1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Samsung's Exynos4210 based SMDKV310 board device tree source
4 *
5 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
6 * http://www.samsung.com
7 * Copyright (c) 2010-2011 Linaro Ltd.
8 * www.linaro.org
9 *
10 * Device tree source file for Samsung's SMDKV310 board which is based on
11 * Samsung's Exynos4210 SoC.
12 */
13
14 /dts-v1/;
15 #include "exynos4210.dtsi"
16 #include <dt-bindings/gpio/gpio.h>
17 #include "exynos-mfc-reserved-memory.dtsi"
18
19 / {
20 model = "Samsung smdkv310 evaluation board based on Exynos4210";
21 compatible = "samsung,smdkv310", "samsung,exynos4210", "samsung,exynos4";
22
23 memory@40000000 {
24 device_type = "memory";
25 reg = <0x40000000 0x80000000>;
26 };
27
28 aliases {
29 mmc0 = &sdhci_2;
30 };
31
32 chosen {
33 bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M init=/linuxrc";
34 stdout-path = "serial1:115200n8";
35 };
36
37 fixed-rate-clocks {
38 xxti {
39 compatible = "samsung,clock-xxti";
40 clock-frequency = <12000000>;
41 };
42
43 xusbxti {
44 compatible = "samsung,clock-xusbxti";
45 clock-frequency = <24000000>;
46 };
47
48 pmic_ap_clk: pmic-ap-clk {
49 /* Workaround for missing clock on PMIC */
50 compatible = "fixed-clock";
51 #clock-cells = <0>;
52 clock-frequency = <32768>;
53 };
54 };
55 };
56
57 &cpu_thermal {
58 cooling-maps {
59 map0 {
60 /* Corresponds to 800MHz */
61 cooling-device = <&cpu0 2 2>;
62 };
63 map1 {
64 /* Corresponds to 200MHz */
65 cooling-device = <&cpu0 4 4>;
66 };
67 };
68 };
69
70 &i2c_0 {
71 #address-cells = <1>;
72 #size-cells = <0>;
73 samsung,i2c-sda-delay = <100>;
74 samsung,i2c-max-bus-freq = <100000>;
75 status = "okay";
76
77 eeprom@50 {
78 compatible = "samsung,24ad0xd1";
79 reg = <0x50>;
80 };
81
82 eeprom@52 {
83 compatible = "samsung,24ad0xd1";
84 reg = <0x52>;
85 };
86 };
87
88 &keypad {
89 samsung,keypad-num-rows = <2>;
90 samsung,keypad-num-columns = <8>;
91 linux,input-no-autorepeat;
92 wakeup-source;
93 pinctrl-names = "default";
94 pinctrl-0 = <&keypad_rows &keypad_cols>;
95 status = "okay";
96
97 key-1 {
98 keypad,row = <0>;
99 keypad,column = <3>;
100 linux,code = <2>;
101 };
102
103 key-2 {
104 keypad,row = <0>;
105 keypad,column = <4>;
106 linux,code = <3>;
107 };
108
109 key-3 {
110 keypad,row = <0>;
111 keypad,column = <5>;
112 linux,code = <4>;
113 };
114
115 key-4 {
116 keypad,row = <0>;
117 keypad,column = <6>;
118 linux,code = <5>;
119 };
120
121 key-5 {
122 keypad,row = <0>;
123 keypad,column = <7>;
124 linux,code = <6>;
125 };
126
127 key-a {
128 keypad,row = <1>;
129 keypad,column = <3>;
130 linux,code = <30>;
131 };
132
133 key-b {
134 keypad,row = <1>;
135 keypad,column = <4>;
136 linux,code = <48>;
137 };
138
139 key-c {
140 keypad,row = <1>;
141 keypad,column = <5>;
142 linux,code = <46>;
143 };
144
145 key-d {
146 keypad,row = <1>;
147 keypad,column = <6>;
148 linux,code = <32>;
149 };
150
151 key-e {
152 keypad,row = <1>;
153 keypad,column = <7>;
154 linux,code = <18>;
155 };
156 };
157
158 &pinctrl_1 {
159 keypad_rows: keypad-rows-pins {
160 samsung,pins = "gpx2-0", "gpx2-1";
161 samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
162 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
163 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
164 };
165
166 keypad_cols: keypad-cols-pins {
167 samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3",
168 "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7";
169 samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
170 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
171 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
172 };
173 };
174
175 &rtc {
176 clocks = <&clock CLK_RTC>, <&pmic_ap_clk>;
177 clock-names = "rtc", "rtc_src";
178 };
179
180 &sdhci_2 {
181 bus-width = <4>;
182 pinctrl-names = "default";
183 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
184 status = "okay";
185 };
186
187 &serial_0 {
188 status = "okay";
189 };
190
191 &serial_1 {
192 status = "okay";
193 };
194
195 &serial_2 {
196 status = "okay";
197 };
198
199 &serial_3 {
200 status = "okay";
201 };
202
203 &spi_2 {
204 cs-gpios = <&gpc1 2 GPIO_ACTIVE_HIGH>;
205 status = "okay";
206
207 flash@0 {
208 #address-cells = <1>;
209 #size-cells = <1>;
210 compatible = "winbond,w25x80", "jedec,spi-nor";
211 reg = <0>;
212 spi-max-frequency = <1000000>;
213
214 controller-data {
215 samsung,spi-feedback-delay = <0>;
216 };
217
218 partition@0 {
219 label = "U-Boot";
220 reg = <0x0 0x40000>;
221 read-only;
222 };
223
224 partition@40000 {
225 label = "Kernel";
226 reg = <0x40000 0xc0000>;
227 };
228 };
229 };
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