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2515e8bb DG |
1 | /* |
2 | * at91-foxg20.dts - Device Tree file for Acme Systems FoxG20 board | |
3 | * | |
4 | * Based on DT files for at91sam9g20ek evaluation board (AT91SAM9G20 SoC) | |
5 | * | |
6 | * Copyright (C) 2013 Douglas Gilbert <dgilbert@interlog.com> | |
7 | * | |
8 | * Licensed under GPLv2 or later. | |
9 | */ | |
10 | /dts-v1/; | |
004a3122 | 11 | #include "at91sam9g20.dtsi" |
2515e8bb DG |
12 | |
13 | / { | |
14 | model = "Acme Systems FoxG20"; | |
15 | compatible = "acme,foxg20", "atmel,at91sam9g20", "atmel,at91sam9"; | |
16 | ||
17 | chosen { | |
18 | bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait"; | |
19 | }; | |
20 | ||
21 | memory { | |
22 | reg = <0x20000000 0x4000000>; | |
23 | }; | |
24 | ||
25 | clocks { | |
32cc703a AB |
26 | slow_xtal { |
27 | clock-frequency = <32768>; | |
28 | }; | |
29 | ||
30 | main_xtal { | |
31 | clock-frequency = <18432000>; | |
32 | }; | |
2515e8bb DG |
33 | }; |
34 | ||
35 | ahb { | |
36 | apb { | |
37 | usb1: gadget@fffa4000 { | |
004a3122 | 38 | atmel,vbus-gpio = <&pioC 6 GPIO_ACTIVE_HIGH>; |
2515e8bb DG |
39 | status = "okay"; |
40 | }; | |
41 | ||
42 | mmc0: mmc@fffa8000 { | |
43 | pinctrl-0 = < | |
44 | &pinctrl_mmc0_clk | |
45 | &pinctrl_mmc0_slot1_cmd_dat0 | |
46 | &pinctrl_mmc0_slot1_dat1_3>; | |
47 | status = "okay"; | |
48 | ||
49 | slot@1 { | |
50 | reg = <1>; | |
51 | bus-width = <4>; | |
52 | }; | |
53 | }; | |
54 | ||
55 | usart0: serial@fffb0000 { | |
56 | pinctrl-0 = | |
57 | <&pinctrl_usart0 | |
58 | &pinctrl_usart0_rts | |
59 | &pinctrl_usart0_cts | |
60 | >; | |
61 | status = "okay"; | |
62 | }; | |
63 | ||
64 | usart1: serial@fffb4000 { | |
65 | status = "okay"; | |
66 | }; | |
67 | ||
68 | usart2: serial@fffb8000 { | |
69 | status = "okay"; | |
70 | }; | |
71 | ||
72 | macb0: ethernet@fffc4000 { | |
73 | phy-mode = "rmii"; | |
74 | status = "okay"; | |
75 | }; | |
76 | ||
77 | usart3: serial@fffd0000 { | |
78 | status = "okay"; | |
79 | }; | |
80 | ||
81 | uart0: serial@fffd4000 { | |
82 | status = "okay"; | |
83 | }; | |
84 | ||
85 | uart1: serial@fffd8000 { | |
86 | status = "okay"; | |
87 | }; | |
88 | ||
89 | dbgu: serial@fffff200 { | |
90 | status = "okay"; | |
91 | }; | |
92 | ||
93 | pinctrl@fffff400 { | |
94 | board { | |
95 | pinctrl_pck0_as_mck: pck0_as_mck { | |
96 | atmel,pins = | |
004a3122 | 97 | <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; |
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98 | }; |
99 | }; | |
100 | ||
101 | mmc0_slot1 { | |
102 | pinctrl_board_mmc0_slot1: mmc0_slot1-board { | |
103 | atmel,pins = | |
004a3122 | 104 | <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* CD pin */ |
2515e8bb DG |
105 | }; |
106 | }; | |
107 | ||
108 | i2c0 { | |
109 | pinctrl_i2c0: i2c0-0 { | |
110 | atmel,pins = | |
004a3122 NF |
111 | <AT91_PIOA 23 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE /* TWD (SDA), open drain */ |
112 | AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE>; /* TWCK (SCL), open drain */ | |
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113 | }; |
114 | }; | |
115 | }; | |
116 | ||
117 | watchdog@fffffd40 { | |
118 | status = "okay"; | |
119 | }; | |
120 | }; | |
121 | ||
cfdc7fa5 | 122 | usb0: ohci@500000 { |
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123 | num-ports = <2>; |
124 | status = "okay"; | |
125 | }; | |
126 | }; | |
127 | ||
e152e3f7 | 128 | i2c-gpio-0 { |
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129 | pinctrl-names = "default"; |
130 | pinctrl-0 = <&pinctrl_i2c0>; | |
131 | i2c-gpio,delay-us = <5>; /* ~85 kHz */ | |
132 | status = "okay"; | |
133 | }; | |
134 | ||
135 | leds { | |
136 | compatible = "gpio-leds"; | |
137 | ||
138 | /* red LED marked "PC7" near mini USB (device) receptacle */ | |
139 | user_led { | |
140 | label = "user_led"; | |
004a3122 | 141 | gpios = <&pioC 7 GPIO_ACTIVE_HIGH>; /* PC7 */ |
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142 | linux,default-trigger = "heartbeat"; |
143 | }; | |
144 | }; | |
145 | ||
146 | gpio_keys { | |
147 | compatible = "gpio-keys"; | |
148 | ||
149 | btn { | |
150 | label = "Button"; | |
004a3122 | 151 | gpios = <&pioC 4 GPIO_ACTIVE_LOW>; |
2515e8bb | 152 | linux,code = <0x103>; |
67ae8b9b | 153 | wakeup-source; |
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154 | }; |
155 | }; | |
156 | }; |