1 /*
2  * Handles the Mitac Mio A701 Board
3  *
4  * Copyright (C) 2008 Robert Jarzmik
5  *
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.
10  *
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.
15  *
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
19  *
20  */
21 
22 #include <linux/kernel.h>
23 #include <linux/init.h>
24 #include <linux/platform_device.h>
25 #include <linux/syscore_ops.h>
26 #include <linux/input.h>
27 #include <linux/delay.h>
28 #include <linux/gpio_keys.h>
29 #include <linux/pwm.h>
30 #include <linux/pwm_backlight.h>
31 #include <linux/rtc.h>
32 #include <linux/leds.h>
33 #include <linux/gpio.h>
34 #include <linux/interrupt.h>
35 #include <linux/irq.h>
36 #include <linux/pda_power.h>
37 #include <linux/power_supply.h>
38 #include <linux/wm97xx.h>
39 #include <linux/mtd/physmap.h>
40 #include <linux/usb/gpio_vbus.h>
41 #include <linux/reboot.h>
42 #include <linux/regulator/fixed.h>
43 #include <linux/regulator/max1586.h>
44 #include <linux/slab.h>
45 #include <linux/platform_data/i2c-pxa.h>
46 
47 #include <asm/mach-types.h>
48 #include <asm/mach/arch.h>
49 
50 #include "pxa27x.h"
51 #include "regs-rtc.h"
52 #include <linux/platform_data/keypad-pxa27x.h>
53 #include <linux/platform_data/video-pxafb.h>
54 #include <linux/platform_data/mmc-pxamci.h>
55 #include "udc.h"
56 #include "pxa27x-udc.h"
57 #include <linux/platform_data/media/camera-pxa.h>
58 #include <mach/audio.h>
59 #include <mach/smemc.h>
60 
61 #include "mioa701.h"
62 
63 #include "generic.h"
64 #include "devices.h"
65 
66 static unsigned long mioa701_pin_config[] = {
67 	/* Mio global */
68 	MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
69 	MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
70 	MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
71 	MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
72 	MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
73 
74 	/* Backlight PWM 0 */
75 	GPIO16_PWM0_OUT,
76 
77 	/* MMC */
78 	GPIO32_MMC_CLK,
79 	GPIO92_MMC_DAT_0,
80 	GPIO109_MMC_DAT_1,
81 	GPIO110_MMC_DAT_2,
82 	GPIO111_MMC_DAT_3,
83 	GPIO112_MMC_CMD,
84 	MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
85 	MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
86 	MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
87 
88 	/* USB */
89 	MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
90 	MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
91 
92 	/* LCD */
93 	GPIOxx_LCD_TFT_16BPP,
94 
95 	/* QCI */
96 	GPIO12_CIF_DD_7,
97 	GPIO17_CIF_DD_6,
98 	GPIO50_CIF_DD_3,
99 	GPIO51_CIF_DD_2,
100 	GPIO52_CIF_DD_4,
101 	GPIO53_CIF_MCLK,
102 	GPIO54_CIF_PCLK,
103 	GPIO55_CIF_DD_1,
104 	GPIO81_CIF_DD_0,
105 	GPIO82_CIF_DD_5,
106 	GPIO84_CIF_FV,
107 	GPIO85_CIF_LV,
108 	MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
109 
110 	/* Bluetooth */
111 	MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
112 	GPIO44_BTUART_CTS,
113 	GPIO42_BTUART_RXD,
114 	GPIO45_BTUART_RTS,
115 	GPIO43_BTUART_TXD,
116 	MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
117 	MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
118 	MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
119 
120 	/* GPS */
121 	MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
122 	MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
123 	MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
124 	MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
125 	MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
126 	GPIO46_STUART_RXD,
127 	GPIO47_STUART_TXD,
128 
129 	/* GSM */
130 	MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
131 	MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
132 	MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
133 	MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
134 	MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
135 	MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
136 	GPIO34_FFUART_RXD,
137 	GPIO35_FFUART_CTS,
138 	GPIO36_FFUART_DCD,
139 	GPIO37_FFUART_DSR,
140 	GPIO39_FFUART_TXD,
141 	GPIO40_FFUART_DTR,
142 	GPIO41_FFUART_RTS,
143 
144 	/* Sound */
145 	GPIO28_AC97_BITCLK,
146 	GPIO29_AC97_SDATA_IN_0,
147 	GPIO30_AC97_SDATA_OUT,
148 	GPIO31_AC97_SYNC,
149 	GPIO89_AC97_SYSCLK,
150 	MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
151 
152 	/* Leds */
153 	MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
154 	MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
155 	MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
156 	MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
157 	MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
158 
159 	/* Keyboard */
160 	MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
161 	MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
162 	MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
163 	GPIO100_KP_MKIN_0,
164 	GPIO101_KP_MKIN_1,
165 	GPIO102_KP_MKIN_2,
166 	GPIO103_KP_MKOUT_0,
167 	GPIO104_KP_MKOUT_1,
168 	GPIO105_KP_MKOUT_2,
169 
170 	/* I2C */
171 	GPIO117_I2C_SCL,
172 	GPIO118_I2C_SDA,
173 
174 	/* Unknown */
175 	MFP_CFG_IN(GPIO20, AF0),
176 	MFP_CFG_IN(GPIO21, AF0),
177 	MFP_CFG_IN(GPIO33, AF0),
178 	MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
179 	MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
180 	MFP_CFG_IN(GPIO96, AF0),
181 	MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
182 };
183 
184 static struct pwm_lookup mioa701_pwm_lookup[] = {
185 	PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 4000 * 1024,
186 		   PWM_POLARITY_NORMAL),
187 };
188 
189 /* LCD Screen and Backlight */
190 static struct platform_pwm_backlight_data mioa701_backlight_data = {
191 	.max_brightness	= 100,
192 	.dft_brightness	= 50,
193 	.enable_gpio	= -1,
194 };
195 
196 /*
197  * LTM0305A776C LCD panel timings
198  *
199  * see:
200  *  - the LTM0305A776C datasheet,
201  *  - and the PXA27x Programmers' manual
202  */
203 static struct pxafb_mode_info mioa701_ltm0305a776c = {
204 	.pixclock		= 220000,	/* CLK=4.545 MHz */
205 	.xres			= 240,
206 	.yres			= 320,
207 	.bpp			= 16,
208 	.hsync_len		= 4,
209 	.vsync_len		= 2,
210 	.left_margin		= 6,
211 	.right_margin		= 4,
212 	.upper_margin		= 5,
213 	.lower_margin		= 3,
214 };
215 
mioa701_lcd_power(int on,struct fb_var_screeninfo * si)216 static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
217 {
218 	gpio_set_value(GPIO87_LCD_POWER, on);
219 }
220 
221 static struct pxafb_mach_info mioa701_pxafb_info = {
222 	.modes			= &mioa701_ltm0305a776c,
223 	.num_modes		= 1,
224 	.lcd_conn		= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
225 	.pxafb_lcd_power	= mioa701_lcd_power,
226 };
227 
228 /*
229  * Keyboard configuration
230  */
231 static const unsigned int mioa701_matrix_keys[] = {
232 	KEY(0, 0, KEY_UP),
233 	KEY(0, 1, KEY_RIGHT),
234 	KEY(0, 2, KEY_MEDIA),
235 	KEY(1, 0, KEY_DOWN),
236 	KEY(1, 1, KEY_ENTER),
237 	KEY(1, 2, KEY_CONNECT),	/* GPS key */
238 	KEY(2, 0, KEY_LEFT),
239 	KEY(2, 1, KEY_PHONE),	/* Phone Green key */
240 	KEY(2, 2, KEY_CAMERA)	/* Camera key */
241 };
242 
243 static struct matrix_keymap_data mioa701_matrix_keymap_data = {
244 	.keymap			= mioa701_matrix_keys,
245 	.keymap_size		= ARRAY_SIZE(mioa701_matrix_keys),
246 };
247 
248 static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
249 	.matrix_key_rows = 3,
250 	.matrix_key_cols = 3,
251 	.matrix_keymap_data = &mioa701_matrix_keymap_data,
252 };
253 
254 /*
255  * GPIO Key Configuration
256  */
257 #define MIO_KEY(key, _gpio, _desc, _wakeup) \
258 	{ .code = (key), .gpio = (_gpio), .active_low = 0, \
259 	.desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
260 static struct gpio_keys_button mioa701_button_table[] = {
261 	MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
262 	MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
263 	MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
264 	MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
265 };
266 
267 static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
268 	.buttons  = mioa701_button_table,
269 	.nbuttons = ARRAY_SIZE(mioa701_button_table),
270 };
271 
272 /*
273  * Leds and vibrator
274  */
275 #define ONE_LED(_gpio, _name) \
276 { .gpio = (_gpio), .name = (_name), .active_low = true }
277 static struct gpio_led gpio_leds[] = {
278 	ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
279 	ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
280 	ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
281 	ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
282 	ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
283 };
284 
285 static struct gpio_led_platform_data gpio_led_info = {
286 	.leds = gpio_leds,
287 	.num_leds = ARRAY_SIZE(gpio_leds),
288 };
289 
290 /*
291  * GSM Sagem XS200 chip
292  *
293  * GSM handling was purged from kernel. For history, this is the way to go :
294  *   - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
295  *            GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
296  *   - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
297  *             GPIO24_GSM_MOD_RESET_CMD = 0
298  *   - turn on  : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
299  *                GPIO88_GSM_nMOD_ON_CMD = 1
300  *   - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
301  *                GPIO90_GSM_nMOD_OFF_CMD = 1
302  */
is_gsm_on(void)303 static int is_gsm_on(void)
304 {
305 	int is_on;
306 
307 	is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
308 	return is_on;
309 }
310 
gsm_on_irq(int irq,void * p)311 irqreturn_t gsm_on_irq(int irq, void *p)
312 {
313 	printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
314 	       is_gsm_on() ? "on" : "off");
315 	return IRQ_HANDLED;
316 }
317 
318 static struct gpio gsm_gpios[] = {
319 	{ GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
320 	{ GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
321 };
322 
gsm_init(void)323 static int __init gsm_init(void)
324 {
325 	int rc;
326 
327 	rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
328 	if (rc)
329 		goto err_gpio;
330 	rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
331 			 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
332 			 "GSM XS200 Power Irq", NULL);
333 	if (rc)
334 		goto err_irq;
335 
336 	gpio_set_wake(GPIO113_GSM_EVENT, 1);
337 	return 0;
338 
339 err_irq:
340 	printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
341 	gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
342 err_gpio:
343 	printk(KERN_ERR "Mioa701: gsm not available\n");
344 	return rc;
345 }
346 
gsm_exit(void)347 static void gsm_exit(void)
348 {
349 	free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
350 	gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
351 }
352 
353 /*
354  * Bluetooth BRF6150 chip
355  *
356  * BT handling was purged from kernel. For history, this is the way to go :
357  * - turn on  : GPIO83_BT_ON = 1
358  * - turn off : GPIO83_BT_ON = 0
359  */
360 
361 /*
362  * GPS Sirf Star III chip
363  *
364  * GPS handling was purged from kernel. For history, this is the way to go :
365  * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
366  *          GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
367  * - turn on  : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
368  * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
369  */
370 
371 /*
372  * USB UDC
373  */
is_usb_connected(void)374 static int is_usb_connected(void)
375 {
376 	return !gpio_get_value(GPIO13_nUSB_DETECT);
377 }
378 
379 static struct pxa2xx_udc_mach_info mioa701_udc_info = {
380 	.udc_is_connected = is_usb_connected,
381 	.gpio_pullup	  = GPIO22_USB_ENABLE,
382 };
383 
384 struct gpio_vbus_mach_info gpio_vbus_data = {
385 	.gpio_vbus = GPIO13_nUSB_DETECT,
386 	.gpio_vbus_inverted = 1,
387 	.gpio_pullup = -1,
388 };
389 
390 /*
391  * SDIO/MMC Card controller
392  */
393 /**
394  * The card detect interrupt isn't debounced so we delay it by 250ms
395  * to give the card a chance to fully insert/eject.
396  */
397 static struct pxamci_platform_data mioa701_mci_info = {
398 	.detect_delay_ms	= 250,
399 	.ocr_mask 		= MMC_VDD_32_33 | MMC_VDD_33_34,
400 	.gpio_card_detect	= GPIO15_SDIO_INSERT,
401 	.gpio_card_ro		= GPIO78_SDIO_RO,
402 	.gpio_power		= GPIO91_SDIO_EN,
403 };
404 
405 /* FlashRAM */
406 static struct resource docg3_resource = {
407 	.start = PXA_CS0_PHYS,
408 	.end   = PXA_CS0_PHYS + SZ_8K - 1,
409 	.flags = IORESOURCE_MEM,
410 };
411 
412 static struct platform_device docg3 = {
413 	.name	       = "docg3",
414 	.id	       = -1,
415 	.resource      = &docg3_resource,
416 	.num_resources = 1,
417 	.dev = {
418 		.platform_data = NULL,
419 	},
420 };
421 
422 /*
423  * Suspend/Resume bootstrap management
424  *
425  * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
426  * this sequence is as follows :
427  *   - disables interrupts
428  *   - initialize SDRAM (self refresh RAM into active RAM)
429  *   - initialize GPIOs (depends on value at 0xa020b020)
430  *   - initialize coprossessors
431  *   - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
432  *   - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
433  *   - else do a resume, ie. jump to addr 0xa0100000
434  */
435 #define RESUME_ENABLE_ADDR	0xa020b000
436 #define RESUME_ENABLE_VAL	0x0f0f0f0f
437 #define RESUME_BT_ADDR		0xa020b020
438 #define RESUME_UNKNOWN_ADDR	0xa020b024
439 #define RESUME_VECTOR_ADDR	0xa0100000
440 #define BOOTSTRAP_WORDS		mioa701_bootstrap_lg/4
441 
442 static u32 *save_buffer;
443 
install_bootstrap(void)444 static void install_bootstrap(void)
445 {
446 	int i;
447 	u32 *rom_bootstrap  = phys_to_virt(RESUME_VECTOR_ADDR);
448 	u32 *src = &mioa701_bootstrap;
449 
450 	for (i = 0; i < BOOTSTRAP_WORDS; i++)
451 		rom_bootstrap[i] = src[i];
452 }
453 
454 
mioa701_sys_suspend(void)455 static int mioa701_sys_suspend(void)
456 {
457 	int i = 0, is_bt_on;
458 	u32 *mem_resume_vector	= phys_to_virt(RESUME_VECTOR_ADDR);
459 	u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
460 	u32 *mem_resume_bt	= phys_to_virt(RESUME_BT_ADDR);
461 	u32 *mem_resume_unknown	= phys_to_virt(RESUME_UNKNOWN_ADDR);
462 
463 	/* Devices prepare suspend */
464 	is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
465 	pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
466 			   is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
467 
468 	for (i = 0; i < BOOTSTRAP_WORDS; i++)
469 		save_buffer[i] = mem_resume_vector[i];
470 	save_buffer[i++] = *mem_resume_enabler;
471 	save_buffer[i++] = *mem_resume_bt;
472 	save_buffer[i++] = *mem_resume_unknown;
473 
474 	*mem_resume_enabler = RESUME_ENABLE_VAL;
475 	*mem_resume_bt	    = is_bt_on;
476 
477 	install_bootstrap();
478 	return 0;
479 }
480 
mioa701_sys_resume(void)481 static void mioa701_sys_resume(void)
482 {
483 	int i = 0;
484 	u32 *mem_resume_vector	= phys_to_virt(RESUME_VECTOR_ADDR);
485 	u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
486 	u32 *mem_resume_bt	= phys_to_virt(RESUME_BT_ADDR);
487 	u32 *mem_resume_unknown	= phys_to_virt(RESUME_UNKNOWN_ADDR);
488 
489 	for (i = 0; i < BOOTSTRAP_WORDS; i++)
490 		mem_resume_vector[i] = save_buffer[i];
491 	*mem_resume_enabler = save_buffer[i++];
492 	*mem_resume_bt	    = save_buffer[i++];
493 	*mem_resume_unknown = save_buffer[i++];
494 }
495 
496 static struct syscore_ops mioa701_syscore_ops = {
497 	.suspend	= mioa701_sys_suspend,
498 	.resume		= mioa701_sys_resume,
499 };
500 
bootstrap_init(void)501 static int __init bootstrap_init(void)
502 {
503 	int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
504 
505 	register_syscore_ops(&mioa701_syscore_ops);
506 
507 	save_buffer = kmalloc(save_size, GFP_KERNEL);
508 	if (!save_buffer)
509 		return -ENOMEM;
510 	printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
511 	       save_size);
512 	return 0;
513 }
514 
bootstrap_exit(void)515 static void bootstrap_exit(void)
516 {
517 	kfree(save_buffer);
518 	unregister_syscore_ops(&mioa701_syscore_ops);
519 
520 	printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
521 	       "resume !!!\n");
522 }
523 
524 /*
525  * Power Supply
526  */
527 static char *supplicants[] = {
528 	"mioa701_battery"
529 };
530 
is_ac_connected(void)531 static int is_ac_connected(void)
532 {
533 	return gpio_get_value(GPIO96_AC_DETECT);
534 }
535 
mioa701_set_charge(int flags)536 static void mioa701_set_charge(int flags)
537 {
538 	gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
539 }
540 
541 static struct pda_power_pdata power_pdata = {
542 	.is_ac_online	= is_ac_connected,
543 	.is_usb_online	= is_usb_connected,
544 	.set_charge = mioa701_set_charge,
545 	.supplied_to = supplicants,
546 	.num_supplicants = ARRAY_SIZE(supplicants),
547 };
548 
549 static struct resource power_resources[] = {
550 	[0] = {
551 		.name	= "ac",
552 		.start	= PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
553 		.end	= PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
554 		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
555 		IORESOURCE_IRQ_LOWEDGE,
556 	},
557 	[1] = {
558 		.name	= "usb",
559 		.start	= PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
560 		.end	= PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
561 		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
562 		IORESOURCE_IRQ_LOWEDGE,
563 	},
564 };
565 
566 static struct platform_device power_dev = {
567 	.name		= "pda-power",
568 	.id		= -1,
569 	.resource	= power_resources,
570 	.num_resources	= ARRAY_SIZE(power_resources),
571 	.dev = {
572 		.platform_data	= &power_pdata,
573 	},
574 };
575 
576 static struct wm97xx_batt_pdata mioa701_battery_data = {
577 	.batt_aux	= WM97XX_AUX_ID1,
578 	.temp_aux	= -1,
579 	.charge_gpio	= -1,
580 	.min_voltage	= 0xc00,
581 	.max_voltage	= 0xfc0,
582 	.batt_tech	= POWER_SUPPLY_TECHNOLOGY_LION,
583 	.batt_div	= 1,
584 	.batt_mult	= 1,
585 	.batt_name	= "mioa701_battery",
586 };
587 
588 static struct wm97xx_pdata mioa701_wm97xx_pdata = {
589 	.batt_pdata	= &mioa701_battery_data,
590 };
591 
592 /*
593  * Voltage regulation
594  */
595 static struct regulator_consumer_supply max1586_consumers[] = {
596 	REGULATOR_SUPPLY("vcc_core", NULL),
597 };
598 
599 static struct regulator_init_data max1586_v3_info = {
600 	.constraints = {
601 		.name = "vcc_core range",
602 		.min_uV = 1000000,
603 		.max_uV = 1705000,
604 		.always_on = 1,
605 		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
606 	},
607 	.num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
608 	.consumer_supplies = max1586_consumers,
609 };
610 
611 static struct max1586_subdev_data max1586_subdevs[] = {
612 	{ .name = "vcc_core", .id = MAX1586_V3,
613 	  .platform_data = &max1586_v3_info },
614 };
615 
616 static struct max1586_platform_data max1586_info = {
617 	.subdevs = max1586_subdevs,
618 	.num_subdevs = ARRAY_SIZE(max1586_subdevs),
619 	.v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
620 };
621 
622 /*
623  * Camera interface
624  */
625 struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
626 	.flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
627 		PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
628 	.mclk_10khz = 5000,
629 	.sensor_i2c_adapter_id = 0,
630 	.sensor_i2c_address = 0x5d,
631 };
632 
633 static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
634 	{
635 		I2C_BOARD_INFO("max1586", 0x14),
636 		.platform_data = &max1586_info,
637 	},
638 };
639 
640 /* Board I2C devices. */
641 static struct i2c_board_info mioa701_i2c_devices[] = {
642 	{
643 		I2C_BOARD_INFO("mt9m111", 0x5d),
644 	},
645 };
646 
647 struct i2c_pxa_platform_data i2c_pdata = {
648 	.fast_mode = 1,
649 };
650 
651 static pxa2xx_audio_ops_t mioa701_ac97_info = {
652 	.reset_gpio = 95,
653 	.codec_pdata = { &mioa701_wm97xx_pdata, },
654 };
655 
656 /*
657  * Mio global
658  */
659 
660 /* Devices */
661 #define MIO_PARENT_DEV(var, strname, tparent, pdata)	\
662 static struct platform_device var = {			\
663 	.name		= strname,			\
664 	.id		= -1,				\
665 	.dev		= {				\
666 		.platform_data = pdata,			\
667 		.parent	= tparent,			\
668 	},						\
669 };
670 #define MIO_SIMPLE_DEV(var, strname, pdata)	\
671 	MIO_PARENT_DEV(var, strname, NULL, pdata)
672 
673 MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys",	    &mioa701_gpio_keys_data)
674 MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight",  &pxa27x_device_pwm0.dev,
675 		&mioa701_backlight_data);
676 MIO_SIMPLE_DEV(mioa701_led,	  "leds-gpio",	    &gpio_led_info)
677 MIO_SIMPLE_DEV(pxa2xx_pcm,	  "pxa2xx-pcm",	    NULL)
678 MIO_SIMPLE_DEV(mioa701_sound,	  "mioa701-wm9713", NULL)
679 MIO_SIMPLE_DEV(mioa701_board,	  "mioa701-board",  NULL)
680 MIO_SIMPLE_DEV(gpio_vbus,	  "gpio-vbus",      &gpio_vbus_data);
681 
682 static struct platform_device *devices[] __initdata = {
683 	&mioa701_gpio_keys,
684 	&mioa701_backlight,
685 	&mioa701_led,
686 	&pxa2xx_pcm,
687 	&mioa701_sound,
688 	&power_dev,
689 	&docg3,
690 	&gpio_vbus,
691 	&mioa701_board,
692 };
693 
694 static void mioa701_machine_exit(void);
695 
mioa701_poweroff(void)696 static void mioa701_poweroff(void)
697 {
698 	mioa701_machine_exit();
699 	pxa_restart(REBOOT_SOFT, NULL);
700 }
701 
mioa701_restart(enum reboot_mode c,const char * cmd)702 static void mioa701_restart(enum reboot_mode c, const char *cmd)
703 {
704 	mioa701_machine_exit();
705 	pxa_restart(REBOOT_SOFT, cmd);
706 }
707 
708 static struct gpio global_gpios[] = {
709 	{ GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
710 	{ GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
711 	{ GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
712 	{ GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
713 };
714 
715 static struct regulator_consumer_supply fixed_5v0_consumers[] = {
716 	REGULATOR_SUPPLY("power", "pwm-backlight"),
717 };
718 
mioa701_machine_init(void)719 static void __init mioa701_machine_init(void)
720 {
721 	int rc;
722 
723 	PSLR  = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
724 	PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
725 	RTTR = 32768 - 1; /* Reset crazy WinCE value */
726 	UP2OCR = UP2OCR_HXOE;
727 
728 	/*
729 	 * Set up the flash memory : DiskOnChip G3 on first static memory bank
730 	 */
731 	__raw_writel(0x7ff02dd8, MSC0);
732 	__raw_writel(0x0001c391, MCMEM0);
733 	__raw_writel(0x0001c391, MCATT0);
734 	__raw_writel(0x0001c391, MCIO0);
735 
736 
737 	pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
738 	pxa_set_ffuart_info(NULL);
739 	pxa_set_btuart_info(NULL);
740 	pxa_set_stuart_info(NULL);
741 	rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
742 	if (rc)
743 		pr_err("MioA701: Failed to request GPIOs: %d", rc);
744 	bootstrap_init();
745 	pxa_set_fb_info(NULL, &mioa701_pxafb_info);
746 	pxa_set_mci_info(&mioa701_mci_info);
747 	pxa_set_keypad_info(&mioa701_keypad_info);
748 	pxa_set_udc_info(&mioa701_udc_info);
749 	pxa_set_ac97_info(&mioa701_ac97_info);
750 	pm_power_off = mioa701_poweroff;
751 	pwm_add_table(mioa701_pwm_lookup, ARRAY_SIZE(mioa701_pwm_lookup));
752 	platform_add_devices(devices, ARRAY_SIZE(devices));
753 	gsm_init();
754 
755 	i2c_register_board_info(0, ARRAY_AND_SIZE(mioa701_i2c_devices));
756 	i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
757 	pxa_set_i2c_info(&i2c_pdata);
758 	pxa27x_set_i2c_power_info(NULL);
759 	pxa_set_camera_info(&mioa701_pxacamera_platform_data);
760 
761 	regulator_register_always_on(0, "fixed-5.0V", fixed_5v0_consumers,
762 				     ARRAY_SIZE(fixed_5v0_consumers),
763 				     5000000);
764 	regulator_has_full_constraints();
765 }
766 
mioa701_machine_exit(void)767 static void mioa701_machine_exit(void)
768 {
769 	bootstrap_exit();
770 	gsm_exit();
771 }
772 
773 MACHINE_START(MIOA701, "MIO A701")
774 	.atag_offset	= 0x100,
775 	.map_io		= &pxa27x_map_io,
776 	.nr_irqs	= PXA_NR_IRQS,
777 	.init_irq	= &pxa27x_init_irq,
778 	.handle_irq	= &pxa27x_handle_irq,
779 	.init_machine	= mioa701_machine_init,
780 	.init_time	= pxa_timer_init,
781 	.restart	= mioa701_restart,
782 MACHINE_END
783