1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // Copyright (c) 2006-2009 Victor Chukhantsev, Denis Grigoriev,
4 // Copyright (c) 2007-2010 Vasily Khoruzhick
5 //
6 // based on smdk2440 written by Ben Dooks
7
8 #include <linux/kernel.h>
9 #include <linux/types.h>
10 #include <linux/interrupt.h>
11 #include <linux/list.h>
12 #include <linux/memblock.h>
13 #include <linux/delay.h>
14 #include <linux/timer.h>
15 #include <linux/init.h>
16 #include <linux/gpio.h>
17 #include <linux/gpio/machine.h>
18 #include <linux/platform_device.h>
19 #include <linux/serial_core.h>
20 #include <linux/serial_s3c.h>
21 #include <linux/input.h>
22 #include <linux/gpio_keys.h>
23 #include <linux/device.h>
24 #include <linux/pda_power.h>
25 #include <linux/pwm_backlight.h>
26 #include <linux/pwm.h>
27 #include <linux/s3c_adc_battery.h>
28 #include <linux/leds.h>
29 #include <linux/i2c.h>
30
31 #include <linux/mtd/mtd.h>
32 #include <linux/mtd/partitions.h>
33
34 #include <linux/mmc/host.h>
35
36 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/map.h>
39
40 #include <linux/platform_data/i2c-s3c2410.h>
41 #include <linux/platform_data/mmc-s3cmci.h>
42 #include <linux/platform_data/mtd-nand-s3c2410.h>
43 #include <linux/platform_data/touchscreen-s3c2410.h>
44 #include <linux/platform_data/usb-s3c2410_udc.h>
45 #include <linux/platform_data/fb-s3c2410.h>
46
47 #include <sound/uda1380.h>
48
49 #include "hardware-s3c24xx.h"
50 #include "regs-gpio.h"
51 #include "gpio-samsung.h"
52
53 #include "cpu.h"
54 #include "devs.h"
55 #include "pm.h"
56 #include "gpio-cfg.h"
57
58 #include "s3c24xx.h"
59 #include "h1940.h"
60
61 #define LCD_PWM_PERIOD 192960
62 #define LCD_PWM_DUTY 127353
63
64 static struct map_desc rx1950_iodesc[] __initdata = {
65 };
66
67 static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
68 [0] = {
69 .hwport = 0,
70 .flags = 0,
71 .ucon = 0x3c5,
72 .ulcon = 0x03,
73 .ufcon = 0x51,
74 .clk_sel = S3C2410_UCON_CLKSEL3,
75 },
76 [1] = {
77 .hwport = 1,
78 .flags = 0,
79 .ucon = 0x3c5,
80 .ulcon = 0x03,
81 .ufcon = 0x51,
82 .clk_sel = S3C2410_UCON_CLKSEL3,
83 },
84 /* IR port */
85 [2] = {
86 .hwport = 2,
87 .flags = 0,
88 .ucon = 0x3c5,
89 .ulcon = 0x43,
90 .ufcon = 0xf1,
91 .clk_sel = S3C2410_UCON_CLKSEL3,
92 },
93 };
94
95 static struct s3c2410fb_display rx1950_display = {
96 .type = S3C2410_LCDCON1_TFT,
97 .width = 240,
98 .height = 320,
99 .xres = 240,
100 .yres = 320,
101 .bpp = 16,
102
103 .pixclock = 260000,
104 .left_margin = 10,
105 .right_margin = 20,
106 .hsync_len = 10,
107 .upper_margin = 2,
108 .lower_margin = 2,
109 .vsync_len = 2,
110
111 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
112 S3C2410_LCDCON5_INVVCLK |
113 S3C2410_LCDCON5_INVVLINE |
114 S3C2410_LCDCON5_INVVFRAME |
115 S3C2410_LCDCON5_HWSWP |
116 (0x02 << 13) |
117 (0x02 << 15),
118
119 };
120
power_supply_init(struct device * dev)121 static int power_supply_init(struct device *dev)
122 {
123 return gpio_request(S3C2410_GPF(2), "cable plugged");
124 }
125
rx1950_is_ac_online(void)126 static int rx1950_is_ac_online(void)
127 {
128 return !gpio_get_value(S3C2410_GPF(2));
129 }
130
power_supply_exit(struct device * dev)131 static void power_supply_exit(struct device *dev)
132 {
133 gpio_free(S3C2410_GPF(2));
134 }
135
136 static char *rx1950_supplicants[] = {
137 "main-battery"
138 };
139
140 static struct pda_power_pdata power_supply_info = {
141 .init = power_supply_init,
142 .is_ac_online = rx1950_is_ac_online,
143 .exit = power_supply_exit,
144 .supplied_to = rx1950_supplicants,
145 .num_supplicants = ARRAY_SIZE(rx1950_supplicants),
146 };
147
148 static struct resource power_supply_resources[] = {
149 [0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
150 | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
151 };
152
153 static struct platform_device power_supply = {
154 .name = "pda-power",
155 .id = -1,
156 .dev = {
157 .platform_data =
158 &power_supply_info,
159 },
160 .resource = power_supply_resources,
161 .num_resources = ARRAY_SIZE(power_supply_resources),
162 };
163
164 static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
165 { .volt = 4100, .cur = 156, .level = 100},
166 { .volt = 4050, .cur = 156, .level = 95},
167 { .volt = 4025, .cur = 141, .level = 90},
168 { .volt = 3995, .cur = 144, .level = 85},
169 { .volt = 3957, .cur = 162, .level = 80},
170 { .volt = 3931, .cur = 147, .level = 75},
171 { .volt = 3902, .cur = 147, .level = 70},
172 { .volt = 3863, .cur = 153, .level = 65},
173 { .volt = 3838, .cur = 150, .level = 60},
174 { .volt = 3800, .cur = 153, .level = 55},
175 { .volt = 3765, .cur = 153, .level = 50},
176 { .volt = 3748, .cur = 172, .level = 45},
177 { .volt = 3740, .cur = 153, .level = 40},
178 { .volt = 3714, .cur = 175, .level = 35},
179 { .volt = 3710, .cur = 156, .level = 30},
180 { .volt = 3963, .cur = 156, .level = 25},
181 { .volt = 3672, .cur = 178, .level = 20},
182 { .volt = 3651, .cur = 178, .level = 15},
183 { .volt = 3629, .cur = 178, .level = 10},
184 { .volt = 3612, .cur = 162, .level = 5},
185 { .volt = 3605, .cur = 162, .level = 0},
186 };
187
188 static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
189 { .volt = 4200, .cur = 0, .level = 100},
190 { .volt = 4190, .cur = 0, .level = 99},
191 { .volt = 4178, .cur = 0, .level = 95},
192 { .volt = 4110, .cur = 0, .level = 70},
193 { .volt = 4076, .cur = 0, .level = 65},
194 { .volt = 4046, .cur = 0, .level = 60},
195 { .volt = 4021, .cur = 0, .level = 55},
196 { .volt = 3999, .cur = 0, .level = 50},
197 { .volt = 3982, .cur = 0, .level = 45},
198 { .volt = 3965, .cur = 0, .level = 40},
199 { .volt = 3957, .cur = 0, .level = 35},
200 { .volt = 3948, .cur = 0, .level = 30},
201 { .volt = 3936, .cur = 0, .level = 25},
202 { .volt = 3927, .cur = 0, .level = 20},
203 { .volt = 3906, .cur = 0, .level = 15},
204 { .volt = 3880, .cur = 0, .level = 10},
205 { .volt = 3829, .cur = 0, .level = 5},
206 { .volt = 3820, .cur = 0, .level = 0},
207 };
208
rx1950_bat_init(void)209 static int rx1950_bat_init(void)
210 {
211 int ret;
212
213 ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
214 if (ret)
215 goto err_gpio1;
216 ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
217 if (ret)
218 goto err_gpio2;
219
220 return 0;
221
222 err_gpio2:
223 gpio_free(S3C2410_GPJ(2));
224 err_gpio1:
225 return ret;
226 }
227
rx1950_bat_exit(void)228 static void rx1950_bat_exit(void)
229 {
230 gpio_free(S3C2410_GPJ(2));
231 gpio_free(S3C2410_GPJ(3));
232 }
233
rx1950_enable_charger(void)234 static void rx1950_enable_charger(void)
235 {
236 gpio_direction_output(S3C2410_GPJ(2), 1);
237 gpio_direction_output(S3C2410_GPJ(3), 1);
238 }
239
rx1950_disable_charger(void)240 static void rx1950_disable_charger(void)
241 {
242 gpio_direction_output(S3C2410_GPJ(2), 0);
243 gpio_direction_output(S3C2410_GPJ(3), 0);
244 }
245
246 static DEFINE_SPINLOCK(rx1950_blink_spin);
247
rx1950_led_blink_set(struct gpio_desc * desc,int state,unsigned long * delay_on,unsigned long * delay_off)248 static int rx1950_led_blink_set(struct gpio_desc *desc, int state,
249 unsigned long *delay_on, unsigned long *delay_off)
250 {
251 int gpio = desc_to_gpio(desc);
252 int blink_gpio, check_gpio;
253
254 switch (gpio) {
255 case S3C2410_GPA(6):
256 blink_gpio = S3C2410_GPA(4);
257 check_gpio = S3C2410_GPA(3);
258 break;
259 case S3C2410_GPA(7):
260 blink_gpio = S3C2410_GPA(3);
261 check_gpio = S3C2410_GPA(4);
262 break;
263 default:
264 return -EINVAL;
265 break;
266 }
267
268 if (delay_on && delay_off && !*delay_on && !*delay_off)
269 *delay_on = *delay_off = 500;
270
271 spin_lock(&rx1950_blink_spin);
272
273 switch (state) {
274 case GPIO_LED_NO_BLINK_LOW:
275 case GPIO_LED_NO_BLINK_HIGH:
276 if (!gpio_get_value(check_gpio))
277 gpio_set_value(S3C2410_GPJ(6), 0);
278 gpio_set_value(blink_gpio, 0);
279 gpio_set_value(gpio, state);
280 break;
281 case GPIO_LED_BLINK:
282 gpio_set_value(gpio, 0);
283 gpio_set_value(S3C2410_GPJ(6), 1);
284 gpio_set_value(blink_gpio, 1);
285 break;
286 }
287
288 spin_unlock(&rx1950_blink_spin);
289
290 return 0;
291 }
292
293 static struct gpio_led rx1950_leds_desc[] = {
294 {
295 .name = "Green",
296 .default_trigger = "main-battery-full",
297 .gpio = S3C2410_GPA(6),
298 .retain_state_suspended = 1,
299 },
300 {
301 .name = "Red",
302 .default_trigger
303 = "main-battery-charging-blink-full-solid",
304 .gpio = S3C2410_GPA(7),
305 .retain_state_suspended = 1,
306 },
307 {
308 .name = "Blue",
309 .default_trigger = "rx1950-acx-mem",
310 .gpio = S3C2410_GPA(11),
311 .retain_state_suspended = 1,
312 },
313 };
314
315 static struct gpio_led_platform_data rx1950_leds_pdata = {
316 .num_leds = ARRAY_SIZE(rx1950_leds_desc),
317 .leds = rx1950_leds_desc,
318 .gpio_blink_set = rx1950_led_blink_set,
319 };
320
321 static struct platform_device rx1950_leds = {
322 .name = "leds-gpio",
323 .id = -1,
324 .dev = {
325 .platform_data = &rx1950_leds_pdata,
326 },
327 };
328
329 static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
330 .init = rx1950_bat_init,
331 .exit = rx1950_bat_exit,
332 .enable_charger = rx1950_enable_charger,
333 .disable_charger = rx1950_disable_charger,
334 .gpio_charge_finished = S3C2410_GPF(3),
335 .lut_noac = bat_lut_noac,
336 .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
337 .lut_acin = bat_lut_acin,
338 .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
339 .volt_channel = 0,
340 .current_channel = 1,
341 .volt_mult = 4235,
342 .current_mult = 2900,
343 .internal_impedance = 200,
344 };
345
346 static struct platform_device rx1950_battery = {
347 .name = "s3c-adc-battery",
348 .id = -1,
349 .dev = {
350 .parent = &s3c_device_adc.dev,
351 .platform_data = &rx1950_bat_cfg,
352 },
353 };
354
355 static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
356 .displays = &rx1950_display,
357 .num_displays = 1,
358 .default_display = 0,
359
360 .lpcsel = 0x02,
361 .gpccon = 0xaa9556a9,
362 .gpccon_mask = 0xffc003fc,
363 .gpccon_reg = S3C2410_GPCCON,
364 .gpcup = 0x0000ffff,
365 .gpcup_mask = 0xffffffff,
366 .gpcup_reg = S3C2410_GPCUP,
367
368 .gpdcon = 0xaa90aaa1,
369 .gpdcon_mask = 0xffc0fff0,
370 .gpdcon_reg = S3C2410_GPDCON,
371 .gpdup = 0x0000fcfd,
372 .gpdup_mask = 0xffffffff,
373 .gpdup_reg = S3C2410_GPDUP,
374 };
375
376 static struct pwm_lookup rx1950_pwm_lookup[] = {
377 PWM_LOOKUP("samsung-pwm", 0, "pwm-backlight.0", NULL, 48000,
378 PWM_POLARITY_NORMAL),
379 };
380
381 static struct pwm_device *lcd_pwm;
382 static struct pwm_state lcd_pwm_state;
383
rx1950_lcd_power(int enable)384 static void rx1950_lcd_power(int enable)
385 {
386 int i;
387 static int enabled;
388 if (enabled == enable)
389 return;
390 if (!enable) {
391
392 /* GPC11-GPC15->OUTPUT */
393 for (i = 11; i < 16; i++)
394 gpio_direction_output(S3C2410_GPC(i), 1);
395
396 /* Wait a bit here... */
397 mdelay(100);
398
399 /* GPD2-GPD7->OUTPUT */
400 /* GPD11-GPD15->OUTPUT */
401 /* GPD2-GPD7->1, GPD11-GPD15->1 */
402 for (i = 2; i < 8; i++)
403 gpio_direction_output(S3C2410_GPD(i), 1);
404 for (i = 11; i < 16; i++)
405 gpio_direction_output(S3C2410_GPD(i), 1);
406
407 /* Wait a bit here...*/
408 mdelay(100);
409
410 /* GPB0->OUTPUT, GPB0->0 */
411 gpio_direction_output(S3C2410_GPB(0), 0);
412
413 /* GPC1-GPC4->OUTPUT, GPC1-4->0 */
414 for (i = 1; i < 5; i++)
415 gpio_direction_output(S3C2410_GPC(i), 0);
416
417 /* GPC15-GPC11->0 */
418 for (i = 11; i < 16; i++)
419 gpio_direction_output(S3C2410_GPC(i), 0);
420
421 /* GPD15-GPD11->0, GPD2->GPD7->0 */
422 for (i = 11; i < 16; i++)
423 gpio_direction_output(S3C2410_GPD(i), 0);
424
425 for (i = 2; i < 8; i++)
426 gpio_direction_output(S3C2410_GPD(i), 0);
427
428 /* GPC6->0, GPC7->0, GPC5->0 */
429 gpio_direction_output(S3C2410_GPC(6), 0);
430 gpio_direction_output(S3C2410_GPC(7), 0);
431 gpio_direction_output(S3C2410_GPC(5), 0);
432
433 /* GPB1->OUTPUT, GPB1->0 */
434 gpio_direction_output(S3C2410_GPB(1), 0);
435
436 lcd_pwm_state.enabled = false;
437 pwm_apply_state(lcd_pwm, &lcd_pwm_state);
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 lcd_pwm_state.enabled = true;
444 pwm_apply_state(lcd_pwm, &lcd_pwm_state);
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 * This is only required to initialize .polarity; all other values are
501 * fixed in this driver.
502 */
503 pwm_init_state(lcd_pwm, &lcd_pwm_state);
504
505 lcd_pwm_state.period = LCD_PWM_PERIOD;
506 lcd_pwm_state.duty_cycle = LCD_PWM_DUTY;
507
508 rx1950_lcd_power(1);
509 rx1950_bl_power(1);
510
511 return 0;
512 }
513
rx1950_backlight_exit(struct device * dev)514 static void rx1950_backlight_exit(struct device *dev)
515 {
516 rx1950_bl_power(0);
517 rx1950_lcd_power(0);
518
519 pwm_free(lcd_pwm);
520 gpio_free(S3C2410_GPB(0));
521 }
522
523
rx1950_backlight_notify(struct device * dev,int brightness)524 static int rx1950_backlight_notify(struct device *dev, int brightness)
525 {
526 if (!brightness) {
527 rx1950_bl_power(0);
528 rx1950_lcd_power(0);
529 } else {
530 rx1950_lcd_power(1);
531 rx1950_bl_power(1);
532 }
533 return brightness;
534 }
535
536 static struct platform_pwm_backlight_data rx1950_backlight_data = {
537 .max_brightness = 24,
538 .dft_brightness = 4,
539 .init = rx1950_backlight_init,
540 .notify = rx1950_backlight_notify,
541 .exit = rx1950_backlight_exit,
542 };
543
544 static struct platform_device rx1950_backlight = {
545 .name = "pwm-backlight",
546 .dev = {
547 .parent = &samsung_device_pwm.dev,
548 .platform_data = &rx1950_backlight_data,
549 },
550 };
551
rx1950_set_mmc_power(unsigned char power_mode,unsigned short vdd)552 static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
553 {
554 s3c24xx_mci_def_set_power(power_mode, vdd);
555
556 switch (power_mode) {
557 case MMC_POWER_OFF:
558 gpio_direction_output(S3C2410_GPJ(1), 0);
559 break;
560 case MMC_POWER_UP:
561 case MMC_POWER_ON:
562 gpio_direction_output(S3C2410_GPJ(1), 1);
563 break;
564 default:
565 break;
566 }
567 }
568
569 static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
570 .set_power = rx1950_set_mmc_power,
571 .ocr_avail = MMC_VDD_32_33,
572 };
573
574 static struct gpiod_lookup_table rx1950_mmc_gpio_table = {
575 .dev_id = "s3c2410-sdi",
576 .table = {
577 /* Card detect S3C2410_GPF(5) */
578 GPIO_LOOKUP("GPIOF", 5, "cd", GPIO_ACTIVE_LOW),
579 /* Write protect S3C2410_GPH(8) */
580 GPIO_LOOKUP("GPIOH", 8, "wp", GPIO_ACTIVE_LOW),
581 /* bus pins */
582 GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH),
583 GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH),
584 GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH),
585 GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH),
586 GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH),
587 GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH),
588 { },
589 },
590 };
591
592 static struct mtd_partition rx1950_nand_part[] = {
593 [0] = {
594 .name = "Boot0",
595 .offset = 0,
596 .size = 0x4000,
597 .mask_flags = MTD_WRITEABLE,
598 },
599 [1] = {
600 .name = "Boot1",
601 .offset = MTDPART_OFS_APPEND,
602 .size = 0x40000,
603 .mask_flags = MTD_WRITEABLE,
604 },
605 [2] = {
606 .name = "Kernel",
607 .offset = MTDPART_OFS_APPEND,
608 .size = 0x300000,
609 .mask_flags = 0,
610 },
611 [3] = {
612 .name = "Filesystem",
613 .offset = MTDPART_OFS_APPEND,
614 .size = MTDPART_SIZ_FULL,
615 .mask_flags = 0,
616 },
617 };
618
619 static struct s3c2410_nand_set rx1950_nand_sets[] = {
620 [0] = {
621 .name = "Internal",
622 .nr_chips = 1,
623 .nr_partitions = ARRAY_SIZE(rx1950_nand_part),
624 .partitions = rx1950_nand_part,
625 },
626 };
627
628 static struct s3c2410_platform_nand rx1950_nand_info = {
629 .tacls = 25,
630 .twrph0 = 50,
631 .twrph1 = 15,
632 .nr_sets = ARRAY_SIZE(rx1950_nand_sets),
633 .sets = rx1950_nand_sets,
634 .engine_type = NAND_ECC_ENGINE_TYPE_SOFT,
635 };
636
637 static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
638 .vbus_pin = S3C2410_GPG(5),
639 .vbus_pin_inverted = 1,
640 .pullup_pin = S3C2410_GPJ(5),
641 };
642
643 static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
644 .delay = 10000,
645 .presc = 49,
646 .oversampling_shift = 3,
647 };
648
649 static struct gpio_keys_button rx1950_gpio_keys_table[] = {
650 {
651 .code = KEY_POWER,
652 .gpio = S3C2410_GPF(0),
653 .active_low = 1,
654 .desc = "Power button",
655 .wakeup = 1,
656 },
657 {
658 .code = KEY_F5,
659 .gpio = S3C2410_GPF(7),
660 .active_low = 1,
661 .desc = "Record button",
662 },
663 {
664 .code = KEY_F1,
665 .gpio = S3C2410_GPG(0),
666 .active_low = 1,
667 .desc = "Calendar button",
668 },
669 {
670 .code = KEY_F2,
671 .gpio = S3C2410_GPG(2),
672 .active_low = 1,
673 .desc = "Contacts button",
674 },
675 {
676 .code = KEY_F3,
677 .gpio = S3C2410_GPG(3),
678 .active_low = 1,
679 .desc = "Mail button",
680 },
681 {
682 .code = KEY_F4,
683 .gpio = S3C2410_GPG(7),
684 .active_low = 1,
685 .desc = "WLAN button",
686 },
687 {
688 .code = KEY_LEFT,
689 .gpio = S3C2410_GPG(10),
690 .active_low = 1,
691 .desc = "Left button",
692 },
693 {
694 .code = KEY_RIGHT,
695 .gpio = S3C2410_GPG(11),
696 .active_low = 1,
697 .desc = "Right button",
698 },
699 {
700 .code = KEY_UP,
701 .gpio = S3C2410_GPG(4),
702 .active_low = 1,
703 .desc = "Up button",
704 },
705 {
706 .code = KEY_DOWN,
707 .gpio = S3C2410_GPG(6),
708 .active_low = 1,
709 .desc = "Down button",
710 },
711 {
712 .code = KEY_ENTER,
713 .gpio = S3C2410_GPG(9),
714 .active_low = 1,
715 .desc = "Ok button"
716 },
717 };
718
719 static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
720 .buttons = rx1950_gpio_keys_table,
721 .nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
722 };
723
724 static struct platform_device rx1950_device_gpiokeys = {
725 .name = "gpio-keys",
726 .dev.platform_data = &rx1950_gpio_keys_data,
727 };
728
729 static struct uda1380_platform_data uda1380_info = {
730 .gpio_power = S3C2410_GPJ(0),
731 .gpio_reset = S3C2410_GPD(0),
732 .dac_clk = UDA1380_DAC_CLK_SYSCLK,
733 };
734
735 static struct i2c_board_info rx1950_i2c_devices[] = {
736 {
737 I2C_BOARD_INFO("uda1380", 0x1a),
738 .platform_data = &uda1380_info,
739 },
740 };
741
742 static struct gpiod_lookup_table rx1950_audio_gpio_table = {
743 .dev_id = "rx1950-audio",
744 .table = {
745 GPIO_LOOKUP("GPIOG", 12, "hp-gpio", GPIO_ACTIVE_HIGH),
746 GPIO_LOOKUP("GPIOA", 1, "speaker-power", GPIO_ACTIVE_HIGH),
747 { },
748 },
749 };
750
751 static struct platform_device rx1950_audio = {
752 .name = "rx1950-audio",
753 .id = -1,
754 };
755
756 static struct platform_device *rx1950_devices[] __initdata = {
757 &s3c2410_device_dclk,
758 &s3c_device_lcd,
759 &s3c_device_wdt,
760 &s3c_device_i2c0,
761 &s3c_device_iis,
762 &s3c_device_usbgadget,
763 &s3c_device_rtc,
764 &s3c_device_nand,
765 &s3c_device_sdi,
766 &s3c_device_adc,
767 &s3c_device_ts,
768 &samsung_device_pwm,
769 &rx1950_backlight,
770 &rx1950_device_gpiokeys,
771 &power_supply,
772 &rx1950_battery,
773 &rx1950_leds,
774 &rx1950_audio,
775 };
776
rx1950_map_io(void)777 static void __init rx1950_map_io(void)
778 {
779 s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
780 s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
781 s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
782
783 /* setup PM */
784
785 #ifdef CONFIG_PM_H1940
786 memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
787 #endif
788
789 s3c_pm_init();
790 }
791
rx1950_init_time(void)792 static void __init rx1950_init_time(void)
793 {
794 s3c2442_init_clocks(16934000);
795 s3c24xx_timer_init();
796 }
797
rx1950_init_machine(void)798 static void __init rx1950_init_machine(void)
799 {
800 int i;
801
802 s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
803 s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
804 s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
805 gpiod_add_lookup_table(&rx1950_mmc_gpio_table);
806 s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
807 s3c_i2c0_set_platdata(NULL);
808 s3c_nand_set_platdata(&rx1950_nand_info);
809
810 /* Turn off suspend on both USB ports, and switch the
811 * selectable USB port to USB device mode. */
812 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
813 S3C2410_MISCCR_USBSUSPND0 |
814 S3C2410_MISCCR_USBSUSPND1, 0x0);
815
816 /* mmc power is disabled by default */
817 WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
818 gpio_direction_output(S3C2410_GPJ(1), 0);
819
820 for (i = 0; i < 8; i++)
821 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
822
823 for (i = 10; i < 16; i++)
824 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
825
826 for (i = 2; i < 8; i++)
827 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
828
829 for (i = 11; i < 16; i++)
830 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
831
832 WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
833
834 WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
835 WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
836 WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
837 gpio_direction_output(S3C2410_GPA(3), 0);
838 gpio_direction_output(S3C2410_GPA(4), 0);
839 gpio_direction_output(S3C2410_GPJ(6), 0);
840
841 pwm_add_table(rx1950_pwm_lookup, ARRAY_SIZE(rx1950_pwm_lookup));
842 gpiod_add_lookup_table(&rx1950_audio_gpio_table);
843 /* Configure the I2S pins (GPE0...GPE4) in correct mode */
844 s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
845 S3C_GPIO_PULL_NONE);
846 platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
847
848 i2c_register_board_info(0, rx1950_i2c_devices,
849 ARRAY_SIZE(rx1950_i2c_devices));
850 }
851
852 /* H1940 and RX3715 need to reserve this for suspend */
rx1950_reserve(void)853 static void __init rx1950_reserve(void)
854 {
855 memblock_reserve(0x30003000, 0x1000);
856 memblock_reserve(0x30081000, 0x1000);
857 }
858
859 MACHINE_START(RX1950, "HP iPAQ RX1950")
860 /* Maintainers: Vasily Khoruzhick */
861 .atag_offset = 0x100,
862 .map_io = rx1950_map_io,
863 .reserve = rx1950_reserve,
864 .init_irq = s3c2442_init_irq,
865 .init_machine = rx1950_init_machine,
866 .init_time = rx1950_init_time,
867 MACHINE_END
868