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11#include <linux/kernel.h>
12#include <linux/types.h>
13#include <linux/interrupt.h>
14#include <linux/list.h>
15#include <linux/delay.h>
16#include <linux/timer.h>
17#include <linux/init.h>
18#include <linux/gpio.h>
19#include <linux/gpio_keys.h>
20#include <linux/workqueue.h>
21#include <linux/platform_device.h>
22#include <linux/serial_core.h>
23#include <linux/serial_s3c.h>
24#include <linux/input.h>
25#include <linux/io.h>
26#include <linux/i2c.h>
27
28#include <linux/mmc/host.h>
29
30#include <linux/mfd/pcf50633/adc.h>
31#include <linux/mfd/pcf50633/backlight.h>
32#include <linux/mfd/pcf50633/core.h>
33#include <linux/mfd/pcf50633/gpio.h>
34#include <linux/mfd/pcf50633/mbc.h>
35#include <linux/mfd/pcf50633/pmic.h>
36
37#include <linux/mtd/mtd.h>
38#include <linux/mtd/rawnand.h>
39#include <linux/mtd/nand_ecc.h>
40#include <linux/mtd/partitions.h>
41#include <linux/mtd/physmap.h>
42
43#include <linux/regulator/machine.h>
44
45#include <linux/spi/spi.h>
46#include <linux/spi/s3c24xx.h>
47
48#include <asm/irq.h>
49#include <asm/mach-types.h>
50#include <asm/mach/arch.h>
51#include <asm/mach/map.h>
52#include <asm/mach/irq.h>
53
54#include <linux/platform_data/i2c-s3c2410.h>
55#include <linux/platform_data/mtd-nand-s3c2410.h>
56#include <linux/platform_data/touchscreen-s3c2410.h>
57#include <linux/platform_data/usb-ohci-s3c2410.h>
58#include <linux/platform_data/usb-s3c2410_udc.h>
59
60#include <mach/fb.h>
61#include <mach/hardware.h>
62#include <mach/regs-gpio.h>
63#include <mach/regs-irq.h>
64#include <mach/gpio-samsung.h>
65
66#include <plat/cpu.h>
67#include <plat/devs.h>
68#include <plat/gpio-cfg.h>
69#include <plat/pm.h>
70#include <plat/samsung-time.h>
71
72#include "common.h"
73#include "gta02.h"
74
75static struct pcf50633 *gta02_pcf;
76
77
78
79
80
81static long gta02_panic_blink(int state)
82{
83 long delay = 0;
84 char led;
85
86 led = (state) ? 1 : 0;
87 gpio_direction_output(GTA02_GPIO_AUX_LED, led);
88
89 return delay;
90}
91
92
93static struct map_desc gta02_iodesc[] __initdata = {
94 {
95 .virtual = 0xe0000000,
96 .pfn = __phys_to_pfn(S3C2410_CS3 + 0x01000000),
97 .length = SZ_1M,
98 .type = MT_DEVICE
99 },
100};
101
102#define UCON (S3C2410_UCON_DEFAULT | S3C2443_UCON_RXERR_IRQEN)
103#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
104#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
105
106static struct s3c2410_uartcfg gta02_uartcfgs[] = {
107 [0] = {
108 .hwport = 0,
109 .flags = 0,
110 .ucon = UCON,
111 .ulcon = ULCON,
112 .ufcon = UFCON,
113 },
114 [1] = {
115 .hwport = 1,
116 .flags = 0,
117 .ucon = UCON,
118 .ulcon = ULCON,
119 .ufcon = UFCON,
120 },
121 [2] = {
122 .hwport = 2,
123 .flags = 0,
124 .ucon = UCON,
125 .ulcon = ULCON,
126 .ufcon = UFCON,
127 },
128};
129
130#ifdef CONFIG_CHARGER_PCF50633
131
132
133
134
135
136
137
138
139#define ADC_NOM_CHG_DETECT_1A 6
140#define ADC_NOM_CHG_DETECT_USB 43
141
142#ifdef CONFIG_PCF50633_ADC
143static void
144gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res)
145{
146 int ma;
147
148
149 if (res < ((ADC_NOM_CHG_DETECT_USB + ADC_NOM_CHG_DETECT_1A) / 2)) {
150
151
152
153
154
155 pcf50633_gpio_set(pcf, PCF50633_GPO, 0);
156
157 ma = 1000;
158 } else
159 ma = 100;
160
161 pcf50633_mbc_usb_curlim_set(pcf, ma);
162}
163#endif
164
165static struct delayed_work gta02_charger_work;
166static int gta02_usb_vbus_draw;
167
168static void gta02_charger_worker(struct work_struct *work)
169{
170 if (gta02_usb_vbus_draw) {
171 pcf50633_mbc_usb_curlim_set(gta02_pcf, gta02_usb_vbus_draw);
172 return;
173 }
174
175#ifdef CONFIG_PCF50633_ADC
176 pcf50633_adc_async_read(gta02_pcf,
177 PCF50633_ADCC1_MUX_ADCIN1,
178 PCF50633_ADCC1_AVERAGE_16,
179 gta02_configure_pmu_for_charger,
180 NULL);
181#else
182
183
184
185
186 pcf50633_mbc_usb_curlim_set(gta02_pcf, 100);
187#endif
188}
189
190#define GTA02_CHARGER_CONFIGURE_TIMEOUT ((3000 * HZ) / 1000)
191
192static void gta02_pmu_event_callback(struct pcf50633 *pcf, int irq)
193{
194 if (irq == PCF50633_IRQ_USBINS) {
195 schedule_delayed_work(>a02_charger_work,
196 GTA02_CHARGER_CONFIGURE_TIMEOUT);
197
198 return;
199 }
200
201 if (irq == PCF50633_IRQ_USBREM) {
202 cancel_delayed_work_sync(>a02_charger_work);
203 gta02_usb_vbus_draw = 0;
204 }
205}
206
207static void gta02_udc_vbus_draw(unsigned int ma)
208{
209 if (!gta02_pcf)
210 return;
211
212 gta02_usb_vbus_draw = ma;
213
214 schedule_delayed_work(>a02_charger_work,
215 GTA02_CHARGER_CONFIGURE_TIMEOUT);
216}
217#else
218#define gta02_pmu_event_callback NULL
219#define gta02_udc_vbus_draw NULL
220#endif
221
222
223
224
225
226
227
228
229
230static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf);
231
232
233static char *gta02_batteries[] = {
234 "battery",
235};
236
237static struct pcf50633_bl_platform_data gta02_backlight_data = {
238 .default_brightness = 0x3f,
239 .default_brightness_limit = 0,
240 .ramp_time = 5,
241};
242
243static struct pcf50633_platform_data gta02_pcf_pdata = {
244 .resumers = {
245 [0] = PCF50633_INT1_USBINS |
246 PCF50633_INT1_USBREM |
247 PCF50633_INT1_ALARM,
248 [1] = PCF50633_INT2_ONKEYF,
249 [2] = PCF50633_INT3_ONKEY1S,
250 [3] = PCF50633_INT4_LOWSYS |
251 PCF50633_INT4_LOWBAT |
252 PCF50633_INT4_HIGHTMP,
253 },
254
255 .batteries = gta02_batteries,
256 .num_batteries = ARRAY_SIZE(gta02_batteries),
257
258 .charger_reference_current_ma = 1000,
259
260 .backlight_data = >a02_backlight_data,
261
262 .reg_init_data = {
263 [PCF50633_REGULATOR_AUTO] = {
264 .constraints = {
265 .min_uV = 3300000,
266 .max_uV = 3300000,
267 .valid_modes_mask = REGULATOR_MODE_NORMAL,
268 .always_on = 1,
269 .apply_uV = 1,
270 },
271 },
272 [PCF50633_REGULATOR_DOWN1] = {
273 .constraints = {
274 .min_uV = 1300000,
275 .max_uV = 1600000,
276 .valid_modes_mask = REGULATOR_MODE_NORMAL,
277 .always_on = 1,
278 .apply_uV = 1,
279 },
280 },
281 [PCF50633_REGULATOR_DOWN2] = {
282 .constraints = {
283 .min_uV = 1800000,
284 .max_uV = 1800000,
285 .valid_modes_mask = REGULATOR_MODE_NORMAL,
286 .apply_uV = 1,
287 .always_on = 1,
288 },
289 },
290 [PCF50633_REGULATOR_HCLDO] = {
291 .constraints = {
292 .min_uV = 2000000,
293 .max_uV = 3300000,
294 .valid_modes_mask = REGULATOR_MODE_NORMAL,
295 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
296 REGULATOR_CHANGE_STATUS,
297 },
298 },
299 [PCF50633_REGULATOR_LDO1] = {
300 .constraints = {
301 .min_uV = 3300000,
302 .max_uV = 3300000,
303 .valid_modes_mask = REGULATOR_MODE_NORMAL,
304 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
305 .apply_uV = 1,
306 },
307 },
308 [PCF50633_REGULATOR_LDO2] = {
309 .constraints = {
310 .min_uV = 3300000,
311 .max_uV = 3300000,
312 .valid_modes_mask = REGULATOR_MODE_NORMAL,
313 .apply_uV = 1,
314 },
315 },
316 [PCF50633_REGULATOR_LDO3] = {
317 .constraints = {
318 .min_uV = 3000000,
319 .max_uV = 3000000,
320 .valid_modes_mask = REGULATOR_MODE_NORMAL,
321 .apply_uV = 1,
322 },
323 },
324 [PCF50633_REGULATOR_LDO4] = {
325 .constraints = {
326 .min_uV = 3200000,
327 .max_uV = 3200000,
328 .valid_modes_mask = REGULATOR_MODE_NORMAL,
329 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
330 .apply_uV = 1,
331 },
332 },
333 [PCF50633_REGULATOR_LDO5] = {
334 .constraints = {
335 .min_uV = 3000000,
336 .max_uV = 3000000,
337 .valid_modes_mask = REGULATOR_MODE_NORMAL,
338 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
339 .apply_uV = 1,
340 },
341 },
342 [PCF50633_REGULATOR_LDO6] = {
343 .constraints = {
344 .min_uV = 3000000,
345 .max_uV = 3000000,
346 .valid_modes_mask = REGULATOR_MODE_NORMAL,
347 },
348 },
349 [PCF50633_REGULATOR_MEMLDO] = {
350 .constraints = {
351 .min_uV = 1800000,
352 .max_uV = 1800000,
353 .valid_modes_mask = REGULATOR_MODE_NORMAL,
354 },
355 },
356
357 },
358 .probe_done = gta02_pmu_attach_child_devices,
359 .mbc_event_callback = gta02_pmu_event_callback,
360};
361
362
363
364
365#define GTA02_FLASH_BASE 0x18000000
366#define GTA02_FLASH_SIZE 0x200000
367
368static struct physmap_flash_data gta02_nor_flash_data = {
369 .width = 2,
370};
371
372static struct resource gta02_nor_flash_resource =
373 DEFINE_RES_MEM(GTA02_FLASH_BASE, GTA02_FLASH_SIZE);
374
375static struct platform_device gta02_nor_flash = {
376 .name = "physmap-flash",
377 .id = 0,
378 .dev = {
379 .platform_data = >a02_nor_flash_data,
380 },
381 .resource = >a02_nor_flash_resource,
382 .num_resources = 1,
383};
384
385
386static struct platform_device s3c24xx_pwm_device = {
387 .name = "s3c24xx_pwm",
388 .num_resources = 0,
389};
390
391static struct platform_device gta02_dfbmcs320_device = {
392 .name = "dfbmcs320",
393};
394
395static struct i2c_board_info gta02_i2c_devs[] __initdata = {
396 {
397 I2C_BOARD_INFO("pcf50633", 0x73),
398 .irq = GTA02_IRQ_PCF50633,
399 .platform_data = >a02_pcf_pdata,
400 },
401 {
402 I2C_BOARD_INFO("wm8753", 0x1a),
403 },
404};
405
406static struct s3c2410_nand_set __initdata gta02_nand_sets[] = {
407 [0] = {
408
409
410
411
412
413
414 .name = "neo1973-nand",
415 .nr_chips = 1,
416 .flash_bbt = 1,
417 },
418};
419
420
421
422
423
424
425static struct s3c2410_platform_nand __initdata gta02_nand_info = {
426 .tacls = 0,
427 .twrph0 = 25,
428 .twrph1 = 15,
429 .nr_sets = ARRAY_SIZE(gta02_nand_sets),
430 .sets = gta02_nand_sets,
431 .ecc_mode = NAND_ECC_SOFT,
432};
433
434
435
436static struct s3c2410_udc_mach_info gta02_udc_cfg __initdata = {
437 .vbus_draw = gta02_udc_vbus_draw,
438 .pullup_pin = GTA02_GPIO_USB_PULLUP,
439};
440
441
442static struct s3c2410_hcd_info gta02_usb_info __initdata = {
443 .port[0] = {
444 .flags = S3C_HCDFLG_USED,
445 },
446 .port[1] = {
447 .flags = 0,
448 },
449};
450
451
452static struct s3c2410_ts_mach_info gta02_ts_info = {
453 .delay = 10000,
454 .presc = 0xff,
455 .oversampling_shift = 2,
456};
457
458
459static struct gpio_keys_button gta02_buttons[] = {
460 {
461 .gpio = GTA02_GPIO_AUX_KEY,
462 .code = KEY_PHONE,
463 .desc = "Aux",
464 .type = EV_KEY,
465 .debounce_interval = 100,
466 },
467 {
468 .gpio = GTA02_GPIO_HOLD_KEY,
469 .code = KEY_PAUSE,
470 .desc = "Hold",
471 .type = EV_KEY,
472 .debounce_interval = 100,
473 },
474};
475
476static struct gpio_keys_platform_data gta02_buttons_pdata = {
477 .buttons = gta02_buttons,
478 .nbuttons = ARRAY_SIZE(gta02_buttons),
479};
480
481static struct platform_device gta02_buttons_device = {
482 .name = "gpio-keys",
483 .id = -1,
484 .dev = {
485 .platform_data = >a02_buttons_pdata,
486 },
487};
488
489static void __init gta02_map_io(void)
490{
491 s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc));
492 s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs));
493 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
494}
495
496
497
498
499static struct platform_device *gta02_devices[] __initdata = {
500 &s3c_device_ohci,
501 &s3c_device_wdt,
502 &s3c_device_sdi,
503 &s3c_device_usbgadget,
504 &s3c_device_nand,
505 >a02_nor_flash,
506 &s3c24xx_pwm_device,
507 &s3c_device_iis,
508 &s3c_device_i2c0,
509 >a02_dfbmcs320_device,
510 >a02_buttons_device,
511 &s3c_device_adc,
512 &s3c_device_ts,
513};
514
515
516
517static struct platform_device *gta02_devices_pmu_children[] = {
518};
519
520
521
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523
524
525
526
527
528
529
530
531static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf)
532{
533 int n;
534
535
536 gta02_pcf = pcf;
537
538 for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++)
539 gta02_devices_pmu_children[n]->dev.parent = pcf->dev;
540
541 platform_add_devices(gta02_devices_pmu_children,
542 ARRAY_SIZE(gta02_devices_pmu_children));
543}
544
545static void gta02_poweroff(void)
546{
547 pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN, 1, 1);
548}
549
550static void __init gta02_machine_init(void)
551{
552
553 panic_blink = gta02_panic_blink;
554
555 s3c_pm_init();
556
557#ifdef CONFIG_CHARGER_PCF50633
558 INIT_DELAYED_WORK(>a02_charger_work, gta02_charger_worker);
559#endif
560
561 s3c24xx_udc_set_platdata(>a02_udc_cfg);
562 s3c24xx_ts_set_platdata(>a02_ts_info);
563 s3c_ohci_set_platdata(>a02_usb_info);
564 s3c_nand_set_platdata(>a02_nand_info);
565 s3c_i2c0_set_platdata(NULL);
566
567 i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs));
568
569 platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices));
570 pm_power_off = gta02_poweroff;
571
572 regulator_has_full_constraints();
573}
574
575static void __init gta02_init_time(void)
576{
577 s3c2442_init_clocks(12000000);
578 samsung_timer_init();
579}
580
581MACHINE_START(NEO1973_GTA02, "GTA02")
582
583 .atag_offset = 0x100,
584 .map_io = gta02_map_io,
585 .init_irq = s3c2442_init_irq,
586 .init_machine = gta02_machine_init,
587 .init_time = gta02_init_time,
588MACHINE_END
589