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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 { | |
26 | #address-cells = <1>; | |
27 | #size-cells = <1>; | |
28 | ranges; | |
29 | ||
30 | main_clock: clock@0 { | |
31 | compatible = "atmel,osc", "fixed-clock"; | |
32 | clock-frequency = <18432000>; | |
33 | }; | |
34 | }; | |
35 | ||
36 | ahb { | |
37 | apb { | |
38 | usb1: gadget@fffa4000 { | |
004a3122 | 39 | atmel,vbus-gpio = <&pioC 6 GPIO_ACTIVE_HIGH>; |
2515e8bb DG |
40 | status = "okay"; |
41 | }; | |
42 | ||
43 | mmc0: mmc@fffa8000 { | |
44 | pinctrl-0 = < | |
45 | &pinctrl_mmc0_clk | |
46 | &pinctrl_mmc0_slot1_cmd_dat0 | |
47 | &pinctrl_mmc0_slot1_dat1_3>; | |
48 | status = "okay"; | |
49 | ||
50 | slot@1 { | |
51 | reg = <1>; | |
52 | bus-width = <4>; | |
53 | }; | |
54 | }; | |
55 | ||
56 | usart0: serial@fffb0000 { | |
57 | pinctrl-0 = | |
58 | <&pinctrl_usart0 | |
59 | &pinctrl_usart0_rts | |
60 | &pinctrl_usart0_cts | |
61 | >; | |
62 | status = "okay"; | |
63 | }; | |
64 | ||
65 | usart1: serial@fffb4000 { | |
66 | status = "okay"; | |
67 | }; | |
68 | ||
69 | usart2: serial@fffb8000 { | |
70 | status = "okay"; | |
71 | }; | |
72 | ||
73 | macb0: ethernet@fffc4000 { | |
74 | phy-mode = "rmii"; | |
75 | status = "okay"; | |
76 | }; | |
77 | ||
78 | usart3: serial@fffd0000 { | |
79 | status = "okay"; | |
80 | }; | |
81 | ||
82 | uart0: serial@fffd4000 { | |
83 | status = "okay"; | |
84 | }; | |
85 | ||
86 | uart1: serial@fffd8000 { | |
87 | status = "okay"; | |
88 | }; | |
89 | ||
90 | dbgu: serial@fffff200 { | |
91 | status = "okay"; | |
92 | }; | |
93 | ||
94 | pinctrl@fffff400 { | |
95 | board { | |
96 | pinctrl_pck0_as_mck: pck0_as_mck { | |
97 | atmel,pins = | |
004a3122 | 98 | <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; |
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99 | }; |
100 | }; | |
101 | ||
102 | mmc0_slot1 { | |
103 | pinctrl_board_mmc0_slot1: mmc0_slot1-board { | |
104 | atmel,pins = | |
004a3122 | 105 | <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* CD pin */ |
2515e8bb DG |
106 | }; |
107 | }; | |
108 | ||
109 | i2c0 { | |
110 | pinctrl_i2c0: i2c0-0 { | |
111 | atmel,pins = | |
004a3122 NF |
112 | <AT91_PIOA 23 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE /* TWD (SDA), open drain */ |
113 | AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE>; /* TWCK (SCL), open drain */ | |
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114 | }; |
115 | }; | |
116 | }; | |
117 | ||
118 | watchdog@fffffd40 { | |
119 | status = "okay"; | |
120 | }; | |
121 | }; | |
122 | ||
123 | usb0: ohci@00500000 { | |
124 | num-ports = <2>; | |
125 | status = "okay"; | |
126 | }; | |
127 | }; | |
128 | ||
129 | i2c@0 { | |
130 | pinctrl-names = "default"; | |
131 | pinctrl-0 = <&pinctrl_i2c0>; | |
132 | i2c-gpio,delay-us = <5>; /* ~85 kHz */ | |
133 | status = "okay"; | |
134 | }; | |
135 | ||
136 | leds { | |
137 | compatible = "gpio-leds"; | |
138 | ||
139 | /* red LED marked "PC7" near mini USB (device) receptacle */ | |
140 | user_led { | |
141 | label = "user_led"; | |
004a3122 | 142 | gpios = <&pioC 7 GPIO_ACTIVE_HIGH>; /* PC7 */ |
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143 | linux,default-trigger = "heartbeat"; |
144 | }; | |
145 | }; | |
146 | ||
147 | gpio_keys { | |
148 | compatible = "gpio-keys"; | |
149 | ||
150 | btn { | |
151 | label = "Button"; | |
004a3122 | 152 | gpios = <&pioC 4 GPIO_ACTIVE_LOW>; |
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153 | linux,code = <0x103>; |
154 | gpio-key,wakeup; | |
155 | }; | |
156 | }; | |
157 | }; |