1 /*
2 * Support for HTC Magician PDA phones:
3 * i-mate JAM, O2 Xda mini, Orange SPV M500, Qtek s100, Qtek s110
4 * and T-Mobile MDA Compact.
5 *
6 * Copyright (c) 2006-2007 Philipp Zabel
7 *
8 * Based on hx4700.c, spitz.c and others.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 *
14 */
15
16 #include <linux/kernel.h>
17 #include <linux/init.h>
18 #include <linux/platform_device.h>
19 #include <linux/delay.h>
20 #include <linux/gpio.h>
21 #include <linux/gpio_keys.h>
22 #include <linux/input.h>
23 #include <linux/mfd/htc-pasic3.h>
24 #include <linux/mtd/physmap.h>
25 #include <linux/pda_power.h>
26 #include <linux/platform_data/gpio-htc-egpio.h>
27 #include <linux/pwm.h>
28 #include <linux/pwm_backlight.h>
29 #include <linux/regulator/driver.h>
30 #include <linux/regulator/fixed.h>
31 #include <linux/regulator/gpio-regulator.h>
32 #include <linux/regulator/machine.h>
33 #include <linux/usb/gpio_vbus.h>
34 #include <linux/platform_data/i2c-pxa.h>
35
36 #include <mach/hardware.h>
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/system_info.h>
40
41 #include "pxa27x.h"
42 #include <mach/magician.h>
43 #include <linux/platform_data/video-pxafb.h>
44 #include <linux/platform_data/mmc-pxamci.h>
45 #include <linux/platform_data/irda-pxaficp.h>
46 #include <linux/platform_data/usb-ohci-pxa27x.h>
47
48 #include <linux/regulator/max1586.h>
49
50 #include <linux/platform_data/pxa2xx_udc.h>
51
52 #include "udc.h"
53 #include "pxa27x-udc.h"
54 #include "devices.h"
55 #include "generic.h"
56
57 #include <linux/spi/spi.h>
58 #include <linux/spi/pxa2xx_spi.h>
59 #include <linux/spi/ads7846.h>
60
61 static unsigned long magician_pin_config[] __initdata = {
62
63 /* SDRAM and Static Memory I/O Signals */
64 GPIO20_nSDCS_2,
65 GPIO21_nSDCS_3,
66 GPIO15_nCS_1,
67 GPIO78_nCS_2, /* PASIC3 */
68 GPIO79_nCS_3, /* EGPIO CPLD */
69 GPIO80_nCS_4,
70 GPIO33_nCS_5,
71
72 /* I2C UDA1380 + OV9640 */
73 GPIO117_I2C_SCL,
74 GPIO118_I2C_SDA,
75
76 /* PWM 0 - LCD backlight */
77 GPIO16_PWM0_OUT,
78
79 /* I2S UDA1380 capture */
80 GPIO28_I2S_BITCLK_OUT,
81 GPIO29_I2S_SDATA_IN,
82 GPIO31_I2S_SYNC,
83 GPIO113_I2S_SYSCLK,
84
85 /* SSP 1 UDA1380 playback */
86 GPIO23_SSP1_SCLK,
87 GPIO24_SSP1_SFRM,
88 GPIO25_SSP1_TXD,
89
90 /* SSP 2 TSC2046 touchscreen */
91 GPIO19_SSP2_SCLK,
92 MFP_CFG_OUT(GPIO14, AF0, DRIVE_HIGH), /* frame as GPIO */
93 GPIO89_SSP2_TXD,
94 GPIO88_SSP2_RXD,
95
96 /* MMC/SD/SDHC slot */
97 GPIO32_MMC_CLK,
98 GPIO92_MMC_DAT_0,
99 GPIO109_MMC_DAT_1,
100 GPIO110_MMC_DAT_2,
101 GPIO111_MMC_DAT_3,
102 GPIO112_MMC_CMD,
103
104 /* LCD */
105 GPIOxx_LCD_TFT_16BPP,
106
107 /* QCI camera interface */
108 GPIO12_CIF_DD_7,
109 GPIO17_CIF_DD_6,
110 GPIO50_CIF_DD_3,
111 GPIO51_CIF_DD_2,
112 GPIO52_CIF_DD_4,
113 GPIO53_CIF_MCLK,
114 GPIO54_CIF_PCLK,
115 GPIO55_CIF_DD_1,
116 GPIO81_CIF_DD_0,
117 GPIO82_CIF_DD_5,
118 GPIO84_CIF_FV,
119 GPIO85_CIF_LV,
120
121 /* Magician specific input GPIOs */
122 GPIO9_GPIO, /* unknown */
123 GPIO10_GPIO, /* GSM_IRQ */
124 GPIO13_GPIO, /* CPLD_IRQ */
125 GPIO107_GPIO, /* DS1WM_IRQ */
126 GPIO108_GPIO, /* GSM_READY */
127 GPIO115_GPIO, /* nPEN_IRQ */
128 };
129
130 /*
131 * IrDA
132 */
133
134 static struct pxaficp_platform_data magician_ficp_info = {
135 .gpio_pwdown = GPIO83_MAGICIAN_nIR_EN,
136 .transceiver_cap = IR_SIRMODE | IR_OFF,
137 .gpio_pwdown_inverted = 0,
138 };
139
140 /*
141 * GPIO Keys
142 */
143
144 #define INIT_KEY(_code, _gpio, _desc) \
145 { \
146 .code = KEY_##_code, \
147 .gpio = _gpio, \
148 .desc = _desc, \
149 .type = EV_KEY, \
150 .wakeup = 1, \
151 }
152
153 static struct gpio_keys_button magician_button_table[] = {
154 INIT_KEY(POWER, GPIO0_MAGICIAN_KEY_POWER, "Power button"),
155 INIT_KEY(ESC, GPIO37_MAGICIAN_KEY_HANGUP, "Hangup button"),
156 INIT_KEY(F10, GPIO38_MAGICIAN_KEY_CONTACTS, "Contacts button"),
157 INIT_KEY(CALENDAR, GPIO90_MAGICIAN_KEY_CALENDAR, "Calendar button"),
158 INIT_KEY(CAMERA, GPIO91_MAGICIAN_KEY_CAMERA, "Camera button"),
159 INIT_KEY(UP, GPIO93_MAGICIAN_KEY_UP, "Up button"),
160 INIT_KEY(DOWN, GPIO94_MAGICIAN_KEY_DOWN, "Down button"),
161 INIT_KEY(LEFT, GPIO95_MAGICIAN_KEY_LEFT, "Left button"),
162 INIT_KEY(RIGHT, GPIO96_MAGICIAN_KEY_RIGHT, "Right button"),
163 INIT_KEY(KPENTER, GPIO97_MAGICIAN_KEY_ENTER, "Action button"),
164 INIT_KEY(RECORD, GPIO98_MAGICIAN_KEY_RECORD, "Record button"),
165 INIT_KEY(VOLUMEUP, GPIO100_MAGICIAN_KEY_VOL_UP, "Volume up"),
166 INIT_KEY(VOLUMEDOWN, GPIO101_MAGICIAN_KEY_VOL_DOWN, "Volume down"),
167 INIT_KEY(PHONE, GPIO102_MAGICIAN_KEY_PHONE, "Phone button"),
168 INIT_KEY(PLAY, GPIO99_MAGICIAN_HEADPHONE_IN, "Headset button"),
169 };
170
171 static struct gpio_keys_platform_data gpio_keys_data = {
172 .buttons = magician_button_table,
173 .nbuttons = ARRAY_SIZE(magician_button_table),
174 };
175
176 static struct platform_device gpio_keys = {
177 .name = "gpio-keys",
178 .dev = {
179 .platform_data = &gpio_keys_data,
180 },
181 .id = -1,
182 };
183
184 /*
185 * EGPIO (Xilinx CPLD)
186 *
187 * 32-bit aligned 8-bit registers
188 * 16 possible registers (reg windows size), only 7 used:
189 * 3x output, 1x irq, 3x input
190 */
191
192 static struct resource egpio_resources[] = {
193 [0] = {
194 .start = PXA_CS3_PHYS,
195 .end = PXA_CS3_PHYS + 0x20 - 1,
196 .flags = IORESOURCE_MEM,
197 },
198 [1] = {
199 .start = PXA_GPIO_TO_IRQ(GPIO13_MAGICIAN_CPLD_IRQ),
200 .end = PXA_GPIO_TO_IRQ(GPIO13_MAGICIAN_CPLD_IRQ),
201 .flags = IORESOURCE_IRQ,
202 },
203 };
204
205 static struct htc_egpio_chip egpio_chips[] = {
206 [0] = {
207 .reg_start = 0,
208 .gpio_base = MAGICIAN_EGPIO(0, 0),
209 .num_gpios = 24,
210 .direction = HTC_EGPIO_OUTPUT,
211 /*
212 * Depends on modules configuration
213 */
214 .initial_values = 0x40, /* EGPIO_MAGICIAN_GSM_RESET */
215 },
216 [1] = {
217 .reg_start = 4,
218 .gpio_base = MAGICIAN_EGPIO(4, 0),
219 .num_gpios = 24,
220 .direction = HTC_EGPIO_INPUT,
221 },
222 };
223
224 static struct htc_egpio_platform_data egpio_info = {
225 .reg_width = 8,
226 .bus_width = 32,
227 .irq_base = IRQ_BOARD_START,
228 .num_irqs = 4,
229 .ack_register = 3,
230 .chip = egpio_chips,
231 .num_chips = ARRAY_SIZE(egpio_chips),
232 };
233
234 static struct platform_device egpio = {
235 .name = "htc-egpio",
236 .id = -1,
237 .resource = egpio_resources,
238 .num_resources = ARRAY_SIZE(egpio_resources),
239 .dev = {
240 .platform_data = &egpio_info,
241 },
242 };
243
244 /*
245 * PXAFB LCD - Toppoly TD028STEB1 or Samsung LTP280QV
246 */
247
248 static struct pxafb_mode_info toppoly_modes[] = {
249 {
250 .pixclock = 96153,
251 .bpp = 16,
252 .xres = 240,
253 .yres = 320,
254 .hsync_len = 11,
255 .vsync_len = 3,
256 .left_margin = 19,
257 .upper_margin = 2,
258 .right_margin = 10,
259 .lower_margin = 2,
260 .sync = 0,
261 },
262 };
263
264 static struct pxafb_mode_info samsung_modes[] = {
265 {
266 .pixclock = 226469,
267 .bpp = 16,
268 .xres = 240,
269 .yres = 320,
270 .hsync_len = 8,
271 .vsync_len = 4,
272 .left_margin = 9,
273 .upper_margin = 4,
274 .right_margin = 9,
275 .lower_margin = 4,
276 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
277 },
278 };
279
toppoly_lcd_power(int on,struct fb_var_screeninfo * si)280 static void toppoly_lcd_power(int on, struct fb_var_screeninfo *si)
281 {
282 pr_debug("Toppoly LCD power: %s\n", on ? "on" : "off");
283
284 if (on) {
285 gpio_set_value(EGPIO_MAGICIAN_TOPPOLY_POWER, 1);
286 gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 1);
287 udelay(2000);
288 gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
289 udelay(2000);
290 /* FIXME: enable LCDC here */
291 udelay(2000);
292 gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 1);
293 udelay(2000);
294 gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 1);
295 } else {
296 msleep(15);
297 gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 0);
298 udelay(500);
299 gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 0);
300 udelay(1000);
301 gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 0);
302 gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
303 }
304 }
305
samsung_lcd_power(int on,struct fb_var_screeninfo * si)306 static void samsung_lcd_power(int on, struct fb_var_screeninfo *si)
307 {
308 pr_debug("Samsung LCD power: %s\n", on ? "on" : "off");
309
310 if (on) {
311 if (system_rev < 3)
312 gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 1);
313 else
314 gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
315 mdelay(6);
316 gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 1);
317 mdelay(6); /* Avdd -> Voff >5ms */
318 gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 1);
319 mdelay(16); /* Voff -> Von >(5+10)ms */
320 gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 1);
321 } else {
322 gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 0);
323 mdelay(16);
324 gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 0);
325 mdelay(6);
326 gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 0);
327 mdelay(6);
328 if (system_rev < 3)
329 gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 0);
330 else
331 gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
332 }
333 }
334
335 static struct pxafb_mach_info toppoly_info = {
336 .modes = toppoly_modes,
337 .num_modes = 1,
338 .fixed_modes = 1,
339 .lcd_conn = LCD_COLOR_TFT_16BPP,
340 .pxafb_lcd_power = toppoly_lcd_power,
341 };
342
343 static struct pxafb_mach_info samsung_info = {
344 .modes = samsung_modes,
345 .num_modes = 1,
346 .fixed_modes = 1,
347 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
348 LCD_ALTERNATE_MAPPING,
349 .pxafb_lcd_power = samsung_lcd_power,
350 };
351
352 /*
353 * Backlight
354 */
355
356 static struct pwm_lookup magician_pwm_lookup[] = {
357 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 30923,
358 PWM_POLARITY_NORMAL),
359 };
360
361 /*
362 * fixed regulator for pwm_backlight
363 */
364
365 static struct regulator_consumer_supply pwm_backlight_supply[] = {
366 REGULATOR_SUPPLY("power", "pwm_backlight"),
367 };
368
369
370 static struct gpio magician_bl_gpios[] = {
371 { EGPIO_MAGICIAN_BL_POWER, GPIOF_DIR_OUT, "Backlight power" },
372 { EGPIO_MAGICIAN_BL_POWER2, GPIOF_DIR_OUT, "Backlight power 2" },
373 };
374
magician_backlight_init(struct device * dev)375 static int magician_backlight_init(struct device *dev)
376 {
377 return gpio_request_array(ARRAY_AND_SIZE(magician_bl_gpios));
378 }
379
magician_backlight_notify(struct device * dev,int brightness)380 static int magician_backlight_notify(struct device *dev, int brightness)
381 {
382 pr_debug("Brightness = %i\n", brightness);
383 gpio_set_value(EGPIO_MAGICIAN_BL_POWER, brightness);
384 if (brightness >= 200) {
385 gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1);
386 return brightness - 72;
387 } else {
388 gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0);
389 return brightness;
390 }
391 }
392
magician_backlight_exit(struct device * dev)393 static void magician_backlight_exit(struct device *dev)
394 {
395 gpio_free_array(ARRAY_AND_SIZE(magician_bl_gpios));
396 }
397
398 /*
399 * LCD PWM backlight (main)
400 *
401 * MP1521 frequency should be:
402 * 100-400 Hz = 2 .5*10^6 - 10 *10^6 ns
403 */
404
405 static struct platform_pwm_backlight_data backlight_data = {
406 .max_brightness = 272,
407 .dft_brightness = 100,
408 .enable_gpio = -1,
409 .init = magician_backlight_init,
410 .notify = magician_backlight_notify,
411 .exit = magician_backlight_exit,
412 };
413
414 static struct platform_device backlight = {
415 .name = "pwm-backlight",
416 .id = -1,
417 .dev = {
418 .parent = &pxa27x_device_pwm0.dev,
419 .platform_data = &backlight_data,
420 },
421 };
422
423 /*
424 * GPIO LEDs, Phone keys backlight, vibra
425 */
426
427 static struct gpio_led gpio_leds[] = {
428 {
429 .name = "magician::vibra",
430 .default_trigger = "none",
431 .gpio = GPIO22_MAGICIAN_VIBRA_EN,
432 },
433 {
434 .name = "magician::phone_bl",
435 .default_trigger = "backlight",
436 .gpio = GPIO103_MAGICIAN_LED_KP,
437 },
438 };
439
440 static struct gpio_led_platform_data gpio_led_info = {
441 .leds = gpio_leds,
442 .num_leds = ARRAY_SIZE(gpio_leds),
443 };
444
445 static struct platform_device leds_gpio = {
446 .name = "leds-gpio",
447 .id = -1,
448 .dev = {
449 .platform_data = &gpio_led_info,
450 },
451 };
452
453 /*
454 * PASIC3 with DS1WM
455 */
456
457 static struct resource pasic3_resources[] = {
458 [0] = {
459 .start = PXA_CS2_PHYS,
460 .end = PXA_CS2_PHYS + 0x1b,
461 .flags = IORESOURCE_MEM,
462 },
463 /* No IRQ handler in the PASIC3, DS1WM needs an external IRQ */
464 [1] = {
465 .start = PXA_GPIO_TO_IRQ(GPIO107_MAGICIAN_DS1WM_IRQ),
466 .end = PXA_GPIO_TO_IRQ(GPIO107_MAGICIAN_DS1WM_IRQ),
467 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
468 }
469 };
470
471 static struct pasic3_platform_data pasic3_platform_data = {
472 .clock_rate = 4000000,
473 };
474
475 static struct platform_device pasic3 = {
476 .name = "pasic3",
477 .id = -1,
478 .num_resources = ARRAY_SIZE(pasic3_resources),
479 .resource = pasic3_resources,
480 .dev = {
481 .platform_data = &pasic3_platform_data,
482 },
483 };
484
485 /*
486 * PXA UDC
487 */
488
magician_udc_command(int cmd)489 static void magician_udc_command(int cmd)
490 {
491 if (cmd == PXA2XX_UDC_CMD_CONNECT)
492 UP2OCR |= UP2OCR_DPPUE | UP2OCR_DPPUBE;
493 else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
494 UP2OCR &= ~(UP2OCR_DPPUE | UP2OCR_DPPUBE);
495 }
496
497 static struct pxa2xx_udc_mach_info magician_udc_info __initdata = {
498 .udc_command = magician_udc_command,
499 .gpio_pullup = GPIO27_MAGICIAN_USBC_PUEN,
500 };
501
502 /*
503 * USB device VBus detection
504 */
505
506 static struct resource gpio_vbus_resource = {
507 .flags = IORESOURCE_IRQ,
508 .start = IRQ_MAGICIAN_VBUS,
509 .end = IRQ_MAGICIAN_VBUS,
510 };
511
512 static struct gpio_vbus_mach_info gpio_vbus_info = {
513 .gpio_pullup = GPIO27_MAGICIAN_USBC_PUEN,
514 .gpio_vbus = EGPIO_MAGICIAN_CABLE_VBUS,
515 };
516
517 static struct platform_device gpio_vbus = {
518 .name = "gpio-vbus",
519 .id = -1,
520 .num_resources = 1,
521 .resource = &gpio_vbus_resource,
522 .dev = {
523 .platform_data = &gpio_vbus_info,
524 },
525 };
526
527 /*
528 * External power
529 */
530
magician_supply_init(struct device * dev)531 static int magician_supply_init(struct device *dev)
532 {
533 int ret = -1;
534
535 ret = gpio_request(EGPIO_MAGICIAN_CABLE_TYPE, "Cable is AC charger");
536 if (ret) {
537 pr_err("Cannot request AC/USB charger GPIO (%i)\n", ret);
538 goto err_ac;
539 }
540
541 ret = gpio_request(EGPIO_MAGICIAN_CABLE_INSERTED, "Cable inserted");
542 if (ret) {
543 pr_err("Cannot request cable detection GPIO (%i)\n", ret);
544 goto err_usb;
545 }
546
547 return 0;
548
549 err_usb:
550 gpio_free(EGPIO_MAGICIAN_CABLE_TYPE);
551 err_ac:
552 return ret;
553 }
554
magician_set_charge(int flags)555 static void magician_set_charge(int flags)
556 {
557 if (flags & PDA_POWER_CHARGE_AC) {
558 pr_debug("Charging from AC\n");
559 gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 1);
560 } else if (flags & PDA_POWER_CHARGE_USB) {
561 pr_debug("Charging from USB\n");
562 gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 1);
563 } else {
564 pr_debug("Charging disabled\n");
565 gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 0);
566 }
567 }
568
magician_is_ac_online(void)569 static int magician_is_ac_online(void)
570 {
571 return gpio_get_value(EGPIO_MAGICIAN_CABLE_INSERTED) &&
572 gpio_get_value(EGPIO_MAGICIAN_CABLE_TYPE); /* AC=1 */
573 }
574
magician_is_usb_online(void)575 static int magician_is_usb_online(void)
576 {
577 return gpio_get_value(EGPIO_MAGICIAN_CABLE_INSERTED) &&
578 (!gpio_get_value(EGPIO_MAGICIAN_CABLE_TYPE)); /* USB=0 */
579 }
580
magician_supply_exit(struct device * dev)581 static void magician_supply_exit(struct device *dev)
582 {
583 gpio_free(EGPIO_MAGICIAN_CABLE_INSERTED);
584 gpio_free(EGPIO_MAGICIAN_CABLE_TYPE);
585 }
586
587 static char *magician_supplicants[] = {
588 "ds2760-battery.0", "backup-battery"
589 };
590
591 static struct pda_power_pdata power_supply_info = {
592 .init = magician_supply_init,
593 .exit = magician_supply_exit,
594 .is_ac_online = magician_is_ac_online,
595 .is_usb_online = magician_is_usb_online,
596 .set_charge = magician_set_charge,
597 .supplied_to = magician_supplicants,
598 .num_supplicants = ARRAY_SIZE(magician_supplicants),
599 };
600
601 static struct resource power_supply_resources[] = {
602 [0] = {
603 .name = "ac",
604 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
605 IORESOURCE_IRQ_LOWEDGE,
606 .start = IRQ_MAGICIAN_VBUS,
607 .end = IRQ_MAGICIAN_VBUS,
608 },
609 [1] = {
610 .name = "usb",
611 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
612 IORESOURCE_IRQ_LOWEDGE,
613 .start = IRQ_MAGICIAN_VBUS,
614 .end = IRQ_MAGICIAN_VBUS,
615 },
616 };
617
618 static struct platform_device power_supply = {
619 .name = "pda-power",
620 .id = -1,
621 .dev = {
622 .platform_data = &power_supply_info,
623 },
624 .resource = power_supply_resources,
625 .num_resources = ARRAY_SIZE(power_supply_resources),
626 };
627
628 /*
629 * Battery charger
630 */
631
632 static struct regulator_consumer_supply bq24022_consumers[] = {
633 REGULATOR_SUPPLY("vbus_draw", NULL),
634 REGULATOR_SUPPLY("ac_draw", NULL),
635 };
636
637 static struct regulator_init_data bq24022_init_data = {
638 .constraints = {
639 .max_uA = 500000,
640 .valid_ops_mask = REGULATOR_CHANGE_CURRENT |
641 REGULATOR_CHANGE_STATUS,
642 },
643 .num_consumer_supplies = ARRAY_SIZE(bq24022_consumers),
644 .consumer_supplies = bq24022_consumers,
645 };
646
647 static struct gpio bq24022_gpios[] = {
648 { EGPIO_MAGICIAN_BQ24022_ISET2, GPIOF_OUT_INIT_LOW, "bq24022_iset2" },
649 };
650
651 static struct gpio_regulator_state bq24022_states[] = {
652 { .value = 100000, .gpios = (0 << 0) },
653 { .value = 500000, .gpios = (1 << 0) },
654 };
655
656 static struct gpio_regulator_config bq24022_info = {
657 .supply_name = "bq24022",
658
659 .enable_gpio = GPIO30_MAGICIAN_BQ24022_nCHARGE_EN,
660 .enable_high = 0,
661 .enabled_at_boot = 1,
662
663 .gpios = bq24022_gpios,
664 .nr_gpios = ARRAY_SIZE(bq24022_gpios),
665
666 .states = bq24022_states,
667 .nr_states = ARRAY_SIZE(bq24022_states),
668
669 .type = REGULATOR_CURRENT,
670 .init_data = &bq24022_init_data,
671 };
672
673 static struct platform_device bq24022 = {
674 .name = "gpio-regulator",
675 .id = -1,
676 .dev = {
677 .platform_data = &bq24022_info,
678 },
679 };
680
681 /*
682 * fixed regulator for ads7846
683 */
684
685 static struct regulator_consumer_supply ads7846_supply =
686 REGULATOR_SUPPLY("vcc", "spi2.0");
687
688 static struct regulator_init_data vads7846_regulator = {
689 .constraints = {
690 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
691 },
692 .num_consumer_supplies = 1,
693 .consumer_supplies = &ads7846_supply,
694 };
695
696 static struct fixed_voltage_config vads7846 = {
697 .supply_name = "vads7846",
698 .microvolts = 3300000, /* probably */
699 .gpio = -EINVAL,
700 .startup_delay = 0,
701 .init_data = &vads7846_regulator,
702 };
703
704 static struct platform_device vads7846_device = {
705 .name = "reg-fixed-voltage",
706 .id = -1,
707 .dev = {
708 .platform_data = &vads7846,
709 },
710 };
711
712 /*
713 * Vcore regulator MAX1587A
714 */
715
716 static struct regulator_consumer_supply magician_max1587a_consumers[] = {
717 REGULATOR_SUPPLY("vcc_core", NULL),
718 };
719
720 static struct regulator_init_data magician_max1587a_v3_info = {
721 .constraints = {
722 .name = "vcc_core range",
723 .min_uV = 700000,
724 .max_uV = 1475000,
725 .always_on = 1,
726 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
727 },
728 .consumer_supplies = magician_max1587a_consumers,
729 .num_consumer_supplies = ARRAY_SIZE(magician_max1587a_consumers),
730 };
731
732 static struct max1586_subdev_data magician_max1587a_subdevs[] = {
733 {
734 .name = "vcc_core",
735 .id = MAX1586_V3,
736 .platform_data = &magician_max1587a_v3_info,
737 }
738 };
739
740 static struct max1586_platform_data magician_max1587a_info = {
741 .subdevs = magician_max1587a_subdevs,
742 .num_subdevs = ARRAY_SIZE(magician_max1587a_subdevs),
743 /*
744 * NOTICE measured directly on the PCB (board_id == 0x3a), but
745 * if R24 is present, it will boost the voltage
746 * (write 1.475V, get 1.645V and smoke)
747 */
748 .v3_gain = MAX1586_GAIN_NO_R24,
749 };
750
751 static struct i2c_board_info magician_pwr_i2c_board_info[] __initdata = {
752 {
753 I2C_BOARD_INFO("max1586", 0x14),
754 .platform_data = &magician_max1587a_info,
755 },
756 };
757
758 /*
759 * MMC/SD
760 */
761
magician_mci_init(struct device * dev,irq_handler_t detect_irq,void * data)762 static int magician_mci_init(struct device *dev,
763 irq_handler_t detect_irq, void *data)
764 {
765 return request_irq(IRQ_MAGICIAN_SD, detect_irq, 0,
766 "mmc card detect", data);
767 }
768
magician_mci_exit(struct device * dev,void * data)769 static void magician_mci_exit(struct device *dev, void *data)
770 {
771 free_irq(IRQ_MAGICIAN_SD, data);
772 }
773
774 static struct pxamci_platform_data magician_mci_info = {
775 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
776 .init = magician_mci_init,
777 .exit = magician_mci_exit,
778 .gpio_card_detect = -1,
779 .gpio_card_ro = EGPIO_MAGICIAN_nSD_READONLY,
780 .gpio_card_ro_invert = 1,
781 .gpio_power = EGPIO_MAGICIAN_SD_POWER,
782 };
783
784
785 /*
786 * USB OHCI
787 */
788
789 static struct pxaohci_platform_data magician_ohci_info = {
790 .port_mode = PMM_PERPORT_MODE,
791 /* port1: CSR Bluetooth, port2: OTG with UDC */
792 .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
793 .power_budget = 0,
794 .power_on_delay = 100,
795 };
796
797 /*
798 * StrataFlash
799 */
800
magician_flash_init(struct platform_device * pdev)801 static int magician_flash_init(struct platform_device *pdev)
802 {
803 int ret = gpio_request(EGPIO_MAGICIAN_FLASH_VPP, "flash Vpp enable");
804
805 if (ret) {
806 pr_err("Cannot request flash enable GPIO (%i)\n", ret);
807 return ret;
808 }
809
810 ret = gpio_direction_output(EGPIO_MAGICIAN_FLASH_VPP, 1);
811 if (ret) {
812 pr_err("Cannot set direction for flash enable (%i)\n", ret);
813 gpio_free(EGPIO_MAGICIAN_FLASH_VPP);
814 }
815
816 return ret;
817 }
818
magician_set_vpp(struct platform_device * pdev,int vpp)819 static void magician_set_vpp(struct platform_device *pdev, int vpp)
820 {
821 gpio_set_value(EGPIO_MAGICIAN_FLASH_VPP, vpp);
822 }
823
magician_flash_exit(struct platform_device * pdev)824 static void magician_flash_exit(struct platform_device *pdev)
825 {
826 gpio_free(EGPIO_MAGICIAN_FLASH_VPP);
827 }
828
829 static struct resource strataflash_resource = {
830 .start = PXA_CS0_PHYS,
831 .end = PXA_CS0_PHYS + SZ_64M - 1,
832 .flags = IORESOURCE_MEM,
833 };
834
835 static struct mtd_partition magician_flash_parts[] = {
836 {
837 .name = "Bootloader",
838 .offset = 0x0,
839 .size = 0x40000,
840 .mask_flags = MTD_WRITEABLE, /* EXPERIMENTAL */
841 },
842 {
843 .name = "Linux Kernel",
844 .offset = 0x40000,
845 .size = MTDPART_SIZ_FULL,
846 },
847 };
848
849 /*
850 * physmap-flash driver
851 */
852
853 static struct physmap_flash_data strataflash_data = {
854 .width = 4,
855 .init = magician_flash_init,
856 .set_vpp = magician_set_vpp,
857 .exit = magician_flash_exit,
858 .parts = magician_flash_parts,
859 .nr_parts = ARRAY_SIZE(magician_flash_parts),
860 };
861
862 static struct platform_device strataflash = {
863 .name = "physmap-flash",
864 .id = -1,
865 .resource = &strataflash_resource,
866 .num_resources = 1,
867 .dev = {
868 .platform_data = &strataflash_data,
869 },
870 };
871
872 /*
873 * PXA I2C main controller
874 */
875
876 static struct i2c_pxa_platform_data i2c_info = {
877 /* OV9640 I2C device doesn't support fast mode */
878 .fast_mode = 0,
879 };
880
881 /*
882 * PXA I2C power controller
883 */
884
885 static struct i2c_pxa_platform_data magician_i2c_power_info = {
886 .fast_mode = 1,
887 };
888
889 /*
890 * Touchscreen
891 */
892
893 static struct ads7846_platform_data ads7846_pdata = {
894 .model = 7846,
895 .x_plate_ohms = 317,
896 .y_plate_ohms = 500,
897 .pressure_max = 1023, /* with x plate ohms it will overflow 255 */
898 .debounce_max = 3, /* first readout is always bad */
899 .debounce_tol = 30,
900 .debounce_rep = 0,
901 .gpio_pendown = GPIO115_MAGICIAN_nPEN_IRQ,
902 .keep_vref_on = 1,
903 .wakeup = true,
904 .vref_delay_usecs = 100,
905 .penirq_recheck_delay_usecs = 100,
906 };
907
908 struct pxa2xx_spi_chip tsc2046_chip_info = {
909 .tx_threshold = 1,
910 .rx_threshold = 2,
911 .timeout = 64,
912 /* NOTICE must be GPIO, incompatibility with hw PXA SPI framing */
913 .gpio_cs = GPIO14_MAGICIAN_TSC2046_CS,
914 };
915
916 static struct pxa2xx_spi_master magician_spi_info = {
917 .num_chipselect = 1,
918 .enable_dma = 1,
919 };
920
921 static struct spi_board_info ads7846_spi_board_info[] __initdata = {
922 {
923 .modalias = "ads7846",
924 .bus_num = 2,
925 .max_speed_hz = 2500000,
926 .platform_data = &ads7846_pdata,
927 .controller_data = &tsc2046_chip_info,
928 .irq = PXA_GPIO_TO_IRQ(GPIO115_MAGICIAN_nPEN_IRQ),
929 },
930 };
931
932 /*
933 * Platform devices
934 */
935
936 static struct platform_device *devices[] __initdata = {
937 &gpio_keys,
938 &egpio,
939 &backlight,
940 &pasic3,
941 &bq24022,
942 &gpio_vbus,
943 &power_supply,
944 &strataflash,
945 &leds_gpio,
946 &vads7846_device,
947 };
948
949 static struct gpio magician_global_gpios[] = {
950 { GPIO13_MAGICIAN_CPLD_IRQ, GPIOF_IN, "CPLD_IRQ" },
951 { GPIO107_MAGICIAN_DS1WM_IRQ, GPIOF_IN, "DS1WM_IRQ" },
952
953 /* NOTICE valid LCD init sequence */
954 { GPIO106_MAGICIAN_LCD_DCDC_NRESET, GPIOF_OUT_INIT_LOW, "LCD DCDC nreset" },
955 { GPIO104_MAGICIAN_LCD_VOFF_EN, GPIOF_OUT_INIT_LOW, "LCD VOFF enable" },
956 { GPIO105_MAGICIAN_LCD_VON_EN, GPIOF_OUT_INIT_LOW, "LCD VON enable" },
957 };
958
magician_init(void)959 static void __init magician_init(void)
960 {
961 void __iomem *cpld;
962 int lcd_select;
963 int err;
964
965 pxa2xx_mfp_config(ARRAY_AND_SIZE(magician_pin_config));
966 err = gpio_request_array(ARRAY_AND_SIZE(magician_global_gpios));
967 if (err)
968 pr_err("magician: Failed to request global GPIOs: %d\n", err);
969
970 pxa_set_ffuart_info(NULL);
971 pxa_set_btuart_info(NULL);
972
973 pwm_add_table(magician_pwm_lookup, ARRAY_SIZE(magician_pwm_lookup));
974
975 pxa_set_ficp_info(&magician_ficp_info);
976 pxa27x_set_i2c_power_info(&magician_i2c_power_info);
977 pxa_set_i2c_info(&i2c_info);
978
979 i2c_register_board_info(1,
980 ARRAY_AND_SIZE(magician_pwr_i2c_board_info));
981
982 pxa_set_mci_info(&magician_mci_info);
983 pxa_set_ohci_info(&magician_ohci_info);
984 pxa_set_udc_info(&magician_udc_info);
985
986 /* Check LCD type we have */
987 cpld = ioremap_nocache(PXA_CS3_PHYS, 0x1000);
988 if (cpld) {
989 u8 board_id = __raw_readb(cpld + 0x14);
990
991 iounmap(cpld);
992 system_rev = board_id & 0x7;
993 lcd_select = board_id & 0x8;
994 pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly");
995 if (lcd_select && (system_rev < 3))
996 /* NOTICE valid LCD init sequence */
997 gpio_request_one(GPIO75_MAGICIAN_SAMSUNG_POWER,
998 GPIOF_OUT_INIT_LOW, "Samsung LCD Power");
999 pxa_set_fb_info(NULL,
1000 lcd_select ? &samsung_info : &toppoly_info);
1001 } else
1002 pr_err("LCD detection: CPLD mapping failed\n");
1003
1004 pxa2xx_set_spi_info(2, &magician_spi_info);
1005 spi_register_board_info(ARRAY_AND_SIZE(ads7846_spi_board_info));
1006
1007 regulator_register_always_on(0, "power", pwm_backlight_supply,
1008 ARRAY_SIZE(pwm_backlight_supply), 5000000);
1009
1010 platform_add_devices(ARRAY_AND_SIZE(devices));
1011 }
1012
1013 MACHINE_START(MAGICIAN, "HTC Magician")
1014 .atag_offset = 0x100,
1015 .map_io = pxa27x_map_io,
1016 .nr_irqs = MAGICIAN_NR_IRQS,
1017 .init_irq = pxa27x_init_irq,
1018 .handle_irq = pxa27x_handle_irq,
1019 .init_machine = magician_init,
1020 .init_time = pxa_timer_init,
1021 .restart = pxa_restart,
1022 MACHINE_END
1023
