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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 console=ttySAC1,115200 init=/linuxrc";
27 stdout-path = &serial_1;
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// 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};