ARM: at91: add Acme Systems Aria G25 board

Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/boot/dts/Makefile

@@ -27,6 +27,7 @@ dtb-$(CONFIG_ARCH_AT91) += pm9g45.dtb
 # sam9n12
 dtb-$(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

arch/arm/boot/dts/at91-ariag25.dts

+/*
+ * 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>;
+	};
+};