linux/linux-5.18.11/arch/arm/boot/dts/at91sam9260ek.dts

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Device Tree file for Atmel at91sam9260 Evaluation Kit
 *
 *  Copyright (C) 2016 Atmel,
 *		  2016 Nicolas Ferre <nicolas.ferre@atmel.com>
 */
/dts-v1/;
#include "at91sam9260.dtsi"
#include <dt-bindings/input/input.h>

/ {
	model = "Atmel at91sam9260ek";
	compatible = "atmel,at91sam9260ek", "atmel,at91sam9260", "atmel,at91sam9";

	chosen {
		stdout-path = &dbgu;
	};

	memory@20000000 {
		reg = <0x20000000 0x4000000>;
	};

	clocks {
		slow_xtal {
			clock-frequency = <32768>;
		};

		main_xtal {
			clock-frequency = <18432000>;
		};
	};

	ahb {
		apb {
			tcb0: timer@fffa0000 {
				timer@0 {
					compatible = "atmel,tcb-timer";
					reg = <0>, <1>;
				};

				timer@2 {
					compatible = "atmel,tcb-timer";
					reg = <2>;
				};
			};

			usb1: gadget@fffa4000 {
				atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
				status = "okay";
			};

			mmc0: mmc@fffa8000 {
				pinctrl-0 = <
					&pinctrl_board_mmc0_slot1
					&pinctrl_mmc0_clk
					&pinctrl_mmc0_slot1_cmd_dat0
					&pinctrl_mmc0_slot1_dat1_3>;
				pinctrl-names = "default";
				status = "okay";
				slot@1 {
					reg = <1>;
					bus-width = <4>;
					cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
				};
			};

			usart0: serial@fffb0000 {
				pinctrl-0 =
					<&pinctrl_usart0
					 &pinctrl_usart0_rts
					 &pinctrl_usart0_cts
					 &pinctrl_usart0_dtr_dsr
					 &pinctrl_usart0_dcd
					 &pinctrl_usart0_ri>;
				status = "okay";
			};

			usart1: serial@fffb4000 {
				status = "okay";
			};

			ssc0: ssc@fffbc000 {
				status = "okay";
				pinctrl-0 = <&pinctrl_ssc0_tx>;
			};

			macb0: ethernet@fffc4000 {
				phy-mode = "rmii";
				status = "okay";
			};

			spi0: spi@fffc8000 {
				cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
				flash@1 {
					compatible = "atmel,at45", "atmel,dataflash";
					spi-max-frequency = <50000000>;
					reg = <1>;
				};
			};

			dbgu: serial@fffff200 {
				status = "okay";
			};

			pinctrl@fffff400 {
				board {
					pinctrl_board_mmc0_slot1: mmc0_slot1-board {
						atmel,pins =
							<AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
					};
				};
			};

			shdwc@fffffd10 {
				atmel,wakeup-counter = <10>;
				atmel,wakeup-rtt-timer;
			};

			rtc@fffffd20 {
				atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
				status = "okay";
			};

			watchdog@fffffd40 {
				status = "okay";
			};

			gpbr: syscon@fffffd50 {
				status = "okay";
			};
		};

		usb0: ohci@500000 {
			num-ports = <2>;
			status = "okay";
		};

		nand0: nand@40000000 {
			nand-bus-width = <8>;
			nand-ecc-mode = "soft";
			nand-on-flash-bbt;
			status = "okay";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";

		btn3 {
			label = "Button 3";
			gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
			linux,code = <0x103>;
			wakeup-source;
		};

		btn4 {
			label = "Button 4";
			gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_PROG1>;
			wakeup-source;
		};
	};

	i2c-gpio-0 {
		status = "okay";

		24c512@50 {
			compatible = "atmel,24c512";
			reg = <0x50>;
		};
	};

	leds {
		compatible = "gpio-leds";

		ds1 {
			label = "ds1";
			gpios = <&pioA 9 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};

		ds5 {
			label = "ds5";
			gpios = <&pioA 6 GPIO_ACTIVE_LOW>;
		};
	};
};