2 * Handles the Mitac Mio A701 Board
4 * Copyright (C) 2008 Robert Jarzmik
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include <linux/kernel.h>
23 #include <linux/init.h>
24 #include <linux/platform_device.h>
25 #include <linux/sysdev.h>
26 #include <linux/input.h>
27 #include <linux/delay.h>
28 #include <linux/gpio_keys.h>
29 #include <linux/pwm_backlight.h>
30 #include <linux/rtc.h>
31 #include <linux/leds.h>
32 #include <linux/gpio.h>
33 #include <linux/interrupt.h>
34 #include <linux/irq.h>
35 #include <linux/pda_power.h>
36 #include <linux/power_supply.h>
37 #include <linux/wm97xx.h>
38 #include <linux/mtd/physmap.h>
40 #include <asm/mach-types.h>
41 #include <asm/mach/arch.h>
42 #include <mach/mfp-pxa27x.h>
43 #include <mach/pxa27x_keypad.h>
44 #include <mach/pxafb.h>
45 #include <mach/pxa2xx-regs.h>
48 #include <mach/pxa27x-udc.h>
50 #include <mach/mioa701.h>
55 static unsigned long mioa701_pin_config[] = {
57 MIO_CFG_OUT(GPIO9_CHARGE_nEN, AF0, DRIVE_LOW),
58 MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
59 MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
60 MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
72 MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
73 MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
74 MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
77 MIO_CFG_IN(GPIO13_USB_DETECT, AF0),
78 MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
106 MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
109 MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
110 MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
111 MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
112 MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
113 MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
118 MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
119 MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
120 MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
121 MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
122 MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
123 MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
134 MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
137 MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
138 MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
139 MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
140 MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
141 MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
144 MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
145 MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
146 MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
155 MFP_CFG_IN(GPIO14, AF0),
156 MFP_CFG_IN(GPIO20, AF0),
157 MFP_CFG_IN(GPIO21, AF0),
158 MFP_CFG_IN(GPIO33, AF0),
159 MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
160 MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
161 MFP_CFG_OUT(GPIO77, AF0, DRIVE_HIGH),
162 MFP_CFG_IN(GPIO80, AF0),
163 MFP_CFG_OUT(GPIO86, AF0, DRIVE_HIGH),
164 MFP_CFG_IN(GPIO96, AF0),
165 MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
168 #define MIO_GPIO_IN(num, _desc) \
169 { .gpio = (num), .dir = 0, .desc = (_desc) }
170 #define MIO_GPIO_OUT(num, _init, _desc) \
171 { .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) }
179 static int mio_gpio_request(struct gpio_ress *gpios, int size)
185 for (i = 0; (!rc) && (i < size); i++) {
186 gpio = gpios[i].gpio;
188 rc = gpio_request(gpio, gpios[i].desc);
190 printk(KERN_ERR "Error requesting GPIO %d(%s) : %d\n",
191 gpio, gpios[i].desc, rc);
195 gpio_direction_output(gpio, gpios[i].init);
197 gpio_direction_input(gpio);
199 while ((rc) && (--i >= 0))
200 gpio_free(gpios[i].gpio);
204 static void mio_gpio_free(struct gpio_ress *gpios, int size)
208 for (i = 0; i < size; i++)
209 gpio_free(gpios[i].gpio);
212 /* LCD Screen and Backlight */
213 static struct platform_pwm_backlight_data mioa701_backlight_data = {
215 .max_brightness = 100,
216 .dft_brightness = 50,
217 .pwm_period_ns = 4000 * 1024, /* Fl = 250kHz */
221 * LTM0305A776C LCD panel timings
224 * - the LTM0305A776C datasheet,
225 * - and the PXA27x Programmers' manual
227 static struct pxafb_mode_info mioa701_ltm0305a776c = {
228 .pixclock = 220000, /* CLK=4.545 MHz */
240 static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
242 gpio_set_value(GPIO87_LCD_POWER, on);
245 static struct pxafb_mach_info mioa701_pxafb_info = {
246 .modes = &mioa701_ltm0305a776c,
248 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
249 .pxafb_lcd_power = mioa701_lcd_power,
253 * Keyboard configuration
255 static unsigned int mioa701_matrix_keys[] = {
257 KEY(0, 1, KEY_RIGHT),
258 KEY(0, 2, KEY_MEDIA),
260 KEY(1, 1, KEY_ENTER),
261 KEY(1, 2, KEY_CONNECT), /* GPS key */
263 KEY(2, 1, KEY_PHONE), /* Phone Green key */
264 KEY(2, 2, KEY_CAMERA) /* Camera key */
266 static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
267 .matrix_key_rows = 3,
268 .matrix_key_cols = 3,
269 .matrix_key_map = mioa701_matrix_keys,
270 .matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys),
274 * GPIO Key Configuration
276 #define MIO_KEY(key, _gpio, _desc, _wakeup) \
277 { .code = (key), .gpio = (_gpio), .active_low = 0, \
278 .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
279 static struct gpio_keys_button mioa701_button_table[] = {
280 MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
281 MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
282 MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
283 MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
286 static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
287 .buttons = mioa701_button_table,
288 .nbuttons = ARRAY_SIZE(mioa701_button_table),
294 #define ONE_LED(_gpio, _name) \
295 { .gpio = (_gpio), .name = (_name), .active_low = true }
296 static struct gpio_led gpio_leds[] = {
297 ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
298 ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
299 ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
300 ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
301 ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
304 static struct gpio_led_platform_data gpio_led_info = {
306 .num_leds = ARRAY_SIZE(gpio_leds),
310 * GSM Sagem XS200 chip
312 * GSM handling was purged from kernel. For history, this is the way to go :
313 * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
314 * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
315 * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
316 * GPIO24_GSM_MOD_RESET_CMD = 0
317 * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
318 * GPIO88_GSM_nMOD_ON_CMD = 1
319 * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
320 * GPIO90_GSM_nMOD_OFF_CMD = 1
322 static int is_gsm_on(void)
326 is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
330 irqreturn_t gsm_on_irq(int irq, void *p)
332 printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
333 is_gsm_on() ? "on" : "off");
337 struct gpio_ress gsm_gpios[] = {
338 MIO_GPIO_IN(GPIO25_GSM_MOD_ON_STATE, "GSM state"),
339 MIO_GPIO_IN(GPIO113_GSM_EVENT, "GSM event"),
342 static int __init gsm_init(void)
346 rc = mio_gpio_request(ARRAY_AND_SIZE(gsm_gpios));
349 rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
350 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
351 "GSM XS200 Power Irq", NULL);
355 gpio_set_wake(GPIO113_GSM_EVENT, 1);
359 printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
360 mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios));
362 printk(KERN_ERR "Mioa701: gsm not available\n");
366 static void gsm_exit(void)
368 free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
369 mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios));
373 * Bluetooth BRF6150 chip
375 * BT handling was purged from kernel. For history, this is the way to go :
376 * - turn on : GPIO83_BT_ON = 1
377 * - turn off : GPIO83_BT_ON = 0
381 * GPS Sirf Star III chip
383 * GPS handling was purged from kernel. For history, this is the way to go :
384 * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
385 * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
386 * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
387 * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
393 static void udc_power_command(int cmd)
396 case PXA2XX_UDC_CMD_DISCONNECT:
397 gpio_set_value(GPIO22_USB_ENABLE, 0);
399 case PXA2XX_UDC_CMD_CONNECT:
400 gpio_set_value(GPIO22_USB_ENABLE, 1);
403 printk(KERN_INFO "udc_control: unknown command (0x%x)!\n", cmd);
408 static int is_usb_connected(void)
410 return !!gpio_get_value(GPIO13_USB_DETECT);
413 static struct pxa2xx_udc_mach_info mioa701_udc_info = {
414 .udc_is_connected = is_usb_connected,
415 .udc_command = udc_power_command,
418 struct gpio_ress udc_gpios[] = {
419 MIO_GPIO_OUT(GPIO22_USB_ENABLE, 0, "USB Vbus enable")
422 static int __init udc_init(void)
424 pxa_set_udc_info(&mioa701_udc_info);
425 return mio_gpio_request(ARRAY_AND_SIZE(udc_gpios));
428 static void udc_exit(void)
430 mio_gpio_free(ARRAY_AND_SIZE(udc_gpios));
434 * SDIO/MMC Card controller
436 static void mci_setpower(struct device *dev, unsigned int vdd)
438 struct pxamci_platform_data *p_d = dev->platform_data;
440 if ((1 << vdd) & p_d->ocr_mask)
441 gpio_set_value(GPIO91_SDIO_EN, 1); /* enable SDIO power */
443 gpio_set_value(GPIO91_SDIO_EN, 0); /* disable SDIO power */
446 static int mci_get_ro(struct device *dev)
448 return gpio_get_value(GPIO78_SDIO_RO);
451 struct gpio_ress mci_gpios[] = {
452 MIO_GPIO_IN(GPIO78_SDIO_RO, "SDIO readonly detect"),
453 MIO_GPIO_IN(GPIO15_SDIO_INSERT, "SDIO insertion detect"),
454 MIO_GPIO_OUT(GPIO91_SDIO_EN, 0, "SDIO power enable")
457 static void mci_exit(struct device *dev, void *data)
459 mio_gpio_free(ARRAY_AND_SIZE(mci_gpios));
460 free_irq(gpio_to_irq(GPIO15_SDIO_INSERT), data);
463 static struct pxamci_platform_data mioa701_mci_info;
466 * The card detect interrupt isn't debounced so we delay it by 250ms
467 * to give the card a chance to fully insert/eject.
469 static int mci_init(struct device *dev, irq_handler_t detect_int, void *data)
472 int irq = gpio_to_irq(GPIO15_SDIO_INSERT);
474 rc = mio_gpio_request(ARRAY_AND_SIZE(mci_gpios));
477 /* enable RE/FE interrupt on card insertion and removal */
478 rc = request_irq(irq, detect_int,
479 IRQF_DISABLED | IRQF_TRIGGER_RISING |
480 IRQF_TRIGGER_FALLING,
481 "MMC card detect", data);
485 mioa701_mci_info.detect_delay = msecs_to_jiffies(250);
489 dev_err(dev, "mioa701_mci_init: MMC/SD:"
490 " can't request MMC card detect IRQ\n");
491 mio_gpio_free(ARRAY_AND_SIZE(mci_gpios));
496 static struct pxamci_platform_data mioa701_mci_info = {
497 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
499 .get_ro = mci_get_ro,
500 .setpower = mci_setpower,
505 static struct resource strataflash_resource = {
506 .start = PXA_CS0_PHYS,
507 .end = PXA_CS0_PHYS + SZ_64M - 1,
508 .flags = IORESOURCE_MEM,
511 static struct physmap_flash_data strataflash_data = {
513 /* .set_vpp = mioa701_set_vpp, */
516 static struct platform_device strataflash = {
517 .name = "physmap-flash",
519 .resource = &strataflash_resource,
522 .platform_data = &strataflash_data,
527 * Suspend/Resume bootstrap management
529 * MIO A701 reboot sequence is highly ROM dependant. From the one dissassembled,
530 * this sequence is as follows :
531 * - disables interrupts
532 * - initialize SDRAM (self refresh RAM into active RAM)
533 * - initialize GPIOs (depends on value at 0xa020b020)
534 * - initialize coprossessors
535 * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
536 * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
537 * - else do a resume, ie. jump to addr 0xa0100000
539 #define RESUME_ENABLE_ADDR 0xa020b000
540 #define RESUME_ENABLE_VAL 0x0f0f0f0f
541 #define RESUME_BT_ADDR 0xa020b020
542 #define RESUME_UNKNOWN_ADDR 0xa020b024
543 #define RESUME_VECTOR_ADDR 0xa0100000
544 #define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
546 static u32 *save_buffer;
548 static void install_bootstrap(void)
551 u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
552 u32 *src = &mioa701_bootstrap;
554 for (i = 0; i < BOOTSTRAP_WORDS; i++)
555 rom_bootstrap[i] = src[i];
559 static int mioa701_sys_suspend(struct sys_device *sysdev, pm_message_t state)
562 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
563 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
564 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
565 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
567 /* Devices prepare suspend */
568 is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
569 pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
570 is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
572 for (i = 0; i < BOOTSTRAP_WORDS; i++)
573 save_buffer[i] = mem_resume_vector[i];
574 save_buffer[i++] = *mem_resume_enabler;
575 save_buffer[i++] = *mem_resume_bt;
576 save_buffer[i++] = *mem_resume_unknown;
578 *mem_resume_enabler = RESUME_ENABLE_VAL;
579 *mem_resume_bt = is_bt_on;
585 static int mioa701_sys_resume(struct sys_device *sysdev)
588 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
589 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
590 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
591 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
593 for (i = 0; i < BOOTSTRAP_WORDS; i++)
594 mem_resume_vector[i] = save_buffer[i];
595 *mem_resume_enabler = save_buffer[i++];
596 *mem_resume_bt = save_buffer[i++];
597 *mem_resume_unknown = save_buffer[i++];
602 static struct sysdev_class mioa701_sysclass = {
606 static struct sys_device sysdev_bootstrap = {
607 .cls = &mioa701_sysclass,
610 static struct sysdev_driver driver_bootstrap = {
611 .suspend = &mioa701_sys_suspend,
612 .resume = &mioa701_sys_resume,
615 static int __init bootstrap_init(void)
618 int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
620 rc = sysdev_class_register(&mioa701_sysclass);
622 printk(KERN_ERR "Failed registering mioa701 sys class\n");
625 rc = sysdev_register(&sysdev_bootstrap);
627 printk(KERN_ERR "Failed registering mioa701 sys device\n");
630 rc = sysdev_driver_register(&mioa701_sysclass, &driver_bootstrap);
632 printk(KERN_ERR "Failed registering PMU sys driver\n");
636 save_buffer = kmalloc(save_size, GFP_KERNEL);
639 printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
644 static void bootstrap_exit(void)
647 sysdev_driver_unregister(&mioa701_sysclass, &driver_bootstrap);
648 sysdev_unregister(&sysdev_bootstrap);
649 sysdev_class_unregister(&mioa701_sysclass);
651 printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
658 static char *supplicants[] = {
662 static void mioa701_set_charge(int flags)
664 gpio_set_value(GPIO9_CHARGE_nEN, !flags);
667 static struct pda_power_pdata power_pdata = {
668 .is_ac_online = is_usb_connected,
669 .set_charge = mioa701_set_charge,
670 .supplied_to = supplicants,
671 .num_supplicants = ARRAY_SIZE(supplicants),
674 static struct resource power_resources[] = {
677 .start = gpio_to_irq(GPIO13_USB_DETECT),
678 .end = gpio_to_irq(GPIO13_USB_DETECT),
679 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
680 IORESOURCE_IRQ_LOWEDGE,
684 static struct platform_device power_dev = {
687 .resource = power_resources,
688 .num_resources = ARRAY_SIZE(power_resources),
690 .platform_data = &power_pdata,
694 #if defined(CONFIG_PDA_POWER) && defined(CONFIG_TOUCHSCREEN_WM97XX)
695 static struct wm97xx *battery_wm;
697 static enum power_supply_property battery_props[] = {
698 POWER_SUPPLY_PROP_STATUS,
699 POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
700 POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
701 POWER_SUPPLY_PROP_VOLTAGE_NOW,
702 POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, /* Necessary for apm */
705 static int get_battery_voltage(void)
710 adc = wm97xx_read_aux_adc(battery_wm, WM97XX_AUX_ID1);
714 static int get_battery_status(struct power_supply *b)
718 if (is_usb_connected())
719 status = POWER_SUPPLY_STATUS_CHARGING;
721 status = POWER_SUPPLY_STATUS_DISCHARGING;
726 static int get_property(struct power_supply *b,
727 enum power_supply_property psp,
728 union power_supply_propval *val)
733 case POWER_SUPPLY_PROP_STATUS:
734 val->intval = get_battery_status(b);
736 case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
739 case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
742 case POWER_SUPPLY_PROP_VOLTAGE_NOW:
743 val->intval = get_battery_voltage();
745 case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
756 static struct power_supply battery_ps = {
757 .name = "mioa701_battery",
758 .type = POWER_SUPPLY_TYPE_BATTERY,
759 .get_property = get_property,
760 .properties = battery_props,
761 .num_properties = ARRAY_SIZE(battery_props),
764 static int battery_probe(struct platform_device *pdev)
766 struct wm97xx *wm = platform_get_drvdata(pdev);
771 rc = power_supply_register(NULL, &battery_ps);
774 "Could not register mioa701 battery -> %d\n", rc);
778 static int battery_remove(struct platform_device *pdev)
784 static struct platform_driver mioa701_battery_driver = {
786 .name = "wm97xx-battery",
788 .probe = battery_probe,
789 .remove = battery_remove
792 static int __init mioa701_battery_init(void)
796 rc = platform_driver_register(&mioa701_battery_driver);
798 printk(KERN_ERR "Could not register mioa701 battery driver\n");
803 static int __init mioa701_battery_init(void)
814 #define MIO_PARENT_DEV(var, strname, tparent, pdata) \
815 static struct platform_device var = { \
819 .platform_data = pdata, \
823 #define MIO_SIMPLE_DEV(var, strname, pdata) \
824 MIO_PARENT_DEV(var, strname, NULL, pdata)
826 MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data)
827 MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev,
828 &mioa701_backlight_data);
829 MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info)
830 MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL)
831 MIO_SIMPLE_DEV(pxa2xx_ac97, "pxa2xx-ac97", NULL)
832 MIO_PARENT_DEV(mio_wm9713_codec, "wm9713-codec", &pxa2xx_ac97.dev, NULL)
833 MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL)
834 MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL)
836 static struct platform_device *devices[] __initdata = {
849 static void mioa701_machine_exit(void);
851 static void mioa701_poweroff(void)
853 mioa701_machine_exit();
854 gpio_set_value(GPIO18_POWEROFF, 1);
857 static void mioa701_restart(char c)
859 mioa701_machine_exit();
860 arm_machine_restart(c);
863 struct gpio_ress global_gpios[] = {
864 MIO_GPIO_OUT(GPIO9_CHARGE_nEN, 1, "Charger enable"),
865 MIO_GPIO_OUT(GPIO18_POWEROFF, 0, "Power Off"),
866 MIO_GPIO_OUT(GPIO87_LCD_POWER, 0, "LCD Power")
869 static void __init mioa701_machine_init(void)
871 PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
872 PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
873 RTTR = 32768 - 1; /* Reset crazy WinCE value */
874 UP2OCR = UP2OCR_HXOE;
876 pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
877 mio_gpio_request(ARRAY_AND_SIZE(global_gpios));
879 set_pxa_fb_info(&mioa701_pxafb_info);
880 pxa_set_mci_info(&mioa701_mci_info);
881 pxa_set_keypad_info(&mioa701_keypad_info);
883 pm_power_off = mioa701_poweroff;
884 arm_pm_restart = mioa701_restart;
885 platform_add_devices(devices, ARRAY_SIZE(devices));
887 mioa701_battery_init();
890 static void mioa701_machine_exit(void)
897 MACHINE_START(MIOA701, "MIO A701")
898 .phys_io = 0x40000000,
899 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
900 .boot_params = 0xa0000100,
901 .map_io = &pxa_map_io,
902 .init_irq = &pxa27x_init_irq,
903 .init_machine = mioa701_machine_init,