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+/*
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+ * at91-ariag25.dts - Device Tree file for Acme Systems Aria G25 (AT91SAM9G25 based)
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+ *
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+ * Copyright (C) 2013 Douglas Gilbert <dgilbert@interlog.com>,
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+ * Robert Nelson <robertcnelson@gmail.com>
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+ *
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+ * Licensed under GPLv2 or later.
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+ */
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+/dts-v1/;
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+/include/ "at91sam9g25.dtsi"
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+
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+/ {
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+ model = "Acme Systems Aria G25";
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+ compatible = "acme,ariag25", "atmel,at91sam9x5ek",
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+ "atmel,at91sam9x5", "atmel,at91sam9";
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+
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+ aliases {
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+ serial0 = &dbgu;
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+ serial1 = &usart0;
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+ serial2 = &usart1;
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+ serial3 = &usart2;
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+ serial4 = &usart3;
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+ serial5 = &uart0;
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+ };
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+
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+ chosen {
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+ bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";
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+ };
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+
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+ memory {
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+ /* 128 MB, change this for 256 MB revision */
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+ reg = <0x20000000 0x8000000>;
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+ };
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+
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+ clocks {
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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+ ranges;
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+
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+ main_clock: clock@0 {
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+ compatible = "atmel,osc", "fixed-clock";
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+ clock-frequency = <12000000>;
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+ };
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+ };
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+
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+ ahb {
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+ apb {
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+ mmc0: mmc@f0008000 {
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+ /* N.B. Aria has no SD card detect (CD), assumed present */
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+
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+ pinctrl-0 = <
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+ &pinctrl_mmc0_slot0_clk_cmd_dat0
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+ &pinctrl_mmc0_slot0_dat1_3>;
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+ status = "okay";
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+ slot@0 {
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+ reg = <0>;
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+ bus-width = <4>;
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+ };
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+ };
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+
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+ i2c0: i2c@f8010000 {
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+ status = "okay";
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+ };
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+
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+ i2c1: i2c@f8014000 {
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+ status = "okay";
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+ };
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+
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+ /* TWD2+TCLK2 hidden behind ethernet, so no i2c2 */
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+
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+ usart0: serial@f801c000 {
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+ pinctrl-0 = <&pinctrl_usart0
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+ &pinctrl_usart0_rts
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+ &pinctrl_usart0_cts>;
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+ status = "okay";
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+ };
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+
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+ usart1: serial@f8020000 {
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+ pinctrl-0 = <&pinctrl_usart1
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+ /* &pinctrl_usart1_rts */
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+ /* &pinctrl_usart1_cts */
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+ >;
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+ status = "okay";
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+ };
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+
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+ usart2: serial@f8024000 {
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+ /* cannot activate RTS2+CTS2, clash with
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+ * ethernet on PB0 and PB1 */
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+ pinctrl-0 = <&pinctrl_usart2>;
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+ status = "okay";
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+ };
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+
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+ usart3: serial@f8028000 {
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+ compatible = "atmel,at91sam9260-usart";
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+ reg = <0xf8028000 0x200>;
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+ interrupts = <8 4 5>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&pinctrl_usart3
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+ /* &pinctrl_usart3_rts */
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+ /* &pinctrl_usart3_cts */
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+ >;
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+ status = "okay";
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+ };
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+
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+ macb0: ethernet@f802c000 {
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+ phy-mode = "rmii";
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+ /*
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+ * following can be overwritten by bootloader:
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+ * for example u-boot 'ftd set' command
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+ */
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+ local-mac-address = [00 00 00 00 00 00];
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+ status = "okay";
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+ };
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+
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+ uart0: serial@f8040000 {
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+ compatible = "atmel,at91sam9260-usart";
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+ reg = <0xf8040000 0x200>;
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+ interrupts = <15 4 5>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&pinctrl_uart0>;
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+ status = "okay";
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+ };
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+
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+ adc0: adc@f804c000 {
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+ status = "okay";
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+ atmel,adc-channels-used = <0xf>;
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+ atmel,adc-num-channels = <4>;
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+ };
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+
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+ dbgu: serial@fffff200 {
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+ status = "okay";
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+ };
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+
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+ pinctrl@fffff400 {
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+ w1_0 {
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+ pinctrl_w1_0: w1_0-0 {
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+ atmel,pins = <0 21 0x0 0x1>; /* PA21 PIO, pull-up */
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+ };
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+ };
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+ };
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+ };
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+
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+ usb0: ohci@00600000 {
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+ status = "okay";
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+ num-ports = <3>;
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+ };
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+
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+ usb1: ehci@00700000 {
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+ status = "okay";
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+ };
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+ };
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+
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+ leds {
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+ compatible = "gpio-leds";
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+
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+ /* little green LED in middle of Aria G25 module */
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+ aria_led {
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+ label = "aria_led";
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+ gpios = <&pioB 8 0>; /* PB8 */
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+ linux,default-trigger = "heartbeat";
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+ };
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+
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+ };
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+
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+ onewire@0 {
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+ compatible = "w1-gpio";
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+ gpios = <&pioA 21 1>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&pinctrl_w1_0>;
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+ };
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+};
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