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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> |
eda6f6ec RJ |
40 | |
41 | #include <asm/mach-types.h> | |
42 | #include <asm/mach/arch.h> | |
51c62982 EM |
43 | |
44 | #include <mach/pxa27x.h> | |
5bf3df3f | 45 | #include <mach/regs-rtc.h> |
eda6f6ec RJ |
46 | #include <mach/pxa27x_keypad.h> |
47 | #include <mach/pxafb.h> | |
eda6f6ec RJ |
48 | #include <mach/mmc.h> |
49 | #include <mach/udc.h> | |
50 | #include <mach/pxa27x-udc.h> | |
8e7ccddf RJ |
51 | #include <mach/i2c.h> |
52 | #include <mach/camera.h> | |
53 | #include <media/soc_camera.h> | |
eda6f6ec RJ |
54 | |
55 | #include <mach/mioa701.h> | |
56 | ||
57 | #include "generic.h" | |
58 | #include "devices.h" | |
59 | ||
60 | static unsigned long mioa701_pin_config[] = { | |
61 | /* Mio global */ | |
c96763d4 | 62 | MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW), |
eda6f6ec RJ |
63 | MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW), |
64 | MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH), | |
65 | MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH), | |
c96763d4 | 66 | MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0), |
eda6f6ec RJ |
67 | |
68 | /* Backlight PWM 0 */ | |
69 | GPIO16_PWM0_OUT, | |
70 | ||
71 | /* MMC */ | |
72 | GPIO32_MMC_CLK, | |
73 | GPIO92_MMC_DAT_0, | |
74 | GPIO109_MMC_DAT_1, | |
75 | GPIO110_MMC_DAT_2, | |
76 | GPIO111_MMC_DAT_3, | |
77 | GPIO112_MMC_CMD, | |
78 | MIO_CFG_IN(GPIO78_SDIO_RO, AF0), | |
79 | MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0), | |
80 | MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW), | |
81 | ||
82 | /* USB */ | |
c96763d4 | 83 | MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0), |
eda6f6ec RJ |
84 | MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW), |
85 | ||
86 | /* LCD */ | |
87 | GPIO58_LCD_LDD_0, | |
88 | GPIO59_LCD_LDD_1, | |
89 | GPIO60_LCD_LDD_2, | |
90 | GPIO61_LCD_LDD_3, | |
91 | GPIO62_LCD_LDD_4, | |
92 | GPIO63_LCD_LDD_5, | |
93 | GPIO64_LCD_LDD_6, | |
94 | GPIO65_LCD_LDD_7, | |
95 | GPIO66_LCD_LDD_8, | |
96 | GPIO67_LCD_LDD_9, | |
97 | GPIO68_LCD_LDD_10, | |
98 | GPIO69_LCD_LDD_11, | |
99 | GPIO70_LCD_LDD_12, | |
100 | GPIO71_LCD_LDD_13, | |
101 | GPIO72_LCD_LDD_14, | |
102 | GPIO73_LCD_LDD_15, | |
103 | GPIO74_LCD_FCLK, | |
104 | GPIO75_LCD_LCLK, | |
105 | GPIO76_LCD_PCLK, | |
106 | ||
8e7ccddf RJ |
107 | /* QCI */ |
108 | GPIO12_CIF_DD_7, | |
109 | GPIO17_CIF_DD_6, | |
110 | GPIO50_CIF_DD_3, | |
111 | GPIO51_CIF_DD_2, | |
112 | GPIO52_CIF_DD_4, | |
113 | GPIO53_CIF_MCLK, | |
114 | GPIO54_CIF_PCLK, | |
115 | GPIO55_CIF_DD_1, | |
116 | GPIO81_CIF_DD_0, | |
117 | GPIO82_CIF_DD_5, | |
118 | GPIO84_CIF_FV, | |
119 | GPIO85_CIF_LV, | |
120 | ||
eda6f6ec | 121 | /* Bluetooth */ |
c96763d4 | 122 | MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0), |
eda6f6ec RJ |
123 | GPIO44_BTUART_CTS, |
124 | GPIO42_BTUART_RXD, | |
125 | GPIO45_BTUART_RTS, | |
126 | GPIO43_BTUART_TXD, | |
127 | MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW), | |
c96763d4 RJ |
128 | MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH), |
129 | MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH), | |
eda6f6ec RJ |
130 | |
131 | /* GPS */ | |
132 | MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW), | |
133 | MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW), | |
134 | MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW), | |
135 | MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW), | |
136 | MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW), | |
137 | GPIO46_STUART_RXD, | |
138 | GPIO47_STUART_TXD, | |
139 | ||
140 | /* GSM */ | |
141 | MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW), | |
142 | MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH), | |
143 | MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH), | |
144 | MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH), | |
145 | MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0), | |
146 | MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH, | |
147 | GPIO34_FFUART_RXD, | |
148 | GPIO35_FFUART_CTS, | |
149 | GPIO36_FFUART_DCD, | |
150 | GPIO37_FFUART_DSR, | |
151 | GPIO39_FFUART_TXD, | |
152 | GPIO40_FFUART_DTR, | |
153 | GPIO41_FFUART_RTS, | |
154 | ||
155 | /* Sound */ | |
156 | GPIO89_AC97_SYSCLK, | |
157 | MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0), | |
158 | ||
159 | /* Leds */ | |
160 | MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH), | |
161 | MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH), | |
162 | MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH), | |
163 | MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH), | |
164 | MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH), | |
165 | ||
166 | /* Keyboard */ | |
167 | MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH, | |
168 | MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0), | |
169 | MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0), | |
170 | GPIO100_KP_MKIN_0, | |
171 | GPIO101_KP_MKIN_1, | |
172 | GPIO102_KP_MKIN_2, | |
173 | GPIO103_KP_MKOUT_0, | |
174 | GPIO104_KP_MKOUT_1, | |
175 | GPIO105_KP_MKOUT_2, | |
176 | ||
8e7ccddf RJ |
177 | /* I2C */ |
178 | GPIO117_I2C_SCL, | |
179 | GPIO118_I2C_SDA, | |
180 | ||
eda6f6ec | 181 | /* Unknown */ |
eda6f6ec RJ |
182 | MFP_CFG_IN(GPIO20, AF0), |
183 | MFP_CFG_IN(GPIO21, AF0), | |
184 | MFP_CFG_IN(GPIO33, AF0), | |
185 | MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH), | |
186 | MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH), | |
eda6f6ec RJ |
187 | MFP_CFG_IN(GPIO96, AF0), |
188 | MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH), | |
189 | }; | |
190 | ||
191 | #define MIO_GPIO_IN(num, _desc) \ | |
192 | { .gpio = (num), .dir = 0, .desc = (_desc) } | |
193 | #define MIO_GPIO_OUT(num, _init, _desc) \ | |
194 | { .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) } | |
195 | struct gpio_ress { | |
196 | unsigned gpio : 8; | |
197 | unsigned dir : 1; | |
198 | unsigned init : 1; | |
199 | char *desc; | |
200 | }; | |
201 | ||
202 | static int mio_gpio_request(struct gpio_ress *gpios, int size) | |
203 | { | |
204 | int i, rc = 0; | |
205 | int gpio; | |
206 | int dir; | |
207 | ||
208 | for (i = 0; (!rc) && (i < size); i++) { | |
209 | gpio = gpios[i].gpio; | |
210 | dir = gpios[i].dir; | |
211 | rc = gpio_request(gpio, gpios[i].desc); | |
212 | if (rc) { | |
213 | printk(KERN_ERR "Error requesting GPIO %d(%s) : %d\n", | |
214 | gpio, gpios[i].desc, rc); | |
215 | continue; | |
216 | } | |
217 | if (dir) | |
218 | gpio_direction_output(gpio, gpios[i].init); | |
219 | else | |
220 | gpio_direction_input(gpio); | |
221 | } | |
222 | while ((rc) && (--i >= 0)) | |
223 | gpio_free(gpios[i].gpio); | |
224 | return rc; | |
225 | } | |
226 | ||
227 | static void mio_gpio_free(struct gpio_ress *gpios, int size) | |
228 | { | |
229 | int i; | |
230 | ||
231 | for (i = 0; i < size; i++) | |
232 | gpio_free(gpios[i].gpio); | |
233 | } | |
234 | ||
235 | /* LCD Screen and Backlight */ | |
236 | static struct platform_pwm_backlight_data mioa701_backlight_data = { | |
237 | .pwm_id = 0, | |
238 | .max_brightness = 100, | |
239 | .dft_brightness = 50, | |
240 | .pwm_period_ns = 4000 * 1024, /* Fl = 250kHz */ | |
241 | }; | |
242 | ||
243 | /* | |
244 | * LTM0305A776C LCD panel timings | |
245 | * | |
246 | * see: | |
247 | * - the LTM0305A776C datasheet, | |
248 | * - and the PXA27x Programmers' manual | |
249 | */ | |
250 | static struct pxafb_mode_info mioa701_ltm0305a776c = { | |
251 | .pixclock = 220000, /* CLK=4.545 MHz */ | |
252 | .xres = 240, | |
253 | .yres = 320, | |
254 | .bpp = 16, | |
255 | .hsync_len = 4, | |
256 | .vsync_len = 2, | |
257 | .left_margin = 6, | |
258 | .right_margin = 4, | |
259 | .upper_margin = 5, | |
260 | .lower_margin = 3, | |
261 | }; | |
262 | ||
263 | static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si) | |
264 | { | |
265 | gpio_set_value(GPIO87_LCD_POWER, on); | |
266 | } | |
267 | ||
268 | static struct pxafb_mach_info mioa701_pxafb_info = { | |
269 | .modes = &mioa701_ltm0305a776c, | |
270 | .num_modes = 1, | |
271 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, | |
272 | .pxafb_lcd_power = mioa701_lcd_power, | |
273 | }; | |
274 | ||
275 | /* | |
276 | * Keyboard configuration | |
277 | */ | |
278 | static unsigned int mioa701_matrix_keys[] = { | |
279 | KEY(0, 0, KEY_UP), | |
280 | KEY(0, 1, KEY_RIGHT), | |
281 | KEY(0, 2, KEY_MEDIA), | |
282 | KEY(1, 0, KEY_DOWN), | |
283 | KEY(1, 1, KEY_ENTER), | |
284 | KEY(1, 2, KEY_CONNECT), /* GPS key */ | |
285 | KEY(2, 0, KEY_LEFT), | |
286 | KEY(2, 1, KEY_PHONE), /* Phone Green key */ | |
287 | KEY(2, 2, KEY_CAMERA) /* Camera key */ | |
288 | }; | |
289 | static struct pxa27x_keypad_platform_data mioa701_keypad_info = { | |
290 | .matrix_key_rows = 3, | |
291 | .matrix_key_cols = 3, | |
292 | .matrix_key_map = mioa701_matrix_keys, | |
293 | .matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys), | |
294 | }; | |
295 | ||
296 | /* | |
297 | * GPIO Key Configuration | |
298 | */ | |
299 | #define MIO_KEY(key, _gpio, _desc, _wakeup) \ | |
300 | { .code = (key), .gpio = (_gpio), .active_low = 0, \ | |
301 | .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) } | |
302 | static struct gpio_keys_button mioa701_button_table[] = { | |
303 | MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1), | |
304 | MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0), | |
305 | MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0), | |
306 | MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0) | |
307 | }; | |
308 | ||
309 | static struct gpio_keys_platform_data mioa701_gpio_keys_data = { | |
310 | .buttons = mioa701_button_table, | |
311 | .nbuttons = ARRAY_SIZE(mioa701_button_table), | |
312 | }; | |
313 | ||
314 | /* | |
315 | * Leds and vibrator | |
316 | */ | |
317 | #define ONE_LED(_gpio, _name) \ | |
318 | { .gpio = (_gpio), .name = (_name), .active_low = true } | |
319 | static struct gpio_led gpio_leds[] = { | |
320 | ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"), | |
321 | ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"), | |
322 | ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"), | |
323 | ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"), | |
324 | ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard") | |
325 | }; | |
326 | ||
327 | static struct gpio_led_platform_data gpio_led_info = { | |
328 | .leds = gpio_leds, | |
329 | .num_leds = ARRAY_SIZE(gpio_leds), | |
330 | }; | |
331 | ||
332 | /* | |
333 | * GSM Sagem XS200 chip | |
334 | * | |
335 | * GSM handling was purged from kernel. For history, this is the way to go : | |
336 | * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1 | |
337 | * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1 | |
338 | * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100), | |
339 | * GPIO24_GSM_MOD_RESET_CMD = 0 | |
340 | * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000), | |
341 | * GPIO88_GSM_nMOD_ON_CMD = 1 | |
342 | * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000), | |
343 | * GPIO90_GSM_nMOD_OFF_CMD = 1 | |
344 | */ | |
345 | static int is_gsm_on(void) | |
346 | { | |
347 | int is_on; | |
348 | ||
349 | is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE); | |
350 | return is_on; | |
351 | } | |
352 | ||
353 | irqreturn_t gsm_on_irq(int irq, void *p) | |
354 | { | |
355 | printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n", | |
356 | is_gsm_on() ? "on" : "off"); | |
357 | return IRQ_HANDLED; | |
358 | } | |
359 | ||
360 | struct gpio_ress gsm_gpios[] = { | |
361 | MIO_GPIO_IN(GPIO25_GSM_MOD_ON_STATE, "GSM state"), | |
362 | MIO_GPIO_IN(GPIO113_GSM_EVENT, "GSM event"), | |
363 | }; | |
364 | ||
365 | static int __init gsm_init(void) | |
366 | { | |
367 | int rc; | |
368 | ||
369 | rc = mio_gpio_request(ARRAY_AND_SIZE(gsm_gpios)); | |
370 | if (rc) | |
371 | goto err_gpio; | |
372 | rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq, | |
373 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, | |
374 | "GSM XS200 Power Irq", NULL); | |
375 | if (rc) | |
376 | goto err_irq; | |
377 | ||
378 | gpio_set_wake(GPIO113_GSM_EVENT, 1); | |
379 | return 0; | |
380 | ||
381 | err_irq: | |
382 | printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n"); | |
383 | mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios)); | |
384 | err_gpio: | |
385 | printk(KERN_ERR "Mioa701: gsm not available\n"); | |
386 | return rc; | |
387 | } | |
388 | ||
389 | static void gsm_exit(void) | |
390 | { | |
391 | free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL); | |
392 | mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios)); | |
393 | } | |
394 | ||
395 | /* | |
396 | * Bluetooth BRF6150 chip | |
397 | * | |
398 | * BT handling was purged from kernel. For history, this is the way to go : | |
399 | * - turn on : GPIO83_BT_ON = 1 | |
400 | * - turn off : GPIO83_BT_ON = 0 | |
401 | */ | |
402 | ||
403 | /* | |
404 | * GPS Sirf Star III chip | |
405 | * | |
406 | * GPS handling was purged from kernel. For history, this is the way to go : | |
407 | * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0 | |
408 | * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0 | |
409 | * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1 | |
410 | * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0 | |
411 | */ | |
412 | ||
413 | /* | |
414 | * USB UDC | |
415 | */ | |
eda6f6ec RJ |
416 | static int is_usb_connected(void) |
417 | { | |
c96763d4 | 418 | return !gpio_get_value(GPIO13_nUSB_DETECT); |
eda6f6ec RJ |
419 | } |
420 | ||
421 | static struct pxa2xx_udc_mach_info mioa701_udc_info = { | |
422 | .udc_is_connected = is_usb_connected, | |
cefdb2a4 | 423 | .gpio_pullup = GPIO22_USB_ENABLE, |
eda6f6ec RJ |
424 | }; |
425 | ||
689b4feb RJ |
426 | struct gpio_vbus_mach_info gpio_vbus_data = { |
427 | .gpio_vbus = GPIO13_nUSB_DETECT, | |
428 | .gpio_vbus_inverted = 1, | |
429 | .gpio_pullup = -1, | |
430 | }; | |
431 | ||
eda6f6ec RJ |
432 | /* |
433 | * SDIO/MMC Card controller | |
434 | */ | |
435 | static void mci_setpower(struct device *dev, unsigned int vdd) | |
436 | { | |
437 | struct pxamci_platform_data *p_d = dev->platform_data; | |
438 | ||
439 | if ((1 << vdd) & p_d->ocr_mask) | |
440 | gpio_set_value(GPIO91_SDIO_EN, 1); /* enable SDIO power */ | |
441 | else | |
442 | gpio_set_value(GPIO91_SDIO_EN, 0); /* disable SDIO power */ | |
443 | } | |
444 | ||
445 | static int mci_get_ro(struct device *dev) | |
446 | { | |
447 | return gpio_get_value(GPIO78_SDIO_RO); | |
448 | } | |
449 | ||
450 | struct gpio_ress mci_gpios[] = { | |
451 | MIO_GPIO_IN(GPIO78_SDIO_RO, "SDIO readonly detect"), | |
452 | MIO_GPIO_IN(GPIO15_SDIO_INSERT, "SDIO insertion detect"), | |
453 | MIO_GPIO_OUT(GPIO91_SDIO_EN, 0, "SDIO power enable") | |
454 | }; | |
455 | ||
456 | static void mci_exit(struct device *dev, void *data) | |
457 | { | |
458 | mio_gpio_free(ARRAY_AND_SIZE(mci_gpios)); | |
459 | free_irq(gpio_to_irq(GPIO15_SDIO_INSERT), data); | |
460 | } | |
461 | ||
462 | static struct pxamci_platform_data mioa701_mci_info; | |
463 | ||
464 | /** | |
465 | * The card detect interrupt isn't debounced so we delay it by 250ms | |
466 | * to give the card a chance to fully insert/eject. | |
467 | */ | |
468 | static int mci_init(struct device *dev, irq_handler_t detect_int, void *data) | |
469 | { | |
470 | int rc; | |
471 | int irq = gpio_to_irq(GPIO15_SDIO_INSERT); | |
472 | ||
473 | rc = mio_gpio_request(ARRAY_AND_SIZE(mci_gpios)); | |
474 | if (rc) | |
475 | goto err_gpio; | |
476 | /* enable RE/FE interrupt on card insertion and removal */ | |
477 | rc = request_irq(irq, detect_int, | |
478 | IRQF_DISABLED | IRQF_TRIGGER_RISING | | |
479 | IRQF_TRIGGER_FALLING, | |
480 | "MMC card detect", data); | |
481 | if (rc) | |
482 | goto err_irq; | |
483 | ||
484 | mioa701_mci_info.detect_delay = msecs_to_jiffies(250); | |
485 | return 0; | |
486 | ||
487 | err_irq: | |
488 | dev_err(dev, "mioa701_mci_init: MMC/SD:" | |
489 | " can't request MMC card detect IRQ\n"); | |
490 | mio_gpio_free(ARRAY_AND_SIZE(mci_gpios)); | |
491 | err_gpio: | |
492 | return rc; | |
493 | } | |
494 | ||
495 | static struct pxamci_platform_data mioa701_mci_info = { | |
496 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, | |
497 | .init = mci_init, | |
498 | .get_ro = mci_get_ro, | |
499 | .setpower = mci_setpower, | |
500 | .exit = mci_exit, | |
501 | }; | |
502 | ||
503 | /* FlashRAM */ | |
504 | static struct resource strataflash_resource = { | |
505 | .start = PXA_CS0_PHYS, | |
506 | .end = PXA_CS0_PHYS + SZ_64M - 1, | |
507 | .flags = IORESOURCE_MEM, | |
508 | }; | |
509 | ||
510 | static struct physmap_flash_data strataflash_data = { | |
511 | .width = 2, | |
512 | /* .set_vpp = mioa701_set_vpp, */ | |
513 | }; | |
514 | ||
515 | static struct platform_device strataflash = { | |
516 | .name = "physmap-flash", | |
517 | .id = -1, | |
518 | .resource = &strataflash_resource, | |
519 | .num_resources = 1, | |
520 | .dev = { | |
521 | .platform_data = &strataflash_data, | |
522 | }, | |
523 | }; | |
524 | ||
525 | /* | |
526 | * Suspend/Resume bootstrap management | |
527 | * | |
528 | * MIO A701 reboot sequence is highly ROM dependant. From the one dissassembled, | |
529 | * this sequence is as follows : | |
530 | * - disables interrupts | |
531 | * - initialize SDRAM (self refresh RAM into active RAM) | |
532 | * - initialize GPIOs (depends on value at 0xa020b020) | |
533 | * - initialize coprossessors | |
534 | * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start | |
535 | * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start | |
536 | * - else do a resume, ie. jump to addr 0xa0100000 | |
537 | */ | |
538 | #define RESUME_ENABLE_ADDR 0xa020b000 | |
539 | #define RESUME_ENABLE_VAL 0x0f0f0f0f | |
540 | #define RESUME_BT_ADDR 0xa020b020 | |
541 | #define RESUME_UNKNOWN_ADDR 0xa020b024 | |
542 | #define RESUME_VECTOR_ADDR 0xa0100000 | |
543 | #define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4 | |
544 | ||
545 | static u32 *save_buffer; | |
546 | ||
547 | static void install_bootstrap(void) | |
548 | { | |
549 | int i; | |
550 | u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR); | |
551 | u32 *src = &mioa701_bootstrap; | |
552 | ||
553 | for (i = 0; i < BOOTSTRAP_WORDS; i++) | |
554 | rom_bootstrap[i] = src[i]; | |
555 | } | |
556 | ||
557 | ||
558 | static int mioa701_sys_suspend(struct sys_device *sysdev, pm_message_t state) | |
559 | { | |
560 | int i = 0, is_bt_on; | |
561 | u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR); | |
562 | u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR); | |
563 | u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR); | |
564 | u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR); | |
565 | ||
566 | /* Devices prepare suspend */ | |
844c6f6a | 567 | is_bt_on = !!gpio_get_value(GPIO83_BT_ON); |
eda6f6ec RJ |
568 | pxa2xx_mfp_set_lpm(GPIO83_BT_ON, |
569 | is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW); | |
570 | ||
571 | for (i = 0; i < BOOTSTRAP_WORDS; i++) | |
572 | save_buffer[i] = mem_resume_vector[i]; | |
573 | save_buffer[i++] = *mem_resume_enabler; | |
574 | save_buffer[i++] = *mem_resume_bt; | |
575 | save_buffer[i++] = *mem_resume_unknown; | |
576 | ||
577 | *mem_resume_enabler = RESUME_ENABLE_VAL; | |
578 | *mem_resume_bt = is_bt_on; | |
579 | ||
580 | install_bootstrap(); | |
581 | return 0; | |
582 | } | |
583 | ||
584 | static int mioa701_sys_resume(struct sys_device *sysdev) | |
585 | { | |
586 | int i = 0; | |
587 | u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR); | |
588 | u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR); | |
589 | u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR); | |
590 | u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR); | |
591 | ||
592 | for (i = 0; i < BOOTSTRAP_WORDS; i++) | |
593 | mem_resume_vector[i] = save_buffer[i]; | |
594 | *mem_resume_enabler = save_buffer[i++]; | |
595 | *mem_resume_bt = save_buffer[i++]; | |
596 | *mem_resume_unknown = save_buffer[i++]; | |
597 | ||
598 | return 0; | |
599 | } | |
600 | ||
601 | static struct sysdev_class mioa701_sysclass = { | |
602 | .name = "mioa701", | |
603 | }; | |
604 | ||
605 | static struct sys_device sysdev_bootstrap = { | |
606 | .cls = &mioa701_sysclass, | |
607 | }; | |
608 | ||
609 | static struct sysdev_driver driver_bootstrap = { | |
610 | .suspend = &mioa701_sys_suspend, | |
611 | .resume = &mioa701_sys_resume, | |
612 | }; | |
613 | ||
614 | static int __init bootstrap_init(void) | |
615 | { | |
616 | int rc; | |
617 | int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3); | |
618 | ||
619 | rc = sysdev_class_register(&mioa701_sysclass); | |
620 | if (rc) { | |
621 | printk(KERN_ERR "Failed registering mioa701 sys class\n"); | |
622 | return -ENODEV; | |
623 | } | |
624 | rc = sysdev_register(&sysdev_bootstrap); | |
625 | if (rc) { | |
626 | printk(KERN_ERR "Failed registering mioa701 sys device\n"); | |
627 | return -ENODEV; | |
628 | } | |
629 | rc = sysdev_driver_register(&mioa701_sysclass, &driver_bootstrap); | |
630 | if (rc) { | |
631 | printk(KERN_ERR "Failed registering PMU sys driver\n"); | |
632 | return -ENODEV; | |
633 | } | |
634 | ||
635 | save_buffer = kmalloc(save_size, GFP_KERNEL); | |
636 | if (!save_buffer) | |
637 | return -ENOMEM; | |
638 | printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n", | |
639 | save_size); | |
640 | return 0; | |
641 | } | |
642 | ||
643 | static void bootstrap_exit(void) | |
644 | { | |
645 | kfree(save_buffer); | |
646 | sysdev_driver_unregister(&mioa701_sysclass, &driver_bootstrap); | |
647 | sysdev_unregister(&sysdev_bootstrap); | |
648 | sysdev_class_unregister(&mioa701_sysclass); | |
649 | ||
650 | printk(KERN_CRIT "Unregistering mioa701 suspend will hang next" | |
651 | "resume !!!\n"); | |
652 | } | |
653 | ||
654 | /* | |
655 | * Power Supply | |
656 | */ | |
657 | static char *supplicants[] = { | |
658 | "mioa701_battery" | |
659 | }; | |
660 | ||
4aa89f97 RJ |
661 | static int is_ac_connected(void) |
662 | { | |
663 | return gpio_get_value(GPIO96_AC_DETECT); | |
664 | } | |
665 | ||
eda6f6ec RJ |
666 | static void mioa701_set_charge(int flags) |
667 | { | |
c96763d4 | 668 | gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB)); |
eda6f6ec RJ |
669 | } |
670 | ||
671 | static struct pda_power_pdata power_pdata = { | |
4aa89f97 RJ |
672 | .is_ac_online = is_ac_connected, |
673 | .is_usb_online = is_usb_connected, | |
eda6f6ec RJ |
674 | .set_charge = mioa701_set_charge, |
675 | .supplied_to = supplicants, | |
676 | .num_supplicants = ARRAY_SIZE(supplicants), | |
677 | }; | |
678 | ||
679 | static struct resource power_resources[] = { | |
680 | [0] = { | |
681 | .name = "ac", | |
4aa89f97 RJ |
682 | .start = gpio_to_irq(GPIO96_AC_DETECT), |
683 | .end = gpio_to_irq(GPIO96_AC_DETECT), | |
684 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | | |
685 | IORESOURCE_IRQ_LOWEDGE, | |
686 | }, | |
687 | [1] = { | |
688 | .name = "usb", | |
c96763d4 RJ |
689 | .start = gpio_to_irq(GPIO13_nUSB_DETECT), |
690 | .end = gpio_to_irq(GPIO13_nUSB_DETECT), | |
eda6f6ec RJ |
691 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | |
692 | IORESOURCE_IRQ_LOWEDGE, | |
693 | }, | |
694 | }; | |
695 | ||
696 | static struct platform_device power_dev = { | |
697 | .name = "pda-power", | |
698 | .id = -1, | |
699 | .resource = power_resources, | |
700 | .num_resources = ARRAY_SIZE(power_resources), | |
701 | .dev = { | |
702 | .platform_data = &power_pdata, | |
703 | }, | |
704 | }; | |
705 | ||
4aa89f97 RJ |
706 | static struct wm97xx_batt_info mioa701_battery_data = { |
707 | .batt_aux = WM97XX_AUX_ID1, | |
708 | .temp_aux = -1, | |
709 | .charge_gpio = -1, | |
710 | .min_voltage = 0xc00, | |
711 | .max_voltage = 0xfc0, | |
712 | .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION, | |
713 | .batt_div = 1, | |
714 | .batt_mult = 1, | |
715 | .batt_name = "mioa701_battery", | |
eda6f6ec RJ |
716 | }; |
717 | ||
8e7ccddf RJ |
718 | /* |
719 | * Camera interface | |
720 | */ | |
721 | struct pxacamera_platform_data mioa701_pxacamera_platform_data = { | |
722 | .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 | | |
723 | PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN, | |
724 | .mclk_10khz = 5000, | |
eda6f6ec RJ |
725 | }; |
726 | ||
8e7ccddf RJ |
727 | static struct soc_camera_link iclink = { |
728 | .bus_id = 0, /* Must match id in pxa27x_device_camera in device.c */ | |
eda6f6ec RJ |
729 | }; |
730 | ||
8e7ccddf RJ |
731 | /* Board I2C devices. */ |
732 | static struct i2c_board_info __initdata mioa701_i2c_devices[] = { | |
733 | { | |
734 | /* Must initialize before the camera(s) */ | |
735 | I2C_BOARD_INFO("mt9m111", 0x5d), | |
736 | .platform_data = &iclink, | |
eda6f6ec | 737 | }, |
eda6f6ec RJ |
738 | }; |
739 | ||
8e7ccddf RJ |
740 | struct i2c_pxa_platform_data i2c_pdata = { |
741 | .fast_mode = 1, | |
742 | }; | |
eda6f6ec RJ |
743 | |
744 | /* | |
745 | * Mio global | |
746 | */ | |
747 | ||
748 | /* Devices */ | |
749 | #define MIO_PARENT_DEV(var, strname, tparent, pdata) \ | |
750 | static struct platform_device var = { \ | |
751 | .name = strname, \ | |
752 | .id = -1, \ | |
753 | .dev = { \ | |
754 | .platform_data = pdata, \ | |
755 | .parent = tparent, \ | |
756 | }, \ | |
757 | }; | |
758 | #define MIO_SIMPLE_DEV(var, strname, pdata) \ | |
759 | MIO_PARENT_DEV(var, strname, NULL, pdata) | |
760 | ||
761 | MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data) | |
762 | MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev, | |
763 | &mioa701_backlight_data); | |
764 | MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info) | |
765 | MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL) | |
766 | MIO_SIMPLE_DEV(pxa2xx_ac97, "pxa2xx-ac97", NULL) | |
767 | MIO_PARENT_DEV(mio_wm9713_codec, "wm9713-codec", &pxa2xx_ac97.dev, NULL) | |
768 | MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL) | |
769 | MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL) | |
689b4feb | 770 | MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data); |
eda6f6ec RJ |
771 | |
772 | static struct platform_device *devices[] __initdata = { | |
773 | &mioa701_gpio_keys, | |
774 | &mioa701_backlight, | |
775 | &mioa701_led, | |
776 | &pxa2xx_pcm, | |
777 | &pxa2xx_ac97, | |
778 | &mio_wm9713_codec, | |
779 | &mioa701_sound, | |
780 | &power_dev, | |
781 | &strataflash, | |
689b4feb RJ |
782 | &gpio_vbus, |
783 | &mioa701_board, | |
eda6f6ec RJ |
784 | }; |
785 | ||
786 | static void mioa701_machine_exit(void); | |
787 | ||
788 | static void mioa701_poweroff(void) | |
789 | { | |
790 | mioa701_machine_exit(); | |
be093beb | 791 | arm_machine_restart('s', NULL); |
eda6f6ec RJ |
792 | } |
793 | ||
be093beb | 794 | static void mioa701_restart(char c, const char *cmd) |
eda6f6ec RJ |
795 | { |
796 | mioa701_machine_exit(); | |
be093beb | 797 | arm_machine_restart('s', cmd); |
eda6f6ec RJ |
798 | } |
799 | ||
800 | struct gpio_ress global_gpios[] = { | |
c96763d4 | 801 | MIO_GPIO_OUT(GPIO9_CHARGE_EN, 1, "Charger enable"), |
eda6f6ec RJ |
802 | MIO_GPIO_OUT(GPIO18_POWEROFF, 0, "Power Off"), |
803 | MIO_GPIO_OUT(GPIO87_LCD_POWER, 0, "LCD Power") | |
804 | }; | |
805 | ||
806 | static void __init mioa701_machine_init(void) | |
807 | { | |
808 | PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */ | |
809 | PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE; | |
810 | RTTR = 32768 - 1; /* Reset crazy WinCE value */ | |
811 | UP2OCR = UP2OCR_HXOE; | |
812 | ||
813 | pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config)); | |
814 | mio_gpio_request(ARRAY_AND_SIZE(global_gpios)); | |
815 | bootstrap_init(); | |
816 | set_pxa_fb_info(&mioa701_pxafb_info); | |
817 | pxa_set_mci_info(&mioa701_mci_info); | |
818 | pxa_set_keypad_info(&mioa701_keypad_info); | |
4aa89f97 | 819 | wm97xx_bat_set_pdata(&mioa701_battery_data); |
cefdb2a4 | 820 | pxa_set_udc_info(&mioa701_udc_info); |
eda6f6ec RJ |
821 | pm_power_off = mioa701_poweroff; |
822 | arm_pm_restart = mioa701_restart; | |
823 | platform_add_devices(devices, ARRAY_SIZE(devices)); | |
824 | gsm_init(); | |
8e7ccddf RJ |
825 | |
826 | pxa_set_i2c_info(&i2c_pdata); | |
827 | pxa_set_camera_info(&mioa701_pxacamera_platform_data); | |
828 | i2c_register_board_info(0, ARRAY_AND_SIZE(mioa701_i2c_devices)); | |
eda6f6ec RJ |
829 | } |
830 | ||
831 | static void mioa701_machine_exit(void) | |
832 | { | |
eda6f6ec RJ |
833 | bootstrap_exit(); |
834 | gsm_exit(); | |
835 | } | |
836 | ||
837 | MACHINE_START(MIOA701, "MIO A701") | |
838 | .phys_io = 0x40000000, | |
839 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | |
840 | .boot_params = 0xa0000100, | |
841 | .map_io = &pxa_map_io, | |
842 | .init_irq = &pxa27x_init_irq, | |
843 | .init_machine = mioa701_machine_init, | |
844 | .timer = &pxa_timer, | |
845 | MACHINE_END |