openwrt/target/linux/ath79/dts/ar9331_arduino_yun.dts

// SPDX-License-Identifier: GPL-2.0-or-later OR MIT

#include "ar9331.dtsi"

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

/ {
	model = "Arduino Yun";
	compatible = "arduino,yun", "qca,ar9331";

	chosen {
		bootargs = "console=ttyATH0,250000";
	};

	ahb {
		apb {
			pinmux_extended: pinmux@18040030 {
				compatible = "pinctrl-single";
				reg = <0x18040030 0x4>;

				pinctrl-single,bit-per-mux;
				pinctrl-single,register-width = <32>;
				pinctrl-single,function-mask = <0x1>;
				#pinctrl-cells = <2>;

				enable_gpio11: pinmux_enable_gpio11 {
					pinctrl-single,bits = <0x0 0x200 0x200>;
				};
			};

			pinmux_bootstrap: pinmux@180600ac {
				compatible = "pinctrl-single";
				reg = <0x180600ac 0x4>;

				pinctrl-single,bit-per-mux;
				pinctrl-single,register-width = <32>;
				pinctrl-single,function-mask = <0x1>;
				#pinctrl-cells = <2>;

				enable_gpio26_gpio27: pinmux_enable_gpio26_gpio27 {
					pinctrl-single,bits = <0x0 0x40000 0x40000>;
				};
			};
		};
	};

	leds {
		compatible = "gpio-leds";

		wlan {
			function = LED_FUNCTION_WLAN;
			color = <LED_COLOR_ID_BLUE>;
			gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "phy0tpt";
		};

		usb {
			function = LED_FUNCTION_USB;
			color = <LED_COLOR_ID_WHITE>;
			gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
			trigger-sources = <&hub_port>;
			linux,default-trigger = "usbport";
		};
	};

	keys {
		compatible = "gpio-keys";

		config {
			label = "config";
			linux,code = <BTN_0>;
			gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
		};
	};

	gpio-export {
		compatible = "gpio-export";

		gpio_spi_enable {
			gpio-export,name = "yun:oe:spi";
			gpio-export,output = <0>;
			gpios = <&gpio 21 GPIO_ACTIVE_HIGH>;
		};

		gpio_handshake_enable {
			gpio-export,name = "yun:oe:hs";
			gpio-export,output = <0>;
			gpios = <&gpio 22 GPIO_ACTIVE_HIGH>;
		};

		gpio_uart_enable {
			gpio-export,name = "yun:oe:uart";
			gpio-export,output = <0>;
			gpios = <&gpio 23 GPIO_ACTIVE_LOW>;
		};
	};

	reg_usb_vbus: reg_usb_vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		enable-active-high;
	};
};

&pinmux {
	pinctrl-names = "default";
	pinctrl-0 = <&jtag_disable_pins &switch_led_disable_pins>;
};

&switch_led_disable_pins {
	pinctrl-single,bits = <0x0 0x80 0xf8>;
};

&pinmux_extended {
	pinctrl-names = "default";
	pinctrl-0 = <&enable_gpio11>;
};

&pinmux_bootstrap {
	pinctrl-names = "default";
	pinctrl-0 = <&enable_gpio26_gpio27>;
};

&usb {
	status = "okay";

	dr_mode = "host";
	vbus-supply = <&reg_usb_vbus>;
};

&usb_phy {
	status = "okay";
};

&spi {
	status = "okay";

	flash@0 {
		compatible = "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <50000000>;

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

			partition@0 {
				label = "u-boot";
				reg = <0x0 0x40000>;
				read-only;
			};

			partition@40000 {
				label = "u-boot-env";
				reg = <0x40000 0x10000>;
			};

			partition@50000 {
				compatible = "denx,uimage";
				label = "firmware";
				reg = <0x50000 0xf90000>;
			};

			partition@fe0000 {
				label = "nvram";
				reg = <0xfe0000 0x10000>;
			};

			partition@ff0000 {
				label = "art";
				reg = <0xff0000 0x10000>;
				read-only;

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

					cal_art_1000: calibration@1000 {
						reg = <0x1000 0x440>;
					};
				};
			};
		};
	};
};

&eth0 {
	status = "okay";
};

&eth1 {
	status = "okay";

	compatible = "syscon", "simple-mfd";
};

&wmac {
	status = "okay";

	nvmem-cells = <&cal_art_1000>;
	nvmem-cell-names = "calibration";
};