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
|
// SPDX-License-Identifier: GPL-2.0
/*
* Samsung's Exynos4412 based SMDK board device tree source
*
* Copyright (c) 2012-2013 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Device tree source file for Samsung's SMDK4412 board which is based on
* Samsung's Exynos4412 SoC.
*/
/dts-v1/;
#include "exynos4412.dtsi"
#include "exynos-mfc-reserved-memory.dtsi"
/ {
model = "Samsung SMDK evaluation board based on Exynos4412";
compatible = "samsung,smdk4412", "samsung,exynos4412", "samsung,exynos4";
memory@40000000 {
device_type = "memory";
reg = <0x40000000 0x40000000>;
};
chosen {
bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M init=/linuxrc";
stdout-path = "serial1:115200n8";
};
fixed-rate-clocks {
xxti {
compatible = "samsung,clock-xxti";
clock-frequency = <0>;
};
xusbxti {
compatible = "samsung,clock-xusbxti";
clock-frequency = <24000000>;
};
pmic_ap_clk: pmic-ap-clk {
/* Workaround for missing clock on PMIC */
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <32768>;
};
};
};
&cpu_thermal {
cooling-maps {
cooling_map0: map0 {
/* Corresponds to 800MHz at freq_table */
cooling-device = <&cpu0 7 7>, <&cpu1 7 7>,
<&cpu2 7 7>, <&cpu3 7 7>;
};
cooling_map1: map1 {
/* Corresponds to 200MHz at freq_table */
cooling-device = <&cpu0 13 13>, <&cpu1 13 13>,
<&cpu2 13 13>, <&cpu3 13 13>;
};
};
};
&keypad {
samsung,keypad-num-rows = <3>;
samsung,keypad-num-columns = <8>;
linux,keypad-no-autorepeat;
wakeup-source;
pinctrl-0 = <&keypad_rows &keypad_cols>;
pinctrl-names = "default";
status = "okay";
key-1 {
keypad,row = <1>;
keypad,column = <3>;
linux,code = <2>;
};
key-2 {
keypad,row = <1>;
keypad,column = <4>;
linux,code = <3>;
};
key-3 {
keypad,row = <1>;
keypad,column = <5>;
linux,code = <4>;
};
key-4 {
keypad,row = <1>;
keypad,column = <6>;
linux,code = <5>;
};
key-5 {
keypad,row = <1>;
keypad,column = <7>;
linux,code = <6>;
};
key-A {
keypad,row = <2>;
keypad,column = <6>;
linux,code = <30>;
};
key-B {
keypad,row = <2>;
keypad,column = <7>;
linux,code = <48>;
};
key-C {
keypad,row = <0>;
keypad,column = <5>;
linux,code = <46>;
};
key-D {
keypad,row = <2>;
keypad,column = <5>;
linux,code = <32>;
};
key-E {
keypad,row = <0>;
keypad,column = <7>;
linux,code = <18>;
};
};
&pinctrl_1 {
keypad_rows: keypad-rows-pins {
samsung,pins = "gpx2-0", "gpx2-1", "gpx2-2";
samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
};
keypad_cols: keypad-cols-pins {
samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3",
"gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7";
samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
};
};
&rtc {
clocks = <&clock CLK_RTC>, <&pmic_ap_clk>;
clock-names = "rtc", "rtc_src";
};
&sdhci_2 {
bus-width = <4>;
pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
pinctrl-names = "default";
status = "okay";
};
&serial_0 {
status = "okay";
};
&serial_1 {
status = "okay";
};
&serial_2 {
status = "okay";
};
&serial_3 {
status = "okay";
};
|
