blob: 4f47a760398ff379bddb73c24d47e48fc021c219 [file] [log] [blame]
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +01001/*
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>
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +020025#include <linux/syscore_ops.h>
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010026#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>
Marek Vasut241cf472010-06-04 03:07:33 +020037#include <linux/wm97xx.h>
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010038#include <linux/mtd/physmap.h>
Robert Jarzmik689b4fe2009-01-30 20:48:24 +010039#include <linux/usb/gpio_vbus.h>
Robert Jarzmik9752e142009-04-30 11:53:30 +080040#include <linux/regulator/max1586.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090041#include <linux/slab.h>
Sebastian Andrzej Siewiorb4593962011-02-23 12:38:16 +010042#include <linux/i2c/pxa-i2c.h>
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010043
44#include <asm/mach-types.h>
45#include <asm/mach/arch.h>
Eric Miao51c62982009-01-02 23:17:22 +080046
47#include <mach/pxa27x.h>
Eric Miao5bf3df32009-01-20 11:04:16 +080048#include <mach/regs-rtc.h>
Mark F. Brown4a2490e2010-09-03 18:28:06 -040049#include <plat/pxa27x_keypad.h>
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010050#include <mach/pxafb.h>
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010051#include <mach/mmc.h>
52#include <mach/udc.h>
53#include <mach/pxa27x-udc.h>
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +010054#include <mach/camera.h>
Mark Brown80748fb2009-04-03 12:45:49 +010055#include <mach/audio.h>
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +010056#include <media/soc_camera.h>
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010057
58#include <mach/mioa701.h>
59
60#include "generic.h"
61#include "devices.h"
62
63static unsigned long mioa701_pin_config[] = {
64 /* Mio global */
Robert Jarzmikc96763d2008-11-18 20:23:32 +010065 MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010066 MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
67 MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
68 MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
Robert Jarzmikc96763d2008-11-18 20:23:32 +010069 MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010070
71 /* Backlight PWM 0 */
72 GPIO16_PWM0_OUT,
73
74 /* MMC */
75 GPIO32_MMC_CLK,
76 GPIO92_MMC_DAT_0,
77 GPIO109_MMC_DAT_1,
78 GPIO110_MMC_DAT_2,
79 GPIO111_MMC_DAT_3,
80 GPIO112_MMC_CMD,
81 MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
82 MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
83 MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
84
85 /* USB */
Robert Jarzmikc96763d2008-11-18 20:23:32 +010086 MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010087 MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
88
89 /* LCD */
Eric Miaobedbda92010-01-04 11:37:14 +080090 GPIOxx_LCD_TFT_16BPP,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010091
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +010092 /* QCI */
93 GPIO12_CIF_DD_7,
94 GPIO17_CIF_DD_6,
95 GPIO50_CIF_DD_3,
96 GPIO51_CIF_DD_2,
97 GPIO52_CIF_DD_4,
98 GPIO53_CIF_MCLK,
99 GPIO54_CIF_PCLK,
100 GPIO55_CIF_DD_1,
101 GPIO81_CIF_DD_0,
102 GPIO82_CIF_DD_5,
103 GPIO84_CIF_FV,
104 GPIO85_CIF_LV,
105
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100106 /* Bluetooth */
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100107 MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100108 GPIO44_BTUART_CTS,
109 GPIO42_BTUART_RXD,
110 GPIO45_BTUART_RTS,
111 GPIO43_BTUART_TXD,
112 MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100113 MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
114 MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100115
116 /* GPS */
117 MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
118 MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
119 MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
120 MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
121 MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
122 GPIO46_STUART_RXD,
123 GPIO47_STUART_TXD,
124
125 /* GSM */
126 MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
127 MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
128 MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
129 MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
130 MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
131 MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
132 GPIO34_FFUART_RXD,
133 GPIO35_FFUART_CTS,
134 GPIO36_FFUART_DCD,
135 GPIO37_FFUART_DSR,
136 GPIO39_FFUART_TXD,
137 GPIO40_FFUART_DTR,
138 GPIO41_FFUART_RTS,
139
140 /* Sound */
Eric Miaoc11b6a42010-01-04 17:00:13 +0800141 GPIO28_AC97_BITCLK,
142 GPIO29_AC97_SDATA_IN_0,
143 GPIO30_AC97_SDATA_OUT,
144 GPIO31_AC97_SYNC,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100145 GPIO89_AC97_SYSCLK,
146 MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
147
148 /* Leds */
149 MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
150 MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
151 MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
152 MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
153 MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
154
155 /* Keyboard */
156 MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
157 MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
158 MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
159 GPIO100_KP_MKIN_0,
160 GPIO101_KP_MKIN_1,
161 GPIO102_KP_MKIN_2,
162 GPIO103_KP_MKOUT_0,
163 GPIO104_KP_MKOUT_1,
164 GPIO105_KP_MKOUT_2,
165
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100166 /* I2C */
167 GPIO117_I2C_SCL,
168 GPIO118_I2C_SDA,
169
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100170 /* Unknown */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100171 MFP_CFG_IN(GPIO20, AF0),
172 MFP_CFG_IN(GPIO21, AF0),
173 MFP_CFG_IN(GPIO33, AF0),
174 MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
175 MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100176 MFP_CFG_IN(GPIO96, AF0),
177 MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
178};
179
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100180/* LCD Screen and Backlight */
181static struct platform_pwm_backlight_data mioa701_backlight_data = {
182 .pwm_id = 0,
183 .max_brightness = 100,
184 .dft_brightness = 50,
185 .pwm_period_ns = 4000 * 1024, /* Fl = 250kHz */
186};
187
188/*
189 * LTM0305A776C LCD panel timings
190 *
191 * see:
192 * - the LTM0305A776C datasheet,
193 * - and the PXA27x Programmers' manual
194 */
195static struct pxafb_mode_info mioa701_ltm0305a776c = {
196 .pixclock = 220000, /* CLK=4.545 MHz */
197 .xres = 240,
198 .yres = 320,
199 .bpp = 16,
200 .hsync_len = 4,
201 .vsync_len = 2,
202 .left_margin = 6,
203 .right_margin = 4,
204 .upper_margin = 5,
205 .lower_margin = 3,
206};
207
208static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
209{
210 gpio_set_value(GPIO87_LCD_POWER, on);
211}
212
213static struct pxafb_mach_info mioa701_pxafb_info = {
214 .modes = &mioa701_ltm0305a776c,
215 .num_modes = 1,
216 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
217 .pxafb_lcd_power = mioa701_lcd_power,
218};
219
220/*
221 * Keyboard configuration
222 */
223static unsigned int mioa701_matrix_keys[] = {
224 KEY(0, 0, KEY_UP),
225 KEY(0, 1, KEY_RIGHT),
226 KEY(0, 2, KEY_MEDIA),
227 KEY(1, 0, KEY_DOWN),
228 KEY(1, 1, KEY_ENTER),
229 KEY(1, 2, KEY_CONNECT), /* GPS key */
230 KEY(2, 0, KEY_LEFT),
231 KEY(2, 1, KEY_PHONE), /* Phone Green key */
232 KEY(2, 2, KEY_CAMERA) /* Camera key */
233};
234static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
235 .matrix_key_rows = 3,
236 .matrix_key_cols = 3,
237 .matrix_key_map = mioa701_matrix_keys,
238 .matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys),
239};
240
241/*
242 * GPIO Key Configuration
243 */
244#define MIO_KEY(key, _gpio, _desc, _wakeup) \
245 { .code = (key), .gpio = (_gpio), .active_low = 0, \
246 .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
247static struct gpio_keys_button mioa701_button_table[] = {
248 MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
249 MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
250 MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
251 MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
252};
253
254static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
255 .buttons = mioa701_button_table,
256 .nbuttons = ARRAY_SIZE(mioa701_button_table),
257};
258
259/*
260 * Leds and vibrator
261 */
262#define ONE_LED(_gpio, _name) \
263{ .gpio = (_gpio), .name = (_name), .active_low = true }
264static struct gpio_led gpio_leds[] = {
265 ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
266 ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
267 ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
268 ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
269 ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
270};
271
272static struct gpio_led_platform_data gpio_led_info = {
273 .leds = gpio_leds,
274 .num_leds = ARRAY_SIZE(gpio_leds),
275};
276
277/*
278 * GSM Sagem XS200 chip
279 *
280 * GSM handling was purged from kernel. For history, this is the way to go :
281 * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
282 * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
283 * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
284 * GPIO24_GSM_MOD_RESET_CMD = 0
285 * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
286 * GPIO88_GSM_nMOD_ON_CMD = 1
287 * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
288 * GPIO90_GSM_nMOD_OFF_CMD = 1
289 */
290static int is_gsm_on(void)
291{
292 int is_on;
293
294 is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
295 return is_on;
296}
297
298irqreturn_t gsm_on_irq(int irq, void *p)
299{
300 printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
301 is_gsm_on() ? "on" : "off");
302 return IRQ_HANDLED;
303}
304
Philipp Zabel4c738b22011-04-28 22:19:32 +0200305static struct gpio gsm_gpios[] = {
306 { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
307 { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100308};
309
310static int __init gsm_init(void)
311{
312 int rc;
313
Philipp Zabel4c738b22011-04-28 22:19:32 +0200314 rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100315 if (rc)
316 goto err_gpio;
317 rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
318 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
319 "GSM XS200 Power Irq", NULL);
320 if (rc)
321 goto err_irq;
322
323 gpio_set_wake(GPIO113_GSM_EVENT, 1);
324 return 0;
325
326err_irq:
327 printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
Philipp Zabel4c738b22011-04-28 22:19:32 +0200328 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100329err_gpio:
330 printk(KERN_ERR "Mioa701: gsm not available\n");
331 return rc;
332}
333
334static void gsm_exit(void)
335{
336 free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
Philipp Zabel4c738b22011-04-28 22:19:32 +0200337 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100338}
339
340/*
341 * Bluetooth BRF6150 chip
342 *
343 * BT handling was purged from kernel. For history, this is the way to go :
344 * - turn on : GPIO83_BT_ON = 1
345 * - turn off : GPIO83_BT_ON = 0
346 */
347
348/*
349 * GPS Sirf Star III chip
350 *
351 * GPS handling was purged from kernel. For history, this is the way to go :
352 * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
353 * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
354 * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
355 * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
356 */
357
358/*
359 * USB UDC
360 */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100361static int is_usb_connected(void)
362{
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100363 return !gpio_get_value(GPIO13_nUSB_DETECT);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100364}
365
366static struct pxa2xx_udc_mach_info mioa701_udc_info = {
367 .udc_is_connected = is_usb_connected,
Robert Jarzmikcefdb2a2009-01-31 21:07:09 +0100368 .gpio_pullup = GPIO22_USB_ENABLE,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100369};
370
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100371struct gpio_vbus_mach_info gpio_vbus_data = {
372 .gpio_vbus = GPIO13_nUSB_DETECT,
373 .gpio_vbus_inverted = 1,
374 .gpio_pullup = -1,
375};
376
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100377/*
378 * SDIO/MMC Card controller
379 */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100380/**
381 * The card detect interrupt isn't debounced so we delay it by 250ms
382 * to give the card a chance to fully insert/eject.
383 */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100384static struct pxamci_platform_data mioa701_mci_info = {
Eric Miaof97cab22010-04-14 07:00:42 +0800385 .detect_delay_ms = 250,
Robert Jarzmik7a648252009-07-06 22:16:42 +0200386 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
387 .gpio_card_detect = GPIO15_SDIO_INSERT,
388 .gpio_card_ro = GPIO78_SDIO_RO,
389 .gpio_power = GPIO91_SDIO_EN,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100390};
391
392/* FlashRAM */
393static struct resource strataflash_resource = {
394 .start = PXA_CS0_PHYS,
395 .end = PXA_CS0_PHYS + SZ_64M - 1,
396 .flags = IORESOURCE_MEM,
397};
398
399static struct physmap_flash_data strataflash_data = {
400 .width = 2,
401 /* .set_vpp = mioa701_set_vpp, */
402};
403
404static struct platform_device strataflash = {
405 .name = "physmap-flash",
406 .id = -1,
407 .resource = &strataflash_resource,
408 .num_resources = 1,
409 .dev = {
410 .platform_data = &strataflash_data,
411 },
412};
413
414/*
415 * Suspend/Resume bootstrap management
416 *
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300417 * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100418 * this sequence is as follows :
419 * - disables interrupts
420 * - initialize SDRAM (self refresh RAM into active RAM)
421 * - initialize GPIOs (depends on value at 0xa020b020)
422 * - initialize coprossessors
423 * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
424 * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
425 * - else do a resume, ie. jump to addr 0xa0100000
426 */
427#define RESUME_ENABLE_ADDR 0xa020b000
428#define RESUME_ENABLE_VAL 0x0f0f0f0f
429#define RESUME_BT_ADDR 0xa020b020
430#define RESUME_UNKNOWN_ADDR 0xa020b024
431#define RESUME_VECTOR_ADDR 0xa0100000
432#define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
433
434static u32 *save_buffer;
435
436static void install_bootstrap(void)
437{
438 int i;
439 u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
440 u32 *src = &mioa701_bootstrap;
441
442 for (i = 0; i < BOOTSTRAP_WORDS; i++)
443 rom_bootstrap[i] = src[i];
444}
445
446
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200447static int mioa701_sys_suspend(void)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100448{
449 int i = 0, is_bt_on;
450 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
451 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
452 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
453 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
454
455 /* Devices prepare suspend */
Robert Jarzmik844c6f62008-11-17 20:29:04 +0100456 is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100457 pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
458 is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
459
460 for (i = 0; i < BOOTSTRAP_WORDS; i++)
461 save_buffer[i] = mem_resume_vector[i];
462 save_buffer[i++] = *mem_resume_enabler;
463 save_buffer[i++] = *mem_resume_bt;
464 save_buffer[i++] = *mem_resume_unknown;
465
466 *mem_resume_enabler = RESUME_ENABLE_VAL;
467 *mem_resume_bt = is_bt_on;
468
469 install_bootstrap();
470 return 0;
471}
472
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200473static void mioa701_sys_resume(void)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100474{
475 int i = 0;
476 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
477 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
478 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
479 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
480
481 for (i = 0; i < BOOTSTRAP_WORDS; i++)
482 mem_resume_vector[i] = save_buffer[i];
483 *mem_resume_enabler = save_buffer[i++];
484 *mem_resume_bt = save_buffer[i++];
485 *mem_resume_unknown = save_buffer[i++];
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100486}
487
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200488static struct syscore_ops mioa701_syscore_ops = {
489 .suspend = mioa701_sys_suspend,
490 .resume = mioa701_sys_resume,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100491};
492
493static int __init bootstrap_init(void)
494{
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100495 int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
496
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200497 register_syscore_ops(&mioa701_syscore_ops);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100498
499 save_buffer = kmalloc(save_size, GFP_KERNEL);
500 if (!save_buffer)
501 return -ENOMEM;
502 printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
503 save_size);
504 return 0;
505}
506
507static void bootstrap_exit(void)
508{
509 kfree(save_buffer);
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200510 unregister_syscore_ops(&mioa701_syscore_ops);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100511
512 printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
513 "resume !!!\n");
514}
515
516/*
517 * Power Supply
518 */
519static char *supplicants[] = {
520 "mioa701_battery"
521};
522
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100523static int is_ac_connected(void)
524{
525 return gpio_get_value(GPIO96_AC_DETECT);
526}
527
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100528static void mioa701_set_charge(int flags)
529{
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100530 gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100531}
532
533static struct pda_power_pdata power_pdata = {
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100534 .is_ac_online = is_ac_connected,
535 .is_usb_online = is_usb_connected,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100536 .set_charge = mioa701_set_charge,
537 .supplied_to = supplicants,
538 .num_supplicants = ARRAY_SIZE(supplicants),
539};
540
541static struct resource power_resources[] = {
542 [0] = {
543 .name = "ac",
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100544 .start = gpio_to_irq(GPIO96_AC_DETECT),
545 .end = gpio_to_irq(GPIO96_AC_DETECT),
546 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
547 IORESOURCE_IRQ_LOWEDGE,
548 },
549 [1] = {
550 .name = "usb",
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100551 .start = gpio_to_irq(GPIO13_nUSB_DETECT),
552 .end = gpio_to_irq(GPIO13_nUSB_DETECT),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100553 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
554 IORESOURCE_IRQ_LOWEDGE,
555 },
556};
557
558static struct platform_device power_dev = {
559 .name = "pda-power",
560 .id = -1,
561 .resource = power_resources,
562 .num_resources = ARRAY_SIZE(power_resources),
563 .dev = {
564 .platform_data = &power_pdata,
565 },
566};
567
Marek Vasut241cf472010-06-04 03:07:33 +0200568static struct wm97xx_batt_pdata mioa701_battery_data = {
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100569 .batt_aux = WM97XX_AUX_ID1,
570 .temp_aux = -1,
571 .charge_gpio = -1,
572 .min_voltage = 0xc00,
573 .max_voltage = 0xfc0,
574 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
575 .batt_div = 1,
576 .batt_mult = 1,
577 .batt_name = "mioa701_battery",
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100578};
579
Marek Vasut241cf472010-06-04 03:07:33 +0200580static struct wm97xx_pdata mioa701_wm97xx_pdata = {
581 .batt_pdata = &mioa701_battery_data,
582};
583
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100584/*
Robert Jarzmik9752e142009-04-30 11:53:30 +0800585 * Voltage regulation
586 */
587static struct regulator_consumer_supply max1586_consumers[] = {
588 {
589 .supply = "vcc_core",
590 }
591};
592
593static struct regulator_init_data max1586_v3_info = {
594 .constraints = {
595 .name = "vcc_core range",
596 .min_uV = 1000000,
597 .max_uV = 1705000,
598 .always_on = 1,
599 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
600 },
601 .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
602 .consumer_supplies = max1586_consumers,
603};
604
605static struct max1586_subdev_data max1586_subdevs[] = {
606 { .name = "vcc_core", .id = MAX1586_V3,
607 .platform_data = &max1586_v3_info },
608};
609
610static struct max1586_platform_data max1586_info = {
611 .subdevs = max1586_subdevs,
612 .num_subdevs = ARRAY_SIZE(max1586_subdevs),
Philipp Zabele567b742009-05-28 07:15:17 +0200613 .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
Robert Jarzmik9752e142009-04-30 11:53:30 +0800614};
615
616/*
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100617 * Camera interface
618 */
619struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
620 .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
621 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
622 .mclk_10khz = 5000,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100623};
624
Robert Jarzmik9752e142009-04-30 11:53:30 +0800625static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
626 {
627 I2C_BOARD_INFO("max1586", 0x14),
628 .platform_data = &max1586_info,
629 },
630};
631
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100632/* Board I2C devices. */
Robert Jarzmik8dbed712010-06-02 23:29:50 +0200633static struct i2c_board_info mioa701_i2c_devices[] = {
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100634 {
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100635 I2C_BOARD_INFO("mt9m111", 0x5d),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100636 },
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100637};
638
Guennadi Liakhovetskia48c24a2009-04-24 18:40:27 +0200639static struct soc_camera_link iclink = {
640 .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */
641 .board_info = &mioa701_i2c_devices[0],
642 .i2c_adapter_id = 0,
Guennadi Liakhovetskia48c24a2009-04-24 18:40:27 +0200643};
644
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100645struct i2c_pxa_platform_data i2c_pdata = {
646 .fast_mode = 1,
647};
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100648
Robert Jarzmikcc8d2732009-04-13 16:07:55 +0200649static pxa2xx_audio_ops_t mioa701_ac97_info = {
650 .reset_gpio = 95,
Marek Vasut241cf472010-06-04 03:07:33 +0200651 .codec_pdata = { &mioa701_wm97xx_pdata, },
Robert Jarzmikcc8d2732009-04-13 16:07:55 +0200652};
653
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100654/*
655 * Mio global
656 */
657
658/* Devices */
659#define MIO_PARENT_DEV(var, strname, tparent, pdata) \
660static struct platform_device var = { \
661 .name = strname, \
662 .id = -1, \
663 .dev = { \
664 .platform_data = pdata, \
665 .parent = tparent, \
666 }, \
667};
668#define MIO_SIMPLE_DEV(var, strname, pdata) \
669 MIO_PARENT_DEV(var, strname, NULL, pdata)
670
671MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data)
672MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev,
673 &mioa701_backlight_data);
674MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info)
675MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100676MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL)
677MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL)
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100678MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data);
Guennadi Liakhovetskia48c24a2009-04-24 18:40:27 +0200679MIO_SIMPLE_DEV(mioa701_camera, "soc-camera-pdrv",&iclink);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100680
681static struct platform_device *devices[] __initdata = {
682 &mioa701_gpio_keys,
683 &mioa701_backlight,
684 &mioa701_led,
685 &pxa2xx_pcm,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100686 &mioa701_sound,
687 &power_dev,
688 &strataflash,
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100689 &gpio_vbus,
Guennadi Liakhovetskia48c24a2009-04-24 18:40:27 +0200690 &mioa701_camera,
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100691 &mioa701_board,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100692};
693
694static void mioa701_machine_exit(void);
695
696static void mioa701_poweroff(void)
697{
698 mioa701_machine_exit();
Russell Kingbe093be2009-03-19 16:20:24 +0000699 arm_machine_restart('s', NULL);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100700}
701
Russell Kingbe093be2009-03-19 16:20:24 +0000702static void mioa701_restart(char c, const char *cmd)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100703{
704 mioa701_machine_exit();
Russell Kingbe093be2009-03-19 16:20:24 +0000705 arm_machine_restart('s', cmd);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100706}
707
Philipp Zabel4c738b22011-04-28 22:19:32 +0200708static 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" },
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100712};
713
714static void __init mioa701_machine_init(void)
715{
Philipp Zabel4c738b22011-04-28 22:19:32 +0200716 int rc;
717
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100718 PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
719 PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
720 RTTR = 32768 - 1; /* Reset crazy WinCE value */
721 UP2OCR = UP2OCR_HXOE;
722
723 pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
Russell Kingcc155c62009-11-09 13:34:08 +0800724 pxa_set_ffuart_info(NULL);
725 pxa_set_btuart_info(NULL);
726 pxa_set_stuart_info(NULL);
Philipp Zabel4c738b22011-04-28 22:19:32 +0200727 rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
728 if (rc)
729 pr_err("MioA701: Failed to request GPIOs: %d", rc);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100730 bootstrap_init();
Russell King - ARM Linux4321e1a2011-02-15 15:37:30 +0800731 pxa_set_fb_info(NULL, &mioa701_pxafb_info);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100732 pxa_set_mci_info(&mioa701_mci_info);
733 pxa_set_keypad_info(&mioa701_keypad_info);
Robert Jarzmikcefdb2a2009-01-31 21:07:09 +0100734 pxa_set_udc_info(&mioa701_udc_info);
Robert Jarzmikcc8d2732009-04-13 16:07:55 +0200735 pxa_set_ac97_info(&mioa701_ac97_info);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100736 pm_power_off = mioa701_poweroff;
737 arm_pm_restart = mioa701_restart;
738 platform_add_devices(devices, ARRAY_SIZE(devices));
739 gsm_init();
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100740
Robert Jarzmik9752e142009-04-30 11:53:30 +0800741 i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100742 pxa_set_i2c_info(&i2c_pdata);
Robert Jarzmik9752e142009-04-30 11:53:30 +0800743 pxa27x_set_i2c_power_info(NULL);
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100744 pxa_set_camera_info(&mioa701_pxacamera_platform_data);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100745}
746
747static void mioa701_machine_exit(void)
748{
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100749 bootstrap_exit();
750 gsm_exit();
751}
752
753MACHINE_START(MIOA701, "MIO A701")
Nicolas Pitre7375aba2011-07-05 22:38:15 -0400754 .atag_offset = 0x100,
Russell King34adeda2011-11-01 16:24:18 +0000755 .restart_mode = 's',
Marek Vasut851982c2010-10-11 02:20:19 +0200756 .map_io = &pxa27x_map_io,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100757 .init_irq = &pxa27x_init_irq,
Eric Miao8a97ae22011-05-18 21:30:04 +0800758 .handle_irq = &pxa27x_handle_irq,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100759 .init_machine = mioa701_machine_init,
760 .timer = &pxa_timer,
761MACHINE_END