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9d76295a | 1 | /* |
9d76295a AG |
2 | * S3C2442 Machine Support for Openmoko GTA02 / FreeRunner. |
3 | * | |
4 | * Copyright (C) 2006-2009 by Openmoko, Inc. | |
5 | * Authors: Harald Welte <laforge@openmoko.org> | |
6 | * Andy Green <andy@openmoko.org> | |
7 | * Werner Almesberger <werner@openmoko.org> | |
8 | * All rights reserved. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or | |
11 | * modify it under the terms of the GNU General Public License as | |
12 | * published by the Free Software Foundation; either version 2 of | |
13 | * the License, or (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
23 | * MA 02111-1307 USA | |
9d76295a AG |
24 | */ |
25 | ||
26 | #include <linux/kernel.h> | |
27 | #include <linux/types.h> | |
28 | #include <linux/interrupt.h> | |
29 | #include <linux/list.h> | |
30 | #include <linux/delay.h> | |
31 | #include <linux/timer.h> | |
32 | #include <linux/init.h> | |
33 | #include <linux/gpio.h> | |
b2ca7871 | 34 | #include <linux/gpio_keys.h> |
9d76295a AG |
35 | #include <linux/workqueue.h> |
36 | #include <linux/platform_device.h> | |
37 | #include <linux/serial_core.h> | |
334a1c70 | 38 | #include <linux/serial_s3c.h> |
b2ca7871 KK |
39 | #include <linux/input.h> |
40 | #include <linux/io.h> | |
41 | #include <linux/i2c.h> | |
9d76295a AG |
42 | |
43 | #include <linux/mmc/host.h> | |
44 | ||
b2ca7871 KK |
45 | #include <linux/mfd/pcf50633/adc.h> |
46 | #include <linux/mfd/pcf50633/backlight.h> | |
47 | #include <linux/mfd/pcf50633/core.h> | |
48 | #include <linux/mfd/pcf50633/gpio.h> | |
49 | #include <linux/mfd/pcf50633/mbc.h> | |
50 | #include <linux/mfd/pcf50633/pmic.h> | |
51 | ||
9d76295a AG |
52 | #include <linux/mtd/mtd.h> |
53 | #include <linux/mtd/nand.h> | |
54 | #include <linux/mtd/nand_ecc.h> | |
55 | #include <linux/mtd/partitions.h> | |
56 | #include <linux/mtd/physmap.h> | |
9d76295a | 57 | |
9d76295a AG |
58 | #include <linux/regulator/machine.h> |
59 | ||
b2ca7871 KK |
60 | #include <linux/spi/spi.h> |
61 | #include <linux/spi/s3c24xx.h> | |
003ddede | 62 | |
b2ca7871 KK |
63 | #include <asm/irq.h> |
64 | #include <asm/mach-types.h> | |
9d76295a AG |
65 | #include <asm/mach/arch.h> |
66 | #include <asm/mach/map.h> | |
67 | #include <asm/mach/irq.h> | |
68 | ||
b2ca7871 KK |
69 | #include <linux/platform_data/i2c-s3c2410.h> |
70 | #include <linux/platform_data/mtd-nand-s3c2410.h> | |
71 | #include <linux/platform_data/touchscreen-s3c2410.h> | |
72 | #include <linux/platform_data/usb-ohci-s3c2410.h> | |
73 | #include <linux/platform_data/usb-s3c2410_udc.h> | |
9d76295a | 74 | |
9d76295a | 75 | #include <mach/fb.h> |
9d76295a | 76 | #include <mach/hardware.h> |
b2ca7871 KK |
77 | #include <mach/regs-gpio.h> |
78 | #include <mach/regs-irq.h> | |
b0161caa | 79 | #include <mach/gpio-samsung.h> |
9d76295a | 80 | |
9d76295a | 81 | #include <plat/cpu.h> |
b2ca7871 | 82 | #include <plat/devs.h> |
9d76295a | 83 | #include <plat/gpio-cfg.h> |
b2ca7871 | 84 | #include <plat/pm.h> |
7f78b6eb | 85 | #include <plat/samsung-time.h> |
d73af183 | 86 | |
b27b0727 | 87 | #include "common.h" |
b2ca7871 | 88 | #include "gta02.h" |
9d76295a AG |
89 | |
90 | static struct pcf50633 *gta02_pcf; | |
91 | ||
92 | /* | |
c7ff0d9c | 93 | * This gets called frequently when we paniced. |
9d76295a AG |
94 | */ |
95 | ||
c7ff0d9c | 96 | static long gta02_panic_blink(int state) |
9d76295a AG |
97 | { |
98 | long delay = 0; | |
c7ff0d9c | 99 | char led; |
9d76295a | 100 | |
c7ff0d9c | 101 | led = (state) ? 1 : 0; |
9d76295a AG |
102 | gpio_direction_output(GTA02_GPIO_AUX_LED, led); |
103 | ||
9d76295a AG |
104 | return delay; |
105 | } | |
106 | ||
107 | ||
108 | static struct map_desc gta02_iodesc[] __initdata = { | |
109 | { | |
110 | .virtual = 0xe0000000, | |
111 | .pfn = __phys_to_pfn(S3C2410_CS3 + 0x01000000), | |
112 | .length = SZ_1M, | |
113 | .type = MT_DEVICE | |
114 | }, | |
115 | }; | |
116 | ||
117 | #define UCON (S3C2410_UCON_DEFAULT | S3C2443_UCON_RXERR_IRQEN) | |
118 | #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB) | |
119 | #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE) | |
120 | ||
121 | static struct s3c2410_uartcfg gta02_uartcfgs[] = { | |
122 | [0] = { | |
123 | .hwport = 0, | |
124 | .flags = 0, | |
125 | .ucon = UCON, | |
126 | .ulcon = ULCON, | |
127 | .ufcon = UFCON, | |
128 | }, | |
129 | [1] = { | |
130 | .hwport = 1, | |
131 | .flags = 0, | |
132 | .ucon = UCON, | |
133 | .ulcon = ULCON, | |
134 | .ufcon = UFCON, | |
135 | }, | |
136 | [2] = { | |
137 | .hwport = 2, | |
138 | .flags = 0, | |
139 | .ucon = UCON, | |
140 | .ulcon = ULCON, | |
141 | .ufcon = UFCON, | |
142 | }, | |
143 | }; | |
144 | ||
145 | #ifdef CONFIG_CHARGER_PCF50633 | |
146 | /* | |
147 | * On GTA02 the 1A charger features a 48K resistor to 0V on the ID pin. | |
148 | * We use this to recognize that we can pull 1A from the USB socket. | |
149 | * | |
150 | * These constants are the measured pcf50633 ADC levels with the 1A | |
151 | * charger / 48K resistor, and with no pulldown resistor. | |
152 | */ | |
153 | ||
154 | #define ADC_NOM_CHG_DETECT_1A 6 | |
155 | #define ADC_NOM_CHG_DETECT_USB 43 | |
156 | ||
8db9a202 | 157 | #ifdef CONFIG_PCF50633_ADC |
9d76295a AG |
158 | static void |
159 | gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res) | |
160 | { | |
161 | int ma; | |
162 | ||
163 | /* Interpret charger type */ | |
164 | if (res < ((ADC_NOM_CHG_DETECT_USB + ADC_NOM_CHG_DETECT_1A) / 2)) { | |
165 | ||
166 | /* | |
167 | * Sanity - stop GPO driving out now that we have a 1A charger | |
168 | * GPO controls USB Host power generation on GTA02 | |
169 | */ | |
170 | pcf50633_gpio_set(pcf, PCF50633_GPO, 0); | |
171 | ||
172 | ma = 1000; | |
173 | } else | |
174 | ma = 100; | |
175 | ||
176 | pcf50633_mbc_usb_curlim_set(pcf, ma); | |
177 | } | |
8db9a202 | 178 | #endif |
9d76295a AG |
179 | |
180 | static struct delayed_work gta02_charger_work; | |
181 | static int gta02_usb_vbus_draw; | |
182 | ||
183 | static void gta02_charger_worker(struct work_struct *work) | |
184 | { | |
185 | if (gta02_usb_vbus_draw) { | |
186 | pcf50633_mbc_usb_curlim_set(gta02_pcf, gta02_usb_vbus_draw); | |
187 | return; | |
188 | } | |
189 | ||
190 | #ifdef CONFIG_PCF50633_ADC | |
191 | pcf50633_adc_async_read(gta02_pcf, | |
192 | PCF50633_ADCC1_MUX_ADCIN1, | |
193 | PCF50633_ADCC1_AVERAGE_16, | |
194 | gta02_configure_pmu_for_charger, | |
195 | NULL); | |
196 | #else | |
197 | /* | |
198 | * If the PCF50633 ADC is disabled we fallback to a | |
199 | * 100mA limit for safety. | |
200 | */ | |
645e27b0 | 201 | pcf50633_mbc_usb_curlim_set(gta02_pcf, 100); |
9d76295a AG |
202 | #endif |
203 | } | |
204 | ||
205 | #define GTA02_CHARGER_CONFIGURE_TIMEOUT ((3000 * HZ) / 1000) | |
206 | ||
207 | static void gta02_pmu_event_callback(struct pcf50633 *pcf, int irq) | |
208 | { | |
209 | if (irq == PCF50633_IRQ_USBINS) { | |
210 | schedule_delayed_work(>a02_charger_work, | |
211 | GTA02_CHARGER_CONFIGURE_TIMEOUT); | |
212 | ||
213 | return; | |
214 | } | |
215 | ||
216 | if (irq == PCF50633_IRQ_USBREM) { | |
217 | cancel_delayed_work_sync(>a02_charger_work); | |
218 | gta02_usb_vbus_draw = 0; | |
219 | } | |
220 | } | |
221 | ||
222 | static void gta02_udc_vbus_draw(unsigned int ma) | |
223 | { | |
224 | if (!gta02_pcf) | |
225 | return; | |
226 | ||
227 | gta02_usb_vbus_draw = ma; | |
228 | ||
229 | schedule_delayed_work(>a02_charger_work, | |
230 | GTA02_CHARGER_CONFIGURE_TIMEOUT); | |
231 | } | |
232 | #else /* !CONFIG_CHARGER_PCF50633 */ | |
233 | #define gta02_pmu_event_callback NULL | |
234 | #define gta02_udc_vbus_draw NULL | |
235 | #endif | |
236 | ||
237 | /* | |
238 | * This is called when pc50633 is probed, unfortunately quite late in the | |
239 | * day since it is an I2C bus device. Here we can belatedly define some | |
240 | * platform devices with the advantage that we can mark the pcf50633 as the | |
241 | * parent. This makes them get suspended and resumed with their parent | |
242 | * the pcf50633 still around. | |
243 | */ | |
244 | ||
245 | static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf); | |
246 | ||
247 | ||
248 | static char *gta02_batteries[] = { | |
249 | "battery", | |
250 | }; | |
251 | ||
67e67df8 LPC |
252 | static struct pcf50633_bl_platform_data gta02_backlight_data = { |
253 | .default_brightness = 0x3f, | |
254 | .default_brightness_limit = 0, | |
255 | .ramp_time = 5, | |
256 | }; | |
257 | ||
4cfb7b7c | 258 | static struct pcf50633_platform_data gta02_pcf_pdata = { |
9d76295a AG |
259 | .resumers = { |
260 | [0] = PCF50633_INT1_USBINS | | |
261 | PCF50633_INT1_USBREM | | |
262 | PCF50633_INT1_ALARM, | |
263 | [1] = PCF50633_INT2_ONKEYF, | |
264 | [2] = PCF50633_INT3_ONKEY1S, | |
265 | [3] = PCF50633_INT4_LOWSYS | | |
266 | PCF50633_INT4_LOWBAT | | |
267 | PCF50633_INT4_HIGHTMP, | |
268 | }, | |
269 | ||
270 | .batteries = gta02_batteries, | |
271 | .num_batteries = ARRAY_SIZE(gta02_batteries), | |
2f745dde LPC |
272 | |
273 | .charger_reference_current_ma = 1000, | |
274 | ||
67e67df8 LPC |
275 | .backlight_data = >a02_backlight_data, |
276 | ||
9d76295a AG |
277 | .reg_init_data = { |
278 | [PCF50633_REGULATOR_AUTO] = { | |
279 | .constraints = { | |
280 | .min_uV = 3300000, | |
281 | .max_uV = 3300000, | |
282 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | |
283 | .always_on = 1, | |
284 | .apply_uV = 1, | |
9d76295a AG |
285 | }, |
286 | }, | |
287 | [PCF50633_REGULATOR_DOWN1] = { | |
288 | .constraints = { | |
289 | .min_uV = 1300000, | |
290 | .max_uV = 1600000, | |
291 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | |
292 | .always_on = 1, | |
293 | .apply_uV = 1, | |
294 | }, | |
295 | }, | |
296 | [PCF50633_REGULATOR_DOWN2] = { | |
297 | .constraints = { | |
298 | .min_uV = 1800000, | |
299 | .max_uV = 1800000, | |
300 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | |
301 | .apply_uV = 1, | |
302 | .always_on = 1, | |
9d76295a AG |
303 | }, |
304 | }, | |
305 | [PCF50633_REGULATOR_HCLDO] = { | |
306 | .constraints = { | |
307 | .min_uV = 2000000, | |
308 | .max_uV = 3300000, | |
309 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | |
7cda3440 LPC |
310 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
311 | REGULATOR_CHANGE_STATUS, | |
9d76295a AG |
312 | }, |
313 | }, | |
314 | [PCF50633_REGULATOR_LDO1] = { | |
315 | .constraints = { | |
316 | .min_uV = 3300000, | |
317 | .max_uV = 3300000, | |
318 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | |
7cda3440 | 319 | .valid_ops_mask = REGULATOR_CHANGE_STATUS, |
9d76295a | 320 | .apply_uV = 1, |
9d76295a AG |
321 | }, |
322 | }, | |
323 | [PCF50633_REGULATOR_LDO2] = { | |
324 | .constraints = { | |
325 | .min_uV = 3300000, | |
326 | .max_uV = 3300000, | |
327 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | |
328 | .apply_uV = 1, | |
329 | }, | |
330 | }, | |
331 | [PCF50633_REGULATOR_LDO3] = { | |
332 | .constraints = { | |
333 | .min_uV = 3000000, | |
334 | .max_uV = 3000000, | |
335 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | |
336 | .apply_uV = 1, | |
337 | }, | |
338 | }, | |
339 | [PCF50633_REGULATOR_LDO4] = { | |
340 | .constraints = { | |
341 | .min_uV = 3200000, | |
342 | .max_uV = 3200000, | |
343 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | |
7cda3440 | 344 | .valid_ops_mask = REGULATOR_CHANGE_STATUS, |
9d76295a AG |
345 | .apply_uV = 1, |
346 | }, | |
347 | }, | |
348 | [PCF50633_REGULATOR_LDO5] = { | |
349 | .constraints = { | |
350 | .min_uV = 3000000, | |
351 | .max_uV = 3000000, | |
352 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | |
7cda3440 | 353 | .valid_ops_mask = REGULATOR_CHANGE_STATUS, |
9d76295a | 354 | .apply_uV = 1, |
9d76295a AG |
355 | }, |
356 | }, | |
357 | [PCF50633_REGULATOR_LDO6] = { | |
358 | .constraints = { | |
359 | .min_uV = 3000000, | |
360 | .max_uV = 3000000, | |
361 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | |
362 | }, | |
363 | }, | |
364 | [PCF50633_REGULATOR_MEMLDO] = { | |
365 | .constraints = { | |
366 | .min_uV = 1800000, | |
367 | .max_uV = 1800000, | |
368 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | |
9d76295a AG |
369 | }, |
370 | }, | |
371 | ||
372 | }, | |
373 | .probe_done = gta02_pmu_attach_child_devices, | |
374 | .mbc_event_callback = gta02_pmu_event_callback, | |
375 | }; | |
376 | ||
377 | ||
378 | /* NOR Flash. */ | |
379 | ||
380 | #define GTA02_FLASH_BASE 0x18000000 /* GCS3 */ | |
381 | #define GTA02_FLASH_SIZE 0x200000 /* 2MBytes */ | |
382 | ||
383 | static struct physmap_flash_data gta02_nor_flash_data = { | |
384 | .width = 2, | |
385 | }; | |
386 | ||
1c2bf1d3 TB |
387 | static struct resource gta02_nor_flash_resource = |
388 | DEFINE_RES_MEM(GTA02_FLASH_BASE, GTA02_FLASH_SIZE); | |
9d76295a AG |
389 | |
390 | static struct platform_device gta02_nor_flash = { | |
391 | .name = "physmap-flash", | |
392 | .id = 0, | |
393 | .dev = { | |
394 | .platform_data = >a02_nor_flash_data, | |
395 | }, | |
396 | .resource = >a02_nor_flash_resource, | |
397 | .num_resources = 1, | |
398 | }; | |
399 | ||
400 | ||
4cfb7b7c | 401 | static struct platform_device s3c24xx_pwm_device = { |
9d76295a AG |
402 | .name = "s3c24xx_pwm", |
403 | .num_resources = 0, | |
404 | }; | |
405 | ||
6caa15d0 LPC |
406 | static struct platform_device gta02_dfbmcs320_device = { |
407 | .name = "dfbmcs320", | |
408 | }; | |
409 | ||
9d76295a AG |
410 | static struct i2c_board_info gta02_i2c_devs[] __initdata = { |
411 | { | |
412 | I2C_BOARD_INFO("pcf50633", 0x73), | |
413 | .irq = GTA02_IRQ_PCF50633, | |
414 | .platform_data = >a02_pcf_pdata, | |
415 | }, | |
416 | { | |
417 | I2C_BOARD_INFO("wm8753", 0x1a), | |
418 | }, | |
419 | }; | |
420 | ||
2a3a1804 | 421 | static struct s3c2410_nand_set __initdata gta02_nand_sets[] = { |
9d76295a AG |
422 | [0] = { |
423 | /* | |
424 | * This name is also hard-coded in the boot loaders, so | |
425 | * changing it would would require all users to upgrade | |
426 | * their boot loaders, some of which are stored in a NOR | |
427 | * that is considered to be immutable. | |
428 | */ | |
429 | .name = "neo1973-nand", | |
430 | .nr_chips = 1, | |
76609a69 | 431 | .flash_bbt = 1, |
9d76295a AG |
432 | }, |
433 | }; | |
434 | ||
435 | /* | |
436 | * Choose a set of timings derived from S3C@2442B MCP54 | |
437 | * data sheet (K5D2G13ACM-D075 MCP Memory). | |
438 | */ | |
439 | ||
2a3a1804 | 440 | static struct s3c2410_platform_nand __initdata gta02_nand_info = { |
9d76295a AG |
441 | .tacls = 0, |
442 | .twrph0 = 25, | |
443 | .twrph1 = 15, | |
444 | .nr_sets = ARRAY_SIZE(gta02_nand_sets), | |
445 | .sets = gta02_nand_sets, | |
446 | }; | |
447 | ||
448 | ||
9d76295a | 449 | /* Get PMU to set USB current limit accordingly. */ |
e27c3c5c | 450 | static struct s3c2410_udc_mach_info gta02_udc_cfg __initdata = { |
9d76295a | 451 | .vbus_draw = gta02_udc_vbus_draw, |
e27c3c5c | 452 | .pullup_pin = GTA02_GPIO_USB_PULLUP, |
9d76295a AG |
453 | }; |
454 | ||
9d76295a | 455 | /* USB */ |
f1267520 | 456 | static struct s3c2410_hcd_info gta02_usb_info __initdata = { |
9d76295a AG |
457 | .port[0] = { |
458 | .flags = S3C_HCDFLG_USED, | |
459 | }, | |
460 | .port[1] = { | |
461 | .flags = 0, | |
462 | }, | |
463 | }; | |
464 | ||
d73af183 LPC |
465 | /* Touchscreen */ |
466 | static struct s3c2410_ts_mach_info gta02_ts_info = { | |
467 | .delay = 10000, | |
468 | .presc = 0xff, /* slow as we can go */ | |
469 | .oversampling_shift = 2, | |
470 | }; | |
471 | ||
003ddede LPC |
472 | /* Buttons */ |
473 | static struct gpio_keys_button gta02_buttons[] = { | |
474 | { | |
475 | .gpio = GTA02_GPIO_AUX_KEY, | |
476 | .code = KEY_PHONE, | |
477 | .desc = "Aux", | |
478 | .type = EV_KEY, | |
479 | .debounce_interval = 100, | |
480 | }, | |
481 | { | |
482 | .gpio = GTA02_GPIO_HOLD_KEY, | |
483 | .code = KEY_PAUSE, | |
484 | .desc = "Hold", | |
485 | .type = EV_KEY, | |
486 | .debounce_interval = 100, | |
487 | }, | |
488 | }; | |
489 | ||
490 | static struct gpio_keys_platform_data gta02_buttons_pdata = { | |
491 | .buttons = gta02_buttons, | |
492 | .nbuttons = ARRAY_SIZE(gta02_buttons), | |
493 | }; | |
494 | ||
495 | static struct platform_device gta02_buttons_device = { | |
496 | .name = "gpio-keys", | |
497 | .id = -1, | |
498 | .dev = { | |
499 | .platform_data = >a02_buttons_pdata, | |
500 | }, | |
501 | }; | |
9d76295a AG |
502 | |
503 | static void __init gta02_map_io(void) | |
504 | { | |
505 | s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc)); | |
9d76295a | 506 | s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs)); |
7f78b6eb | 507 | samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); |
9d76295a AG |
508 | } |
509 | ||
510 | ||
511 | /* These are the guys that don't need to be children of PMU. */ | |
512 | ||
513 | static struct platform_device *gta02_devices[] __initdata = { | |
b813248c | 514 | &s3c_device_ohci, |
9d76295a AG |
515 | &s3c_device_wdt, |
516 | &s3c_device_sdi, | |
517 | &s3c_device_usbgadget, | |
518 | &s3c_device_nand, | |
519 | >a02_nor_flash, | |
520 | &s3c24xx_pwm_device, | |
521 | &s3c_device_iis, | |
522 | &s3c_device_i2c0, | |
6caa15d0 | 523 | >a02_dfbmcs320_device, |
003ddede | 524 | >a02_buttons_device, |
d73af183 LPC |
525 | &s3c_device_adc, |
526 | &s3c_device_ts, | |
9d76295a AG |
527 | }; |
528 | ||
529 | /* These guys DO need to be children of PMU. */ | |
530 | ||
531 | static struct platform_device *gta02_devices_pmu_children[] = { | |
9d76295a AG |
532 | }; |
533 | ||
534 | ||
535 | /* | |
536 | * This is called when pc50633 is probed, quite late in the day since it is an | |
537 | * I2C bus device. Here we can define platform devices with the advantage that | |
538 | * we can mark the pcf50633 as the parent. This makes them get suspended and | |
539 | * resumed with their parent the pcf50633 still around. All devices whose | |
540 | * operation depends on something from pcf50633 must have this relationship | |
541 | * made explicit like this, or suspend and resume will become an unreliable | |
542 | * hellworld. | |
543 | */ | |
544 | ||
545 | static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf) | |
546 | { | |
547 | int n; | |
548 | ||
549 | /* Grab a copy of the now probed PMU pointer. */ | |
550 | gta02_pcf = pcf; | |
551 | ||
552 | for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++) | |
553 | gta02_devices_pmu_children[n]->dev.parent = pcf->dev; | |
554 | ||
555 | platform_add_devices(gta02_devices_pmu_children, | |
556 | ARRAY_SIZE(gta02_devices_pmu_children)); | |
557 | } | |
558 | ||
559 | static void gta02_poweroff(void) | |
560 | { | |
561 | pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN, 1, 1); | |
562 | } | |
563 | ||
564 | static void __init gta02_machine_init(void) | |
565 | { | |
c7ff0d9c | 566 | /* Set the panic callback to turn AUX LED on or off. */ |
9d76295a AG |
567 | panic_blink = gta02_panic_blink; |
568 | ||
569 | s3c_pm_init(); | |
570 | ||
571 | #ifdef CONFIG_CHARGER_PCF50633 | |
572 | INIT_DELAYED_WORK(>a02_charger_work, gta02_charger_worker); | |
573 | #endif | |
574 | ||
9d76295a | 575 | s3c24xx_udc_set_platdata(>a02_udc_cfg); |
d73af183 | 576 | s3c24xx_ts_set_platdata(>a02_ts_info); |
f1267520 | 577 | s3c_ohci_set_platdata(>a02_usb_info); |
2a3a1804 | 578 | s3c_nand_set_platdata(>a02_nand_info); |
9d76295a AG |
579 | s3c_i2c0_set_platdata(NULL); |
580 | ||
581 | i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs)); | |
582 | ||
583 | platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices)); | |
584 | pm_power_off = gta02_poweroff; | |
3c861b88 LPC |
585 | |
586 | regulator_has_full_constraints(); | |
9d76295a AG |
587 | } |
588 | ||
a28d618e HS |
589 | static void __init gta02_init_time(void) |
590 | { | |
591 | s3c2442_init_clocks(12000000); | |
592 | samsung_timer_init(); | |
593 | } | |
9d76295a AG |
594 | |
595 | MACHINE_START(NEO1973_GTA02, "GTA02") | |
596 | /* Maintainer: Nelson Castillo <arhuaco@freaks-unidos.net> */ | |
69d50710 | 597 | .atag_offset = 0x100, |
9d76295a | 598 | .map_io = gta02_map_io, |
ce6c164b | 599 | .init_irq = s3c2442_init_irq, |
9d76295a | 600 | .init_machine = gta02_machine_init, |
a28d618e | 601 | .init_time = gta02_init_time, |
9d76295a | 602 | MACHINE_END |