xref: /OK3568_Linux_fs/u-boot/arch/arm/dts/at91sam9g45-gurnard.dts (revision 4882a59341e53eb6f0b4789bf948001014eff981)

/*
 * at91sam9g20ek.dts - Device Tree file for Atmel at91sam9g20ek board
 *
 * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
 *
 * Licensed under GPLv2.
 */
/dts-v1/;
#include "at91sam9g45.dtsi"

/ {
	model = "Bluewater Systems Gurnard";
	compatible = "atmel,at91sam9g45", "atmel,at91sam9";

	chosen {
		bootargs = "mem=64M root=/dev/mtdblock5 rw rootfstype=ubifs";
		stdout-path = "serial0:115200n8";
	};

	memory {
		reg = <0x20000000 0x8000000>;
	};

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

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

	ahb {
		u-boot,dm-pre-reloc;

		fb@0x00500000 {
			u-boot,dm-pre-reloc;
			status = "okay";
			display-timings {
				rev1 {
					clock-frequency = <4166666>;
					hactive = <480>;
					vactive = <272>;
					hfront-porch = <1>;
					hback-porch = <1>;
					hsync-len = <1>;
					vback-porch = <4>;
					vfront-porch = <2>;
					vsync-len = <1>;
					hsync-active = <0>;
					vsync-active = <0>;
				};

				rev2 {
					clock-frequency = <4166666>;
					hactive = <480>;
					vactive = <272>;
					hfront-porch = <2>;
					hback-porch = <2>;
					hsync-len = <10>;
					vback-porch = <2>;
					vfront-porch = <2>;
					vsync-len = <10>;
					hsync-active = <0>;
					vsync-active = <0>;
				};
			};
		};

		apb {
			pinctrl@fffff400 {
				board {
					pinctrl_pck0_as_mck: pck0_as_mck {
						atmel,pins =
							<AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;	/* PC1 periph B */
					};

				};

				mmc0_slot1 {
					pinctrl_board_mmc0_slot1: mmc0_slot1-board {
						atmel,pins =
							<AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;	/* PC9 gpio CD pin pull up and deglitch */
					};
				};
			};

			dbgu: serial@ffffee00 {
				status = "okay";
			};

			macb0: ethernet@fffbc000 {
				phy-mode = "rmii";
				status = "okay";
			};

			mmc0: mmc@fff80000 {
				pinctrl-0 = <
					&pinctrl_board_mmc0_slot1
					&pinctrl_mmc0_slot0_clk_cmd_dat0
					&pinctrl_mmc0_slot0_dat1_3>;
				status = "okay";
				slot@1 {
					reg = <1>;
					bus-width = <4>;
					cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
				};
			};

			ssc0: ssc@fff9c000 {
				status = "okay";
				pinctrl-0 = <&pinctrl_ssc0_tx>;
			};

			spi0: spi@fffa4000 {
				cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
				mtd_dataflash@0 {
					compatible = "atmel,at45", "atmel,dataflash";
					spi-max-frequency = <50000000>;
					reg = <1>;
				};
			};

			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@fffffd60 {
				status = "okay";
			};
		};

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

		usb1: ehci@00800000 {
			atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
			status = "okay";
		};
	};

};