/*
 * mymachine.dts - Device Tree file for board, base AT91sam9g25
 * 							  - Board rev V1R1
 *
 * Copyright (C) 2014 Lucas Zampar Bernardi <lucas.zampar@gmail.com>
 *
 * Licensed under GPLv2 or later.
 */
/dts-v1/;
#include "at91sam9g25.dtsi"

/ {
	model = "MyMachine";
	compatible = "zampar,mymachine-v1r1", "atmel,at91sam9x5ek",
		     "atmel,at91sam9x5", "atmel,at91sam9";

	aliases {
		serial0 = &dbgu;
		serial1 = &usart0;
		serial2 = &usart1;
		serial3 = &usart2;
		serial4 = &usart3;
		serial5 = &uart0;
		serial6 = &uart1;
	};

	chosen {
		bootargs = "console=ttyS0,115200 earlyprintk mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,256k(env),256k(env_redundant),256k(spare),512k(dtb),6M(kernel)ro,-(rootfs) rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw";
	};

	memory {
		/* 128 MB, change this for 256 MB revision */
		reg = <0x20000000 0x8000000>;
	};

		
	clocks {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		main_clock: clock@0 {
			compatible = "atmel,osc", "fixed-clock";
			clock-frequency = <12000000>;
		};

		mcp2515_clock: mcp25515_clock {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <20000000>;
		
	};


	};
		
	ahb {
		apb {
			mmc0: mmc@f0008000 {
				/* N.B. Aria has no SD card detect (CD), assumed present */

				pinctrl-0 = <
					&pinctrl_mmc0_slot0_clk_cmd_dat0
					&pinctrl_mmc0_slot0_dat1_3>;
				status = "okay";
				slot@0 {
					reg = <0>;
					bus-width = <4>;
				};
			};

			i2c0: i2c@f8010000 {
				status = "okay";
				
					24c512@50 {
					compatible = "24c512";
					reg = <0x50>;
					pagesize = <128>;
					};
			};

			i2c1: i2c@f8014000 {
				status = "okay";
			};

			/* TWD2+TCLK2 hidden behind ethernet, so no i2c2 */

			usart0: serial@f801c000 {
				pinctrl-0 = <&pinctrl_usart0
					     &pinctrl_usart0_rts
					     &pinctrl_usart0_cts>;
				status = "disabled";
			};

			usart1: serial@f8020000 {
				pinctrl-0 = <&pinctrl_usart1
					     /* &pinctrl_usart1_rts */
					     /* &pinctrl_usart1_cts */
					    >;
				status = "disabled";
			};

			usart2: serial@f8024000 {
				/* cannot activate RTS2+CTS2, clash with
				 * ethernet on PB0 and PB1 */
				pinctrl-0 = <&pinctrl_usart2>;
				status = "disabled";
			};

			usart3: serial@f8028000 {
				compatible = "atmel,at91sam9260-usart";
				reg = <0xf8028000 0x200>;
				interrupts = <8 4 5>;
				pinctrl-names = "default";
				pinctrl-0 = <&pinctrl_usart3
					     /* &pinctrl_usart3_rts */
					     /* &pinctrl_usart3_cts */
					    >;
				status = "disabled";
			};

			macb0: ethernet@f802c000 {
				phy-mode = "rmii";
				/*
				 * following can be overwritten by bootloader:
				 * for example u-boot 'ftd set' command
				 */
				local-mac-address = [00 00 00 00 00 00];
				status = "okay";
			};

			/*
			 * UART0/1 pins are marked as GPIO on
			 * Aria documentation.
			 * Change to "okay" if you need additional serial ports
			 */
			uart0: serial@f8040000 {
				status = "disabled";
			};

			uart1: serial@f8044000 {
				status = "disabled";
			};

			adc0: adc@f804c000 {
				status = "okay";
				atmel,adc-channels-used = <0xf>;
				atmel,adc-num-channels = <4>;
			};

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

			pinctrl@fffff400 {
				w1_0 {
					pinctrl_w1_0: w1_0-0 {
						atmel,pins = <0 21 0x0 0x1>; /* PA21 PIO, pull-up */
					};

				};
				
				mcp251x_0 {
					pinctrl_mcp251x_0: mcp251x_0-0 {
						atmel,pins = <AT91_PIOC 12 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;		/* PC12 periph GPIO - INT */
					};
				};
					
					
			};

			rtc@fffffeb0 {
				status = "okay";
			};
			
			
			spi0: spi@f0000000 {
				status = "okay";
				interrupts = <13 4 5>;
				cs-gpios = <&pioA 14 0>, <&pioA 7 0>, <&pioA 1 0>, <0>;

       			

        			
				mtd_dataflash@0 {
					compatible = "atmel,at45", "atmel,dataflash";
					spi-max-frequency = <10000000>;
					reg = <0>;
				};
				
				can0: can@1 {
					compatible = "microchip,mcp2515";
					reg = <2>;
					spi-max-frequency = <10000000>;
					clocks = <&mcp2515_clock>;
					pinctrl-names = "default";
					pinctrl-0 = <&pinctrl_mcp251x_0>;
					interrupt-parent = <&pioC>;
					interrupts = <12 2>;
				};
		};

	};
	
		usb0: ohci@00600000 {
			status = "okay";
			num-ports = <3>;
		};

		usb1: ehci@00700000 {
			status = "okay";
		};
		
		nand0: nand@40000000 {
			nand-bus-width = <8>;
			nand-ecc-mode = "hw";
			atmel,has-pmecc;	/* Enable PMECC */
			atmel,pmecc-cap = <2>;
			atmel,pmecc-sector-size = <512>;
			nand-on-flash-bbt;
			status = "okay";

			at91bootstrap@0 {
				label = "at91bootstrap";
				reg = <0x0 0x40000>;
			};

			uboot@40000 {
				label = "u-boot";
				reg = <0x40000 0x80000>;
			};

			ubootenv@c0000 {
				label = "U-Boot Env";
				reg = <0xc0000 0x140000>;
			};

			kernel@200000 {
				label = "kernel";
				reg = <0x200000 0x600000>;
			};

			rootfs@800000 {
				label = "rootfs";
				reg = <0x800000 0x1f800000>;
			};
		};
		
	};

	leds {
		compatible = "gpio-leds";

		/* little green LED in middle of cpu module */
		module_led {
			label = "module_led";
			gpios = <&pioB 8 GPIO_ACTIVE_HIGH>; /* PB8 */
			linux,default-trigger = "heartbeat";
		};

		cpu_led {
			label = "cpu_led";
			gpios = <&pioA 29 GPIO_ACTIVE_HIGH>; /* PA29 */
			linux,default-trigger = "heartbeat";
		};

		busy_led {
			label = "busy_led";
			gpios = <&pioA 28 GPIO_ACTIVE_HIGH>; /* PA28 */
			linux,default-trigger = "heartbeat";
		};
		
		fail_led {
			label = "fail_led";
			gpios = <&pioA 27 GPIO_ACTIVE_HIGH>; /* PA27 */
			linux,default-trigger = "heartbeat";
		};
				
	};
	
	gpio_keys {
		compatible = "gpio-keys";

		transfer_button {
			label = "transfer_button";
			gpios = <&pioA 26 GPIO_ACTIVE_LOW>;
			linux,code = <183>; /* F13 Key */
			gpio-key,wakeup;
		};

		custom_button {
			label = "custom_button";
			gpios = <&pioA 25 GPIO_ACTIVE_LOW>;
			linux,code = <184>; /* F14 Key */
			gpio-key,wakeup;
		};
	};
	

	onewire@0 {
		compatible = "w1-gpio";
		gpios = <&pioA 21 GPIO_ACTIVE_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_w1_0>;
	};
};