1 // SPDX-License-Identifier: GPL-2.0-only 1 // SPDX-License-Identifier: GPL-2.0-only
2 /* 2 /*
3 * at91sam9g20ek_common.dtsi - Device Tree fil 3 * at91sam9g20ek_common.dtsi - Device Tree file for Atmel at91sam9g20ek board
4 * 4 *
5 * Copyright (C) 2012 Jean-Christophe PLAGNIOL< 5 * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
6 */ 6 */
7 #include "at91sam9g20.dtsi" 7 #include "at91sam9g20.dtsi"
8 #include <dt-bindings/input/input.h> 8 #include <dt-bindings/input/input.h>
9 9
10 / { 10 / {
11 11
12 chosen { 12 chosen {
13 bootargs = "mem=64M root=/dev/ 13 bootargs = "mem=64M root=/dev/mtdblock5 rw rootfstype=ubifs";
14 stdout-path = "serial0:115200n 14 stdout-path = "serial0:115200n8";
15 }; 15 };
16 16
17 memory@20000000 { 17 memory@20000000 {
18 reg = <0x20000000 0x4000000>; 18 reg = <0x20000000 0x4000000>;
19 }; 19 };
20 20
21 clocks { 21 clocks {
22 slow_xtal { 22 slow_xtal {
23 clock-frequency = <327 23 clock-frequency = <32768>;
24 }; 24 };
25 25
26 main_xtal { 26 main_xtal {
27 clock-frequency = <184 27 clock-frequency = <18432000>;
28 }; 28 };
29 }; 29 };
30 30
31 ahb { 31 ahb {
32 apb { 32 apb {
33 pinctrl@fffff400 { 33 pinctrl@fffff400 {
34 board { 34 board {
35 pinctr 35 pinctrl_pck0_as_mck: pck0_as_mck {
36 36 atmel,pins =
37 37 <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC1 periph B */
38 }; 38 };
39 39
40 }; 40 };
41 41
42 usb1 { 42 usb1 {
43 pinctr 43 pinctrl_usb1_vbus_gpio: usb1_vbus_gpio {
44 44 atmel,pins =
45 45 <AT91_PIOC 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PC5 GPIO */
46 }; 46 };
47 }; 47 };
48 48
49 mmc0_slot1 { 49 mmc0_slot1 {
50 pinctr 50 pinctrl_board_mmc0_slot1: mmc0_slot1-board {
51 51 atmel,pins =
52 52 <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PC9 gpio CD pin pull up and deglitch */
53 }; 53 };
54 }; 54 };
55 }; 55 };
56 56
57 dbgu: serial@fffff200 57 dbgu: serial@fffff200 {
58 status = "okay 58 status = "okay";
59 }; 59 };
60 60
61 tcb0: timer@fffa0000 { 61 tcb0: timer@fffa0000 {
62 timer@0 { 62 timer@0 {
63 compat 63 compatible = "atmel,tcb-timer";
64 reg = 64 reg = <0>, <1>;
65 }; 65 };
66 66
67 timer@2 { 67 timer@2 {
68 compat 68 compatible = "atmel,tcb-timer";
69 reg = 69 reg = <2>;
70 }; 70 };
71 }; 71 };
72 72
73 usart0: serial@fffb000 73 usart0: serial@fffb0000 {
74 pinctrl-0 = 74 pinctrl-0 =
75 <&pinc 75 <&pinctrl_usart0
76 &pinc 76 &pinctrl_usart0_rts
77 &pinc 77 &pinctrl_usart0_cts
78 &pinc 78 &pinctrl_usart0_dtr_dsr
79 &pinc 79 &pinctrl_usart0_dcd
80 &pinc 80 &pinctrl_usart0_ri>;
81 status = "okay 81 status = "okay";
82 }; 82 };
83 83
84 usart1: serial@fffb400 84 usart1: serial@fffb4000 {
85 status = "okay 85 status = "okay";
86 }; 86 };
87 87
88 macb0: ethernet@fffc40 88 macb0: ethernet@fffc4000 {
89 phy-mode = "rm 89 phy-mode = "rmii";
90 status = "okay 90 status = "okay";
91 }; 91 };
92 92
93 usb1: gadget@fffa4000 93 usb1: gadget@fffa4000 {
94 pinctrl-0 = <& 94 pinctrl-0 = <&pinctrl_usb1_vbus_gpio>;
95 pinctrl-names 95 pinctrl-names = "default";
96 atmel,vbus-gpi 96 atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
97 status = "okay 97 status = "okay";
98 }; 98 };
99 99
100 mmc0: mmc@fffa8000 { 100 mmc0: mmc@fffa8000 {
101 pinctrl-0 = < 101 pinctrl-0 = <
102 &pinct 102 &pinctrl_board_mmc0_slot1
103 &pinct 103 &pinctrl_mmc0_clk
104 &pinct 104 &pinctrl_mmc0_slot1_cmd_dat0
105 &pinct 105 &pinctrl_mmc0_slot1_dat1_3>;
106 pinctrl-names 106 pinctrl-names = "default";
107 status = "okay 107 status = "okay";
108 slot@1 { 108 slot@1 {
109 reg = 109 reg = <1>;
110 bus-wi 110 bus-width = <4>;
111 cd-gpi 111 cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
112 }; 112 };
113 }; 113 };
114 114
115 ssc0: ssc@fffbc000 { 115 ssc0: ssc@fffbc000 {
116 status = "okay 116 status = "okay";
117 pinctrl-0 = <& 117 pinctrl-0 = <&pinctrl_ssc0_tx>;
118 }; 118 };
119 119
120 spi0: spi@fffc8000 { 120 spi0: spi@fffc8000 {
121 cs-gpios = <0> 121 cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
122 flash@1 { 122 flash@1 {
123 compat 123 compatible = "atmel,at45", "atmel,dataflash";
124 spi-ma 124 spi-max-frequency = <50000000>;
125 reg = 125 reg = <1>;
126 }; 126 };
127 }; 127 };
128 128
129 shdwc: poweroff@fffffd 129 shdwc: poweroff@fffffd10 {
130 atmel,wakeup-c 130 atmel,wakeup-counter = <10>;
131 atmel,wakeup-r 131 atmel,wakeup-rtt-timer;
132 }; 132 };
133 133
134 rtc@fffffd20 { 134 rtc@fffffd20 {
135 atmel,rtt-rtc- 135 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
136 status = "okay 136 status = "okay";
137 }; 137 };
138 138
139 watchdog@fffffd40 { 139 watchdog@fffffd40 {
140 status = "okay 140 status = "okay";
141 }; 141 };
142 142
143 gpbr: syscon@fffffd50 143 gpbr: syscon@fffffd50 {
144 status = "okay 144 status = "okay";
145 }; 145 };
146 }; 146 };
147 147
148 ebi: ebi@10000000 { 148 ebi: ebi@10000000 {
149 status = "okay"; 149 status = "okay";
150 150
151 nand_controller: nand- 151 nand_controller: nand-controller {
152 status = "okay 152 status = "okay";
153 pinctrl-0 = <& 153 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
154 pinctrl-names 154 pinctrl-names = "default";
155 155
156 nand@3 { 156 nand@3 {
157 reg = 157 reg = <0x3 0x0 0x800000>;
158 rb-gpi 158 rb-gpios = <&pioC 13 GPIO_ACTIVE_HIGH>;
159 cs-gpi 159 cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
160 nand-b 160 nand-bus-width = <8>;
161 nand-e 161 nand-ecc-mode = "soft";
162 nand-o 162 nand-on-flash-bbt;
163 label 163 label = "atmel_nand";
164 164
165 partit 165 partitions {
166 166 compatible = "fixed-partitions";
167 167 #address-cells = <1>;
168 168 #size-cells = <1>;
169 169
170 170 at91bootstrap@0 {
171 171 label = "at91bootstrap";
172 172 reg = <0x0 0x20000>;
173 173 };
174 174
175 175 barebox@20000 {
176 176 label = "barebox";
177 177 reg = <0x20000 0x40000>;
178 178 };
179 179
180 180 bareboxenv@60000 {
181 181 label = "bareboxenv";
182 182 reg = <0x60000 0x20000>;
183 183 };
184 184
185 185 bareboxenv2@80000 {
186 186 label = "bareboxenv2";
187 187 reg = <0x80000 0x20000>;
188 188 };
189 189
190 190 oftree@80000 {
191 191 label = "oftree";
192 192 reg = <0xa0000 0x20000>;
193 193 };
194 194
195 195 kernel@a0000 {
196 196 label = "kernel";
197 197 reg = <0xc0000 0x400000>;
198 198 };
199 199
200 200 rootfs@4a0000 {
201 201 label = "rootfs";
202 202 reg = <0x4c0000 0x7800000>;
203 203 };
204 204
205 205 data@7ca0000 {
206 206 label = "data";
207 207 reg = <0x7cc0000 0x8340000>;
208 208 };
209 }; 209 };
210 }; 210 };
211 }; 211 };
212 }; 212 };
213 213
214 usb0: ohci@500000 { 214 usb0: ohci@500000 {
215 num-ports = <2>; 215 num-ports = <2>;
216 status = "okay"; 216 status = "okay";
217 }; 217 };
218 }; 218 };
219 219
220 i2c-gpio-0 { 220 i2c-gpio-0 {
221 status = "okay"; 221 status = "okay";
222 222
223 24c512@50 { 223 24c512@50 {
224 compatible = "atmel,24 224 compatible = "atmel,24c512";
225 reg = <0x50>; 225 reg = <0x50>;
226 vcc-supply = <®_3v3 226 vcc-supply = <®_3v3>;
227 }; 227 };
228 228
229 wm8731: wm8731@1b { 229 wm8731: wm8731@1b {
230 compatible = "wm8731"; 230 compatible = "wm8731";
231 reg = <0x1b>; 231 reg = <0x1b>;
232 232
233 /* PCK0 at 12MHz */ 233 /* PCK0 at 12MHz */
234 clocks = <&pmc PMC_TYP 234 clocks = <&pmc PMC_TYPE_SYSTEM 8>;
235 clock-names = "mclk"; 235 clock-names = "mclk";
236 assigned-clocks = <&pm 236 assigned-clocks = <&pmc PMC_TYPE_SYSTEM 8>;
237 assigned-clock-rates = 237 assigned-clock-rates = <12000000>;
238 238
239 HPVDD-supply = <&vcc_d 239 HPVDD-supply = <&vcc_dac>;
240 AVDD-supply = <&vcc_da 240 AVDD-supply = <&vcc_dac>;
241 DCVDD-supply = <®_3 241 DCVDD-supply = <®_3v3>;
242 DBVDD-supply = <®_3 242 DBVDD-supply = <®_3v3>;
243 }; 243 };
244 }; 244 };
245 245
246 gpio-keys { 246 gpio-keys {
247 compatible = "gpio-keys"; 247 compatible = "gpio-keys";
248 248
249 button-3 { 249 button-3 {
250 label = "Button 3"; 250 label = "Button 3";
251 gpios = <&pioA 30 GPIO 251 gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
252 linux,code = <0x103>; 252 linux,code = <0x103>;
253 wakeup-source; 253 wakeup-source;
254 }; 254 };
255 255
256 button-4 { 256 button-4 {
257 label = "Button 4"; 257 label = "Button 4";
258 gpios = <&pioA 31 GPIO 258 gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
259 linux,code = <KEY_PROG 259 linux,code = <KEY_PROG1>;
260 wakeup-source; 260 wakeup-source;
261 }; 261 };
262 }; 262 };
263 263
264 sound { 264 sound {
265 compatible = "atmel,at91sam9g2 265 compatible = "atmel,at91sam9g20ek-wm8731-audio";
266 pinctrl-names = "default"; 266 pinctrl-names = "default";
267 pinctrl-0 = <&pinctrl_pck0_as_ 267 pinctrl-0 = <&pinctrl_pck0_as_mck>;
268 268
269 atmel,model = "wm8731 @ AT91SA 269 atmel,model = "wm8731 @ AT91SAMG20EK";
270 270
271 atmel,audio-routing = 271 atmel,audio-routing =
272 "Ext Spk", "LHPOUT", 272 "Ext Spk", "LHPOUT",
273 "Int Mic", "MICIN"; 273 "Int Mic", "MICIN";
274 274
275 atmel,ssc-controller = <&ssc0> 275 atmel,ssc-controller = <&ssc0>;
276 atmel,audio-codec = <&wm8731>; 276 atmel,audio-codec = <&wm8731>;
277 }; 277 };
278 278
279 reg_5v: fixedregulator0 { 279 reg_5v: fixedregulator0 {
280 compatible = "regulator-fixed" 280 compatible = "regulator-fixed";
281 regulator-name = "5V"; 281 regulator-name = "5V";
282 regulator-min-microvolt = <500 282 regulator-min-microvolt = <5000000>;
283 regulator-max-microvolt = <500 283 regulator-max-microvolt = <5000000>;
284 }; 284 };
285 285
286 reg_3v3: fixedregulator1 { 286 reg_3v3: fixedregulator1 {
287 compatible = "regulator-fixed" 287 compatible = "regulator-fixed";
288 regulator-name = "3V3"; 288 regulator-name = "3V3";
289 vin-supply = <®_5v>; 289 vin-supply = <®_5v>;
290 regulator-min-microvolt = <330 290 regulator-min-microvolt = <3300000>;
291 regulator-max-microvolt = <330 291 regulator-max-microvolt = <3300000>;
292 }; 292 };
293 293
294 reg_1v: fixedregulator2 { 294 reg_1v: fixedregulator2 {
295 compatible = "regulator-fixed" 295 compatible = "regulator-fixed";
296 regulator-name = "1V"; 296 regulator-name = "1V";
297 vin-supply = <®_5v>; 297 vin-supply = <®_5v>;
298 regulator-min-microvolt = <100 298 regulator-min-microvolt = <1000000>;
299 regulator-max-microvolt = <100 299 regulator-max-microvolt = <1000000>;
300 }; 300 };
301 301
302 vcc_dac: fixedregulator3 { 302 vcc_dac: fixedregulator3 {
303 compatible = "regulator-fixed" 303 compatible = "regulator-fixed";
304 regulator-name = "VCC_DAC"; 304 regulator-name = "VCC_DAC";
305 vin-supply = <®_3v3>; 305 vin-supply = <®_3v3>;
306 regulator-min-microvolt = <330 306 regulator-min-microvolt = <3300000>;
307 regulator-max-microvolt = <330 307 regulator-max-microvolt = <3300000>;
308 }; 308 };
309 }; 309 };
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