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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};
42
43&keypad {
44 samsung,keypad-num-rows = <3>;
45 samsung,keypad-num-columns = <8>;
46 linux,keypad-no-autorepeat;
47 wakeup-source;
48 pinctrl-0 = <&keypad_rows &keypad_cols>;
49 pinctrl-names = "default";
50 status = "okay";
51
52 key_1 {
53 keypad,row = <1>;
54 keypad,column = <3>;
55 linux,code = <2>;
56 };
57
58 key_2 {
59 keypad,row = <1>;
60 keypad,column = <4>;
61 linux,code = <3>;
62 };
63
64 key_3 {
65 keypad,row = <1>;
66 keypad,column = <5>;
67 linux,code = <4>;
68 };
69
70 key_4 {
71 keypad,row = <1>;
72 keypad,column = <6>;
73 linux,code = <5>;
74 };
75
76 key_5 {
77 keypad,row = <1>;
78 keypad,column = <7>;
79 linux,code = <6>;
80 };
81
82 key_A {
83 keypad,row = <2>;
84 keypad,column = <6>;
85 linux,code = <30>;
86 };
87
88 key_B {
89 keypad,row = <2>;
90 keypad,column = <7>;
91 linux,code = <48>;
92 };
93
94 key_C {
95 keypad,row = <0>;
96 keypad,column = <5>;
97 linux,code = <46>;
98 };
99
100 key_D {
101 keypad,row = <2>;
102 keypad,column = <5>;
103 linux,code = <32>;
104 };
105
106 key_E {
107 keypad,row = <0>;
108 keypad,column = <7>;
109 linux,code = <18>;
110 };
111};
112
113&pinctrl_1 {
114 keypad_rows: keypad-rows {
115 samsung,pins = "gpx2-0", "gpx2-1", "gpx2-2";
116 samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
117 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
118 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
119 };
120
121 keypad_cols: keypad-cols {
122 samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3",
123 "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7";
124 samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
125 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
126 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
127 };
128};
129
130&sdhci_2 {
131 bus-width = <4>;
132 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
133 pinctrl-names = "default";
134 status = "okay";
135};
136
137&serial_0 {
138 status = "okay";
139};
140
141&serial_1 {
142 status = "okay";
143};
144
145&serial_2 {
146 status = "okay";
147};
148
149&serial_3 {
150 status = "okay";
151};
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
18/ {
19 model = "Samsung SMDK evaluation board based on Exynos4412";
20 compatible = "samsung,smdk4412", "samsung,exynos4412", "samsung,exynos4";
21
22 memory {
23 reg = <0x40000000 0x40000000>;
24 };
25
26 chosen {
27 bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc";
28 stdout-path = &serial_1;
29 };
30
31 fixed-rate-clocks {
32 xxti {
33 compatible = "samsung,clock-xxti";
34 clock-frequency = <0>;
35 };
36
37 xusbxti {
38 compatible = "samsung,clock-xusbxti";
39 clock-frequency = <24000000>;
40 };
41 };
42};
43
44&keypad {
45 samsung,keypad-num-rows = <3>;
46 samsung,keypad-num-columns = <8>;
47 linux,keypad-no-autorepeat;
48 wakeup-source;
49 pinctrl-0 = <&keypad_rows &keypad_cols>;
50 pinctrl-names = "default";
51 status = "okay";
52
53 key_1 {
54 keypad,row = <1>;
55 keypad,column = <3>;
56 linux,code = <2>;
57 };
58
59 key_2 {
60 keypad,row = <1>;
61 keypad,column = <4>;
62 linux,code = <3>;
63 };
64
65 key_3 {
66 keypad,row = <1>;
67 keypad,column = <5>;
68 linux,code = <4>;
69 };
70
71 key_4 {
72 keypad,row = <1>;
73 keypad,column = <6>;
74 linux,code = <5>;
75 };
76
77 key_5 {
78 keypad,row = <1>;
79 keypad,column = <7>;
80 linux,code = <6>;
81 };
82
83 key_A {
84 keypad,row = <2>;
85 keypad,column = <6>;
86 linux,code = <30>;
87 };
88
89 key_B {
90 keypad,row = <2>;
91 keypad,column = <7>;
92 linux,code = <48>;
93 };
94
95 key_C {
96 keypad,row = <0>;
97 keypad,column = <5>;
98 linux,code = <46>;
99 };
100
101 key_D {
102 keypad,row = <2>;
103 keypad,column = <5>;
104 linux,code = <32>;
105 };
106
107 key_E {
108 keypad,row = <0>;
109 keypad,column = <7>;
110 linux,code = <18>;
111 };
112};
113
114&mfc {
115 samsung,mfc-r = <0x43000000 0x800000>;
116 samsung,mfc-l = <0x51000000 0x800000>;
117 status = "okay";
118};
119
120&pinctrl_1 {
121 keypad_rows: keypad-rows {
122 samsung,pins = "gpx2-0", "gpx2-1", "gpx2-2";
123 samsung,pin-function = <3>;
124 samsung,pin-pud = <3>;
125 samsung,pin-drv = <0>;
126 };
127
128 keypad_cols: keypad-cols {
129 samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3",
130 "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7";
131 samsung,pin-function = <3>;
132 samsung,pin-pud = <0>;
133 samsung,pin-drv = <0>;
134 };
135};
136
137&sdhci_2 {
138 bus-width = <4>;
139 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
140 pinctrl-names = "default";
141 status = "okay";
142};
143
144&serial_0 {
145 status = "okay";
146};
147
148&serial_1 {
149 status = "okay";
150};
151
152&serial_2 {
153 status = "okay";
154};
155
156&serial_3 {
157 status = "okay";
158};