1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Samsung SMDK5250 board device tree source
4 *
5 * Copyright (c) 2012 Samsung Electronics Co.,
6 * http://www.samsung.com
7 */
8
9 /dts-v1/;
10 #include <dt-bindings/clock/maxim,max77686.h>
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/interrupt-controller/irq
13 #include "exynos5250.dtsi"
14
15 / {
16 model = "Samsung SMDK5250 board based
17 compatible = "samsung,smdk5250", "sams
18
19 aliases {
20 mmc0 = &mmc_0;
21 mmc1 = &mmc_2;
22 };
23
24 memory@40000000 {
25 device_type = "memory";
26 reg = <0x40000000 0x80000000>;
27 };
28
29 chosen {
30 bootargs = "root=/dev/ram0 rw
31 stdout-path = "serial2:115200n
32 };
33
34 vdd: fixed-regulator-vdd {
35 compatible = "regulator-fixed"
36 regulator-name = "vdd-supply";
37 regulator-min-microvolt = <180
38 regulator-max-microvolt = <180
39 regulator-always-on;
40 };
41
42 dbvdd: fixed-regulator-dbvdd {
43 compatible = "regulator-fixed"
44 regulator-name = "dbvdd-supply
45 regulator-min-microvolt = <330
46 regulator-max-microvolt = <330
47 regulator-always-on;
48 };
49
50 spkvdd: fixed-regulator-spkvdd {
51 compatible = "regulator-fixed"
52 regulator-name = "spkvdd-suppl
53 regulator-min-microvolt = <500
54 regulator-max-microvolt = <500
55 regulator-always-on;
56 };
57
58 sound {
59 compatible = "samsung,smdk-wm8
60
61 samsung,i2s-controller = <&i2s
62 samsung,audio-codec = <&wm8994
63 };
64
65 fixed-rate-clocks {
66 xxti {
67 compatible = "samsung,
68 clock-frequency = <240
69 };
70
71 codec_mclk: codec-mclk {
72 compatible = "fixed-cl
73 #clock-cells = <0>;
74 clock-frequency = <169
75 };
76 };
77 };
78
79 &cpu0 {
80 cpu0-supply = <&buck2_reg>;
81 };
82
83 &dp {
84 samsung,color-space = <0>;
85 samsung,color-depth = <1>;
86 samsung,link-rate = <0x0a>;
87 samsung,lane-count = <4>;
88
89 pinctrl-names = "default";
90 pinctrl-0 = <&dp_hpd>;
91 status = "okay";
92
93 display-timings {
94 native-mode = <&timing0>;
95
96 timing0: timing {
97 /* 1280x800 */
98 clock-frequency = <500
99 hactive = <1280>;
100 vactive = <800>;
101 hfront-porch = <4>;
102 hback-porch = <4>;
103 hsync-len = <4>;
104 vback-porch = <4>;
105 vfront-porch = <4>;
106 vsync-len = <4>;
107 };
108 };
109 };
110
111 &ehci {
112 samsung,vbus-gpio = <&gpx2 6 GPIO_ACTI
113 };
114
115 &fimd {
116 status = "okay";
117 };
118
119 &hdmi {
120 status = "okay";
121 ddc = <&i2c_2>;
122 hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>
123 vdd-supply = <&ldo8_reg>;
124 vdd_osc-supply = <&ldo10_reg>;
125 vdd_pll-supply = <&ldo8_reg>;
126 };
127
128 &i2c_0 {
129 status = "okay";
130 samsung,i2c-sda-delay = <100>;
131 samsung,i2c-max-bus-freq = <20000>;
132
133 eeprom@50 {
134 compatible = "samsung,s524ad0x
135 reg = <0x50>;
136 };
137
138 max77686: pmic@9 {
139 compatible = "maxim,max77686";
140 reg = <0x09>;
141 interrupt-parent = <&gpx3>;
142 interrupts = <2 IRQ_TYPE_LEVEL
143 pinctrl-names = "default";
144 pinctrl-0 = <&max77686_irq>;
145 #clock-cells = <1>;
146 wakeup-source;
147
148 voltage-regulators {
149 ldo1_reg: LDO1 {
150 regulator-name
151 regulator-min-
152 regulator-max-
153 regulator-alwa
154 };
155
156 ldo2_reg: LDO2 {
157 regulator-name
158 regulator-min-
159 regulator-max-
160 regulator-alwa
161 };
162
163 ldo3_reg: LDO3 {
164 regulator-name
165 regulator-min-
166 regulator-max-
167 regulator-alwa
168 };
169
170 ldo4_reg: LDO4 {
171 regulator-name
172 regulator-min-
173 regulator-max-
174 };
175
176 ldo5_reg: LDO5 {
177 regulator-name
178 regulator-min-
179 regulator-max-
180 };
181
182 ldo6_reg: LDO6 {
183 regulator-name
184 regulator-min-
185 regulator-max-
186 regulator-alwa
187 };
188
189 ldo7_reg: LDO7 {
190 regulator-name
191 regulator-min-
192 regulator-max-
193 regulator-alwa
194 };
195
196 ldo8_reg: LDO8 {
197 regulator-name
198 regulator-min-
199 regulator-max-
200 };
201
202 ldo10_reg: LDO10 {
203 regulator-name
204 regulator-min-
205 regulator-max-
206 regulator-alwa
207 };
208
209 ldo11_reg: LDO11 {
210 regulator-name
211 regulator-min-
212 regulator-max-
213 };
214
215 ldo12_reg: LDO12 {
216 regulator-name
217 regulator-min-
218 regulator-max-
219 };
220
221 ldo13_reg: LDO13 {
222 regulator-name
223 regulator-min-
224 regulator-max-
225 };
226
227 ldo14_reg: LDO14 {
228 regulator-name
229 regulator-min-
230 regulator-max-
231 };
232
233 ldo15_reg: LDO15 {
234 regulator-name
235 regulator-min-
236 regulator-max-
237 };
238
239 ldo16_reg: LDO16 {
240 regulator-name
241 regulator-min-
242 regulator-max-
243 };
244
245 buck1_reg: BUCK1 {
246 regulator-name
247 regulator-min-
248 regulator-max-
249 regulator-alwa
250 regulator-boot
251 };
252
253 buck2_reg: BUCK2 {
254 regulator-name
255 regulator-min-
256 regulator-max-
257 regulator-alwa
258 regulator-boot
259 };
260
261 buck3_reg: BUCK3 {
262 regulator-name
263 regulator-min-
264 regulator-max-
265 regulator-alwa
266 regulator-boot
267 };
268
269 buck4_reg: BUCK4 {
270 regulator-name
271 regulator-min-
272 regulator-max-
273 regulator-alwa
274 regulator-boot
275 };
276
277 buck5_reg: BUCK5 {
278 regulator-name
279 regulator-min-
280 regulator-max-
281 regulator-alwa
282 regulator-boot
283 };
284 };
285 };
286 };
287
288 &i2c_1 {
289 status = "okay";
290 samsung,i2c-sda-delay = <100>;
291 samsung,i2c-max-bus-freq = <20000>;
292
293 eeprom@51 {
294 compatible = "samsung,s524ad0x
295 reg = <0x51>;
296 };
297
298 wm8994: audio-codec@1a {
299 compatible = "wlf,wm8994";
300 reg = <0x1a>;
301
302 gpio-controller;
303 #gpio-cells = <2>;
304
305 clocks = <&codec_mclk>;
306 clock-names = "MCLK1";
307
308 AVDD2-supply = <&vdd>;
309 CPVDD-supply = <&vdd>;
310 DBVDD-supply = <&dbvdd>;
311 SPKVDD1-supply = <&spkvdd>;
312 SPKVDD2-supply = <&spkvdd>;
313 };
314 };
315
316 &i2c_2 {
317 status = "okay";
318 /* used by HDMI DDC */
319 samsung,i2c-sda-delay = <100>;
320 samsung,i2c-max-bus-freq = <66000>;
321 };
322
323 &i2c_8 {
324 status = "okay";
325 /* used by HDMI PHY */
326 samsung,i2c-sda-delay = <100>;
327 samsung,i2c-max-bus-freq = <66000>;
328 };
329
330 &i2c_9 {
331 status = "okay";
332 samsung,i2c-sda-delay = <100>;
333 samsung,i2c-max-bus-freq = <40000>;
334 };
335
336 &i2s0 {
337 status = "okay";
338 };
339
340 &mixer {
341 status = "okay";
342 };
343
344 &mmc_0 {
345 status = "okay";
346 broken-cd;
347 card-detect-delay = <200>;
348 samsung,dw-mshc-ciu-div = <3>;
349 samsung,dw-mshc-sdr-timing = <2 3>;
350 samsung,dw-mshc-ddr-timing = <1 2>;
351 pinctrl-names = "default";
352 pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bu
353 bus-width = <8>;
354 cap-mmc-highspeed;
355 mmc-ddr-1_8v;
356 };
357
358 &mmc_2 {
359 status = "okay";
360 card-detect-delay = <200>;
361 samsung,dw-mshc-ciu-div = <3>;
362 samsung,dw-mshc-sdr-timing = <2 3>;
363 samsung,dw-mshc-ddr-timing = <1 2>;
364 pinctrl-names = "default";
365 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd
366 bus-width = <4>;
367 disable-wp;
368 cap-sd-highspeed;
369 };
370
371 &rtc {
372 status = "okay";
373 clocks = <&clock CLK_RTC>, <&max77686
374 clock-names = "rtc", "rtc_src";
375 };
376
377 &sata {
378 status = "okay";
379 };
380
381 &sata_phy {
382 status = "okay";
383 samsung,exynos-sataphy-i2c-phandle = <
384 };
385
386 &sata_phy_i2c {
387 status = "okay";
388 };
389
390 &spi_1 {
391 status = "okay";
392 cs-gpios = <&gpa2 5 GPIO_ACTIVE_HIGH>;
393
394 flash@0 {
395 #address-cells = <1>;
396 #size-cells = <1>;
397 compatible = "winbond,w25x80",
398 reg = <0>;
399 spi-max-frequency = <1000000>;
400
401 controller-data {
402 samsung,spi-feedback-d
403 };
404
405 partition@0 {
406 label = "U-Boot";
407 reg = <0x0 0x40000>;
408 read-only;
409 };
410
411 partition@40000 {
412 label = "Kernel";
413 reg = <0x40000 0xc0000
414 };
415 };
416 };
417
418 &pinctrl_0 {
419 max77686_irq: max77686-irq-pins {
420 samsung,pins = "gpx3-2";
421 samsung,pin-function = <EXYNOS
422 samsung,pin-pud = <EXYNOS_PIN_
423 samsung,pin-drv = <EXYNOS4_PIN
424 };
425 };
426
427 &usbdrd {
428 vdd10-supply = <&ldo15_reg>;
429 vdd33-supply = <&ldo12_reg>;
430 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.