1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Samsung's S3C6410 based Mini6410 board device tree source
4 *
5 * Copyright (c) 2013 Tomasz Figa <tomasz.figa@gmail.com>
6 *
7 * Device tree source file for FriendlyARM Mini6410 board which is based on
8 * Samsung's S3C6410 SoC.
9 */
10
11 /dts-v1/;
12
13 #include <dt-bindings/gpio/gpio.h>
14 #include <dt-bindings/interrupt-controller/irq.h>
15
16 #include "s3c6410.dtsi"
17
18 / {
19 model = "FriendlyARM Mini6410 board based on S3C6410";
20 compatible = "friendlyarm,mini6410", "samsung,s3c6410";
21
22 memory@50000000 {
23 device_type = "memory";
24 reg = <0x50000000 0x10000000>;
25 };
26
27 chosen {
28 bootargs = "console=ttySAC0,115200n8 earlyprintk rootwait root=/dev/mmcblk0p1";
29 };
30
31 fin_pll: oscillator-0 {
32 compatible = "fixed-clock";
33 clock-frequency = <12000000>;
34 clock-output-names = "fin_pll";
35 #clock-cells = <0>;
36 };
37
38 xusbxti: oscillator-1 {
39 compatible = "fixed-clock";
40 clock-output-names = "xusbxti";
41 clock-frequency = <48000000>;
42 #clock-cells = <0>;
43 };
44
45 srom-cs1-bus@18000000 {
46 compatible = "simple-bus";
47 #address-cells = <1>;
48 #size-cells = <1>;
49 reg = <0x18000000 0x8000000>;
50 ranges;
51
52 ethernet@18000000 {
53 compatible = "davicom,dm9000";
54 reg = <0x18000000 0x2>, <0x18000004 0x2>;
55 interrupt-parent = <&gpn>;
56 interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;
57 davicom,no-eeprom;
58 };
59 };
60
61 gpio-keys {
62 compatible = "gpio-keys";
63 pinctrl-names = "default";
64 pinctrl-0 = <&gpio_keys>;
65 autorepeat;
66
67 button-k1 {
68 label = "K1";
69 gpios = <&gpn 0 GPIO_ACTIVE_LOW>;
70 linux,code = <2>;
71 debounce-interval = <20>;
72 };
73
74 button-k2 {
75 label = "K2";
76 gpios = <&gpn 1 GPIO_ACTIVE_LOW>;
77 linux,code = <3>;
78 debounce-interval = <20>;
79 };
80
81 button-k3 {
82 label = "K3";
83 gpios = <&gpn 2 GPIO_ACTIVE_LOW>;
84 linux,code = <4>;
85 debounce-interval = <20>;
86 };
87
88 button-k4 {
89 label = "K4";
90 gpios = <&gpn 3 GPIO_ACTIVE_LOW>;
91 linux,code = <5>;
92 debounce-interval = <20>;
93 };
94
95 button-k5 {
96 label = "K5";
97 gpios = <&gpn 4 GPIO_ACTIVE_LOW>;
98 linux,code = <6>;
99 debounce-interval = <20>;
100 };
101
102 button-k6 {
103 label = "K6";
104 gpios = <&gpn 5 GPIO_ACTIVE_LOW>;
105 linux,code = <7>;
106 debounce-interval = <20>;
107 };
108
109 button-k7 {
110 label = "K7";
111 gpios = <&gpl 11 GPIO_ACTIVE_LOW>;
112 linux,code = <8>;
113 debounce-interval = <20>;
114 };
115
116 button-k8 {
117 label = "K8";
118 gpios = <&gpl 12 GPIO_ACTIVE_LOW>;
119 linux,code = <9>;
120 debounce-interval = <20>;
121 };
122 };
123
124 leds {
125 compatible = "gpio-leds";
126 pinctrl-names = "default";
127 pinctrl-0 = <&gpio_leds>;
128
129 led-1 {
130 label = "LED1";
131 gpios = <&gpk 4 GPIO_ACTIVE_LOW>;
132 linux,default-trigger = "heartbeat";
133 };
134
135 led-2 {
136 label = "LED2";
137 gpios = <&gpk 5 GPIO_ACTIVE_LOW>;
138 linux,default-trigger = "mmc0";
139 };
140
141 led-3 {
142 label = "LED3";
143 gpios = <&gpk 6 GPIO_ACTIVE_LOW>;
144 };
145
146 led-4 {
147 label = "LED4";
148 gpios = <&gpk 7 GPIO_ACTIVE_LOW>;
149 };
150 };
151
152 buzzer {
153 compatible = "pwm-beeper";
154 pwms = <&pwm 0 1000000 0>;
155 pinctrl-names = "default";
156 pinctrl-0 = <&pwm0_out>;
157 };
158 };
159
160 &clocks {
161 clocks = <&fin_pll>;
162 };
163
164 &sdhci0 {
165 pinctrl-names = "default";
166 pinctrl-0 = <&sd0_clk>, <&sd0_cmd>, <&sd0_cd>, <&sd0_bus4>;
167 bus-width = <4>;
168 status = "okay";
169 };
170
171 &uart0 {
172 pinctrl-names = "default";
173 pinctrl-0 = <&uart0_data>;
174 status = "okay";
175 };
176
177 &uart1 {
178 pinctrl-names = "default";
179 pinctrl-0 = <&uart1_data>, <&uart1_fctl>;
180 status = "okay";
181 };
182
183 &uart2 {
184 pinctrl-names = "default";
185 pinctrl-0 = <&uart2_data>;
186 status = "okay";
187 };
188
189 &uart3 {
190 pinctrl-names = "default";
191 pinctrl-0 = <&uart3_data>;
192 status = "okay";
193 };
194
195 &pinctrl0 {
196 gpio_leds: gpio-leds-pins {
197 samsung,pins = "gpk-4", "gpk-5", "gpk-6", "gpk-7";
198 samsung,pin-pud = <S3C64XX_PIN_PULL_NONE>;
199 };
200
201 gpio_keys: gpio-keys-pins {
202 samsung,pins = "gpn-0", "gpn-1", "gpn-2", "gpn-3",
203 "gpn-4", "gpn-5", "gpl-11", "gpl-12";
204 samsung,pin-pud = <S3C64XX_PIN_PULL_NONE>;
205 };
206 };
207
208 &i2c0 {
209 pinctrl-names = "default";
210 pinctrl-0 = <&i2c0_bus>;
211 status = "okay";
212
213 eeprom@50 {
214 compatible = "atmel,24c08";
215 reg = <0x50>;
216 pagesize = <16>;
217 };
218 };
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