system";
			gpios = <&gpio_ext 6 GPIO_ACTIVE_HIGH>;
			default-state = "on";
		};
	};

	keys {
		compatible = "gpio-keys";

		reset {
			label = "reset";
			linux,code = <KEY_RESTART>;
			gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
			debounce-interval = <60>;
		};
	};
};

&gpio {
	pinctrl-names = "default";
	pinctrl-0 = <&jtag_disable_pins>;

	gpio-line-names = "RS485_D", "led_wan", "DIN3", "mmc_cs",
		"ext_sck", "", "", "",
		"", "", "", "",
		"ext_mosi", "led_lan2", "led_lan1", "",
		"i2c_scl", "i2c_sda", "", "DIN2",
		"ext_cs", "DIN1", "led_lan3", "",
		"", "", "", "",
		"", "", "", "";

	ext_sck {
		gpio-hog;
		gpios = <4 GPIO_ACTIVE_HIGH>;
		output-high;
		line-name = "rut955:ext:sck";
	};

	ext_mosi {
		gpio-hog;
		gpios = <12 GPIO_ACTIVE_HIGH>;
		output-high;
		line-name = "rut955:ext:mosi";
	};

	ext_cs {
		gpio-hog;
		gpios = <20 GPIO_ACTIVE_HIGH>;
		output-low;
		line-name = "rut955:ext:cs";
	};

	mmc_cs {
		gpio-hog;
		gpios = <3 GPIO_ACTIVE_HIGH>;
		output-high;
		line-name = "rut955:mmc:cs";
	};

	uart1_td {
		gpio-hog;
		gpios = <18 GPIO_ACTIVE_HIGH>;
		output-high;
		line-name = "rut955:uart1:td";
	};

	uart1_rd {
		gpio-hog;
		gpios = <11 GPIO_ACTIVE_LOW>;
		input;
		line-name = "rut955:uart1:rd";
	};

	led_wan {
		gpio-hog;
		gpios = <1 GPIO_ACTIVE_HIGH>;
		output-high;
		line-name = "rut955:led:wan";
	};

	led_lan2 {
		gpio-hog;
		gpios = <13 GPIO_ACTIVE_HIGH>;
		output-high;
		line-name = "rut955:led:lan2";
	};

	led_lan1 {
		gpio-hog;
		gpios = <14 GPIO_ACTIVE_HIGH>;
		output-high;
		line-name = "rut955:led:lan1";
	};

	led_lan3 {
		gpio-hog;
		gpios = <22 GPIO_ACTIVE_HIGH>;
		output-high;
		line-name = "rut955:led:lan3";
	};
};

&ref {
	clock-frequency = <40000000>;
};

&uart {
	status = "okay";
};

&hs_uart {
	status = "okay";

	pinctrl-names = "default";
	pinctrl-0 = <&pmx_uart2>;

	rts-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
	rs485-rts-active-low;
	linux,rs485-enabled-at-boot-time;
};

&spi {
	status = "okay";

	num-cs = <3>;
	pinctrl-names = "default";
	pinctrl-0 = <&pmx_spi>;

	flash@0 {
		compatible = "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <25000000>;

		partitions {
			compatible = "fixed-partitions";
			#address-cells = <1>;
			#size-cells = <1>;

			partition@0 {
				label = "u-boot";
				reg = <0x0 0x20000>;
				read-only;
			};

			config: partition@20000 {
				label = "config";
				reg = <0x20000 0x10000>;
				read-only;
			};

			art: partition@30000 {
				label = "art";
				reg = <0x30000 0x10000>;
				read-only;
			};

			partition@40000 {
				label = "firmware";
				reg = <0x40000 0xf30000>;
				compatible = "tplink,firmware";
			};

			partition@f70000 {
				label = "event-log";
				reg = <0xf70000 0x90000>;
				read-only;
			};
		};
	};

	microsd@1 {
		status = "disabled";

		compatible = "mmc-spi-slot";
		spi-max-frequency = <25000000>;
		reg = <1>;
		voltage-ranges = <3200 3400>;
		broken-cd;
	};

	gpio_ext: gpio_ext@2 {
		compatible = "fairchild,74hc595";
		reg = <2>;
		gpio-controller;
		#gpio-cells = <2>;
		registers-number = <2>;
		spi-max-frequency = <10000000>;
		gpio-line-names = "led_signal_bar1", "led_signal_bar2", "led_signal_bar3", "led_signal_bar4",
			"led_signal_bar5", "led_status_red", "led_status_green", "sim_sel",
			"DOUT1", "DOUT2", "modem_vbus", "modem_rst",
			"DOUT3", "RS485_R", "SDCS", "HWRST";
	};
};

&usb {
	#address-cells = <1>;
	#size-cells = <0>;
	status = "okay";

	port@1 {
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <1>;

		port@1 {
			compatible = "usb-a-connector";
			reg = <1>;
		};

		port@3 {
			label = "RS-232 serial adapter";
			reg = <3>;
		};

		port@4 {
			label = "internal wwan modem";
			reg = <4>;
		};
	};
};

&usb_phy {
	status = "okay";
};

&wmac {
	status = "okay";

	mtd-cal-data = <&art 0x1000>;
	mtd-mac-address = <&config 0x0>;
	mtd-mac-address-increment = <2>;
};

&eth0 {
	status = "okay";

	phy-handle = <&swphy4>;

	mtd-mac-address = <&config 0x0>;
	mtd-mac-address-increment = <1>;
};

&eth1 {
	status = "okay";

	mtd-mac-address = <&config 0x0>;
};

&builtin_switch {
	pinctrl-names = "default";
	pinctrl-0 = <&pmx_leds_switch>;
};

&pinmux {
	pmx_spi: spi {
		// SPI_CS1 on GPIO 3, 2nd SCK on GPIO 4
		// 2nd MOSI on GPIO 12, SPI_CS2 on GPIO 20
		pinctrl-single,bits = <0x0 0x07000000 0xff000000>,
					<0x4 0x0a 0xff>,
					<0xc 0x0b 0xff>,
					<0x14 0x08 0xff>;
	};

	pmx_leds_switch: leds_switch {
		// switch port LEDs on GPIO 1, GPIO 13, GPIO 14 and GPIO 22
		pinctrl-single,bits =  <0x0 0x00002d00 0x0000ff00>,
					<0xc 0x002c2b00 0x00ffff00>,
					<0x14 0x002a0000 0x00ff0000>;
	};

	pmx_uart2: uart2 {
		// UART1_DTR on GPIO 0, UART1_RD on GPIO 11, UART1_TD on GPIO 18
		pinctrl-single,bits = <0x0 0x0 0xff>,
				<0x10 0x4f000000 0xff000000>,
				<0x3c 0x000b0000 0x00ff0000>;
	};
};