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1 | /* | |
2 | * at91sam9n12ek.dts - Device Tree file for AT91SAM9N12-EK board | |
3 | * | |
4 | * Copyright (C) 2012 Atmel, | |
5 | * 2012 Hong Xu <hong.xu@atmel.com> | |
6 | * | |
7 | * Licensed under GPLv2 or later. | |
8 | */ | |
9 | /dts-v1/; | |
10 | #include "at91sam9n12.dtsi" | |
11 | ||
12 | / { | |
13 | model = "Atmel AT91SAM9N12-EK"; | |
14 | compatible = "atmel,at91sam9n12ek", "atmel,at91sam9n12", "atmel,at91sam9"; | |
15 | ||
16 | chosen { | |
17 | bootargs = "mem=128M console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=jffs2"; | |
18 | }; | |
19 | ||
20 | memory { | |
21 | reg = <0x20000000 0x10000000>; | |
22 | }; | |
23 | ||
24 | clocks { | |
25 | #address-cells = <1>; | |
26 | #size-cells = <1>; | |
27 | ranges; | |
28 | ||
29 | main_clock: clock@0 { | |
30 | compatible = "atmel,osc", "fixed-clock"; | |
31 | clock-frequency = <16000000>; | |
32 | }; | |
33 | }; | |
34 | ||
35 | ahb { | |
36 | apb { | |
37 | dbgu: serial@fffff200 { | |
38 | status = "okay"; | |
39 | }; | |
40 | ||
41 | i2c0: i2c@f8010000 { | |
42 | status = "okay"; | |
43 | }; | |
44 | ||
45 | i2c1: i2c@f8014000 { | |
46 | status = "okay"; | |
47 | }; | |
48 | ||
49 | mmc0: mmc@f0008000 { | |
50 | pinctrl-0 = < | |
51 | &pinctrl_board_mmc0 | |
52 | &pinctrl_mmc0_slot0_clk_cmd_dat0 | |
53 | &pinctrl_mmc0_slot0_dat1_3>; | |
54 | status = "okay"; | |
55 | slot@0 { | |
56 | reg = <0>; | |
57 | bus-width = <4>; | |
58 | cd-gpios = <&pioA 7 0>; | |
59 | }; | |
60 | }; | |
61 | ||
62 | pinctrl@fffff400 { | |
63 | mmc0 { | |
64 | pinctrl_board_mmc0: mmc0-board { | |
65 | atmel,pins = | |
66 | <0 7 0x0 0x5>; /* PA7 gpio CD pin pull up and deglitch */ | |
67 | }; | |
68 | }; | |
69 | }; | |
70 | ||
71 | spi0: spi@f0000000 { | |
72 | status = "okay"; | |
73 | cs-gpios = <&pioA 14 0>, <0>, <0>, <0>; | |
74 | m25p80@0 { | |
75 | compatible = "atmel,at25df321a"; | |
76 | spi-max-frequency = <50000000>; | |
77 | reg = <0>; | |
78 | }; | |
79 | }; | |
80 | }; | |
81 | ||
82 | nand0: nand@40000000 { | |
83 | nand-bus-width = <8>; | |
84 | nand-ecc-mode = "hw"; | |
85 | atmel,has-pmecc; | |
86 | atmel,pmecc-cap = <2>; | |
87 | atmel,pmecc-sector-size = <512>; | |
88 | nand-on-flash-bbt; | |
89 | status = "okay"; | |
90 | }; | |
91 | }; | |
92 | ||
93 | leds { | |
94 | compatible = "gpio-leds"; | |
95 | ||
96 | d8 { | |
97 | label = "d8"; | |
98 | gpios = <&pioB 4 1>; | |
99 | linux,default-trigger = "mmc0"; | |
100 | }; | |
101 | ||
102 | d9 { | |
103 | label = "d6"; | |
104 | gpios = <&pioB 5 1>; | |
105 | linux,default-trigger = "nand-disk"; | |
106 | }; | |
107 | ||
108 | d10 { | |
109 | label = "d7"; | |
110 | gpios = <&pioB 6 0>; | |
111 | linux,default-trigger = "heartbeat"; | |
112 | }; | |
113 | }; | |
114 | ||
115 | gpio_keys { | |
116 | compatible = "gpio-keys"; | |
117 | ||
118 | enter { | |
119 | label = "Enter"; | |
120 | gpios = <&pioB 4 1>; | |
121 | linux,code = <28>; | |
122 | gpio-key,wakeup; | |
123 | }; | |
124 | }; | |
125 | }; |