ARM: at91: add Acme Systems Aria G25 board

# sam9n12

dtb-$(CONFIG_ARCH_AT91) += at91sam9n12ek.dtb

# sam9x5

dtb-$(CONFIG_ARCH_AT91) += at91-ariag25.dtb

dtb-$(CONFIG_ARCH_AT91) += at91sam9g15ek.dtb

dtb-$(CONFIG_ARCH_AT91) += at91sam9g25ek.dtb

dtb-$(CONFIG_ARCH_AT91) += at91sam9g35ek.dtb

/*

 * at91-ariag25.dts - Device Tree file for Acme Systems Aria G25 (AT91SAM9G25 based)

 *

 * Copyright (C) 2013 Douglas Gilbert <dgilbert@interlog.com>,

 *                    Robert Nelson <robertcnelson@gmail.com>

 *

 * Licensed under GPLv2 or later.

 */

/dts-v1/;

/include/ "at91sam9g25.dtsi"

/ {

	model = "Acme Systems Aria G25";

	compatible = "acme,ariag25", "atmel,at91sam9x5ek",

		     "atmel,at91sam9x5", "atmel,at91sam9";

	aliases {

		serial0 = &dbgu;

		serial1 = &usart0;

		serial2 = &usart1;

		serial3 = &usart2;

		serial4 = &usart3;

		serial5 = &uart0;

	};

	chosen {

		bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";

	};

	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>;

		};

	};

	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";

			};

			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 = "okay";

			};

			usart1: serial@f8020000 {

				pinctrl-0 = <&pinctrl_usart1

					     /* &pinctrl_usart1_rts */

					     /* &pinctrl_usart1_cts */

					    >;

				status = "okay";

			};

			usart2: serial@f8024000 {

				/* cannot activate RTS2+CTS2, clash with

				 * ethernet on PB0 and PB1 */

				pinctrl-0 = <&pinctrl_usart2>;

				status = "okay";

			};

			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 = "okay";

			};

			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: serial@f8040000 {

				compatible = "atmel,at91sam9260-usart";

				reg = <0xf8040000 0x200>;

				interrupts = <15 4 5>;

				pinctrl-names = "default";

				pinctrl-0 = <&pinctrl_uart0>;

				status = "okay";

			};

			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 */

					};

				};

			};

		};

		usb0: ohci@00600000 {

			status = "okay";

			num-ports = <3>;

		};

		usb1: ehci@00700000 {

			status = "okay";

		};

	};

	leds {

		compatible = "gpio-leds";

		/* little green LED in middle of Aria G25 module */

		aria_led {

			label = "aria_led";

			gpios = <&pioB 8 0>; /* PB8 */

			linux,default-trigger = "heartbeat";

		};

	};

	onewire@0 {

		compatible = "w1-gpio";

		gpios = <&pioA 21 1>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_w1_0>;

	};

};