1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * at91sam9261ek.dts - Device Tree file for Atmel at91sam9261 reference board
4 *
5 * Copyright (C) 2013 Jean-Jacques Hiblot <jjhiblot@traphandler.com>
6 */
7 /dts-v1/;
8 #include "at91sam9261.dtsi"
9
10 / {
11 model = "Atmel at91sam9261ek";
12 compatible = "atmel,at91sam9261ek", "atmel,at91sam9261", "atmel,at91sam9";
13
14 chosen {
15 bootargs = "rootfstype=ubifs ubi.mtd=5 root=ubi0:rootfs rw";
16 stdout-path = "serial0:115200n8";
17 };
18
19 memory@20000000 {
20 reg = <0x20000000 0x4000000>;
21 };
22
23 clocks {
24 slow_xtal {
25 clock-frequency = <32768>;
26 };
27
28 main_xtal {
29 clock-frequency = <18432000>;
30 };
31 };
32
33 ahb {
34 usb0: ohci@500000 {
35 status = "okay";
36 };
37
38 fb0: fb@600000 {
39 display = <&display0>;
40 atmel,power-control-gpio = <&pioA 12 GPIO_ACTIVE_LOW>;
41 status = "okay";
42
43 display0: panel {
44 bits-per-pixel = <16>;
45 atmel,lcdcon-backlight;
46 atmel,dmacon = <0x1>;
47 atmel,lcdcon2 = <0x80008002>;
48 atmel,guard-time = <1>;
49 atmel,lcd-wiring-mode = "BRG";
50
51 display-timings {
52 native-mode = <&timing0>;
53 timing0: timing0 {
54 clock-frequency = <4965000>;
55 hactive = <240>;
56 vactive = <320>;
57 hback-porch = <1>;
58 hfront-porch = <33>;
59 vback-porch = <1>;
60 vfront-porch = <0>;
61 hsync-len = <5>;
62 vsync-len = <1>;
63 hsync-active = <1>;
64 vsync-active = <1>;
65 };
66 };
67 };
68 };
69
70 ebi: ebi@10000000 {
71 status = "okay";
72
73 nand_controller: nand-controller {
74 status = "okay";
75 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
76 pinctrl-names = "default";
77
78 nand@3 {
79 reg = <0x3 0x0 0x800000>;
80 rb-gpios = <&pioC 15 GPIO_ACTIVE_HIGH>;
81 cs-gpios = <&pioC 14 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 timer0: timer@0 {
129 compatible = "atmel,tcb-timer";
130 reg = <0>, <1>;
131 };
132
133 timer1: timer@2 {
134 compatible = "atmel,tcb-timer";
135 reg = <2>;
136 };
137 };
138
139 usb1: gadget@fffa4000 {
140 atmel,vbus-gpio = <&pioB 29 GPIO_ACTIVE_HIGH>;
141 status = "okay";
142 };
143
144 spi0: spi@fffc8000 {
145 cs-gpios = <&pioA 3 0>, <0>, <&pioA 28 0>, <0>;
146 status = "okay";
147
148 flash@0 {
149 compatible = "atmel,at45", "atmel,dataflash";
150 reg = <0>;
151 spi-max-frequency = <15000000>;
152 };
153
154 tsc2046@2 {
155 reg = <2>;
156 compatible = "ti,ads7843";
157 interrupts-extended = <&pioC 2 IRQ_TYPE_EDGE_BOTH>;
158 spi-max-frequency = <3000000>;
159 pendown-gpio = <&pioC 2 GPIO_ACTIVE_LOW>;
160
161 ti,x-min = /bits/ 16 <150>;
162 ti,x-max = /bits/ 16 <3830>;
163 ti,y-min = /bits/ 16 <190>;
164 ti,y-max = /bits/ 16 <3830>;
165 ti,vref-delay-usecs = /bits/ 16 <450>;
166 ti,x-plate-ohms = /bits/ 16 <450>;
167 ti,y-plate-ohms = /bits/ 16 <250>;
168 ti,pressure-max = /bits/ 16 <15000>;
169 ti,debounce-rep = /bits/ 16 <0>;
170 ti,debounce-tol = /bits/ 16 <65535>;
171 ti,debounce-max = /bits/ 16 <1>;
172
173 wakeup-source;
174 };
175 };
176
177 dbgu: serial@fffff200 {
178 status = "okay";
179 };
180
181 rtc@fffffd20 {
182 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
183 };
184
185 watchdog@fffffd40 {
186 status = "okay";
187 };
188
189 };
190 };
191
192 leds {
193 compatible = "gpio-leds";
194
195 ds8 {
196 label = "ds8";
197 gpios = <&pioA 13 GPIO_ACTIVE_LOW>;
198 linux,default-trigger = "none";
199 };
200
201 ds7 {
202 label = "ds7";
203 gpios = <&pioA 14 GPIO_ACTIVE_LOW>;
204 linux,default-trigger = "nand-disk";
205 };
206
207 ds1 {
208 label = "ds1";
209 gpios = <&pioA 23 GPIO_ACTIVE_LOW>;
210 linux,default-trigger = "heartbeat";
211 };
212 };
213
214 gpio-keys {
215 compatible = "gpio-keys";
216
217 button-0 {
218 label = "button_0";
219 gpios = <&pioA 27 GPIO_ACTIVE_LOW>;
220 linux,code = <256>;
221 wakeup-source;
222 };
223
224 button-1 {
225 label = "button_1";
226 gpios = <&pioA 26 GPIO_ACTIVE_LOW>;
227 linux,code = <257>;
228 wakeup-source;
229 };
230
231 button-2 {
232 label = "button_2";
233 gpios = <&pioA 25 GPIO_ACTIVE_LOW>;
234 linux,code = <258>;
235 wakeup-source;
236 };
237
238 button-3 {
239 label = "button_3";
240 gpios = <&pioA 24 GPIO_ACTIVE_LOW>;
241 linux,code = <259>;
242 wakeup-source;
243 };
244 };
245 };
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