1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * at91sam9rlek.dts - Device Tree file for Atmel at91sam9rl reference board
4 *
5 * Copyright (C) 2014 Microchip
6 * Alexandre Belloni <alexandre.belloni@free-electrons.com>
7 */
8 /dts-v1/;
9 #include "at91sam9rl.dtsi"
10
11 / {
12 model = "Atmel at91sam9rlek";
13 compatible = "atmel,at91sam9rlek", "atmel,at91sam9rl", "atmel,at91sam9";
14
15 chosen {
16 bootargs = "rootfstype=ubifs root=ubi0:rootfs ubi.mtd=5 rw";
17 stdout-path = "serial0:115200n8";
18 };
19
20 memory@20000000 {
21 reg = <0x20000000 0x4000000>;
22 };
23
24 clocks {
25 slow_xtal {
26 clock-frequency = <32768>;
27 };
28
29 main_xtal {
30 clock-frequency = <12000000>;
31 };
32 };
33
34 ahb {
35 fb0: fb@500000 {
36 display = <&display0>;
37 status = "okay";
38
39 display0: panel {
40 bits-per-pixel = <16>;
41 atmel,lcdcon-backlight;
42 atmel,dmacon = <0x1>;
43 atmel,lcdcon2 = <0x80008002>;
44 atmel,guard-time = <1>;
45 atmel,lcd-wiring-mode = "RGB";
46
47 display-timings {
48 native-mode = <&timing0>;
49 timing0: timing0 {
50 clock-frequency = <4965000>;
51 hactive = <240>;
52 vactive = <320>;
53 hback-porch = <1>;
54 hfront-porch = <33>;
55 vback-porch = <1>;
56 vfront-porch = <0>;
57 hsync-len = <5>;
58 vsync-len = <1>;
59 hsync-active = <1>;
60 vsync-active = <1>;
61 };
62 };
63 };
64 };
65
66 ebi: ebi@10000000 {
67 pinctrl-0 = <&pinctrl_ebi_addr_nand>;
68 pinctrl-names = "default";
69 status = "okay";
70
71 nand_controller: nand-controller {
72 status = "okay";
73 pinctrl-0 = <&pinctrl_nand_oe_we
74 &pinctrl_nand_cs
75 &pinctrl_nand_rb>;
76 pinctrl-names = "default";
77
78 nand@3 {
79 reg = <0x3 0x0 0x800000>;
80 rb-gpios = <&pioD 17 GPIO_ACTIVE_HIGH>;
81 cs-gpios = <&pioB 6 GPIO_ACTIVE_HIGH>;
82 nand-bus-width = <8>;
83 nand-ecc-mode = "soft";
84 nand-on-flash-bbt;
85 label = "atmel_nand";
86
87 partitions {
88 compatible = "fixed-partitions";
89 #address-cells = <1>;
90 #size-cells = <1>;
91
92 at91bootstrap@0 {
93 label = "at91bootstrap";
94 reg = <0x0 0x40000>;
95 };
96
97 bootloader@40000 {
98 label = "bootloader";
99 reg = <0x40000 0x80000>;
100 };
101
102 bootloaderenv@c0000 {
103 label = "bootloader env";
104 reg = <0xc0000 0xc0000>;
105 };
106
107 dtb@180000 {
108 label = "device tree";
109 reg = <0x180000 0x80000>;
110 };
111
112 kernel@200000 {
113 label = "kernel";
114 reg = <0x200000 0x600000>;
115 };
116
117 rootfs@800000 {
118 label = "rootfs";
119 reg = <0x800000 0x0f800000>;
120 };
121 };
122 };
123 };
124 };
125
126 apb {
127 tcb0: timer@fffa0000 {
128 timer@0 {
129 compatible = "atmel,tcb-timer";
130 reg = <0>, <1>;
131 };
132
133 timer@2 {
134 compatible = "atmel,tcb-timer";
135 reg = <2>;
136 };
137 };
138
139 mmc0: mmc@fffa4000 {
140 pinctrl-0 = <
141 &pinctrl_board_mmc0
142 &pinctrl_mmc0_clk
143 &pinctrl_mmc0_slot0_cmd_dat0
144 &pinctrl_mmc0_slot0_dat1_3>;
145 status = "okay";
146 slot@0 {
147 reg = <0>;
148 bus-width = <4>;
149 cd-gpios = <&pioA 15 GPIO_ACTIVE_HIGH>;
150 };
151 };
152
153 usart0: serial@fffb0000 {
154 pinctrl-0 = <
155 &pinctrl_usart0
156 &pinctrl_usart0_rts
157 &pinctrl_usart0_cts>;
158 status = "okay";
159 };
160
161 adc0: adc@fffd0000 {
162 pinctrl-names = "default";
163 pinctrl-0 = <
164 &pinctrl_adc0_ad0
165 &pinctrl_adc0_ad1
166 &pinctrl_adc0_ad2
167 &pinctrl_adc0_ad3
168 &pinctrl_adc0_ad4
169 &pinctrl_adc0_ad5
170 &pinctrl_adc0_adtrg>;
171 atmel,adc-ts-wires = <4>;
172 status = "okay";
173 };
174
175 usb0: gadget@fffd4000 {
176 atmel,vbus-gpio = <&pioA 8 GPIO_ACTIVE_HIGH>;
177 status = "okay";
178 };
179
180 spi0: spi@fffcc000 {
181 status = "okay";
182 cs-gpios = <&pioA 28 0>, <0>, <0>, <0>;
183 flash@0 {
184 compatible = "atmel,at45", "atmel,dataflash";
185 spi-max-frequency = <15000000>;
186 reg = <0>;
187 };
188 };
189
190 pwm0: pwm@fffc8000 {
191 status = "okay";
192
193 pinctrl-names = "default";
194 pinctrl-0 = <&pinctrl_pwm0_pwm1_2>,
195 <&pinctrl_pwm0_pwm2_2>;
196 };
197
198 dbgu: serial@fffff200 {
199 status = "okay";
200 };
201
202 pinctrl@fffff400 {
203 mmc0 {
204 pinctrl_board_mmc0: mmc0-board {
205 atmel,pins =
206 <AT91_PIOA 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
207 };
208 };
209 };
210
211 watchdog@fffffd40 {
212 status = "okay";
213 };
214
215 rtc@fffffd20 {
216 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
217 };
218
219 rtc@fffffe00 {
220 status = "okay";
221 };
222 };
223 };
224
225 led-controller-1 {
226 compatible = "pwm-leds";
227
228 led-1 {
229 label = "ds1";
230 pwms = <&pwm0 1 5000 PWM_POLARITY_INVERTED>;
231 max-brightness = <255>;
232 };
233
234 led-2 {
235 label = "ds2";
236 pwms = <&pwm0 2 5000 PWM_POLARITY_INVERTED>;
237 max-brightness = <255>;
238 };
239 };
240
241 led-controller-2 {
242 compatible = "gpio-leds";
243
244 led-3 {
245 label = "ds3";
246 gpios = <&pioD 14 GPIO_ACTIVE_HIGH>;
247 linux,default-trigger = "heartbeat";
248 };
249 };
250
251 gpio-keys {
252 compatible = "gpio-keys";
253
254 button-right-click {
255 label = "right_click";
256 gpios = <&pioB 0 GPIO_ACTIVE_LOW>;
257 linux,code = <273>;
258 wakeup-source;
259 };
260
261 button-left-click {
262 label = "left_click";
263 gpios = <&pioB 1 GPIO_ACTIVE_LOW>;
264 linux,code = <272>;
265 wakeup-source;
266 };
267 };
268
269 i2c-gpio-0 {
270 status = "okay";
271 };
272
273 i2c-gpio-1 {
274 status = "okay";
275 };
276 };
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