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eda6f6ec RJ |
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/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> | |
4aa89f97 | 37 | #include <linux/wm97xx_batt.h> |
eda6f6ec | 38 | #include <linux/mtd/physmap.h> |
689b4feb | 39 | #include <linux/usb/gpio_vbus.h> |
9752e148 | 40 | #include <linux/regulator/max1586.h> |
5a0e3ad6 | 41 | #include <linux/slab.h> |
eda6f6ec RJ |
42 | |
43 | #include <asm/mach-types.h> | |
44 | #include <asm/mach/arch.h> | |
51c62982 EM |
45 | |
46 | #include <mach/pxa27x.h> | |
5bf3df3f | 47 | #include <mach/regs-rtc.h> |
eda6f6ec RJ |
48 | #include <mach/pxa27x_keypad.h> |
49 | #include <mach/pxafb.h> | |
eda6f6ec RJ |
50 | #include <mach/mmc.h> |
51 | #include <mach/udc.h> | |
52 | #include <mach/pxa27x-udc.h> | |
f0a83701 | 53 | #include <plat/i2c.h> |
8e7ccddf | 54 | #include <mach/camera.h> |
80748fb8 | 55 | #include <mach/audio.h> |
8e7ccddf | 56 | #include <media/soc_camera.h> |
eda6f6ec RJ |
57 | |
58 | #include <mach/mioa701.h> | |
59 | ||
60 | #include "generic.h" | |
61 | #include "devices.h" | |
62 | ||
63 | static unsigned long mioa701_pin_config[] = { | |
64 | /* Mio global */ | |
c96763d4 | 65 | MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW), |
eda6f6ec RJ |
66 | MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW), |
67 | MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH), | |
68 | MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH), | |
c96763d4 | 69 | MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0), |
eda6f6ec RJ |
70 | |
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 */ | |
c96763d4 | 86 | MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0), |
eda6f6ec RJ |
87 | MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW), |
88 | ||
89 | /* LCD */ | |
bedbda97 | 90 | GPIOxx_LCD_TFT_16BPP, |
eda6f6ec | 91 | |
8e7ccddf RJ |
92 | /* 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 | ||
eda6f6ec | 106 | /* Bluetooth */ |
c96763d4 | 107 | MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0), |
eda6f6ec RJ |
108 | 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), | |
c96763d4 RJ |
113 | MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH), |
114 | MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH), | |
eda6f6ec RJ |
115 | |
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 */ | |
c11b6a42 EM |
141 | GPIO28_AC97_BITCLK, |
142 | GPIO29_AC97_SDATA_IN_0, | |
143 | GPIO30_AC97_SDATA_OUT, | |
144 | GPIO31_AC97_SYNC, | |
eda6f6ec RJ |
145 | 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 | ||
8e7ccddf RJ |
166 | /* I2C */ |
167 | GPIO117_I2C_SCL, | |
168 | GPIO118_I2C_SDA, | |
169 | ||
eda6f6ec | 170 | /* Unknown */ |
eda6f6ec RJ |
171 | 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), | |
eda6f6ec RJ |
176 | MFP_CFG_IN(GPIO96, AF0), |
177 | MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH), | |
178 | }; | |
179 | ||
180 | #define MIO_GPIO_IN(num, _desc) \ | |
181 | { .gpio = (num), .dir = 0, .desc = (_desc) } | |
182 | #define MIO_GPIO_OUT(num, _init, _desc) \ | |
183 | { .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) } | |
184 | struct gpio_ress { | |
185 | unsigned gpio : 8; | |
186 | unsigned dir : 1; | |
187 | unsigned init : 1; | |
188 | char *desc; | |
189 | }; | |
190 | ||
191 | static int mio_gpio_request(struct gpio_ress *gpios, int size) | |
192 | { | |
193 | int i, rc = 0; | |
194 | int gpio; | |
195 | int dir; | |
196 | ||
197 | for (i = 0; (!rc) && (i < size); i++) { | |
198 | gpio = gpios[i].gpio; | |
199 | dir = gpios[i].dir; | |
200 | rc = gpio_request(gpio, gpios[i].desc); | |
201 | if (rc) { | |
202 | printk(KERN_ERR "Error requesting GPIO %d(%s) : %d\n", | |
203 | gpio, gpios[i].desc, rc); | |
204 | continue; | |
205 | } | |
206 | if (dir) | |
207 | gpio_direction_output(gpio, gpios[i].init); | |
208 | else | |
209 | gpio_direction_input(gpio); | |
210 | } | |
211 | while ((rc) && (--i >= 0)) | |
212 | gpio_free(gpios[i].gpio); | |
213 | return rc; | |
214 | } | |
215 | ||
216 | static void mio_gpio_free(struct gpio_ress *gpios, int size) | |
217 | { | |
218 | int i; | |
219 | ||
220 | for (i = 0; i < size; i++) | |
221 | gpio_free(gpios[i].gpio); | |
222 | } | |
223 | ||
224 | /* LCD Screen and Backlight */ | |
225 | static struct platform_pwm_backlight_data mioa701_backlight_data = { | |
226 | .pwm_id = 0, | |
227 | .max_brightness = 100, | |
228 | .dft_brightness = 50, | |
229 | .pwm_period_ns = 4000 * 1024, /* Fl = 250kHz */ | |
230 | }; | |
231 | ||
232 | /* | |
233 | * LTM0305A776C LCD panel timings | |
234 | * | |
235 | * see: | |
236 | * - the LTM0305A776C datasheet, | |
237 | * - and the PXA27x Programmers' manual | |
238 | */ | |
239 | static struct pxafb_mode_info mioa701_ltm0305a776c = { | |
240 | .pixclock = 220000, /* CLK=4.545 MHz */ | |
241 | .xres = 240, | |
242 | .yres = 320, | |
243 | .bpp = 16, | |
244 | .hsync_len = 4, | |
245 | .vsync_len = 2, | |
246 | .left_margin = 6, | |
247 | .right_margin = 4, | |
248 | .upper_margin = 5, | |
249 | .lower_margin = 3, | |
250 | }; | |
251 | ||
252 | static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si) | |
253 | { | |
254 | gpio_set_value(GPIO87_LCD_POWER, on); | |
255 | } | |
256 | ||
257 | static struct pxafb_mach_info mioa701_pxafb_info = { | |
258 | .modes = &mioa701_ltm0305a776c, | |
259 | .num_modes = 1, | |
260 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, | |
261 | .pxafb_lcd_power = mioa701_lcd_power, | |
262 | }; | |
263 | ||
264 | /* | |
265 | * Keyboard configuration | |
266 | */ | |
267 | static unsigned int mioa701_matrix_keys[] = { | |
268 | KEY(0, 0, KEY_UP), | |
269 | KEY(0, 1, KEY_RIGHT), | |
270 | KEY(0, 2, KEY_MEDIA), | |
271 | KEY(1, 0, KEY_DOWN), | |
272 | KEY(1, 1, KEY_ENTER), | |
273 | KEY(1, 2, KEY_CONNECT), /* GPS key */ | |
274 | KEY(2, 0, KEY_LEFT), | |
275 | KEY(2, 1, KEY_PHONE), /* Phone Green key */ | |
276 | KEY(2, 2, KEY_CAMERA) /* Camera key */ | |
277 | }; | |
278 | static struct pxa27x_keypad_platform_data mioa701_keypad_info = { | |
279 | .matrix_key_rows = 3, | |
280 | .matrix_key_cols = 3, | |
281 | .matrix_key_map = mioa701_matrix_keys, | |
282 | .matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys), | |
283 | }; | |
284 | ||
285 | /* | |
286 | * GPIO Key Configuration | |
287 | */ | |
288 | #define MIO_KEY(key, _gpio, _desc, _wakeup) \ | |
289 | { .code = (key), .gpio = (_gpio), .active_low = 0, \ | |
290 | .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) } | |
291 | static struct gpio_keys_button mioa701_button_table[] = { | |
292 | MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1), | |
293 | MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0), | |
294 | MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0), | |
295 | MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0) | |
296 | }; | |
297 | ||
298 | static struct gpio_keys_platform_data mioa701_gpio_keys_data = { | |
299 | .buttons = mioa701_button_table, | |
300 | .nbuttons = ARRAY_SIZE(mioa701_button_table), | |
301 | }; | |
302 | ||
303 | /* | |
304 | * Leds and vibrator | |
305 | */ | |
306 | #define ONE_LED(_gpio, _name) \ | |
307 | { .gpio = (_gpio), .name = (_name), .active_low = true } | |
308 | static struct gpio_led gpio_leds[] = { | |
309 | ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"), | |
310 | ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"), | |
311 | ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"), | |
312 | ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"), | |
313 | ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard") | |
314 | }; | |
315 | ||
316 | static struct gpio_led_platform_data gpio_led_info = { | |
317 | .leds = gpio_leds, | |
318 | .num_leds = ARRAY_SIZE(gpio_leds), | |
319 | }; | |
320 | ||
321 | /* | |
322 | * GSM Sagem XS200 chip | |
323 | * | |
324 | * GSM handling was purged from kernel. For history, this is the way to go : | |
325 | * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1 | |
326 | * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1 | |
327 | * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100), | |
328 | * GPIO24_GSM_MOD_RESET_CMD = 0 | |
329 | * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000), | |
330 | * GPIO88_GSM_nMOD_ON_CMD = 1 | |
331 | * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000), | |
332 | * GPIO90_GSM_nMOD_OFF_CMD = 1 | |
333 | */ | |
334 | static int is_gsm_on(void) | |
335 | { | |
336 | int is_on; | |
337 | ||
338 | is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE); | |
339 | return is_on; | |
340 | } | |
341 | ||
342 | irqreturn_t gsm_on_irq(int irq, void *p) | |
343 | { | |
344 | printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n", | |
345 | is_gsm_on() ? "on" : "off"); | |
346 | return IRQ_HANDLED; | |
347 | } | |
348 | ||
349 | struct gpio_ress gsm_gpios[] = { | |
350 | MIO_GPIO_IN(GPIO25_GSM_MOD_ON_STATE, "GSM state"), | |
351 | MIO_GPIO_IN(GPIO113_GSM_EVENT, "GSM event"), | |
352 | }; | |
353 | ||
354 | static int __init gsm_init(void) | |
355 | { | |
356 | int rc; | |
357 | ||
358 | rc = mio_gpio_request(ARRAY_AND_SIZE(gsm_gpios)); | |
359 | if (rc) | |
360 | goto err_gpio; | |
361 | rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq, | |
362 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, | |
363 | "GSM XS200 Power Irq", NULL); | |
364 | if (rc) | |
365 | goto err_irq; | |
366 | ||
367 | gpio_set_wake(GPIO113_GSM_EVENT, 1); | |
368 | return 0; | |
369 | ||
370 | err_irq: | |
371 | printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n"); | |
372 | mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios)); | |
373 | err_gpio: | |
374 | printk(KERN_ERR "Mioa701: gsm not available\n"); | |
375 | return rc; | |
376 | } | |
377 | ||
378 | static void gsm_exit(void) | |
379 | { | |
380 | free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL); | |
381 | mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios)); | |
382 | } | |
383 | ||
384 | /* | |
385 | * Bluetooth BRF6150 chip | |
386 | * | |
387 | * BT handling was purged from kernel. For history, this is the way to go : | |
388 | * - turn on : GPIO83_BT_ON = 1 | |
389 | * - turn off : GPIO83_BT_ON = 0 | |
390 | */ | |
391 | ||
392 | /* | |
393 | * GPS Sirf Star III chip | |
394 | * | |
395 | * GPS handling was purged from kernel. For history, this is the way to go : | |
396 | * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0 | |
397 | * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0 | |
398 | * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1 | |
399 | * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0 | |
400 | */ | |
401 | ||
402 | /* | |
403 | * USB UDC | |
404 | */ | |
eda6f6ec RJ |
405 | static int is_usb_connected(void) |
406 | { | |
c96763d4 | 407 | return !gpio_get_value(GPIO13_nUSB_DETECT); |
eda6f6ec RJ |
408 | } |
409 | ||
410 | static struct pxa2xx_udc_mach_info mioa701_udc_info = { | |
411 | .udc_is_connected = is_usb_connected, | |
cefdb2a4 | 412 | .gpio_pullup = GPIO22_USB_ENABLE, |
eda6f6ec RJ |
413 | }; |
414 | ||
689b4feb RJ |
415 | struct gpio_vbus_mach_info gpio_vbus_data = { |
416 | .gpio_vbus = GPIO13_nUSB_DETECT, | |
417 | .gpio_vbus_inverted = 1, | |
418 | .gpio_pullup = -1, | |
419 | }; | |
420 | ||
eda6f6ec RJ |
421 | /* |
422 | * SDIO/MMC Card controller | |
423 | */ | |
eda6f6ec RJ |
424 | /** |
425 | * The card detect interrupt isn't debounced so we delay it by 250ms | |
426 | * to give the card a chance to fully insert/eject. | |
427 | */ | |
eda6f6ec | 428 | static struct pxamci_platform_data mioa701_mci_info = { |
7a648256 RJ |
429 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
430 | .gpio_card_detect = GPIO15_SDIO_INSERT, | |
431 | .gpio_card_ro = GPIO78_SDIO_RO, | |
432 | .gpio_power = GPIO91_SDIO_EN, | |
eda6f6ec RJ |
433 | }; |
434 | ||
435 | /* FlashRAM */ | |
436 | static struct resource strataflash_resource = { | |
437 | .start = PXA_CS0_PHYS, | |
438 | .end = PXA_CS0_PHYS + SZ_64M - 1, | |
439 | .flags = IORESOURCE_MEM, | |
440 | }; | |
441 | ||
442 | static struct physmap_flash_data strataflash_data = { | |
443 | .width = 2, | |
444 | /* .set_vpp = mioa701_set_vpp, */ | |
445 | }; | |
446 | ||
447 | static struct platform_device strataflash = { | |
448 | .name = "physmap-flash", | |
449 | .id = -1, | |
450 | .resource = &strataflash_resource, | |
451 | .num_resources = 1, | |
452 | .dev = { | |
453 | .platform_data = &strataflash_data, | |
454 | }, | |
455 | }; | |
456 | ||
457 | /* | |
458 | * Suspend/Resume bootstrap management | |
459 | * | |
460 | * MIO A701 reboot sequence is highly ROM dependant. From the one dissassembled, | |
461 | * this sequence is as follows : | |
462 | * - disables interrupts | |
463 | * - initialize SDRAM (self refresh RAM into active RAM) | |
464 | * - initialize GPIOs (depends on value at 0xa020b020) | |
465 | * - initialize coprossessors | |
466 | * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start | |
467 | * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start | |
468 | * - else do a resume, ie. jump to addr 0xa0100000 | |
469 | */ | |
470 | #define RESUME_ENABLE_ADDR 0xa020b000 | |
471 | #define RESUME_ENABLE_VAL 0x0f0f0f0f | |
472 | #define RESUME_BT_ADDR 0xa020b020 | |
473 | #define RESUME_UNKNOWN_ADDR 0xa020b024 | |
474 | #define RESUME_VECTOR_ADDR 0xa0100000 | |
475 | #define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4 | |
476 | ||
477 | static u32 *save_buffer; | |
478 | ||
479 | static void install_bootstrap(void) | |
480 | { | |
481 | int i; | |
482 | u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR); | |
483 | u32 *src = &mioa701_bootstrap; | |
484 | ||
485 | for (i = 0; i < BOOTSTRAP_WORDS; i++) | |
486 | rom_bootstrap[i] = src[i]; | |
487 | } | |
488 | ||
489 | ||
490 | static int mioa701_sys_suspend(struct sys_device *sysdev, pm_message_t state) | |
491 | { | |
492 | int i = 0, is_bt_on; | |
493 | u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR); | |
494 | u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR); | |
495 | u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR); | |
496 | u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR); | |
497 | ||
498 | /* Devices prepare suspend */ | |
844c6f6a | 499 | is_bt_on = !!gpio_get_value(GPIO83_BT_ON); |
eda6f6ec RJ |
500 | pxa2xx_mfp_set_lpm(GPIO83_BT_ON, |
501 | is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW); | |
502 | ||
503 | for (i = 0; i < BOOTSTRAP_WORDS; i++) | |
504 | save_buffer[i] = mem_resume_vector[i]; | |
505 | save_buffer[i++] = *mem_resume_enabler; | |
506 | save_buffer[i++] = *mem_resume_bt; | |
507 | save_buffer[i++] = *mem_resume_unknown; | |
508 | ||
509 | *mem_resume_enabler = RESUME_ENABLE_VAL; | |
510 | *mem_resume_bt = is_bt_on; | |
511 | ||
512 | install_bootstrap(); | |
513 | return 0; | |
514 | } | |
515 | ||
516 | static int mioa701_sys_resume(struct sys_device *sysdev) | |
517 | { | |
518 | int i = 0; | |
519 | u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR); | |
520 | u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR); | |
521 | u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR); | |
522 | u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR); | |
523 | ||
524 | for (i = 0; i < BOOTSTRAP_WORDS; i++) | |
525 | mem_resume_vector[i] = save_buffer[i]; | |
526 | *mem_resume_enabler = save_buffer[i++]; | |
527 | *mem_resume_bt = save_buffer[i++]; | |
528 | *mem_resume_unknown = save_buffer[i++]; | |
529 | ||
530 | return 0; | |
531 | } | |
532 | ||
533 | static struct sysdev_class mioa701_sysclass = { | |
534 | .name = "mioa701", | |
535 | }; | |
536 | ||
537 | static struct sys_device sysdev_bootstrap = { | |
538 | .cls = &mioa701_sysclass, | |
539 | }; | |
540 | ||
541 | static struct sysdev_driver driver_bootstrap = { | |
542 | .suspend = &mioa701_sys_suspend, | |
543 | .resume = &mioa701_sys_resume, | |
544 | }; | |
545 | ||
546 | static int __init bootstrap_init(void) | |
547 | { | |
548 | int rc; | |
549 | int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3); | |
550 | ||
551 | rc = sysdev_class_register(&mioa701_sysclass); | |
552 | if (rc) { | |
553 | printk(KERN_ERR "Failed registering mioa701 sys class\n"); | |
554 | return -ENODEV; | |
555 | } | |
556 | rc = sysdev_register(&sysdev_bootstrap); | |
557 | if (rc) { | |
558 | printk(KERN_ERR "Failed registering mioa701 sys device\n"); | |
559 | return -ENODEV; | |
560 | } | |
561 | rc = sysdev_driver_register(&mioa701_sysclass, &driver_bootstrap); | |
562 | if (rc) { | |
563 | printk(KERN_ERR "Failed registering PMU sys driver\n"); | |
564 | return -ENODEV; | |
565 | } | |
566 | ||
567 | save_buffer = kmalloc(save_size, GFP_KERNEL); | |
568 | if (!save_buffer) | |
569 | return -ENOMEM; | |
570 | printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n", | |
571 | save_size); | |
572 | return 0; | |
573 | } | |
574 | ||
575 | static void bootstrap_exit(void) | |
576 | { | |
577 | kfree(save_buffer); | |
578 | sysdev_driver_unregister(&mioa701_sysclass, &driver_bootstrap); | |
579 | sysdev_unregister(&sysdev_bootstrap); | |
580 | sysdev_class_unregister(&mioa701_sysclass); | |
581 | ||
582 | printk(KERN_CRIT "Unregistering mioa701 suspend will hang next" | |
583 | "resume !!!\n"); | |
584 | } | |
585 | ||
586 | /* | |
587 | * Power Supply | |
588 | */ | |
589 | static char *supplicants[] = { | |
590 | "mioa701_battery" | |
591 | }; | |
592 | ||
4aa89f97 RJ |
593 | static int is_ac_connected(void) |
594 | { | |
595 | return gpio_get_value(GPIO96_AC_DETECT); | |
596 | } | |
597 | ||
eda6f6ec RJ |
598 | static void mioa701_set_charge(int flags) |
599 | { | |
c96763d4 | 600 | gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB)); |
eda6f6ec RJ |
601 | } |
602 | ||
603 | static struct pda_power_pdata power_pdata = { | |
4aa89f97 RJ |
604 | .is_ac_online = is_ac_connected, |
605 | .is_usb_online = is_usb_connected, | |
eda6f6ec RJ |
606 | .set_charge = mioa701_set_charge, |
607 | .supplied_to = supplicants, | |
608 | .num_supplicants = ARRAY_SIZE(supplicants), | |
609 | }; | |
610 | ||
611 | static struct resource power_resources[] = { | |
612 | [0] = { | |
613 | .name = "ac", | |
4aa89f97 RJ |
614 | .start = gpio_to_irq(GPIO96_AC_DETECT), |
615 | .end = gpio_to_irq(GPIO96_AC_DETECT), | |
616 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | | |
617 | IORESOURCE_IRQ_LOWEDGE, | |
618 | }, | |
619 | [1] = { | |
620 | .name = "usb", | |
c96763d4 RJ |
621 | .start = gpio_to_irq(GPIO13_nUSB_DETECT), |
622 | .end = gpio_to_irq(GPIO13_nUSB_DETECT), | |
eda6f6ec RJ |
623 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | |
624 | IORESOURCE_IRQ_LOWEDGE, | |
625 | }, | |
626 | }; | |
627 | ||
628 | static struct platform_device power_dev = { | |
629 | .name = "pda-power", | |
630 | .id = -1, | |
631 | .resource = power_resources, | |
632 | .num_resources = ARRAY_SIZE(power_resources), | |
633 | .dev = { | |
634 | .platform_data = &power_pdata, | |
635 | }, | |
636 | }; | |
637 | ||
4aa89f97 RJ |
638 | static struct wm97xx_batt_info mioa701_battery_data = { |
639 | .batt_aux = WM97XX_AUX_ID1, | |
640 | .temp_aux = -1, | |
641 | .charge_gpio = -1, | |
642 | .min_voltage = 0xc00, | |
643 | .max_voltage = 0xfc0, | |
644 | .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION, | |
645 | .batt_div = 1, | |
646 | .batt_mult = 1, | |
647 | .batt_name = "mioa701_battery", | |
eda6f6ec RJ |
648 | }; |
649 | ||
9752e148 RJ |
650 | /* |
651 | * Voltage regulation | |
652 | */ | |
653 | static struct regulator_consumer_supply max1586_consumers[] = { | |
654 | { | |
655 | .supply = "vcc_core", | |
656 | } | |
657 | }; | |
658 | ||
659 | static struct regulator_init_data max1586_v3_info = { | |
660 | .constraints = { | |
661 | .name = "vcc_core range", | |
662 | .min_uV = 1000000, | |
663 | .max_uV = 1705000, | |
664 | .always_on = 1, | |
665 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, | |
666 | }, | |
667 | .num_consumer_supplies = ARRAY_SIZE(max1586_consumers), | |
668 | .consumer_supplies = max1586_consumers, | |
669 | }; | |
670 | ||
671 | static struct max1586_subdev_data max1586_subdevs[] = { | |
672 | { .name = "vcc_core", .id = MAX1586_V3, | |
673 | .platform_data = &max1586_v3_info }, | |
674 | }; | |
675 | ||
676 | static struct max1586_platform_data max1586_info = { | |
677 | .subdevs = max1586_subdevs, | |
678 | .num_subdevs = ARRAY_SIZE(max1586_subdevs), | |
e567b74c | 679 | .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */ |
9752e148 RJ |
680 | }; |
681 | ||
8e7ccddf RJ |
682 | /* |
683 | * Camera interface | |
684 | */ | |
685 | struct pxacamera_platform_data mioa701_pxacamera_platform_data = { | |
686 | .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 | | |
687 | PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN, | |
688 | .mclk_10khz = 5000, | |
eda6f6ec RJ |
689 | }; |
690 | ||
9752e148 RJ |
691 | static struct i2c_board_info __initdata mioa701_pi2c_devices[] = { |
692 | { | |
693 | I2C_BOARD_INFO("max1586", 0x14), | |
694 | .platform_data = &max1586_info, | |
695 | }, | |
696 | }; | |
697 | ||
8e7ccddf RJ |
698 | /* Board I2C devices. */ |
699 | static struct i2c_board_info __initdata mioa701_i2c_devices[] = { | |
700 | { | |
8e7ccddf | 701 | I2C_BOARD_INFO("mt9m111", 0x5d), |
eda6f6ec | 702 | }, |
eda6f6ec RJ |
703 | }; |
704 | ||
a48c24a6 GL |
705 | static struct soc_camera_link iclink = { |
706 | .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */ | |
707 | .board_info = &mioa701_i2c_devices[0], | |
708 | .i2c_adapter_id = 0, | |
709 | .module_name = "mt9m111", | |
710 | }; | |
711 | ||
8e7ccddf RJ |
712 | struct i2c_pxa_platform_data i2c_pdata = { |
713 | .fast_mode = 1, | |
714 | }; | |
eda6f6ec | 715 | |
cc8d2730 RJ |
716 | static pxa2xx_audio_ops_t mioa701_ac97_info = { |
717 | .reset_gpio = 95, | |
718 | }; | |
719 | ||
eda6f6ec RJ |
720 | /* |
721 | * Mio global | |
722 | */ | |
723 | ||
724 | /* Devices */ | |
725 | #define MIO_PARENT_DEV(var, strname, tparent, pdata) \ | |
726 | static struct platform_device var = { \ | |
727 | .name = strname, \ | |
728 | .id = -1, \ | |
729 | .dev = { \ | |
730 | .platform_data = pdata, \ | |
731 | .parent = tparent, \ | |
732 | }, \ | |
733 | }; | |
734 | #define MIO_SIMPLE_DEV(var, strname, pdata) \ | |
735 | MIO_PARENT_DEV(var, strname, NULL, pdata) | |
736 | ||
737 | MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data) | |
738 | MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev, | |
739 | &mioa701_backlight_data); | |
740 | MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info) | |
741 | MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL) | |
eda6f6ec RJ |
742 | MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL) |
743 | MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL) | |
689b4feb | 744 | MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data); |
a48c24a6 | 745 | MIO_SIMPLE_DEV(mioa701_camera, "soc-camera-pdrv",&iclink); |
eda6f6ec RJ |
746 | |
747 | static struct platform_device *devices[] __initdata = { | |
748 | &mioa701_gpio_keys, | |
749 | &mioa701_backlight, | |
750 | &mioa701_led, | |
751 | &pxa2xx_pcm, | |
eda6f6ec RJ |
752 | &mioa701_sound, |
753 | &power_dev, | |
754 | &strataflash, | |
689b4feb | 755 | &gpio_vbus, |
a48c24a6 | 756 | &mioa701_camera, |
689b4feb | 757 | &mioa701_board, |
eda6f6ec RJ |
758 | }; |
759 | ||
760 | static void mioa701_machine_exit(void); | |
761 | ||
762 | static void mioa701_poweroff(void) | |
763 | { | |
764 | mioa701_machine_exit(); | |
be093beb | 765 | arm_machine_restart('s', NULL); |
eda6f6ec RJ |
766 | } |
767 | ||
be093beb | 768 | static void mioa701_restart(char c, const char *cmd) |
eda6f6ec RJ |
769 | { |
770 | mioa701_machine_exit(); | |
be093beb | 771 | arm_machine_restart('s', cmd); |
eda6f6ec RJ |
772 | } |
773 | ||
18473473 | 774 | static struct gpio_ress global_gpios[] = { |
c96763d4 | 775 | MIO_GPIO_OUT(GPIO9_CHARGE_EN, 1, "Charger enable"), |
eda6f6ec | 776 | MIO_GPIO_OUT(GPIO18_POWEROFF, 0, "Power Off"), |
7a648256 | 777 | MIO_GPIO_OUT(GPIO87_LCD_POWER, 0, "LCD Power"), |
eda6f6ec RJ |
778 | }; |
779 | ||
780 | static void __init mioa701_machine_init(void) | |
781 | { | |
782 | PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */ | |
783 | PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE; | |
784 | RTTR = 32768 - 1; /* Reset crazy WinCE value */ | |
785 | UP2OCR = UP2OCR_HXOE; | |
786 | ||
787 | pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config)); | |
cc155c6f RK |
788 | pxa_set_ffuart_info(NULL); |
789 | pxa_set_btuart_info(NULL); | |
790 | pxa_set_stuart_info(NULL); | |
eda6f6ec RJ |
791 | mio_gpio_request(ARRAY_AND_SIZE(global_gpios)); |
792 | bootstrap_init(); | |
793 | set_pxa_fb_info(&mioa701_pxafb_info); | |
7a648256 | 794 | mioa701_mci_info.detect_delay = msecs_to_jiffies(250); |
eda6f6ec RJ |
795 | pxa_set_mci_info(&mioa701_mci_info); |
796 | pxa_set_keypad_info(&mioa701_keypad_info); | |
4aa89f97 | 797 | wm97xx_bat_set_pdata(&mioa701_battery_data); |
cefdb2a4 | 798 | pxa_set_udc_info(&mioa701_udc_info); |
cc8d2730 | 799 | pxa_set_ac97_info(&mioa701_ac97_info); |
eda6f6ec RJ |
800 | pm_power_off = mioa701_poweroff; |
801 | arm_pm_restart = mioa701_restart; | |
802 | platform_add_devices(devices, ARRAY_SIZE(devices)); | |
803 | gsm_init(); | |
8e7ccddf | 804 | |
9752e148 | 805 | i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices)); |
8e7ccddf | 806 | pxa_set_i2c_info(&i2c_pdata); |
9752e148 | 807 | pxa27x_set_i2c_power_info(NULL); |
8e7ccddf | 808 | pxa_set_camera_info(&mioa701_pxacamera_platform_data); |
eda6f6ec RJ |
809 | } |
810 | ||
811 | static void mioa701_machine_exit(void) | |
812 | { | |
eda6f6ec RJ |
813 | bootstrap_exit(); |
814 | gsm_exit(); | |
815 | } | |
816 | ||
817 | MACHINE_START(MIOA701, "MIO A701") | |
818 | .phys_io = 0x40000000, | |
819 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | |
820 | .boot_params = 0xa0000100, | |
821 | .map_io = &pxa_map_io, | |
822 | .init_irq = &pxa27x_init_irq, | |
823 | .init_machine = mioa701_machine_init, | |
824 | .timer = &pxa_timer, | |
825 | MACHINE_END |