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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/machine.h>
19#include <linux/gpio.h>
20#include <linux/gpio_keys.h>
21#include <linux/workqueue.h>
22#include <linux/platform_device.h>
23#include <linux/serial_core.h>
24#include <linux/serial_s3c.h>
25#include <linux/input.h>
26#include <linux/io.h>
27#include <linux/i2c.h>
28
29#include <linux/mmc/host.h>
30
31#include <linux/mfd/pcf50633/adc.h>
32#include <linux/mfd/pcf50633/backlight.h>
33#include <linux/mfd/pcf50633/core.h>
34#include <linux/mfd/pcf50633/gpio.h>
35#include <linux/mfd/pcf50633/mbc.h>
36#include <linux/mfd/pcf50633/pmic.h>
37
38#include <linux/mtd/mtd.h>
39#include <linux/mtd/rawnand.h>
40#include <linux/mtd/nand-ecc-sw-hamming.h>
41#include <linux/mtd/partitions.h>
42#include <linux/mtd/physmap.h>
43
44#include <linux/regulator/machine.h>
45
46#include <linux/spi/spi.h>
47#include <linux/spi/s3c24xx.h>
48
49#include <asm/irq.h>
50#include <asm/mach-types.h>
51#include <asm/mach/arch.h>
52#include <asm/mach/map.h>
53#include <asm/mach/irq.h>
54
55#include <linux/platform_data/i2c-s3c2410.h>
56#include <linux/platform_data/mtd-nand-s3c2410.h>
57#include <linux/platform_data/touchscreen-s3c2410.h>
58#include <linux/platform_data/usb-ohci-s3c2410.h>
59#include <linux/platform_data/usb-s3c2410_udc.h>
60#include <linux/platform_data/fb-s3c2410.h>
61
62#include "regs-gpio.h"
63#include "regs-irq.h"
64#include "gpio-samsung.h"
65
66#include "cpu.h"
67#include "devs.h"
68#include "gpio-cfg.h"
69#include "pm.h"
70
71#include "s3c24xx.h"
72#include "gta02.h"
73
74static struct pcf50633 *gta02_pcf;
75
76
77
78
79
80static long gta02_panic_blink(int state)
81{
82 char led;
83
84 led = (state) ? 1 : 0;
85 gpio_direction_output(GTA02_GPIO_AUX_LED, led);
86
87 return 0;
88}
89
90
91static struct map_desc gta02_iodesc[] __initdata = {
92 {
93 .virtual = 0xe0000000,
94 .pfn = __phys_to_pfn(S3C2410_CS3 + 0x01000000),
95 .length = SZ_1M,
96 .type = MT_DEVICE
97 },
98};
99
100#define UCON (S3C2410_UCON_DEFAULT | S3C2443_UCON_RXERR_IRQEN)
101#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
102#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
103
104static struct s3c2410_uartcfg gta02_uartcfgs[] = {
105 [0] = {
106 .hwport = 0,
107 .flags = 0,
108 .ucon = UCON,
109 .ulcon = ULCON,
110 .ufcon = UFCON,
111 },
112 [1] = {
113 .hwport = 1,
114 .flags = 0,
115 .ucon = UCON,
116 .ulcon = ULCON,
117 .ufcon = UFCON,
118 },
119 [2] = {
120 .hwport = 2,
121 .flags = 0,
122 .ucon = UCON,
123 .ulcon = ULCON,
124 .ufcon = UFCON,
125 },
126};
127
128#ifdef CONFIG_CHARGER_PCF50633
129
130
131
132
133
134
135
136
137#define ADC_NOM_CHG_DETECT_1A 6
138#define ADC_NOM_CHG_DETECT_USB 43
139
140#ifdef CONFIG_PCF50633_ADC
141static void
142gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res)
143{
144 int ma;
145
146
147 if (res < ((ADC_NOM_CHG_DETECT_USB + ADC_NOM_CHG_DETECT_1A) / 2)) {
148
149
150
151
152
153 pcf50633_gpio_set(pcf, PCF50633_GPO, 0);
154
155 ma = 1000;
156 } else
157 ma = 100;
158
159 pcf50633_mbc_usb_curlim_set(pcf, ma);
160}
161#endif
162
163static struct delayed_work gta02_charger_work;
164static int gta02_usb_vbus_draw;
165
166static void gta02_charger_worker(struct work_struct *work)
167{
168 if (gta02_usb_vbus_draw) {
169 pcf50633_mbc_usb_curlim_set(gta02_pcf, gta02_usb_vbus_draw);
170 return;
171 }
172
173#ifdef CONFIG_PCF50633_ADC
174 pcf50633_adc_async_read(gta02_pcf,
175 PCF50633_ADCC1_MUX_ADCIN1,
176 PCF50633_ADCC1_AVERAGE_16,
177 gta02_configure_pmu_for_charger,
178 NULL);
179#else
180
181
182
183
184 pcf50633_mbc_usb_curlim_set(gta02_pcf, 100);
185#endif
186}
187
188#define GTA02_CHARGER_CONFIGURE_TIMEOUT ((3000 * HZ) / 1000)
189
190static void gta02_pmu_event_callback(struct pcf50633 *pcf, int irq)
191{
192 if (irq == PCF50633_IRQ_USBINS) {
193 schedule_delayed_work(>a02_charger_work,
194 GTA02_CHARGER_CONFIGURE_TIMEOUT);
195
196 return;
197 }
198
199 if (irq == PCF50633_IRQ_USBREM) {
200 cancel_delayed_work_sync(>a02_charger_work);
201 gta02_usb_vbus_draw = 0;
202 }
203}
204
205static void gta02_udc_vbus_draw(unsigned int ma)
206{
207 if (!gta02_pcf)
208 return;
209
210 gta02_usb_vbus_draw = ma;
211
212 schedule_delayed_work(>a02_charger_work,
213 GTA02_CHARGER_CONFIGURE_TIMEOUT);
214}
215#else
216#define gta02_pmu_event_callback NULL
217#define gta02_udc_vbus_draw NULL
218#endif
219
220static char *gta02_batteries[] = {
221 "battery",
222};
223
224static struct pcf50633_bl_platform_data gta02_backlight_data = {
225 .default_brightness = 0x3f,
226 .default_brightness_limit = 0,
227 .ramp_time = 5,
228};
229
230static struct pcf50633_platform_data gta02_pcf_pdata = {
231 .resumers = {
232 [0] = PCF50633_INT1_USBINS |
233 PCF50633_INT1_USBREM |
234 PCF50633_INT1_ALARM,
235 [1] = PCF50633_INT2_ONKEYF,
236 [2] = PCF50633_INT3_ONKEY1S,
237 [3] = PCF50633_INT4_LOWSYS |
238 PCF50633_INT4_LOWBAT |
239 PCF50633_INT4_HIGHTMP,
240 },
241
242 .batteries = gta02_batteries,
243 .num_batteries = ARRAY_SIZE(gta02_batteries),
244
245 .charger_reference_current_ma = 1000,
246
247 .backlight_data = >a02_backlight_data,
248
249 .reg_init_data = {
250 [PCF50633_REGULATOR_AUTO] = {
251 .constraints = {
252 .min_uV = 3300000,
253 .max_uV = 3300000,
254 .valid_modes_mask = REGULATOR_MODE_NORMAL,
255 .always_on = 1,
256 .apply_uV = 1,
257 },
258 },
259 [PCF50633_REGULATOR_DOWN1] = {
260 .constraints = {
261 .min_uV = 1300000,
262 .max_uV = 1600000,
263 .valid_modes_mask = REGULATOR_MODE_NORMAL,
264 .always_on = 1,
265 .apply_uV = 1,
266 },
267 },
268 [PCF50633_REGULATOR_DOWN2] = {
269 .constraints = {
270 .min_uV = 1800000,
271 .max_uV = 1800000,
272 .valid_modes_mask = REGULATOR_MODE_NORMAL,
273 .apply_uV = 1,
274 .always_on = 1,
275 },
276 },
277 [PCF50633_REGULATOR_HCLDO] = {
278 .constraints = {
279 .min_uV = 2000000,
280 .max_uV = 3300000,
281 .valid_modes_mask = REGULATOR_MODE_NORMAL,
282 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
283 REGULATOR_CHANGE_STATUS,
284 },
285 },
286 [PCF50633_REGULATOR_LDO1] = {
287 .constraints = {
288 .min_uV = 3300000,
289 .max_uV = 3300000,
290 .valid_modes_mask = REGULATOR_MODE_NORMAL,
291 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
292 .apply_uV = 1,
293 },
294 },
295 [PCF50633_REGULATOR_LDO2] = {
296 .constraints = {
297 .min_uV = 3300000,
298 .max_uV = 3300000,
299 .valid_modes_mask = REGULATOR_MODE_NORMAL,
300 .apply_uV = 1,
301 },
302 },
303 [PCF50633_REGULATOR_LDO3] = {
304 .constraints = {
305 .min_uV = 3000000,
306 .max_uV = 3000000,
307 .valid_modes_mask = REGULATOR_MODE_NORMAL,
308 .apply_uV = 1,
309 },
310 },
311 [PCF50633_REGULATOR_LDO4] = {
312 .constraints = {
313 .min_uV = 3200000,
314 .max_uV = 3200000,
315 .valid_modes_mask = REGULATOR_MODE_NORMAL,
316 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
317 .apply_uV = 1,
318 },
319 },
320 [PCF50633_REGULATOR_LDO5] = {
321 .constraints = {
322 .min_uV = 3000000,
323 .max_uV = 3000000,
324 .valid_modes_mask = REGULATOR_MODE_NORMAL,
325 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
326 .apply_uV = 1,
327 },
328 },
329 [PCF50633_REGULATOR_LDO6] = {
330 .constraints = {
331 .min_uV = 3000000,
332 .max_uV = 3000000,
333 .valid_modes_mask = REGULATOR_MODE_NORMAL,
334 },
335 },
336 [PCF50633_REGULATOR_MEMLDO] = {
337 .constraints = {
338 .min_uV = 1800000,
339 .max_uV = 1800000,
340 .valid_modes_mask = REGULATOR_MODE_NORMAL,
341 },
342 },
343
344 },
345 .mbc_event_callback = gta02_pmu_event_callback,
346};
347
348
349
350
351#define GTA02_FLASH_BASE 0x18000000
352#define GTA02_FLASH_SIZE 0x200000
353
354static struct physmap_flash_data gta02_nor_flash_data = {
355 .width = 2,
356};
357
358static struct resource gta02_nor_flash_resource =
359 DEFINE_RES_MEM(GTA02_FLASH_BASE, GTA02_FLASH_SIZE);
360
361static struct platform_device gta02_nor_flash = {
362 .name = "physmap-flash",
363 .id = 0,
364 .dev = {
365 .platform_data = >a02_nor_flash_data,
366 },
367 .resource = >a02_nor_flash_resource,
368 .num_resources = 1,
369};
370
371
372static struct platform_device s3c24xx_pwm_device = {
373 .name = "s3c24xx_pwm",
374 .num_resources = 0,
375};
376
377static struct platform_device gta02_dfbmcs320_device = {
378 .name = "dfbmcs320",
379};
380
381static struct i2c_board_info gta02_i2c_devs[] __initdata = {
382 {
383 I2C_BOARD_INFO("pcf50633", 0x73),
384 .irq = GTA02_IRQ_PCF50633,
385 .platform_data = >a02_pcf_pdata,
386 },
387 {
388 I2C_BOARD_INFO("wm8753", 0x1a),
389 },
390};
391
392static struct s3c2410_nand_set __initdata gta02_nand_sets[] = {
393 [0] = {
394
395
396
397
398
399
400 .name = "neo1973-nand",
401 .nr_chips = 1,
402 .flash_bbt = 1,
403 },
404};
405
406
407
408
409
410
411static struct s3c2410_platform_nand __initdata gta02_nand_info = {
412 .tacls = 0,
413 .twrph0 = 25,
414 .twrph1 = 15,
415 .nr_sets = ARRAY_SIZE(gta02_nand_sets),
416 .sets = gta02_nand_sets,
417 .engine_type = NAND_ECC_ENGINE_TYPE_SOFT,
418};
419
420
421
422static struct s3c2410_udc_mach_info gta02_udc_cfg __initdata = {
423 .vbus_draw = gta02_udc_vbus_draw,
424 .pullup_pin = GTA02_GPIO_USB_PULLUP,
425};
426
427
428static struct s3c2410_hcd_info gta02_usb_info __initdata = {
429 .port[0] = {
430 .flags = S3C_HCDFLG_USED,
431 },
432 .port[1] = {
433 .flags = 0,
434 },
435};
436
437
438static struct s3c2410_ts_mach_info gta02_ts_info = {
439 .delay = 10000,
440 .presc = 0xff,
441 .oversampling_shift = 2,
442};
443
444
445static struct gpio_keys_button gta02_buttons[] = {
446 {
447 .gpio = GTA02_GPIO_AUX_KEY,
448 .code = KEY_PHONE,
449 .desc = "Aux",
450 .type = EV_KEY,
451 .debounce_interval = 100,
452 },
453 {
454 .gpio = GTA02_GPIO_HOLD_KEY,
455 .code = KEY_PAUSE,
456 .desc = "Hold",
457 .type = EV_KEY,
458 .debounce_interval = 100,
459 },
460};
461
462static struct gpio_keys_platform_data gta02_buttons_pdata = {
463 .buttons = gta02_buttons,
464 .nbuttons = ARRAY_SIZE(gta02_buttons),
465};
466
467static struct platform_device gta02_buttons_device = {
468 .name = "gpio-keys",
469 .id = -1,
470 .dev = {
471 .platform_data = >a02_buttons_pdata,
472 },
473};
474
475static struct gpiod_lookup_table gta02_audio_gpio_table = {
476 .dev_id = "neo1973-audio",
477 .table = {
478 GPIO_LOOKUP("GPIOJ", 2, "amp-shut", GPIO_ACTIVE_HIGH),
479 GPIO_LOOKUP("GPIOJ", 1, "hp", GPIO_ACTIVE_HIGH),
480 { },
481 },
482};
483
484static struct platform_device gta02_audio = {
485 .name = "neo1973-audio",
486 .id = -1,
487};
488
489static struct gpiod_lookup_table gta02_mmc_gpio_table = {
490 .dev_id = "s3c2410-sdi",
491 .table = {
492
493 GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH),
494 GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH),
495 GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH),
496 GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH),
497 GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH),
498 GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH),
499 { },
500 },
501};
502
503static void __init gta02_map_io(void)
504{
505 s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc));
506 s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs));
507 s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
508}
509
510
511
512
513static struct platform_device *gta02_devices[] __initdata = {
514 &s3c_device_ohci,
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,
523 >a02_dfbmcs320_device,
524 >a02_buttons_device,
525 &s3c_device_adc,
526 &s3c_device_ts,
527 >a02_audio,
528};
529
530static void gta02_poweroff(void)
531{
532 pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN, 1, 1);
533}
534
535static void __init gta02_machine_init(void)
536{
537
538 panic_blink = gta02_panic_blink;
539
540 s3c_pm_init();
541
542#ifdef CONFIG_CHARGER_PCF50633
543 INIT_DELAYED_WORK(>a02_charger_work, gta02_charger_worker);
544#endif
545
546 s3c24xx_udc_set_platdata(>a02_udc_cfg);
547 s3c24xx_ts_set_platdata(>a02_ts_info);
548 s3c_ohci_set_platdata(>a02_usb_info);
549 s3c_nand_set_platdata(>a02_nand_info);
550 s3c_i2c0_set_platdata(NULL);
551
552 i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs));
553
554
555 s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
556 S3C_GPIO_PULL_NONE);
557
558 gpiod_add_lookup_table(>a02_audio_gpio_table);
559 gpiod_add_lookup_table(>a02_mmc_gpio_table);
560 platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices));
561 pm_power_off = gta02_poweroff;
562
563 regulator_has_full_constraints();
564}
565
566static void __init gta02_init_time(void)
567{
568 s3c2442_init_clocks(12000000);
569 s3c24xx_timer_init();
570}
571
572MACHINE_START(NEO1973_GTA02, "GTA02")
573
574 .atag_offset = 0x100,
575 .map_io = gta02_map_io,
576 .init_irq = s3c2442_init_irq,
577 .init_machine = gta02_machine_init,
578 .init_time = gta02_init_time,
579MACHINE_END
580
