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1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Samsung's Exynos4412 based SMDK board device tree source
4 *
5 * Copyright (c) 2012-2013 Samsung Electronics Co., Ltd.
6 * http://www.samsung.com
7 *
8 * Device tree source file for Samsung's SMDK4412 board which is based on
9 * Samsung's Exynos4412 SoC.
10 */
11
12/dts-v1/;
13#include "exynos4412.dtsi"
14#include "exynos-mfc-reserved-memory.dtsi"
15
16/ {
17 model = "Samsung SMDK evaluation board based on Exynos4412";
18 compatible = "samsung,smdk4412", "samsung,exynos4412", "samsung,exynos4";
19
20 memory@40000000 {
21 device_type = "memory";
22 reg = <0x40000000 0x40000000>;
23 };
24
25 chosen {
26 bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M init=/linuxrc";
27 stdout-path = "serial1:115200n8";
28 };
29
30 fixed-rate-clocks {
31 xxti {
32 compatible = "samsung,clock-xxti";
33 clock-frequency = <0>;
34 };
35
36 xusbxti {
37 compatible = "samsung,clock-xusbxti";
38 clock-frequency = <24000000>;
39 };
40
41 pmic_ap_clk: pmic-ap-clk {
42 /* Workaround for missing clock on PMIC */
43 compatible = "fixed-clock";
44 #clock-cells = <0>;
45 clock-frequency = <32768>;
46 };
47 };
48};
49
50&cpu_thermal {
51 cooling-maps {
52 cooling_map0: map0 {
53 /* Corresponds to 800MHz at freq_table */
54 cooling-device = <&cpu0 7 7>, <&cpu1 7 7>,
55 <&cpu2 7 7>, <&cpu3 7 7>;
56 };
57 cooling_map1: map1 {
58 /* Corresponds to 200MHz at freq_table */
59 cooling-device = <&cpu0 13 13>, <&cpu1 13 13>,
60 <&cpu2 13 13>, <&cpu3 13 13>;
61 };
62 };
63};
64
65&keypad {
66 samsung,keypad-num-rows = <3>;
67 samsung,keypad-num-columns = <8>;
68 linux,keypad-no-autorepeat;
69 wakeup-source;
70 pinctrl-0 = <&keypad_rows &keypad_cols>;
71 pinctrl-names = "default";
72 status = "okay";
73
74 key-1 {
75 keypad,row = <1>;
76 keypad,column = <3>;
77 linux,code = <2>;
78 };
79
80 key-2 {
81 keypad,row = <1>;
82 keypad,column = <4>;
83 linux,code = <3>;
84 };
85
86 key-3 {
87 keypad,row = <1>;
88 keypad,column = <5>;
89 linux,code = <4>;
90 };
91
92 key-4 {
93 keypad,row = <1>;
94 keypad,column = <6>;
95 linux,code = <5>;
96 };
97
98 key-5 {
99 keypad,row = <1>;
100 keypad,column = <7>;
101 linux,code = <6>;
102 };
103
104 key-A {
105 keypad,row = <2>;
106 keypad,column = <6>;
107 linux,code = <30>;
108 };
109
110 key-B {
111 keypad,row = <2>;
112 keypad,column = <7>;
113 linux,code = <48>;
114 };
115
116 key-C {
117 keypad,row = <0>;
118 keypad,column = <5>;
119 linux,code = <46>;
120 };
121
122 key-D {
123 keypad,row = <2>;
124 keypad,column = <5>;
125 linux,code = <32>;
126 };
127
128 key-E {
129 keypad,row = <0>;
130 keypad,column = <7>;
131 linux,code = <18>;
132 };
133};
134
135&pinctrl_1 {
136 keypad_rows: keypad-rows-pins {
137 samsung,pins = "gpx2-0", "gpx2-1", "gpx2-2";
138 samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
139 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
140 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
141 };
142
143 keypad_cols: keypad-cols-pins {
144 samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3",
145 "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7";
146 samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
147 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
148 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
149 };
150};
151
152&rtc {
153 clocks = <&clock CLK_RTC>, <&pmic_ap_clk>;
154 clock-names = "rtc", "rtc_src";
155};
156
157&sdhci_2 {
158 bus-width = <4>;
159 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
160 pinctrl-names = "default";
161 status = "okay";
162};
163
164&serial_0 {
165 status = "okay";
166};
167
168&serial_1 {
169 status = "okay";
170};
171
172&serial_2 {
173 status = "okay";
174};
175
176&serial_3 {
177 status = "okay";
178};
1/*
2 * Samsung's Exynos4412 based SMDK board device tree source
3 *
4 * Copyright (c) 2012-2013 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com
6 *
7 * Device tree source file for Samsung's SMDK4412 board which is based on
8 * Samsung's Exynos4412 SoC.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13*/
14
15/dts-v1/;
16#include "exynos4412.dtsi"
17#include "exynos-mfc-reserved-memory.dtsi"
18
19/ {
20 model = "Samsung SMDK evaluation board based on Exynos4412";
21 compatible = "samsung,smdk4412", "samsung,exynos4412", "samsung,exynos4";
22
23 memory@40000000 {
24 device_type = "memory";
25 reg = <0x40000000 0x40000000>;
26 };
27
28 chosen {
29 bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc";
30 stdout-path = &serial_1;
31 };
32
33 fixed-rate-clocks {
34 xxti {
35 compatible = "samsung,clock-xxti";
36 clock-frequency = <0>;
37 };
38
39 xusbxti {
40 compatible = "samsung,clock-xusbxti";
41 clock-frequency = <24000000>;
42 };
43 };
44};
45
46&keypad {
47 samsung,keypad-num-rows = <3>;
48 samsung,keypad-num-columns = <8>;
49 linux,keypad-no-autorepeat;
50 wakeup-source;
51 pinctrl-0 = <&keypad_rows &keypad_cols>;
52 pinctrl-names = "default";
53 status = "okay";
54
55 key_1 {
56 keypad,row = <1>;
57 keypad,column = <3>;
58 linux,code = <2>;
59 };
60
61 key_2 {
62 keypad,row = <1>;
63 keypad,column = <4>;
64 linux,code = <3>;
65 };
66
67 key_3 {
68 keypad,row = <1>;
69 keypad,column = <5>;
70 linux,code = <4>;
71 };
72
73 key_4 {
74 keypad,row = <1>;
75 keypad,column = <6>;
76 linux,code = <5>;
77 };
78
79 key_5 {
80 keypad,row = <1>;
81 keypad,column = <7>;
82 linux,code = <6>;
83 };
84
85 key_A {
86 keypad,row = <2>;
87 keypad,column = <6>;
88 linux,code = <30>;
89 };
90
91 key_B {
92 keypad,row = <2>;
93 keypad,column = <7>;
94 linux,code = <48>;
95 };
96
97 key_C {
98 keypad,row = <0>;
99 keypad,column = <5>;
100 linux,code = <46>;
101 };
102
103 key_D {
104 keypad,row = <2>;
105 keypad,column = <5>;
106 linux,code = <32>;
107 };
108
109 key_E {
110 keypad,row = <0>;
111 keypad,column = <7>;
112 linux,code = <18>;
113 };
114};
115
116&pinctrl_1 {
117 keypad_rows: keypad-rows {
118 samsung,pins = "gpx2-0", "gpx2-1", "gpx2-2";
119 samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
120 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
121 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
122 };
123
124 keypad_cols: keypad-cols {
125 samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3",
126 "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7";
127 samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
128 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
129 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
130 };
131};
132
133&sdhci_2 {
134 bus-width = <4>;
135 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
136 pinctrl-names = "default";
137 status = "okay";
138};
139
140&serial_0 {
141 status = "okay";
142};
143
144&serial_1 {
145 status = "okay";
146};
147
148&serial_2 {
149 status = "okay";
150};
151
152&serial_3 {
153 status = "okay";
154};