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
209 static struct gpiod_lookup_table rx1950_bat_gpio_table = {
210 .dev_id = "s3c-adc-battery",
211 .table = {
212 /* Charge status S3C2410_GPF(3) */
213 GPIO_LOOKUP("GPIOF", 3, "charge-status", GPIO_ACTIVE_HIGH),
214 { },
215 },
216 };
217
rx1950_bat_init(void)218 static int rx1950_bat_init(void)
219 {
220 int ret;
221
222 ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
223 if (ret)
224 goto err_gpio1;
225 ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
226 if (ret)
227 goto err_gpio2;
228
229 return 0;
230
231 err_gpio2:
232 gpio_free(S3C2410_GPJ(2));
233 err_gpio1:
234 return ret;
235 }
236
rx1950_bat_exit(void)237 static void rx1950_bat_exit(void)
238 {
239 gpio_free(S3C2410_GPJ(2));
240 gpio_free(S3C2410_GPJ(3));
241 }
242
rx1950_enable_charger(void)243 static void rx1950_enable_charger(void)
244 {
245 gpio_direction_output(S3C2410_GPJ(2), 1);
246 gpio_direction_output(S3C2410_GPJ(3), 1);
247 }
248
rx1950_disable_charger(void)249 static void rx1950_disable_charger(void)
250 {
251 gpio_direction_output(S3C2410_GPJ(2), 0);
252 gpio_direction_output(S3C2410_GPJ(3), 0);
253 }
254
255 static DEFINE_SPINLOCK(rx1950_blink_spin);
256
rx1950_led_blink_set(struct gpio_desc * desc,int state,unsigned long * delay_on,unsigned long * delay_off)257 static int rx1950_led_blink_set(struct gpio_desc *desc, int state,
258 unsigned long *delay_on, unsigned long *delay_off)
259 {
260 int gpio = desc_to_gpio(desc);
261 int blink_gpio, check_gpio;
262
263 switch (gpio) {
264 case S3C2410_GPA(6):
265 blink_gpio = S3C2410_GPA(4);
266 check_gpio = S3C2410_GPA(3);
267 break;
268 case S3C2410_GPA(7):
269 blink_gpio = S3C2410_GPA(3);
270 check_gpio = S3C2410_GPA(4);
271 break;
272 default:
273 return -EINVAL;
274 }
275
276 if (delay_on && delay_off && !*delay_on && !*delay_off)
277 *delay_on = *delay_off = 500;
278
279 spin_lock(&rx1950_blink_spin);
280
281 switch (state) {
282 case GPIO_LED_NO_BLINK_LOW:
283 case GPIO_LED_NO_BLINK_HIGH:
284 if (!gpio_get_value(check_gpio))
285 gpio_set_value(S3C2410_GPJ(6), 0);
286 gpio_set_value(blink_gpio, 0);
287 gpio_set_value(gpio, state);
288 break;
289 case GPIO_LED_BLINK:
290 gpio_set_value(gpio, 0);
291 gpio_set_value(S3C2410_GPJ(6), 1);
292 gpio_set_value(blink_gpio, 1);
293 break;
294 }
295
296 spin_unlock(&rx1950_blink_spin);
297
298 return 0;
299 }
300
301 static struct gpio_led rx1950_leds_desc[] = {
302 {
303 .name = "Green",
304 .default_trigger = "main-battery-full",
305 .gpio = S3C2410_GPA(6),
306 .retain_state_suspended = 1,
307 },
308 {
309 .name = "Red",
310 .default_trigger
311 = "main-battery-charging-blink-full-solid",
312 .gpio = S3C2410_GPA(7),
313 .retain_state_suspended = 1,
314 },
315 {
316 .name = "Blue",
317 .default_trigger = "rx1950-acx-mem",
318 .gpio = S3C2410_GPA(11),
319 .retain_state_suspended = 1,
320 },
321 };
322
323 static struct gpio_led_platform_data rx1950_leds_pdata = {
324 .num_leds = ARRAY_SIZE(rx1950_leds_desc),
325 .leds = rx1950_leds_desc,
326 .gpio_blink_set = rx1950_led_blink_set,
327 };
328
329 static struct platform_device rx1950_leds = {
330 .name = "leds-gpio",
331 .id = -1,
332 .dev = {
333 .platform_data = &rx1950_leds_pdata,
334 },
335 };
336
337 static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
338 .init = rx1950_bat_init,
339 .exit = rx1950_bat_exit,
340 .enable_charger = rx1950_enable_charger,
341 .disable_charger = rx1950_disable_charger,
342 .lut_noac = bat_lut_noac,
343 .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
344 .lut_acin = bat_lut_acin,
345 .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
346 .volt_channel = 0,
347 .current_channel = 1,
348 .volt_mult = 4235,
349 .current_mult = 2900,
350 .internal_impedance = 200,
351 };
352
353 static struct platform_device rx1950_battery = {
354 .name = "s3c-adc-battery",
355 .id = -1,
356 .dev = {
357 .parent = &s3c_device_adc.dev,
358 .platform_data = &rx1950_bat_cfg,
359 },
360 };
361
362 static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
363 .displays = &rx1950_display,
364 .num_displays = 1,
365 .default_display = 0,
366
367 .lpcsel = 0x02,
368 .gpccon = 0xaa9556a9,
369 .gpccon_mask = 0xffc003fc,
370 .gpccon_reg = S3C2410_GPCCON,
371 .gpcup = 0x0000ffff,
372 .gpcup_mask = 0xffffffff,
373 .gpcup_reg = S3C2410_GPCUP,
374
375 .gpdcon = 0xaa90aaa1,
376 .gpdcon_mask = 0xffc0fff0,
377 .gpdcon_reg = S3C2410_GPDCON,
378 .gpdup = 0x0000fcfd,
379 .gpdup_mask = 0xffffffff,
380 .gpdup_reg = S3C2410_GPDUP,
381 };
382
383 static struct pwm_lookup rx1950_pwm_lookup[] = {
384 PWM_LOOKUP("samsung-pwm", 0, "pwm-backlight.0", NULL, 48000,
385 PWM_POLARITY_NORMAL),
386 PWM_LOOKUP("samsung-pwm", 1, "pwm-backlight.0", "RX1950 LCD", LCD_PWM_PERIOD,
387 PWM_POLARITY_NORMAL),
388 };
389
390 static struct pwm_device *lcd_pwm;
391 static struct pwm_state lcd_pwm_state;
392
rx1950_lcd_power(int enable)393 static void rx1950_lcd_power(int enable)
394 {
395 int i;
396 static int enabled;
397 if (enabled == enable)
398 return;
399 if (!enable) {
400
401 /* GPC11-GPC15->OUTPUT */
402 for (i = 11; i < 16; i++)
403 gpio_direction_output(S3C2410_GPC(i), 1);
404
405 /* Wait a bit here... */
406 mdelay(100);
407
408 /* GPD2-GPD7->OUTPUT */
409 /* GPD11-GPD15->OUTPUT */
410 /* GPD2-GPD7->1, GPD11-GPD15->1 */
411 for (i = 2; i < 8; i++)
412 gpio_direction_output(S3C2410_GPD(i), 1);
413 for (i = 11; i < 16; i++)
414 gpio_direction_output(S3C2410_GPD(i), 1);
415
416 /* Wait a bit here...*/
417 mdelay(100);
418
419 /* GPB0->OUTPUT, GPB0->0 */
420 gpio_direction_output(S3C2410_GPB(0), 0);
421
422 /* GPC1-GPC4->OUTPUT, GPC1-4->0 */
423 for (i = 1; i < 5; i++)
424 gpio_direction_output(S3C2410_GPC(i), 0);
425
426 /* GPC15-GPC11->0 */
427 for (i = 11; i < 16; i++)
428 gpio_direction_output(S3C2410_GPC(i), 0);
429
430 /* GPD15-GPD11->0, GPD2->GPD7->0 */
431 for (i = 11; i < 16; i++)
432 gpio_direction_output(S3C2410_GPD(i), 0);
433
434 for (i = 2; i < 8; i++)
435 gpio_direction_output(S3C2410_GPD(i), 0);
436
437 /* GPC6->0, GPC7->0, GPC5->0 */
438 gpio_direction_output(S3C2410_GPC(6), 0);
439 gpio_direction_output(S3C2410_GPC(7), 0);
440 gpio_direction_output(S3C2410_GPC(5), 0);
441
442 /* GPB1->OUTPUT, GPB1->0 */
443 gpio_direction_output(S3C2410_GPB(1), 0);
444
445 lcd_pwm_state.enabled = false;
446 pwm_apply_state(lcd_pwm, &lcd_pwm_state);
447
448 /* GPC0->0, GPC10->0 */
449 gpio_direction_output(S3C2410_GPC(0), 0);
450 gpio_direction_output(S3C2410_GPC(10), 0);
451 } else {
452 lcd_pwm_state.enabled = true;
453 pwm_apply_state(lcd_pwm, &lcd_pwm_state);
454
455 gpio_direction_output(S3C2410_GPC(0), 1);
456 gpio_direction_output(S3C2410_GPC(5), 1);
457
458 s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
459 gpio_direction_output(S3C2410_GPC(7), 1);
460
461 for (i = 1; i < 5; i++)
462 s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
463
464 for (i = 11; i < 16; i++)
465 s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
466
467 for (i = 2; i < 8; i++)
468 s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
469
470 for (i = 11; i < 16; i++)
471 s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
472
473 gpio_direction_output(S3C2410_GPC(10), 1);
474 gpio_direction_output(S3C2410_GPC(6), 1);
475 }
476 enabled = enable;
477 }
478
rx1950_bl_power(int enable)479 static void rx1950_bl_power(int enable)
480 {
481 static int enabled;
482 if (enabled == enable)
483 return;
484 if (!enable) {
485 gpio_direction_output(S3C2410_GPB(0), 0);
486 } else {
487 /* LED driver need a "push" to power on */
488 gpio_direction_output(S3C2410_GPB(0), 1);
489 /* Warm up backlight for one period of PWM.
490 * Without this trick its almost impossible to
491 * enable backlight with low brightness value
492 */
493 ndelay(48000);
494 s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
495 }
496 enabled = enable;
497 }
498
rx1950_backlight_init(struct device * dev)499 static int rx1950_backlight_init(struct device *dev)
500 {
501 WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
502 lcd_pwm = pwm_get(dev, "RX1950 LCD");
503 if (IS_ERR(lcd_pwm)) {
504 dev_err(dev, "Unable to request PWM for LCD power!\n");
505 return PTR_ERR(lcd_pwm);
506 }
507
508 /*
509 * Call pwm_init_state to initialize .polarity and .period. The other
510 * values are fixed in this driver.
511 */
512 pwm_init_state(lcd_pwm, &lcd_pwm_state);
513
514 lcd_pwm_state.duty_cycle = LCD_PWM_DUTY;
515
516 rx1950_lcd_power(1);
517 rx1950_bl_power(1);
518
519 return 0;
520 }
521
rx1950_backlight_exit(struct device * dev)522 static void rx1950_backlight_exit(struct device *dev)
523 {
524 rx1950_bl_power(0);
525 rx1950_lcd_power(0);
526
527 pwm_put(lcd_pwm);
528 gpio_free(S3C2410_GPB(0));
529 }
530
531
rx1950_backlight_notify(struct device * dev,int brightness)532 static int rx1950_backlight_notify(struct device *dev, int brightness)
533 {
534 if (!brightness) {
535 rx1950_bl_power(0);
536 rx1950_lcd_power(0);
537 } else {
538 rx1950_lcd_power(1);
539 rx1950_bl_power(1);
540 }
541 return brightness;
542 }
543
544 static struct platform_pwm_backlight_data rx1950_backlight_data = {
545 .max_brightness = 24,
546 .dft_brightness = 4,
547 .init = rx1950_backlight_init,
548 .notify = rx1950_backlight_notify,
549 .exit = rx1950_backlight_exit,
550 };
551
552 static struct platform_device rx1950_backlight = {
553 .name = "pwm-backlight",
554 .dev = {
555 .parent = &samsung_device_pwm.dev,
556 .platform_data = &rx1950_backlight_data,
557 },
558 };
559
rx1950_set_mmc_power(unsigned char power_mode,unsigned short vdd)560 static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
561 {
562 s3c24xx_mci_def_set_power(power_mode, vdd);
563
564 switch (power_mode) {
565 case MMC_POWER_OFF:
566 gpio_direction_output(S3C2410_GPJ(1), 0);
567 break;
568 case MMC_POWER_UP:
569 case MMC_POWER_ON:
570 gpio_direction_output(S3C2410_GPJ(1), 1);
571 break;
572 default:
573 break;
574 }
575 }
576
577 static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
578 .set_power = rx1950_set_mmc_power,
579 .ocr_avail = MMC_VDD_32_33,
580 };
581
582 static struct gpiod_lookup_table rx1950_mmc_gpio_table = {
583 .dev_id = "s3c2410-sdi",
584 .table = {
585 /* Card detect S3C2410_GPF(5) */
586 GPIO_LOOKUP("GPIOF", 5, "cd", GPIO_ACTIVE_LOW),
587 /* Write protect S3C2410_GPH(8) */
588 GPIO_LOOKUP("GPIOH", 8, "wp", GPIO_ACTIVE_LOW),
589 /* bus pins */
590 GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH),
591 GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH),
592 GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH),
593 GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH),
594 GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH),
595 GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH),
596 { },
597 },
598 };
599
600 static struct mtd_partition rx1950_nand_part[] = {
601 [0] = {
602 .name = "Boot0",
603 .offset = 0,
604 .size = 0x4000,
605 .mask_flags = MTD_WRITEABLE,
606 },
607 [1] = {
608 .name = "Boot1",
609 .offset = MTDPART_OFS_APPEND,
610 .size = 0x40000,
611 .mask_flags = MTD_WRITEABLE,
612 },
613 [2] = {
614 .name = "Kernel",
615 .offset = MTDPART_OFS_APPEND,
616 .size = 0x300000,
617 .mask_flags = 0,
618 },
619 [3] = {
620 .name = "Filesystem",
621 .offset = MTDPART_OFS_APPEND,
622 .size = MTDPART_SIZ_FULL,
623 .mask_flags = 0,
624 },
625 };
626
627 static struct s3c2410_nand_set rx1950_nand_sets[] = {
628 [0] = {
629 .name = "Internal",
630 .nr_chips = 1,
631 .nr_partitions = ARRAY_SIZE(rx1950_nand_part),
632 .partitions = rx1950_nand_part,
633 },
634 };
635
636 static struct s3c2410_platform_nand rx1950_nand_info = {
637 .tacls = 25,
638 .twrph0 = 50,
639 .twrph1 = 15,
640 .nr_sets = ARRAY_SIZE(rx1950_nand_sets),
641 .sets = rx1950_nand_sets,
642 .engine_type = NAND_ECC_ENGINE_TYPE_SOFT,
643 };
644
645 static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
646 };
647
648 static struct gpiod_lookup_table rx1950_udc_gpio_table = {
649 .dev_id = "s3c2410-usbgadget",
650 .table = {
651 GPIO_LOOKUP("GPIOG", 5, "vbus", GPIO_ACTIVE_LOW),
652 GPIO_LOOKUP("GPIOJ", 5, "pullup", GPIO_ACTIVE_HIGH),
653 { },
654 },
655 };
656
657 static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
658 .delay = 10000,
659 .presc = 49,
660 .oversampling_shift = 3,
661 };
662
663 static struct gpio_keys_button rx1950_gpio_keys_table[] = {
664 {
665 .code = KEY_POWER,
666 .gpio = S3C2410_GPF(0),
667 .active_low = 1,
668 .desc = "Power button",
669 .wakeup = 1,
670 },
671 {
672 .code = KEY_F5,
673 .gpio = S3C2410_GPF(7),
674 .active_low = 1,
675 .desc = "Record button",
676 },
677 {
678 .code = KEY_F1,
679 .gpio = S3C2410_GPG(0),
680 .active_low = 1,
681 .desc = "Calendar button",
682 },
683 {
684 .code = KEY_F2,
685 .gpio = S3C2410_GPG(2),
686 .active_low = 1,
687 .desc = "Contacts button",
688 },
689 {
690 .code = KEY_F3,
691 .gpio = S3C2410_GPG(3),
692 .active_low = 1,
693 .desc = "Mail button",
694 },
695 {
696 .code = KEY_F4,
697 .gpio = S3C2410_GPG(7),
698 .active_low = 1,
699 .desc = "WLAN button",
700 },
701 {
702 .code = KEY_LEFT,
703 .gpio = S3C2410_GPG(10),
704 .active_low = 1,
705 .desc = "Left button",
706 },
707 {
708 .code = KEY_RIGHT,
709 .gpio = S3C2410_GPG(11),
710 .active_low = 1,
711 .desc = "Right button",
712 },
713 {
714 .code = KEY_UP,
715 .gpio = S3C2410_GPG(4),
716 .active_low = 1,
717 .desc = "Up button",
718 },
719 {
720 .code = KEY_DOWN,
721 .gpio = S3C2410_GPG(6),
722 .active_low = 1,
723 .desc = "Down button",
724 },
725 {
726 .code = KEY_ENTER,
727 .gpio = S3C2410_GPG(9),
728 .active_low = 1,
729 .desc = "Ok button"
730 },
731 };
732
733 static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
734 .buttons = rx1950_gpio_keys_table,
735 .nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
736 };
737
738 static struct platform_device rx1950_device_gpiokeys = {
739 .name = "gpio-keys",
740 .dev.platform_data = &rx1950_gpio_keys_data,
741 };
742
743 static struct uda1380_platform_data uda1380_info = {
744 .gpio_power = S3C2410_GPJ(0),
745 .gpio_reset = S3C2410_GPD(0),
746 .dac_clk = UDA1380_DAC_CLK_SYSCLK,
747 };
748
749 static struct i2c_board_info rx1950_i2c_devices[] = {
750 {
751 I2C_BOARD_INFO("uda1380", 0x1a),
752 .platform_data = &uda1380_info,
753 },
754 };
755
756 static struct gpiod_lookup_table rx1950_audio_gpio_table = {
757 .dev_id = "rx1950-audio",
758 .table = {
759 GPIO_LOOKUP("GPIOG", 12, "hp-gpio", GPIO_ACTIVE_HIGH),
760 GPIO_LOOKUP("GPIOA", 1, "speaker-power", GPIO_ACTIVE_HIGH),
761 { },
762 },
763 };
764
765 static struct platform_device rx1950_audio = {
766 .name = "rx1950-audio",
767 .id = -1,
768 };
769
770 static struct platform_device *rx1950_devices[] __initdata = {
771 &s3c2410_device_dclk,
772 &s3c_device_lcd,
773 &s3c_device_wdt,
774 &s3c_device_i2c0,
775 &s3c_device_iis,
776 &s3c_device_usbgadget,
777 &s3c_device_rtc,
778 &s3c_device_nand,
779 &s3c_device_sdi,
780 &s3c_device_adc,
781 &s3c_device_ts,
782 &samsung_device_pwm,
783 &rx1950_backlight,
784 &rx1950_device_gpiokeys,
785 &power_supply,
786 &rx1950_battery,
787 &rx1950_leds,
788 &rx1950_audio,
789 };
790
rx1950_map_io(void)791 static void __init rx1950_map_io(void)
792 {
793 s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
794 s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
795 s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
796
797 /* setup PM */
798
799 #ifdef CONFIG_PM_H1940
800 memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
801 #endif
802
803 s3c_pm_init();
804 }
805
rx1950_init_time(void)806 static void __init rx1950_init_time(void)
807 {
808 s3c2442_init_clocks(16934000);
809 s3c24xx_timer_init();
810 }
811
rx1950_init_machine(void)812 static void __init rx1950_init_machine(void)
813 {
814 int i;
815
816 s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
817 s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
818 s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
819 gpiod_add_lookup_table(&rx1950_mmc_gpio_table);
820 s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
821 s3c_i2c0_set_platdata(NULL);
822 s3c_nand_set_platdata(&rx1950_nand_info);
823
824 /* Turn off suspend on both USB ports, and switch the
825 * selectable USB port to USB device mode. */
826 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
827 S3C2410_MISCCR_USBSUSPND0 |
828 S3C2410_MISCCR_USBSUSPND1, 0x0);
829
830 /* mmc power is disabled by default */
831 WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
832 gpio_direction_output(S3C2410_GPJ(1), 0);
833
834 for (i = 0; i < 8; i++)
835 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
836
837 for (i = 10; i < 16; i++)
838 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
839
840 for (i = 2; i < 8; i++)
841 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
842
843 for (i = 11; i < 16; i++)
844 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
845
846 WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
847
848 WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
849 WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
850 WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
851 gpio_direction_output(S3C2410_GPA(3), 0);
852 gpio_direction_output(S3C2410_GPA(4), 0);
853 gpio_direction_output(S3C2410_GPJ(6), 0);
854
855 pwm_add_table(rx1950_pwm_lookup, ARRAY_SIZE(rx1950_pwm_lookup));
856 gpiod_add_lookup_table(&rx1950_udc_gpio_table);
857 gpiod_add_lookup_table(&rx1950_audio_gpio_table);
858 gpiod_add_lookup_table(&rx1950_bat_gpio_table);
859 /* Configure the I2S pins (GPE0...GPE4) in correct mode */
860 s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
861 S3C_GPIO_PULL_NONE);
862 platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
863
864 i2c_register_board_info(0, rx1950_i2c_devices,
865 ARRAY_SIZE(rx1950_i2c_devices));
866 }
867
868 /* H1940 and RX3715 need to reserve this for suspend */
rx1950_reserve(void)869 static void __init rx1950_reserve(void)
870 {
871 memblock_reserve(0x30003000, 0x1000);
872 memblock_reserve(0x30081000, 0x1000);
873 }
874
875 MACHINE_START(RX1950, "HP iPAQ RX1950")
876 /* Maintainers: Vasily Khoruzhick */
877 .atag_offset = 0x100,
878 .nr_irqs = NR_IRQS_S3C2442,
879 .map_io = rx1950_map_io,
880 .reserve = rx1950_reserve,
881 .init_irq = s3c2442_init_irq,
882 .init_machine = rx1950_init_machine,
883 .init_time = rx1950_init_time,
884 MACHINE_END
885
