1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * at91sam9n12ek.dts - Device Tree file for AT91SAM9N12-EK board
4 *
5 * Copyright (C) 2012 Atmel,
6 * 2012 Hong Xu <hong.xu@atmel.com>
7 */
8 /dts-v1/;
9 #include "at91sam9n12.dtsi"
10
11 / {
12 model = "Atmel AT91SAM9N12-EK";
13 compatible = "atmel,at91sam9n12ek", "atmel,at91sam9n12", "atmel,at91sam9";
14
15 chosen {
16 bootargs = "root=/dev/mtdblock1 rw rootfstype=jffs2";
17 stdout-path = "serial0:115200n8";
18 };
19
20 memory@20000000 {
21 reg = <0x20000000 0x8000000>;
22 };
23
24 clocks {
25 slow_xtal {
26 clock-frequency = <32768>;
27 };
28
29 main_xtal {
30 clock-frequency = <16000000>;
31 };
32 };
33
34 ahb {
35 apb {
36 dbgu: serial@fffff200 {
37 status = "okay";
38 };
39
40 ssc0: ssc@f0010000 {
41 status = "okay";
42 };
43
44 tcb0: timer@f8008000 {
45 timer@0 {
46 compatible = "atmel,tcb-timer";
47 reg = <0>;
48 };
49
50 timer@1 {
51 compatible = "atmel,tcb-timer";
52 reg = <1>;
53 };
54 };
55
56 i2c0: i2c@f8010000 {
57 status = "okay";
58
59 wm8904: codec@1a {
60 compatible = "wlf,wm8904";
61 reg = <0x1a>;
62 clocks = <&pmc PMC_TYPE_SYSTEM 8>;
63 clock-names = "mclk";
64 };
65
66 qt1070: keyboard@1b {
67 compatible = "qt1070";
68 reg = <0x1b>;
69 interrupt-parent = <&pioA>;
70 interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
71 pinctrl-names = "default";
72 pinctrl-0 = <&pinctrl_qt1070_irq>;
73 };
74 };
75
76 mmc0: mmc@f0008000 {
77 pinctrl-0 = <
78 &pinctrl_board_mmc0
79 &pinctrl_mmc0_slot0_clk_cmd_dat0
80 &pinctrl_mmc0_slot0_dat1_3>;
81 status = "okay";
82 slot@0 {
83 reg = <0>;
84 bus-width = <4>;
85 cd-gpios = <&pioA 7 GPIO_ACTIVE_HIGH>;
86 };
87 };
88
89 pinctrl@fffff400 {
90 mmc0 {
91 pinctrl_board_mmc0: mmc0-board {
92 atmel,pins =
93 <AT91_PIOA 7 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PA7 gpio CD pin pull up and deglitch */
94 };
95 };
96
97 qt1070 {
98 pinctrl_qt1070_irq: qt1070_irq {
99 atmel,pins =
100 <AT91_PIOA 2 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
101 };
102 };
103
104 sound {
105 pinctrl_pck0_as_audio_mck: pck0_as_audio_mck {
106 atmel,pins =
107 <AT91_PIOB 10 AT91_PERIPH_B AT91_PINCTRL_NONE>;
108 };
109 };
110
111 usb1 {
112 pinctrl_usb1_vbus_sense: usb1_vbus_sense {
113 atmel,pins =
114 <AT91_PIOB 16 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PB16 gpio usb vbus sense, no pull up and deglitch */
115 };
116 };
117 };
118
119 spi0: spi@f0000000 {
120 status = "okay";
121 cs-gpios = <&pioA 14 0>, <0>, <0>, <0>;
122 flash@0 {
123 compatible = "atmel,at25df321a";
124 spi-max-frequency = <50000000>;
125 reg = <0>;
126 };
127 };
128
129 hlcdc: hlcdc@f8038000 {
130 status = "okay";
131
132 hlcdc-display-controller {
133 pinctrl-names = "default";
134 pinctrl-0 = <&pinctrl_lcd_base &pinctrl_lcd_rgb888>;
135
136 port@0 {
137 hlcdc_panel_output: endpoint@0 {
138 reg = <0>;
139 remote-endpoint = <&panel_input>;
140 };
141 };
142 };
143 };
144
145 usb1: gadget@f803c000 {
146 pinctrl-names = "default";
147 pinctrl-0 = <&pinctrl_usb1_vbus_sense>;
148 atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>;
149 status = "okay";
150 };
151
152 watchdog@fffffe40 {
153 status = "okay";
154 };
155
156 rtc@fffffeb0 {
157 status = "okay";
158 };
159 };
160
161 ebi: ebi@10000000 {
162 status = "okay";
163
164 nand_controller: nand-controller {
165 status = "okay";
166 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
167 pinctrl-names = "default";
168
169 nand@3 {
170 reg = <0x3 0x0 0x800000>;
171 rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
172 cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
173 nand-bus-width = <8>;
174 nand-ecc-mode = "soft";
175 nand-ecc-strength = <2>;
176 nand-ecc-step-size = <512>;
177 nand-on-flash-bbt;
178 label = "atmel_nand";
179 };
180 };
181 };
182
183 usb0: ohci@500000 {
184 num-ports = <1>;
185 atmel,vbus-gpio = <&pioB 7 GPIO_ACTIVE_LOW>;
186 status = "okay";
187 };
188 };
189
190 backlight: backlight {
191 compatible = "pwm-backlight";
192 pwms = <&hlcdc_pwm 0 50000 0>;
193 brightness-levels = <0 4 8 16 32 64 128 255>;
194 default-brightness-level = <6>;
195 power-supply = <&bl_reg>;
196 status = "okay";
197 };
198
199 bl_reg: backlight_regulator {
200 compatible = "regulator-fixed";
201 regulator-name = "backlight-power-supply";
202 regulator-min-microvolt = <5000000>;
203 regulator-max-microvolt = <5000000>;
204 status = "okay";
205 };
206
207 leds {
208 compatible = "gpio-leds";
209
210 led-d8 {
211 label = "d8";
212 gpios = <&pioB 4 GPIO_ACTIVE_LOW>;
213 linux,default-trigger = "mmc0";
214 };
215
216 led-d9 {
217 label = "d9";
218 gpios = <&pioB 5 GPIO_ACTIVE_LOW>;
219 linux,default-trigger = "nand-disk";
220 };
221
222 led-d10 {
223 label = "d10";
224 gpios = <&pioB 6 GPIO_ACTIVE_HIGH>;
225 linux,default-trigger = "heartbeat";
226 };
227 };
228
229 gpio-keys {
230 compatible = "gpio-keys";
231
232 button-enter {
233 label = "Enter";
234 gpios = <&pioB 3 GPIO_ACTIVE_LOW>;
235 linux,code = <28>;
236 wakeup-source;
237 };
238 };
239
240 panel: panel {
241 compatible = "qiaodian,qd43003c0-40";
242 backlight = <&backlight>;
243 power-supply = <&panel_reg>;
244 #address-cells = <1>;
245 #size-cells = <0>;
246 status = "okay";
247
248 port@0 {
249 reg = <0>;
250 #address-cells = <1>;
251 #size-cells = <0>;
252
253 panel_input: endpoint@0 {
254 reg = <0>;
255 remote-endpoint = <&hlcdc_panel_output>;
256 };
257 };
258 };
259
260 panel_reg: panel_regulator {
261 compatible = "regulator-fixed";
262 regulator-name = "panel-power-supply";
263 regulator-min-microvolt = <3300000>;
264 regulator-max-microvolt = <3300000>;
265 status = "okay";
266 };
267
268 sound {
269 compatible = "atmel,asoc-wm8904";
270 pinctrl-names = "default";
271 pinctrl-0 = <&pinctrl_pck0_as_audio_mck>;
272
273 atmel,model = "wm8904 @ AT91SAM9N12";
274 atmel,audio-routing =
275 "Headphone Jack", "HPOUTL",
276 "Headphone Jack", "HPOUTR",
277 "IN2L", "Line In Jack",
278 "IN2R", "Line In Jack",
279 "Mic", "MICBIAS",
280 "IN1L", "Mic";
281
282 atmel,ssc-controller = <&ssc0>;
283 atmel,audio-codec = <&wm8904>;
284 };
285 };
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