1 /*
2 * Copyright (c) 2006-2009 Victor Chukhantsev, Denis Grigoriev,
3 * Copyright (c) 2007-2010 Vasily Khoruzhick
4 *
5 * based on smdk2440 written by Ben Dooks
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 */
12
13 #include <linux/kernel.h>
14 #include <linux/types.h>
15 #include <linux/interrupt.h>
16 #include <linux/list.h>
17 #include <linux/memblock.h>
18 #include <linux/delay.h>
19 #include <linux/timer.h>
20 #include <linux/init.h>
21 #include <linux/gpio.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/gpio_keys.h>
27 #include <linux/device.h>
28 #include <linux/pda_power.h>
29 #include <linux/pwm_backlight.h>
30 #include <linux/pwm.h>
31 #include <linux/s3c_adc_battery.h>
32 #include <linux/leds.h>
33 #include <linux/i2c.h>
34
35 #include <linux/mtd/mtd.h>
36 #include <linux/mtd/partitions.h>
37
38 #include <linux/mmc/host.h>
39
40 #include <asm/mach-types.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/map.h>
43
44 #include <linux/platform_data/i2c-s3c2410.h>
45 #include <linux/platform_data/mmc-s3cmci.h>
46 #include <linux/platform_data/mtd-nand-s3c2410.h>
47 #include <linux/platform_data/touchscreen-s3c2410.h>
48 #include <linux/platform_data/usb-s3c2410_udc.h>
49
50 #include <sound/uda1380.h>
51
52 #include <mach/fb.h>
53 #include <mach/regs-gpio.h>
54 #include <mach/regs-lcd.h>
55 #include <mach/gpio-samsung.h>
56
57 #include <plat/cpu.h>
58 #include <plat/devs.h>
59 #include <plat/pm.h>
60 #include <plat/samsung-time.h>
61 #include <plat/gpio-cfg.h>
62
63 #include "common.h"
64 #include "h1940.h"
65
66 #define LCD_PWM_PERIOD 192960
67 #define LCD_PWM_DUTY 127353
68
69 static struct map_desc rx1950_iodesc[] __initdata = {
70 };
71
72 static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
73 [0] = {
74 .hwport = 0,
75 .flags = 0,
76 .ucon = 0x3c5,
77 .ulcon = 0x03,
78 .ufcon = 0x51,
79 .clk_sel = S3C2410_UCON_CLKSEL3,
80 },
81 [1] = {
82 .hwport = 1,
83 .flags = 0,
84 .ucon = 0x3c5,
85 .ulcon = 0x03,
86 .ufcon = 0x51,
87 .clk_sel = S3C2410_UCON_CLKSEL3,
88 },
89 /* IR port */
90 [2] = {
91 .hwport = 2,
92 .flags = 0,
93 .ucon = 0x3c5,
94 .ulcon = 0x43,
95 .ufcon = 0xf1,
96 .clk_sel = S3C2410_UCON_CLKSEL3,
97 },
98 };
99
100 static struct s3c2410fb_display rx1950_display = {
101 .type = S3C2410_LCDCON1_TFT,
102 .width = 240,
103 .height = 320,
104 .xres = 240,
105 .yres = 320,
106 .bpp = 16,
107
108 .pixclock = 260000,
109 .left_margin = 10,
110 .right_margin = 20,
111 .hsync_len = 10,
112 .upper_margin = 2,
113 .lower_margin = 2,
114 .vsync_len = 2,
115
116 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
117 S3C2410_LCDCON5_INVVCLK |
118 S3C2410_LCDCON5_INVVLINE |
119 S3C2410_LCDCON5_INVVFRAME |
120 S3C2410_LCDCON5_HWSWP |
121 (0x02 << 13) |
122 (0x02 << 15),
123
124 };
125
power_supply_init(struct device * dev)126 static int power_supply_init(struct device *dev)
127 {
128 return gpio_request(S3C2410_GPF(2), "cable plugged");
129 }
130
rx1950_is_ac_online(void)131 static int rx1950_is_ac_online(void)
132 {
133 return !gpio_get_value(S3C2410_GPF(2));
134 }
135
power_supply_exit(struct device * dev)136 static void power_supply_exit(struct device *dev)
137 {
138 gpio_free(S3C2410_GPF(2));
139 }
140
141 static char *rx1950_supplicants[] = {
142 "main-battery"
143 };
144
145 static struct pda_power_pdata power_supply_info = {
146 .init = power_supply_init,
147 .is_ac_online = rx1950_is_ac_online,
148 .exit = power_supply_exit,
149 .supplied_to = rx1950_supplicants,
150 .num_supplicants = ARRAY_SIZE(rx1950_supplicants),
151 };
152
153 static struct resource power_supply_resources[] = {
154 [0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
155 | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
156 };
157
158 static struct platform_device power_supply = {
159 .name = "pda-power",
160 .id = -1,
161 .dev = {
162 .platform_data =
163 &power_supply_info,
164 },
165 .resource = power_supply_resources,
166 .num_resources = ARRAY_SIZE(power_supply_resources),
167 };
168
169 static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
170 { .volt = 4100, .cur = 156, .level = 100},
171 { .volt = 4050, .cur = 156, .level = 95},
172 { .volt = 4025, .cur = 141, .level = 90},
173 { .volt = 3995, .cur = 144, .level = 85},
174 { .volt = 3957, .cur = 162, .level = 80},
175 { .volt = 3931, .cur = 147, .level = 75},
176 { .volt = 3902, .cur = 147, .level = 70},
177 { .volt = 3863, .cur = 153, .level = 65},
178 { .volt = 3838, .cur = 150, .level = 60},
179 { .volt = 3800, .cur = 153, .level = 55},
180 { .volt = 3765, .cur = 153, .level = 50},
181 { .volt = 3748, .cur = 172, .level = 45},
182 { .volt = 3740, .cur = 153, .level = 40},
183 { .volt = 3714, .cur = 175, .level = 35},
184 { .volt = 3710, .cur = 156, .level = 30},
185 { .volt = 3963, .cur = 156, .level = 25},
186 { .volt = 3672, .cur = 178, .level = 20},
187 { .volt = 3651, .cur = 178, .level = 15},
188 { .volt = 3629, .cur = 178, .level = 10},
189 { .volt = 3612, .cur = 162, .level = 5},
190 { .volt = 3605, .cur = 162, .level = 0},
191 };
192
193 static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
194 { .volt = 4200, .cur = 0, .level = 100},
195 { .volt = 4190, .cur = 0, .level = 99},
196 { .volt = 4178, .cur = 0, .level = 95},
197 { .volt = 4110, .cur = 0, .level = 70},
198 { .volt = 4076, .cur = 0, .level = 65},
199 { .volt = 4046, .cur = 0, .level = 60},
200 { .volt = 4021, .cur = 0, .level = 55},
201 { .volt = 3999, .cur = 0, .level = 50},
202 { .volt = 3982, .cur = 0, .level = 45},
203 { .volt = 3965, .cur = 0, .level = 40},
204 { .volt = 3957, .cur = 0, .level = 35},
205 { .volt = 3948, .cur = 0, .level = 30},
206 { .volt = 3936, .cur = 0, .level = 25},
207 { .volt = 3927, .cur = 0, .level = 20},
208 { .volt = 3906, .cur = 0, .level = 15},
209 { .volt = 3880, .cur = 0, .level = 10},
210 { .volt = 3829, .cur = 0, .level = 5},
211 { .volt = 3820, .cur = 0, .level = 0},
212 };
213
rx1950_bat_init(void)214 static int rx1950_bat_init(void)
215 {
216 int ret;
217
218 ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
219 if (ret)
220 goto err_gpio1;
221 ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
222 if (ret)
223 goto err_gpio2;
224
225 return 0;
226
227 err_gpio2:
228 gpio_free(S3C2410_GPJ(2));
229 err_gpio1:
230 return ret;
231 }
232
rx1950_bat_exit(void)233 static void rx1950_bat_exit(void)
234 {
235 gpio_free(S3C2410_GPJ(2));
236 gpio_free(S3C2410_GPJ(3));
237 }
238
rx1950_enable_charger(void)239 static void rx1950_enable_charger(void)
240 {
241 gpio_direction_output(S3C2410_GPJ(2), 1);
242 gpio_direction_output(S3C2410_GPJ(3), 1);
243 }
244
rx1950_disable_charger(void)245 static void rx1950_disable_charger(void)
246 {
247 gpio_direction_output(S3C2410_GPJ(2), 0);
248 gpio_direction_output(S3C2410_GPJ(3), 0);
249 }
250
251 static DEFINE_SPINLOCK(rx1950_blink_spin);
252
rx1950_led_blink_set(struct gpio_desc * desc,int state,unsigned long * delay_on,unsigned long * delay_off)253 static int rx1950_led_blink_set(struct gpio_desc *desc, int state,
254 unsigned long *delay_on, unsigned long *delay_off)
255 {
256 int gpio = desc_to_gpio(desc);
257 int blink_gpio, check_gpio;
258
259 switch (gpio) {
260 case S3C2410_GPA(6):
261 blink_gpio = S3C2410_GPA(4);
262 check_gpio = S3C2410_GPA(3);
263 break;
264 case S3C2410_GPA(7):
265 blink_gpio = S3C2410_GPA(3);
266 check_gpio = S3C2410_GPA(4);
267 break;
268 default:
269 return -EINVAL;
270 break;
271 }
272
273 if (delay_on && delay_off && !*delay_on && !*delay_off)
274 *delay_on = *delay_off = 500;
275
276 spin_lock(&rx1950_blink_spin);
277
278 switch (state) {
279 case GPIO_LED_NO_BLINK_LOW:
280 case GPIO_LED_NO_BLINK_HIGH:
281 if (!gpio_get_value(check_gpio))
282 gpio_set_value(S3C2410_GPJ(6), 0);
283 gpio_set_value(blink_gpio, 0);
284 gpio_set_value(gpio, state);
285 break;
286 case GPIO_LED_BLINK:
287 gpio_set_value(gpio, 0);
288 gpio_set_value(S3C2410_GPJ(6), 1);
289 gpio_set_value(blink_gpio, 1);
290 break;
291 }
292
293 spin_unlock(&rx1950_blink_spin);
294
295 return 0;
296 }
297
298 static struct gpio_led rx1950_leds_desc[] = {
299 {
300 .name = "Green",
301 .default_trigger = "main-battery-full",
302 .gpio = S3C2410_GPA(6),
303 .retain_state_suspended = 1,
304 },
305 {
306 .name = "Red",
307 .default_trigger
308 = "main-battery-charging-blink-full-solid",
309 .gpio = S3C2410_GPA(7),
310 .retain_state_suspended = 1,
311 },
312 {
313 .name = "Blue",
314 .default_trigger = "rx1950-acx-mem",
315 .gpio = S3C2410_GPA(11),
316 .retain_state_suspended = 1,
317 },
318 };
319
320 static struct gpio_led_platform_data rx1950_leds_pdata = {
321 .num_leds = ARRAY_SIZE(rx1950_leds_desc),
322 .leds = rx1950_leds_desc,
323 .gpio_blink_set = rx1950_led_blink_set,
324 };
325
326 static struct platform_device rx1950_leds = {
327 .name = "leds-gpio",
328 .id = -1,
329 .dev = {
330 .platform_data = &rx1950_leds_pdata,
331 },
332 };
333
334 static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
335 .init = rx1950_bat_init,
336 .exit = rx1950_bat_exit,
337 .enable_charger = rx1950_enable_charger,
338 .disable_charger = rx1950_disable_charger,
339 .gpio_charge_finished = S3C2410_GPF(3),
340 .lut_noac = bat_lut_noac,
341 .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
342 .lut_acin = bat_lut_acin,
343 .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
344 .volt_channel = 0,
345 .current_channel = 1,
346 .volt_mult = 4235,
347 .current_mult = 2900,
348 .internal_impedance = 200,
349 };
350
351 static struct platform_device rx1950_battery = {
352 .name = "s3c-adc-battery",
353 .id = -1,
354 .dev = {
355 .parent = &s3c_device_adc.dev,
356 .platform_data = &rx1950_bat_cfg,
357 },
358 };
359
360 static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
361 .displays = &rx1950_display,
362 .num_displays = 1,
363 .default_display = 0,
364
365 .lpcsel = 0x02,
366 .gpccon = 0xaa9556a9,
367 .gpccon_mask = 0xffc003fc,
368 .gpcup = 0x0000ffff,
369 .gpcup_mask = 0xffffffff,
370
371 .gpdcon = 0xaa90aaa1,
372 .gpdcon_mask = 0xffc0fff0,
373 .gpdup = 0x0000fcfd,
374 .gpdup_mask = 0xffffffff,
375
376 };
377
378 static struct pwm_lookup rx1950_pwm_lookup[] = {
379 PWM_LOOKUP("samsung-pwm", 0, "pwm-backlight.0", NULL, 48000,
380 PWM_POLARITY_NORMAL),
381 };
382
383 static struct pwm_device *lcd_pwm;
384
rx1950_lcd_power(int enable)385 static void rx1950_lcd_power(int enable)
386 {
387 int i;
388 static int enabled;
389 if (enabled == enable)
390 return;
391 if (!enable) {
392
393 /* GPC11-GPC15->OUTPUT */
394 for (i = 11; i < 16; i++)
395 gpio_direction_output(S3C2410_GPC(i), 1);
396
397 /* Wait a bit here... */
398 mdelay(100);
399
400 /* GPD2-GPD7->OUTPUT */
401 /* GPD11-GPD15->OUTPUT */
402 /* GPD2-GPD7->1, GPD11-GPD15->1 */
403 for (i = 2; i < 8; i++)
404 gpio_direction_output(S3C2410_GPD(i), 1);
405 for (i = 11; i < 16; i++)
406 gpio_direction_output(S3C2410_GPD(i), 1);
407
408 /* Wait a bit here...*/
409 mdelay(100);
410
411 /* GPB0->OUTPUT, GPB0->0 */
412 gpio_direction_output(S3C2410_GPB(0), 0);
413
414 /* GPC1-GPC4->OUTPUT, GPC1-4->0 */
415 for (i = 1; i < 5; i++)
416 gpio_direction_output(S3C2410_GPC(i), 0);
417
418 /* GPC15-GPC11->0 */
419 for (i = 11; i < 16; i++)
420 gpio_direction_output(S3C2410_GPC(i), 0);
421
422 /* GPD15-GPD11->0, GPD2->GPD7->0 */
423 for (i = 11; i < 16; i++)
424 gpio_direction_output(S3C2410_GPD(i), 0);
425
426 for (i = 2; i < 8; i++)
427 gpio_direction_output(S3C2410_GPD(i), 0);
428
429 /* GPC6->0, GPC7->0, GPC5->0 */
430 gpio_direction_output(S3C2410_GPC(6), 0);
431 gpio_direction_output(S3C2410_GPC(7), 0);
432 gpio_direction_output(S3C2410_GPC(5), 0);
433
434 /* GPB1->OUTPUT, GPB1->0 */
435 gpio_direction_output(S3C2410_GPB(1), 0);
436 pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD);
437 pwm_disable(lcd_pwm);
438
439 /* GPC0->0, GPC10->0 */
440 gpio_direction_output(S3C2410_GPC(0), 0);
441 gpio_direction_output(S3C2410_GPC(10), 0);
442 } else {
443 pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD);
444 pwm_enable(lcd_pwm);
445
446 gpio_direction_output(S3C2410_GPC(0), 1);
447 gpio_direction_output(S3C2410_GPC(5), 1);
448
449 s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
450 gpio_direction_output(S3C2410_GPC(7), 1);
451
452 for (i = 1; i < 5; i++)
453 s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
454
455 for (i = 11; i < 16; i++)
456 s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
457
458 for (i = 2; i < 8; i++)
459 s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
460
461 for (i = 11; i < 16; i++)
462 s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
463
464 gpio_direction_output(S3C2410_GPC(10), 1);
465 gpio_direction_output(S3C2410_GPC(6), 1);
466 }
467 enabled = enable;
468 }
469
rx1950_bl_power(int enable)470 static void rx1950_bl_power(int enable)
471 {
472 static int enabled;
473 if (enabled == enable)
474 return;
475 if (!enable) {
476 gpio_direction_output(S3C2410_GPB(0), 0);
477 } else {
478 /* LED driver need a "push" to power on */
479 gpio_direction_output(S3C2410_GPB(0), 1);
480 /* Warm up backlight for one period of PWM.
481 * Without this trick its almost impossible to
482 * enable backlight with low brightness value
483 */
484 ndelay(48000);
485 s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
486 }
487 enabled = enable;
488 }
489
rx1950_backlight_init(struct device * dev)490 static int rx1950_backlight_init(struct device *dev)
491 {
492 WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
493 lcd_pwm = pwm_request(1, "RX1950 LCD");
494 if (IS_ERR(lcd_pwm)) {
495 dev_err(dev, "Unable to request PWM for LCD power!\n");
496 return PTR_ERR(lcd_pwm);
497 }
498
499 /*
500 * FIXME: pwm_apply_args() should be removed when switching to
501 * the atomic PWM API.
502 */
503 pwm_apply_args(lcd_pwm);
504
505 rx1950_lcd_power(1);
506 rx1950_bl_power(1);
507
508 return 0;
509 }
510
rx1950_backlight_exit(struct device * dev)511 static void rx1950_backlight_exit(struct device *dev)
512 {
513 rx1950_bl_power(0);
514 rx1950_lcd_power(0);
515
516 pwm_free(lcd_pwm);
517 gpio_free(S3C2410_GPB(0));
518 }
519
520
rx1950_backlight_notify(struct device * dev,int brightness)521 static int rx1950_backlight_notify(struct device *dev, int brightness)
522 {
523 if (!brightness) {
524 rx1950_bl_power(0);
525 rx1950_lcd_power(0);
526 } else {
527 rx1950_lcd_power(1);
528 rx1950_bl_power(1);
529 }
530 return brightness;
531 }
532
533 static struct platform_pwm_backlight_data rx1950_backlight_data = {
534 .max_brightness = 24,
535 .dft_brightness = 4,
536 .enable_gpio = -1,
537 .init = rx1950_backlight_init,
538 .notify = rx1950_backlight_notify,
539 .exit = rx1950_backlight_exit,
540 };
541
542 static struct platform_device rx1950_backlight = {
543 .name = "pwm-backlight",
544 .dev = {
545 .parent = &samsung_device_pwm.dev,
546 .platform_data = &rx1950_backlight_data,
547 },
548 };
549
rx1950_set_mmc_power(unsigned char power_mode,unsigned short vdd)550 static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
551 {
552 switch (power_mode) {
553 case MMC_POWER_OFF:
554 gpio_direction_output(S3C2410_GPJ(1), 0);
555 break;
556 case MMC_POWER_UP:
557 case MMC_POWER_ON:
558 gpio_direction_output(S3C2410_GPJ(1), 1);
559 break;
560 default:
561 break;
562 }
563 }
564
565 static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
566 .gpio_detect = S3C2410_GPF(5),
567 .gpio_wprotect = S3C2410_GPH(8),
568 .set_power = rx1950_set_mmc_power,
569 .ocr_avail = MMC_VDD_32_33,
570 };
571
572 static struct mtd_partition rx1950_nand_part[] = {
573 [0] = {
574 .name = "Boot0",
575 .offset = 0,
576 .size = 0x4000,
577 .mask_flags = MTD_WRITEABLE,
578 },
579 [1] = {
580 .name = "Boot1",
581 .offset = MTDPART_OFS_APPEND,
582 .size = 0x40000,
583 .mask_flags = MTD_WRITEABLE,
584 },
585 [2] = {
586 .name = "Kernel",
587 .offset = MTDPART_OFS_APPEND,
588 .size = 0x300000,
589 .mask_flags = 0,
590 },
591 [3] = {
592 .name = "Filesystem",
593 .offset = MTDPART_OFS_APPEND,
594 .size = MTDPART_SIZ_FULL,
595 .mask_flags = 0,
596 },
597 };
598
599 static struct s3c2410_nand_set rx1950_nand_sets[] = {
600 [0] = {
601 .name = "Internal",
602 .nr_chips = 1,
603 .nr_partitions = ARRAY_SIZE(rx1950_nand_part),
604 .partitions = rx1950_nand_part,
605 },
606 };
607
608 static struct s3c2410_platform_nand rx1950_nand_info = {
609 .tacls = 25,
610 .twrph0 = 50,
611 .twrph1 = 15,
612 .nr_sets = ARRAY_SIZE(rx1950_nand_sets),
613 .sets = rx1950_nand_sets,
614 };
615
616 static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
617 .vbus_pin = S3C2410_GPG(5),
618 .vbus_pin_inverted = 1,
619 .pullup_pin = S3C2410_GPJ(5),
620 };
621
622 static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
623 .delay = 10000,
624 .presc = 49,
625 .oversampling_shift = 3,
626 };
627
628 static struct gpio_keys_button rx1950_gpio_keys_table[] = {
629 {
630 .code = KEY_POWER,
631 .gpio = S3C2410_GPF(0),
632 .active_low = 1,
633 .desc = "Power button",
634 .wakeup = 1,
635 },
636 {
637 .code = KEY_F5,
638 .gpio = S3C2410_GPF(7),
639 .active_low = 1,
640 .desc = "Record button",
641 },
642 {
643 .code = KEY_F1,
644 .gpio = S3C2410_GPG(0),
645 .active_low = 1,
646 .desc = "Calendar button",
647 },
648 {
649 .code = KEY_F2,
650 .gpio = S3C2410_GPG(2),
651 .active_low = 1,
652 .desc = "Contacts button",
653 },
654 {
655 .code = KEY_F3,
656 .gpio = S3C2410_GPG(3),
657 .active_low = 1,
658 .desc = "Mail button",
659 },
660 {
661 .code = KEY_F4,
662 .gpio = S3C2410_GPG(7),
663 .active_low = 1,
664 .desc = "WLAN button",
665 },
666 {
667 .code = KEY_LEFT,
668 .gpio = S3C2410_GPG(10),
669 .active_low = 1,
670 .desc = "Left button",
671 },
672 {
673 .code = KEY_RIGHT,
674 .gpio = S3C2410_GPG(11),
675 .active_low = 1,
676 .desc = "Right button",
677 },
678 {
679 .code = KEY_UP,
680 .gpio = S3C2410_GPG(4),
681 .active_low = 1,
682 .desc = "Up button",
683 },
684 {
685 .code = KEY_DOWN,
686 .gpio = S3C2410_GPG(6),
687 .active_low = 1,
688 .desc = "Down button",
689 },
690 {
691 .code = KEY_ENTER,
692 .gpio = S3C2410_GPG(9),
693 .active_low = 1,
694 .desc = "Ok button"
695 },
696 };
697
698 static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
699 .buttons = rx1950_gpio_keys_table,
700 .nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
701 };
702
703 static struct platform_device rx1950_device_gpiokeys = {
704 .name = "gpio-keys",
705 .dev.platform_data = &rx1950_gpio_keys_data,
706 };
707
708 static struct uda1380_platform_data uda1380_info = {
709 .gpio_power = S3C2410_GPJ(0),
710 .gpio_reset = S3C2410_GPD(0),
711 .dac_clk = UDA1380_DAC_CLK_SYSCLK,
712 };
713
714 static struct i2c_board_info rx1950_i2c_devices[] = {
715 {
716 I2C_BOARD_INFO("uda1380", 0x1a),
717 .platform_data = &uda1380_info,
718 },
719 };
720
721 static struct platform_device *rx1950_devices[] __initdata = {
722 &s3c2410_device_dclk,
723 &s3c_device_lcd,
724 &s3c_device_wdt,
725 &s3c_device_i2c0,
726 &s3c_device_iis,
727 &s3c_device_usbgadget,
728 &s3c_device_rtc,
729 &s3c_device_nand,
730 &s3c_device_sdi,
731 &s3c_device_adc,
732 &s3c_device_ts,
733 &samsung_device_pwm,
734 &rx1950_backlight,
735 &rx1950_device_gpiokeys,
736 &power_supply,
737 &rx1950_battery,
738 &rx1950_leds,
739 };
740
rx1950_map_io(void)741 static void __init rx1950_map_io(void)
742 {
743 s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
744 s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
745 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
746
747 /* setup PM */
748
749 #ifdef CONFIG_PM_H1940
750 memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
751 #endif
752
753 s3c_pm_init();
754 }
755
rx1950_init_time(void)756 static void __init rx1950_init_time(void)
757 {
758 s3c2442_init_clocks(16934000);
759 samsung_timer_init();
760 }
761
rx1950_init_machine(void)762 static void __init rx1950_init_machine(void)
763 {
764 int i;
765
766 s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
767 s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
768 s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
769 s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
770 s3c_i2c0_set_platdata(NULL);
771 s3c_nand_set_platdata(&rx1950_nand_info);
772
773 /* Turn off suspend on both USB ports, and switch the
774 * selectable USB port to USB device mode. */
775 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
776 S3C2410_MISCCR_USBSUSPND0 |
777 S3C2410_MISCCR_USBSUSPND1, 0x0);
778
779 /* mmc power is disabled by default */
780 WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
781 gpio_direction_output(S3C2410_GPJ(1), 0);
782
783 for (i = 0; i < 8; i++)
784 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
785
786 for (i = 10; i < 16; i++)
787 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
788
789 for (i = 2; i < 8; i++)
790 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
791
792 for (i = 11; i < 16; i++)
793 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
794
795 WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
796
797 WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
798 WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
799 WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
800 gpio_direction_output(S3C2410_GPA(3), 0);
801 gpio_direction_output(S3C2410_GPA(4), 0);
802 gpio_direction_output(S3C2410_GPJ(6), 0);
803
804 pwm_add_table(rx1950_pwm_lookup, ARRAY_SIZE(rx1950_pwm_lookup));
805 platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
806
807 i2c_register_board_info(0, rx1950_i2c_devices,
808 ARRAY_SIZE(rx1950_i2c_devices));
809 }
810
811 /* H1940 and RX3715 need to reserve this for suspend */
rx1950_reserve(void)812 static void __init rx1950_reserve(void)
813 {
814 memblock_reserve(0x30003000, 0x1000);
815 memblock_reserve(0x30081000, 0x1000);
816 }
817
818 MACHINE_START(RX1950, "HP iPAQ RX1950")
819 /* Maintainers: Vasily Khoruzhick */
820 .atag_offset = 0x100,
821 .map_io = rx1950_map_io,
822 .reserve = rx1950_reserve,
823 .init_irq = s3c2442_init_irq,
824 .init_machine = rx1950_init_machine,
825 .init_time = rx1950_init_time,
826 MACHINE_END
827