mm: hugetlb: fix hugepage memory leak caused by wrong reserve count
[linux/fpc-iii.git] / arch / arm / mach-pxa / magician.c
blob896b268c3ab76a70e13c5702fd92df5f9134e0ac
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.
6 * Copyright (c) 2006-2007 Philipp Zabel
8 * Based on hx4700.c, spitz.c and others.
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.
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-egpio.h>
24 #include <linux/mfd/htc-pasic3.h>
25 #include <linux/mtd/physmap.h>
26 #include <linux/pda_power.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/i2c/pxa-i2c.h>
36 #include <mach/hardware.h>
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/system_info.h>
41 #include <mach/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>
48 #include <linux/regulator/max1586.h>
50 #include <linux/platform_data/pxa2xx_udc.h>
51 #include <mach/udc.h>
52 #include <mach/pxa27x-udc.h>
54 #include "devices.h"
55 #include "generic.h"
57 static unsigned long magician_pin_config[] __initdata = {
59 /* SDRAM and Static Memory I/O Signals */
60 GPIO20_nSDCS_2,
61 GPIO21_nSDCS_3,
62 GPIO15_nCS_1,
63 GPIO78_nCS_2, /* PASIC3 */
64 GPIO79_nCS_3, /* EGPIO CPLD */
65 GPIO80_nCS_4,
66 GPIO33_nCS_5,
68 /* I2C UDA1380 + OV9640 */
69 GPIO117_I2C_SCL,
70 GPIO118_I2C_SDA,
72 /* PWM 0 - LCD backlight */
73 GPIO16_PWM0_OUT,
75 /* I2S UDA1380 capture */
76 GPIO28_I2S_BITCLK_OUT,
77 GPIO29_I2S_SDATA_IN,
78 GPIO31_I2S_SYNC,
79 GPIO113_I2S_SYSCLK,
81 /* SSP 1 UDA1380 playback */
82 GPIO23_SSP1_SCLK,
83 GPIO24_SSP1_SFRM,
84 GPIO25_SSP1_TXD,
86 /* SSP 2 TSC2046 touchscreen */
87 GPIO19_SSP2_SCLK,
88 GPIO14_SSP2_SFRM,
89 GPIO89_SSP2_TXD,
90 GPIO88_SSP2_RXD,
92 /* MMC/SD/SDHC slot */
93 GPIO32_MMC_CLK,
94 GPIO92_MMC_DAT_0,
95 GPIO109_MMC_DAT_1,
96 GPIO110_MMC_DAT_2,
97 GPIO111_MMC_DAT_3,
98 GPIO112_MMC_CMD,
100 /* LCD */
101 GPIOxx_LCD_TFT_16BPP,
103 /* QCI camera interface */
104 GPIO12_CIF_DD_7,
105 GPIO17_CIF_DD_6,
106 GPIO50_CIF_DD_3,
107 GPIO51_CIF_DD_2,
108 GPIO52_CIF_DD_4,
109 GPIO53_CIF_MCLK,
110 GPIO54_CIF_PCLK,
111 GPIO55_CIF_DD_1,
112 GPIO81_CIF_DD_0,
113 GPIO82_CIF_DD_5,
114 GPIO84_CIF_FV,
115 GPIO85_CIF_LV,
117 /* Magician specific input GPIOs */
118 GPIO9_GPIO, /* unknown */
119 GPIO10_GPIO, /* GSM_IRQ */
120 GPIO13_GPIO, /* CPLD_IRQ */
121 GPIO107_GPIO, /* DS1WM_IRQ */
122 GPIO108_GPIO, /* GSM_READY */
123 GPIO115_GPIO, /* nPEN_IRQ */
125 /* I2C */
126 GPIO117_I2C_SCL,
127 GPIO118_I2C_SDA,
131 * IrDA
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,
141 * GPIO Keys
144 #define INIT_KEY(_code, _gpio, _desc) \
146 .code = KEY_##_code, \
147 .gpio = _gpio, \
148 .desc = _desc, \
149 .type = EV_KEY, \
150 .wakeup = 1, \
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"),
171 static struct gpio_keys_platform_data gpio_keys_data = {
172 .buttons = magician_button_table,
173 .nbuttons = ARRAY_SIZE(magician_button_table),
176 static struct platform_device gpio_keys = {
177 .name = "gpio-keys",
178 .dev = {
179 .platform_data = &gpio_keys_data,
181 .id = -1,
185 * EGPIO (Xilinx CPLD)
187 * 32-bit aligned 8-bit registers
188 * 16 possible registers (reg windows size), only 7 used:
189 * 3x output, 1x irq, 3x input
192 static struct resource egpio_resources[] = {
193 [0] = {
194 .start = PXA_CS3_PHYS,
195 .end = PXA_CS3_PHYS + 0x20 - 1,
196 .flags = IORESOURCE_MEM,
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,
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,
212 * Depends on modules configuration
214 .initial_values = 0x40, /* EGPIO_MAGICIAN_GSM_RESET */
216 [1] = {
217 .reg_start = 4,
218 .gpio_base = MAGICIAN_EGPIO(4, 0),
219 .num_gpios = 24,
220 .direction = HTC_EGPIO_INPUT,
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),
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,
245 * PXAFB LCD - Toppoly TD028STEB1 or Samsung LTP280QV
248 static struct pxafb_mode_info toppoly_modes[] = {
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,
264 static struct pxafb_mode_info samsung_modes[] = {
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,
280 static void toppoly_lcd_power(int on, struct fb_var_screeninfo *si)
282 pr_debug("Toppoly LCD power: %s\n", on ? "on" : "off");
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);
306 static void samsung_lcd_power(int on, struct fb_var_screeninfo *si)
308 pr_debug("Samsung LCD power: %s\n", on ? "on" : "off");
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);
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,
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,
353 * Backlight
356 static struct pwm_lookup magician_pwm_lookup[] = {
357 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 30923,
358 PWM_POLARITY_NORMAL),
362 * fixed regulator for pwm_backlight
365 static struct regulator_consumer_supply pwm_backlight_supply[] = {
366 REGULATOR_SUPPLY("power", "pwm_backlight"),
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" },
375 static int magician_backlight_init(struct device *dev)
377 return gpio_request_array(ARRAY_AND_SIZE(magician_bl_gpios));
380 static int magician_backlight_notify(struct device *dev, int brightness)
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;
393 static void magician_backlight_exit(struct device *dev)
395 gpio_free_array(ARRAY_AND_SIZE(magician_bl_gpios));
399 * LCD PWM backlight (main)
401 * MP1521 frequency should be:
402 * 100-400 Hz = 2 .5*10^6 - 10 *10^6 ns
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,
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,
424 * GPIO LEDs, Phone keys backlight, vibra
427 static struct gpio_led gpio_leds[] = {
429 .name = "magician::vibra",
430 .default_trigger = "none",
431 .gpio = GPIO22_MAGICIAN_VIBRA_EN,
434 .name = "magician::phone_bl",
435 .default_trigger = "backlight",
436 .gpio = GPIO103_MAGICIAN_LED_KP,
440 static struct gpio_led_platform_data gpio_led_info = {
441 .leds = gpio_leds,
442 .num_leds = ARRAY_SIZE(gpio_leds),
445 static struct platform_device leds_gpio = {
446 .name = "leds-gpio",
447 .id = -1,
448 .dev = {
449 .platform_data = &gpio_led_info,
454 * PASIC3 with DS1WM
457 static struct resource pasic3_resources[] = {
458 [0] = {
459 .start = PXA_CS2_PHYS,
460 .end = PXA_CS2_PHYS + 0x1b,
461 .flags = IORESOURCE_MEM,
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,
471 static struct pasic3_platform_data pasic3_platform_data = {
472 .clock_rate = 4000000,
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,
486 * PXA UDC
489 static void magician_udc_command(int cmd)
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);
497 static struct pxa2xx_udc_mach_info magician_udc_info __initdata = {
498 .udc_command = magician_udc_command,
499 .gpio_pullup = GPIO27_MAGICIAN_USBC_PUEN,
503 * USB device VBus detection
506 static struct resource gpio_vbus_resource = {
507 .flags = IORESOURCE_IRQ,
508 .start = IRQ_MAGICIAN_VBUS,
509 .end = IRQ_MAGICIAN_VBUS,
512 static struct gpio_vbus_mach_info gpio_vbus_info = {
513 .gpio_pullup = GPIO27_MAGICIAN_USBC_PUEN,
514 .gpio_vbus = EGPIO_MAGICIAN_CABLE_VBUS,
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,
528 * External power
531 static int magician_supply_init(struct device *dev)
533 int ret = -1;
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;
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;
547 return 0;
549 err_usb:
550 gpio_free(EGPIO_MAGICIAN_CABLE_TYPE);
551 err_ac:
552 return ret;
555 static void magician_set_charge(int flags)
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);
569 static int magician_is_ac_online(void)
571 return gpio_get_value(EGPIO_MAGICIAN_CABLE_INSERTED) &&
572 gpio_get_value(EGPIO_MAGICIAN_CABLE_TYPE); /* AC=1 */
575 static int magician_is_usb_online(void)
577 return gpio_get_value(EGPIO_MAGICIAN_CABLE_INSERTED) &&
578 (!gpio_get_value(EGPIO_MAGICIAN_CABLE_TYPE)); /* USB=0 */
581 static void magician_supply_exit(struct device *dev)
583 gpio_free(EGPIO_MAGICIAN_CABLE_INSERTED);
584 gpio_free(EGPIO_MAGICIAN_CABLE_TYPE);
587 static char *magician_supplicants[] = {
588 "ds2760-battery.0", "backup-battery"
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),
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,
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,
618 static struct platform_device power_supply = {
619 .name = "pda-power",
620 .id = -1,
621 .dev = {
622 .platform_data = &power_supply_info,
624 .resource = power_supply_resources,
625 .num_resources = ARRAY_SIZE(power_supply_resources),
629 * Battery charger
632 static struct regulator_consumer_supply bq24022_consumers[] = {
633 REGULATOR_SUPPLY("vbus_draw", NULL),
634 REGULATOR_SUPPLY("ac_draw", NULL),
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,
643 .num_consumer_supplies = ARRAY_SIZE(bq24022_consumers),
644 .consumer_supplies = bq24022_consumers,
647 static struct gpio bq24022_gpios[] = {
648 { EGPIO_MAGICIAN_BQ24022_ISET2, GPIOF_OUT_INIT_LOW, "bq24022_iset2" },
651 static struct gpio_regulator_state bq24022_states[] = {
652 { .value = 100000, .gpios = (0 << 0) },
653 { .value = 500000, .gpios = (1 << 0) },
656 static struct gpio_regulator_config bq24022_info = {
657 .supply_name = "bq24022",
659 .enable_gpio = GPIO30_MAGICIAN_BQ24022_nCHARGE_EN,
660 .enable_high = 0,
661 .enabled_at_boot = 1,
663 .gpios = bq24022_gpios,
664 .nr_gpios = ARRAY_SIZE(bq24022_gpios),
666 .states = bq24022_states,
667 .nr_states = ARRAY_SIZE(bq24022_states),
669 .type = REGULATOR_CURRENT,
670 .init_data = &bq24022_init_data,
673 static struct platform_device bq24022 = {
674 .name = "gpio-regulator",
675 .id = -1,
676 .dev = {
677 .platform_data = &bq24022_info,
682 * Vcore regulator MAX1587A
685 static struct regulator_consumer_supply magician_max1587a_consumers[] = {
686 REGULATOR_SUPPLY("vcc_core", NULL),
689 static struct regulator_init_data magician_max1587a_v3_info = {
690 .constraints = {
691 .name = "vcc_core range",
692 .min_uV = 700000,
693 .max_uV = 1475000,
694 .always_on = 1,
695 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
697 .consumer_supplies = magician_max1587a_consumers,
698 .num_consumer_supplies = ARRAY_SIZE(magician_max1587a_consumers),
701 static struct max1586_subdev_data magician_max1587a_subdevs[] = {
703 .name = "vcc_core",
704 .id = MAX1586_V3,
705 .platform_data = &magician_max1587a_v3_info,
709 static struct max1586_platform_data magician_max1587a_info = {
710 .subdevs = magician_max1587a_subdevs,
711 .num_subdevs = ARRAY_SIZE(magician_max1587a_subdevs),
713 * NOTICE measured directly on the PCB (board_id == 0x3a), but
714 * if R24 is present, it will boost the voltage
715 * (write 1.475V, get 1.645V and smoke)
717 .v3_gain = MAX1586_GAIN_NO_R24,
720 static struct i2c_board_info magician_pwr_i2c_board_info[] __initdata = {
722 I2C_BOARD_INFO("max1586", 0x14),
723 .platform_data = &magician_max1587a_info,
728 * MMC/SD
731 static int magician_mci_init(struct device *dev,
732 irq_handler_t detect_irq, void *data)
734 return request_irq(IRQ_MAGICIAN_SD, detect_irq, 0,
735 "mmc card detect", data);
738 static void magician_mci_exit(struct device *dev, void *data)
740 free_irq(IRQ_MAGICIAN_SD, data);
743 static struct pxamci_platform_data magician_mci_info = {
744 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
745 .init = magician_mci_init,
746 .exit = magician_mci_exit,
747 .gpio_card_detect = -1,
748 .gpio_card_ro = EGPIO_MAGICIAN_nSD_READONLY,
749 .gpio_card_ro_invert = 1,
750 .gpio_power = EGPIO_MAGICIAN_SD_POWER,
755 * USB OHCI
758 static struct pxaohci_platform_data magician_ohci_info = {
759 .port_mode = PMM_PERPORT_MODE,
760 /* port1: CSR Bluetooth, port2: OTG with UDC */
761 .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
762 .power_budget = 0,
763 .power_on_delay = 100,
767 * StrataFlash
770 static int magician_flash_init(struct platform_device *pdev)
772 int ret = gpio_request(EGPIO_MAGICIAN_FLASH_VPP, "flash Vpp enable");
774 if (ret) {
775 pr_err("Cannot request flash enable GPIO (%i)\n", ret);
776 return ret;
779 ret = gpio_direction_output(EGPIO_MAGICIAN_FLASH_VPP, 1);
780 if (ret) {
781 pr_err("Cannot set direction for flash enable (%i)\n", ret);
782 gpio_free(EGPIO_MAGICIAN_FLASH_VPP);
785 return ret;
788 static void magician_set_vpp(struct platform_device *pdev, int vpp)
790 gpio_set_value(EGPIO_MAGICIAN_FLASH_VPP, vpp);
793 static void magician_flash_exit(struct platform_device *pdev)
795 gpio_free(EGPIO_MAGICIAN_FLASH_VPP);
798 static struct resource strataflash_resource = {
799 .start = PXA_CS0_PHYS,
800 .end = PXA_CS0_PHYS + SZ_64M - 1,
801 .flags = IORESOURCE_MEM,
804 static struct mtd_partition magician_flash_parts[] = {
806 .name = "Bootloader",
807 .offset = 0x0,
808 .size = 0x40000,
809 .mask_flags = MTD_WRITEABLE, /* EXPERIMENTAL */
812 .name = "Linux Kernel",
813 .offset = 0x40000,
814 .size = MTDPART_SIZ_FULL,
819 * physmap-flash driver
822 static struct physmap_flash_data strataflash_data = {
823 .width = 4,
824 .init = magician_flash_init,
825 .set_vpp = magician_set_vpp,
826 .exit = magician_flash_exit,
827 .parts = magician_flash_parts,
828 .nr_parts = ARRAY_SIZE(magician_flash_parts),
831 static struct platform_device strataflash = {
832 .name = "physmap-flash",
833 .id = -1,
834 .resource = &strataflash_resource,
835 .num_resources = 1,
836 .dev = {
837 .platform_data = &strataflash_data,
842 * PXA I2C main controller
845 static struct i2c_pxa_platform_data i2c_info = {
846 /* OV9640 I2C device doesn't support fast mode */
847 .fast_mode = 0,
851 * PXA I2C power controller
854 static struct i2c_pxa_platform_data magician_i2c_power_info = {
855 .fast_mode = 1,
859 * Platform devices
862 static struct platform_device *devices[] __initdata = {
863 &gpio_keys,
864 &egpio,
865 &backlight,
866 &pasic3,
867 &bq24022,
868 &gpio_vbus,
869 &power_supply,
870 &strataflash,
871 &leds_gpio,
874 static struct gpio magician_global_gpios[] = {
875 { GPIO13_MAGICIAN_CPLD_IRQ, GPIOF_IN, "CPLD_IRQ" },
876 { GPIO107_MAGICIAN_DS1WM_IRQ, GPIOF_IN, "DS1WM_IRQ" },
878 /* NOTICE valid LCD init sequence */
879 { GPIO106_MAGICIAN_LCD_DCDC_NRESET, GPIOF_OUT_INIT_LOW, "LCD DCDC nreset" },
880 { GPIO104_MAGICIAN_LCD_VOFF_EN, GPIOF_OUT_INIT_LOW, "LCD VOFF enable" },
881 { GPIO105_MAGICIAN_LCD_VON_EN, GPIOF_OUT_INIT_LOW, "LCD VON enable" },
884 static void __init magician_init(void)
886 void __iomem *cpld;
887 int lcd_select;
888 int err;
890 pxa2xx_mfp_config(ARRAY_AND_SIZE(magician_pin_config));
891 err = gpio_request_array(ARRAY_AND_SIZE(magician_global_gpios));
892 if (err)
893 pr_err("magician: Failed to request global GPIOs: %d\n", err);
895 pxa_set_ffuart_info(NULL);
896 pxa_set_btuart_info(NULL);
898 pwm_add_table(magician_pwm_lookup, ARRAY_SIZE(magician_pwm_lookup));
900 pxa_set_ficp_info(&magician_ficp_info);
901 pxa27x_set_i2c_power_info(&magician_i2c_power_info);
902 pxa_set_i2c_info(&i2c_info);
904 i2c_register_board_info(1,
905 ARRAY_AND_SIZE(magician_pwr_i2c_board_info));
907 pxa_set_mci_info(&magician_mci_info);
908 pxa_set_ohci_info(&magician_ohci_info);
909 pxa_set_udc_info(&magician_udc_info);
911 /* Check LCD type we have */
912 cpld = ioremap_nocache(PXA_CS3_PHYS, 0x1000);
913 if (cpld) {
914 u8 board_id = __raw_readb(cpld + 0x14);
916 iounmap(cpld);
917 system_rev = board_id & 0x7;
918 lcd_select = board_id & 0x8;
919 pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly");
920 if (lcd_select && (system_rev < 3))
921 /* NOTICE valid LCD init sequence */
922 gpio_request_one(GPIO75_MAGICIAN_SAMSUNG_POWER,
923 GPIOF_OUT_INIT_LOW, "Samsung LCD Power");
924 pxa_set_fb_info(NULL,
925 lcd_select ? &samsung_info : &toppoly_info);
926 } else
927 pr_err("LCD detection: CPLD mapping failed\n");
929 regulator_register_always_on(0, "power", pwm_backlight_supply,
930 ARRAY_SIZE(pwm_backlight_supply), 5000000);
932 platform_add_devices(ARRAY_AND_SIZE(devices));
935 MACHINE_START(MAGICIAN, "HTC Magician")
936 .atag_offset = 0x100,
937 .map_io = pxa27x_map_io,
938 .nr_irqs = MAGICIAN_NR_IRQS,
939 .init_irq = pxa27x_init_irq,
940 .handle_irq = pxa27x_handle_irq,
941 .init_machine = magician_init,
942 .init_time = pxa_timer_init,
943 .restart = pxa_restart,
944 MACHINE_END