1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
/dts-v1/;
/memreserve/ 0x0c000000 0x04000000;
/include/ "../../nvidia/seaboard/tegra250.dtsi"
/ {
model = "Toradex Colibri T20";
compatible = "toradex,t20", "nvidia,tegra250";
config {
machine-arch-id = <3323>;
};
aliases {
console = "/serial@70006000";
usb0 = "/usb@0xc5004000";
usb1 = "/usb@0xc5008000";
usb2 = "/usb@0xc5000000";
sdmmc0 = "/sdhci@c8000600";
i2c0 = "/i2c@0x7000d000";
i2c1 = "/i2c@0x7000c000";
i2c2 = "/i2c@0x7000c400";
i2c3 = "/i2c@0x7000c500";
};
//will be auto detected and fixedup
memory {
device_type = "memory";
reg = <0x00000000 0x10000000>;
};
uarta: serial@70006000 {
status = "ok";
clock-frequency = <216000000>;
};
uartb: serial@70006040 {
status = "ok";
clock-frequency = <216000000>;
};
uartd: serial@70006300 {
status = "ok";
clock-frequency = <216000000>;
};
sdhci@c8000600 {
status = "ok";
width = <4>; /* width of SDIO port */
removable = <1>;
/* Parameter 3 bit 0:1=output, 0=input; bit 1:1=high, 0=low */
cd-gpio = <&gpio 23 0>; /* card detect, gpio PC7 */
};
lcd {
compatible = "nvidia,tegra2-lcd";
width = <640>;
height = <480>;
bits_per_pixel = <16>;
pwfm = <&pwfm2>;
display = <&display1>;
/* frame-buffer location = top of memory - carveout - fb */
frame-buffer_512 = <0x17400000>; /* 512M - 128M - 12M */
frame-buffer_256 = <0x09400000>; /* 256M - 96M - 12M */
pixel_clock = <25175000>;
/* Timing: ref_to_sync, sync_width. back_porch, front_porch */
horiz_timing = <0 96 48 16>;
vert_timing = <1 2 31 11>;
/* Parameter 3 bit 0:1=output, 0=input; bit 1:1=high, 0=low */
backlight-enable = <&gpio 255 1>; /* use <&gpio 156 1> for PT4 - SODIMM 71: BL_ON */
lvds-shutdown = <&gpio 255 1>;
backlight-vdd = <&gpio 255 1>;
panel-vdd = <&gpio 255 1>;
/*
* Panel required timings
* Timing 1: delay between panel_vdd-rise and data-rise
* Timing 2: delay between data-rise and backlight_vdd-rise
* Timing 3: delay between backlight_vdd and pwm-rise
* Timing 4: delay between pwm-rise and backlight_en-rise
*/
panel-timings = <0 0 0 0>;
};
/* EHCI instance 0: USB1_DP/N -> USBOTG_P/N */
usb@0xc5000000 {
status = "ok";
host-mode = <1>;
};
/* EHCI instance 1: ULPI PHY -> ASIX ETH */
usb@0xc5004000 {
status = "ok";
host-mode = <0>;
};
usbphy: usbphy@0 {
compatible = "smsc,usb3340";
status = "ok";
};
/* EHCI instance 2: USB3_DP/N -> USBH1_P/N */
usb@0xc5008000 {
status = "ok";
utmi = <&usbphy>;
host-mode = <0>;
};
/* Colibri T20 256MB V1.2a intermediate */
flash1@0x70008000 {
/*
* Auto detection uses two hex digits each of vendor ID,
* device ID and fourth byte of read ID separated by commas
*/
compatible = "micron,MT29F4G08ABBDAH4", "2C,AC,15";
controller = <&nand>;
/* How many bytes for data area */
page-data-bytes = <2048>;
/* How many ECC bytes to be generated for tag bytes */
tag-ecc-bytes = <9>;
/* How many tag bytes in spare area */
tag-bytes = <48>;
/* How many ECC bytes for data area */
data-ecc-bytes = <72>;
skipped-spare-bytes = <4>;
/*
* How many bytes in spare area
* spare area = skipped bytes + ECC bytes of data area
* + tag bytes + ECC bytes of tag bytes
*/
page-spare-bytes = <64>;
/*
* MAX_TRP_TREA:
* non-EDO mode: value (in ns) = Max(tRP, tREA) + 6ns
* EDO mode: value (in ns) = tRP timing
* TRH: tREH timing
*
* Timing values: MAX_TRP_TREA, TWB, Max(tCS, tCH, tALS, tALH),
* TWHR, Max(tCS, tCH, tALS, tALH), TWH, TWP, TRH, TADL
*/
timing = <12 100 20 80 20 10 12 10 70>;
/*
* The offset of the start of
* u-boot-environment config-block config-block (WinCE) kernel rootfs-size rootfs-start
* rootfs: the numbers are concatenated to mtdparts=tegra_nand:<rootfs-size>K@<rootfs-start>K(userspace)
* take them from a download with NVFLASH
*/
/* unknown nv-partitions = <0xE00000 0x1000000 0x1000000 0x1200000 1018368 28160>; */
};
/* Colibri T20 256MB V1.2a new */
flash2@0x70008000 {
compatible = "micron,MT29F4G08ABBEAH4", "2C,AC,26";
controller = <&nand>;
page-data-bytes = <4096>;
tag-ecc-bytes = <9>;
tag-bytes = <48>;
data-ecc-bytes = <72>;
skipped-spare-bytes = <4>;
page-spare-bytes = <128>;
timing = <15 100 25 80 25 10 15 10 100>;
nv-partitions = <0x980000 0x11c0000 0x7380000 0xc80000 503552 19712>;
};
/* Colibri T20 before V1.1x aka old */
flash3@0x70008000 {
compatible = "micron,MT29F8G08ABCBB", "2C,38,26";
controller = <&nand>;
page-data-bytes = <4096>;
tag-ecc-bytes = <9>;
tag-bytes = <48>;
data-ecc-bytes = <72>;
skipped-spare-bytes = <4>;
page-spare-bytes = <128>;
timing = <12 100 20 60 15 10 12 10 70>;
nv-partitions = <0xE00000 0x1880000 0x7900000 0x1200000 1018368 28160>;
};
/* Colibri T20 512MB V1.2a intermediate */
flash4@0x70008000 {
compatible = "micron,MT29F8G08ADBDAH4", "2C,A3,15";
controller = <&nand>;
page-data-bytes = <2048>;
tag-ecc-bytes = <9>;
tag-bytes = <48>;
data-ecc-bytes = <72>;
skipped-spare-bytes = <4>;
page-spare-bytes = <64>;
timing = <12 100 20 80 20 10 12 10 70>;
/* unknown nv-partitions = <0xE00000 0x1880000 0x1880000 0x1200000 1018368 28160>; */
};
/* Colibri T20 512MB V1.2a new */
flash5@0x70008000 {
compatible = "micron,MT29F8G08ABBCA", "2C,A3,26";
controller = <&nand>;
page-data-bytes = <4096>;
tag-ecc-bytes = <9>;
tag-bytes = <48>;
data-ecc-bytes = <72>;
skipped-spare-bytes = <4>;
page-spare-bytes = <128>;
timing = <15 100 25 80 25 10 15 10 100>;
nv-partitions = <0x980000 0x11c0000 0x7380000 0xc80000 1027840 19712>;
};
/* Colibri T20 512MB 3.3V TSOP test */
flash6@0x70008000 {
compatible = "samsung,K9K8G08U0B", "EC,D3,95";
controller = <&nand>;
page-data-bytes = <2048>;
tag-ecc-bytes = <9>;
tag-bytes = <48>;
data-ecc-bytes = <72>;
skipped-spare-bytes = <4>;
page-spare-bytes = <64>;
timing = <20 100 20 60 20 10 12 10 70>;
nv-partitions = <0x740000 0xE60000 0x1880000 0x9C0000 1032576 15488>;
};
nand-controller@0x70008000 {
status = "ok";
wp-gpio = <&gpio 144 3>; /* Port S = 18 bit = 0: 18 * 8 + 0 */
width = <8>;
};
};
|
