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Douglas Gilbert0d67c9e2013-04-04 17:36:49 +02001/*
2 * at91-ariag25.dts - Device Tree file for Acme Systems Aria G25 (AT91SAM9G25 based)
3 *
4 * Copyright (C) 2013 Douglas Gilbert <dgilbert@interlog.com>,
5 * Robert Nelson <robertcnelson@gmail.com>
6 *
7 * Licensed under GPLv2 or later.
8 */
9/dts-v1/;
Jean-Christophe PLAGNIOL-VILLARD6db64d22013-05-15 01:21:50 +080010#include "at91sam9g25.dtsi"
Douglas Gilbert0d67c9e2013-04-04 17:36:49 +020011
12/ {
13 model = "Acme Systems Aria G25";
14 compatible = "acme,ariag25", "atmel,at91sam9x5ek",
15 "atmel,at91sam9x5", "atmel,at91sam9";
16
17 aliases {
18 serial0 = &dbgu;
19 serial1 = &usart0;
20 serial2 = &usart1;
21 serial3 = &usart2;
22 serial4 = &usart3;
23 serial5 = &uart0;
Nicolas Ferre7d813be2013-04-18 12:36:25 +020024 serial6 = &uart1;
Douglas Gilbert0d67c9e2013-04-04 17:36:49 +020025 };
26
27 chosen {
28 bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";
29 };
30
31 memory {
32 /* 128 MB, change this for 256 MB revision */
33 reg = <0x20000000 0x8000000>;
34 };
35
36 clocks {
37 #address-cells = <1>;
38 #size-cells = <1>;
39 ranges;
40
41 main_clock: clock@0 {
42 compatible = "atmel,osc", "fixed-clock";
43 clock-frequency = <12000000>;
44 };
Alexandre Belloni152f3002014-06-14 02:18:24 +020045
46 slow_xtal {
47 clock-frequency = <32768>;
48 };
49
50 main_xtal {
51 clock-frequency = <12000000>;
52 };
Douglas Gilbert0d67c9e2013-04-04 17:36:49 +020053 };
54
55 ahb {
56 apb {
57 mmc0: mmc@f0008000 {
58 /* N.B. Aria has no SD card detect (CD), assumed present */
59
60 pinctrl-0 = <
61 &pinctrl_mmc0_slot0_clk_cmd_dat0
62 &pinctrl_mmc0_slot0_dat1_3>;
63 status = "okay";
64 slot@0 {
65 reg = <0>;
66 bus-width = <4>;
67 };
68 };
69
70 i2c0: i2c@f8010000 {
71 status = "okay";
72 };
73
74 i2c1: i2c@f8014000 {
75 status = "okay";
76 };
77
78 /* TWD2+TCLK2 hidden behind ethernet, so no i2c2 */
79
80 usart0: serial@f801c000 {
81 pinctrl-0 = <&pinctrl_usart0
82 &pinctrl_usart0_rts
83 &pinctrl_usart0_cts>;
84 status = "okay";
85 };
86
87 usart1: serial@f8020000 {
88 pinctrl-0 = <&pinctrl_usart1
89 /* &pinctrl_usart1_rts */
90 /* &pinctrl_usart1_cts */
91 >;
92 status = "okay";
93 };
94
95 usart2: serial@f8024000 {
96 /* cannot activate RTS2+CTS2, clash with
97 * ethernet on PB0 and PB1 */
98 pinctrl-0 = <&pinctrl_usart2>;
99 status = "okay";
100 };
101
102 usart3: serial@f8028000 {
103 compatible = "atmel,at91sam9260-usart";
104 reg = <0xf8028000 0x200>;
105 interrupts = <8 4 5>;
106 pinctrl-names = "default";
107 pinctrl-0 = <&pinctrl_usart3
108 /* &pinctrl_usart3_rts */
109 /* &pinctrl_usart3_cts */
110 >;
111 status = "okay";
112 };
113
114 macb0: ethernet@f802c000 {
115 phy-mode = "rmii";
116 /*
117 * following can be overwritten by bootloader:
118 * for example u-boot 'ftd set' command
119 */
120 local-mac-address = [00 00 00 00 00 00];
121 status = "okay";
122 };
123
Nicolas Ferre7d813be2013-04-18 12:36:25 +0200124 /*
125 * UART0/1 pins are marked as GPIO on
126 * Aria documentation.
127 * Change to "okay" if you need additional serial ports
128 */
Douglas Gilbert0d67c9e2013-04-04 17:36:49 +0200129 uart0: serial@f8040000 {
Nicolas Ferre7d813be2013-04-18 12:36:25 +0200130 status = "disabled";
131 };
132
133 uart1: serial@f8044000 {
134 status = "disabled";
Douglas Gilbert0d67c9e2013-04-04 17:36:49 +0200135 };
136
137 adc0: adc@f804c000 {
138 status = "okay";
139 atmel,adc-channels-used = <0xf>;
Douglas Gilbert0d67c9e2013-04-04 17:36:49 +0200140 };
141
142 dbgu: serial@fffff200 {
143 status = "okay";
144 };
145
146 pinctrl@fffff400 {
147 w1_0 {
148 pinctrl_w1_0: w1_0-0 {
149 atmel,pins = <0 21 0x0 0x1>; /* PA21 PIO, pull-up */
150 };
151 };
152 };
Nicolas Ferrecbc768f2013-04-18 10:35:08 +0200153
154 rtc@fffffeb0 {
155 status = "okay";
156 };
Douglas Gilbert0d67c9e2013-04-04 17:36:49 +0200157 };
158
159 usb0: ohci@00600000 {
160 status = "okay";
161 num-ports = <3>;
162 };
163
164 usb1: ehci@00700000 {
165 status = "okay";
166 };
167 };
168
169 leds {
170 compatible = "gpio-leds";
171
172 /* little green LED in middle of Aria G25 module */
173 aria_led {
174 label = "aria_led";
Jean-Christophe PLAGNIOL-VILLARD92f86292013-04-24 08:34:25 +0800175 gpios = <&pioB 8 GPIO_ACTIVE_HIGH>; /* PB8 */
Douglas Gilbert0d67c9e2013-04-04 17:36:49 +0200176 linux,default-trigger = "heartbeat";
177 };
178
179 };
180
181 onewire@0 {
182 compatible = "w1-gpio";
Jean-Christophe PLAGNIOL-VILLARD92f86292013-04-24 08:34:25 +0800183 gpios = <&pioA 21 GPIO_ACTIVE_LOW>;
Douglas Gilbert0d67c9e2013-04-04 17:36:49 +0200184 pinctrl-names = "default";
185 pinctrl-0 = <&pinctrl_w1_0>;
186 };
187};