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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> | |
2eaa03b5 | 25 | #include <linux/syscore_ops.h> |
eda6f6ec RJ |
26 | #include <linux/input.h> |
27 | #include <linux/delay.h> | |
28 | #include <linux/gpio_keys.h> | |
64c644a4 | 29 | #include <linux/pwm.h> |
eda6f6ec RJ |
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> | |
241cf473 | 38 | #include <linux/wm97xx.h> |
eda6f6ec | 39 | #include <linux/mtd/physmap.h> |
689b4feb | 40 | #include <linux/usb/gpio_vbus.h> |
7b6d864b | 41 | #include <linux/reboot.h> |
902e6a0c | 42 | #include <linux/regulator/fixed.h> |
9752e148 | 43 | #include <linux/regulator/max1586.h> |
5a0e3ad6 | 44 | #include <linux/slab.h> |
b459396e | 45 | #include <linux/i2c/pxa-i2c.h> |
eda6f6ec RJ |
46 | |
47 | #include <asm/mach-types.h> | |
48 | #include <asm/mach/arch.h> | |
51c62982 EM |
49 | |
50 | #include <mach/pxa27x.h> | |
5bf3df3f | 51 | #include <mach/regs-rtc.h> |
293b2da1 AB |
52 | #include <linux/platform_data/keypad-pxa27x.h> |
53 | #include <linux/platform_data/video-pxafb.h> | |
54 | #include <linux/platform_data/mmc-pxamci.h> | |
eda6f6ec RJ |
55 | #include <mach/udc.h> |
56 | #include <mach/pxa27x-udc.h> | |
293b2da1 | 57 | #include <linux/platform_data/camera-pxa.h> |
80748fb8 | 58 | #include <mach/audio.h> |
43a90877 | 59 | #include <mach/smemc.h> |
8e7ccddf | 60 | #include <media/soc_camera.h> |
eda6f6ec RJ |
61 | |
62 | #include <mach/mioa701.h> | |
63 | ||
64 | #include "generic.h" | |
65 | #include "devices.h" | |
66 | ||
67 | static unsigned long mioa701_pin_config[] = { | |
68 | /* Mio global */ | |
c96763d4 | 69 | MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW), |
eda6f6ec RJ |
70 | MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW), |
71 | MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH), | |
72 | MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH), | |
c96763d4 | 73 | MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0), |
eda6f6ec RJ |
74 | |
75 | /* Backlight PWM 0 */ | |
76 | GPIO16_PWM0_OUT, | |
77 | ||
78 | /* MMC */ | |
79 | GPIO32_MMC_CLK, | |
80 | GPIO92_MMC_DAT_0, | |
81 | GPIO109_MMC_DAT_1, | |
82 | GPIO110_MMC_DAT_2, | |
83 | GPIO111_MMC_DAT_3, | |
84 | GPIO112_MMC_CMD, | |
85 | MIO_CFG_IN(GPIO78_SDIO_RO, AF0), | |
86 | MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0), | |
87 | MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW), | |
88 | ||
89 | /* USB */ | |
c96763d4 | 90 | MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0), |
eda6f6ec RJ |
91 | MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW), |
92 | ||
93 | /* LCD */ | |
bedbda97 | 94 | GPIOxx_LCD_TFT_16BPP, |
eda6f6ec | 95 | |
8e7ccddf RJ |
96 | /* QCI */ |
97 | GPIO12_CIF_DD_7, | |
98 | GPIO17_CIF_DD_6, | |
99 | GPIO50_CIF_DD_3, | |
100 | GPIO51_CIF_DD_2, | |
101 | GPIO52_CIF_DD_4, | |
102 | GPIO53_CIF_MCLK, | |
103 | GPIO54_CIF_PCLK, | |
104 | GPIO55_CIF_DD_1, | |
105 | GPIO81_CIF_DD_0, | |
106 | GPIO82_CIF_DD_5, | |
107 | GPIO84_CIF_FV, | |
108 | GPIO85_CIF_LV, | |
c2219e4d | 109 | MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW), |
8e7ccddf | 110 | |
eda6f6ec | 111 | /* Bluetooth */ |
c96763d4 | 112 | MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0), |
eda6f6ec RJ |
113 | GPIO44_BTUART_CTS, |
114 | GPIO42_BTUART_RXD, | |
115 | GPIO45_BTUART_RTS, | |
116 | GPIO43_BTUART_TXD, | |
117 | MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW), | |
c96763d4 RJ |
118 | MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH), |
119 | MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH), | |
eda6f6ec RJ |
120 | |
121 | /* GPS */ | |
122 | MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW), | |
123 | MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW), | |
124 | MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW), | |
125 | MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW), | |
126 | MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW), | |
127 | GPIO46_STUART_RXD, | |
128 | GPIO47_STUART_TXD, | |
129 | ||
130 | /* GSM */ | |
131 | MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW), | |
132 | MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH), | |
133 | MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH), | |
134 | MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH), | |
135 | MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0), | |
136 | MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH, | |
137 | GPIO34_FFUART_RXD, | |
138 | GPIO35_FFUART_CTS, | |
139 | GPIO36_FFUART_DCD, | |
140 | GPIO37_FFUART_DSR, | |
141 | GPIO39_FFUART_TXD, | |
142 | GPIO40_FFUART_DTR, | |
143 | GPIO41_FFUART_RTS, | |
144 | ||
145 | /* Sound */ | |
c11b6a42 EM |
146 | GPIO28_AC97_BITCLK, |
147 | GPIO29_AC97_SDATA_IN_0, | |
148 | GPIO30_AC97_SDATA_OUT, | |
149 | GPIO31_AC97_SYNC, | |
eda6f6ec RJ |
150 | GPIO89_AC97_SYSCLK, |
151 | MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0), | |
152 | ||
153 | /* Leds */ | |
154 | MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH), | |
155 | MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH), | |
156 | MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH), | |
157 | MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH), | |
158 | MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH), | |
159 | ||
160 | /* Keyboard */ | |
161 | MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH, | |
162 | MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0), | |
163 | MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0), | |
164 | GPIO100_KP_MKIN_0, | |
165 | GPIO101_KP_MKIN_1, | |
166 | GPIO102_KP_MKIN_2, | |
167 | GPIO103_KP_MKOUT_0, | |
168 | GPIO104_KP_MKOUT_1, | |
169 | GPIO105_KP_MKOUT_2, | |
170 | ||
8e7ccddf RJ |
171 | /* I2C */ |
172 | GPIO117_I2C_SCL, | |
173 | GPIO118_I2C_SDA, | |
174 | ||
eda6f6ec | 175 | /* Unknown */ |
eda6f6ec RJ |
176 | MFP_CFG_IN(GPIO20, AF0), |
177 | MFP_CFG_IN(GPIO21, AF0), | |
178 | MFP_CFG_IN(GPIO33, AF0), | |
179 | MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH), | |
180 | MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH), | |
eda6f6ec RJ |
181 | MFP_CFG_IN(GPIO96, AF0), |
182 | MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH), | |
183 | }; | |
184 | ||
64c644a4 TR |
185 | static struct pwm_lookup mioa701_pwm_lookup[] = { |
186 | PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 4000 * 1024, | |
187 | PWM_POLARITY_NORMAL), | |
188 | }; | |
189 | ||
eda6f6ec RJ |
190 | /* LCD Screen and Backlight */ |
191 | static struct platform_pwm_backlight_data mioa701_backlight_data = { | |
eda6f6ec RJ |
192 | .max_brightness = 100, |
193 | .dft_brightness = 50, | |
db01120c | 194 | .enable_gpio = -1, |
eda6f6ec RJ |
195 | }; |
196 | ||
197 | /* | |
198 | * LTM0305A776C LCD panel timings | |
199 | * | |
200 | * see: | |
201 | * - the LTM0305A776C datasheet, | |
202 | * - and the PXA27x Programmers' manual | |
203 | */ | |
204 | static struct pxafb_mode_info mioa701_ltm0305a776c = { | |
205 | .pixclock = 220000, /* CLK=4.545 MHz */ | |
206 | .xres = 240, | |
207 | .yres = 320, | |
208 | .bpp = 16, | |
209 | .hsync_len = 4, | |
210 | .vsync_len = 2, | |
211 | .left_margin = 6, | |
212 | .right_margin = 4, | |
213 | .upper_margin = 5, | |
214 | .lower_margin = 3, | |
215 | }; | |
216 | ||
217 | static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si) | |
218 | { | |
219 | gpio_set_value(GPIO87_LCD_POWER, on); | |
220 | } | |
221 | ||
222 | static struct pxafb_mach_info mioa701_pxafb_info = { | |
223 | .modes = &mioa701_ltm0305a776c, | |
224 | .num_modes = 1, | |
225 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, | |
226 | .pxafb_lcd_power = mioa701_lcd_power, | |
227 | }; | |
228 | ||
229 | /* | |
230 | * Keyboard configuration | |
231 | */ | |
0a085a94 | 232 | static const unsigned int mioa701_matrix_keys[] = { |
eda6f6ec RJ |
233 | KEY(0, 0, KEY_UP), |
234 | KEY(0, 1, KEY_RIGHT), | |
235 | KEY(0, 2, KEY_MEDIA), | |
236 | KEY(1, 0, KEY_DOWN), | |
237 | KEY(1, 1, KEY_ENTER), | |
238 | KEY(1, 2, KEY_CONNECT), /* GPS key */ | |
239 | KEY(2, 0, KEY_LEFT), | |
240 | KEY(2, 1, KEY_PHONE), /* Phone Green key */ | |
241 | KEY(2, 2, KEY_CAMERA) /* Camera key */ | |
242 | }; | |
0a085a94 CX |
243 | |
244 | static struct matrix_keymap_data mioa701_matrix_keymap_data = { | |
245 | .keymap = mioa701_matrix_keys, | |
246 | .keymap_size = ARRAY_SIZE(mioa701_matrix_keys), | |
247 | }; | |
248 | ||
eda6f6ec RJ |
249 | static struct pxa27x_keypad_platform_data mioa701_keypad_info = { |
250 | .matrix_key_rows = 3, | |
251 | .matrix_key_cols = 3, | |
0a085a94 | 252 | .matrix_keymap_data = &mioa701_matrix_keymap_data, |
eda6f6ec RJ |
253 | }; |
254 | ||
255 | /* | |
256 | * GPIO Key Configuration | |
257 | */ | |
258 | #define MIO_KEY(key, _gpio, _desc, _wakeup) \ | |
259 | { .code = (key), .gpio = (_gpio), .active_low = 0, \ | |
260 | .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) } | |
261 | static struct gpio_keys_button mioa701_button_table[] = { | |
262 | MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1), | |
263 | MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0), | |
264 | MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0), | |
265 | MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0) | |
266 | }; | |
267 | ||
268 | static struct gpio_keys_platform_data mioa701_gpio_keys_data = { | |
269 | .buttons = mioa701_button_table, | |
270 | .nbuttons = ARRAY_SIZE(mioa701_button_table), | |
271 | }; | |
272 | ||
273 | /* | |
274 | * Leds and vibrator | |
275 | */ | |
276 | #define ONE_LED(_gpio, _name) \ | |
277 | { .gpio = (_gpio), .name = (_name), .active_low = true } | |
278 | static struct gpio_led gpio_leds[] = { | |
279 | ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"), | |
280 | ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"), | |
281 | ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"), | |
282 | ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"), | |
283 | ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard") | |
284 | }; | |
285 | ||
286 | static struct gpio_led_platform_data gpio_led_info = { | |
287 | .leds = gpio_leds, | |
288 | .num_leds = ARRAY_SIZE(gpio_leds), | |
289 | }; | |
290 | ||
291 | /* | |
292 | * GSM Sagem XS200 chip | |
293 | * | |
294 | * GSM handling was purged from kernel. For history, this is the way to go : | |
295 | * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1 | |
296 | * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1 | |
297 | * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100), | |
298 | * GPIO24_GSM_MOD_RESET_CMD = 0 | |
299 | * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000), | |
300 | * GPIO88_GSM_nMOD_ON_CMD = 1 | |
301 | * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000), | |
302 | * GPIO90_GSM_nMOD_OFF_CMD = 1 | |
303 | */ | |
304 | static int is_gsm_on(void) | |
305 | { | |
306 | int is_on; | |
307 | ||
308 | is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE); | |
309 | return is_on; | |
310 | } | |
311 | ||
312 | irqreturn_t gsm_on_irq(int irq, void *p) | |
313 | { | |
314 | printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n", | |
315 | is_gsm_on() ? "on" : "off"); | |
316 | return IRQ_HANDLED; | |
317 | } | |
318 | ||
4c738b25 PZ |
319 | static struct gpio gsm_gpios[] = { |
320 | { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" }, | |
321 | { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" }, | |
eda6f6ec RJ |
322 | }; |
323 | ||
324 | static int __init gsm_init(void) | |
325 | { | |
326 | int rc; | |
327 | ||
4c738b25 | 328 | rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios)); |
eda6f6ec RJ |
329 | if (rc) |
330 | goto err_gpio; | |
331 | rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq, | |
332 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, | |
333 | "GSM XS200 Power Irq", NULL); | |
334 | if (rc) | |
335 | goto err_irq; | |
336 | ||
337 | gpio_set_wake(GPIO113_GSM_EVENT, 1); | |
338 | return 0; | |
339 | ||
340 | err_irq: | |
341 | printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n"); | |
4c738b25 | 342 | gpio_free_array(ARRAY_AND_SIZE(gsm_gpios)); |
eda6f6ec RJ |
343 | err_gpio: |
344 | printk(KERN_ERR "Mioa701: gsm not available\n"); | |
345 | return rc; | |
346 | } | |
347 | ||
348 | static void gsm_exit(void) | |
349 | { | |
350 | free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL); | |
4c738b25 | 351 | gpio_free_array(ARRAY_AND_SIZE(gsm_gpios)); |
eda6f6ec RJ |
352 | } |
353 | ||
354 | /* | |
355 | * Bluetooth BRF6150 chip | |
356 | * | |
357 | * BT handling was purged from kernel. For history, this is the way to go : | |
358 | * - turn on : GPIO83_BT_ON = 1 | |
359 | * - turn off : GPIO83_BT_ON = 0 | |
360 | */ | |
361 | ||
362 | /* | |
363 | * GPS Sirf Star III chip | |
364 | * | |
365 | * GPS handling was purged from kernel. For history, this is the way to go : | |
366 | * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0 | |
367 | * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0 | |
368 | * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1 | |
369 | * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0 | |
370 | */ | |
371 | ||
372 | /* | |
373 | * USB UDC | |
374 | */ | |
eda6f6ec RJ |
375 | static int is_usb_connected(void) |
376 | { | |
c96763d4 | 377 | return !gpio_get_value(GPIO13_nUSB_DETECT); |
eda6f6ec RJ |
378 | } |
379 | ||
380 | static struct pxa2xx_udc_mach_info mioa701_udc_info = { | |
381 | .udc_is_connected = is_usb_connected, | |
cefdb2a4 | 382 | .gpio_pullup = GPIO22_USB_ENABLE, |
eda6f6ec RJ |
383 | }; |
384 | ||
689b4feb RJ |
385 | struct gpio_vbus_mach_info gpio_vbus_data = { |
386 | .gpio_vbus = GPIO13_nUSB_DETECT, | |
387 | .gpio_vbus_inverted = 1, | |
388 | .gpio_pullup = -1, | |
389 | }; | |
390 | ||
eda6f6ec RJ |
391 | /* |
392 | * SDIO/MMC Card controller | |
393 | */ | |
eda6f6ec RJ |
394 | /** |
395 | * The card detect interrupt isn't debounced so we delay it by 250ms | |
396 | * to give the card a chance to fully insert/eject. | |
397 | */ | |
eda6f6ec | 398 | static struct pxamci_platform_data mioa701_mci_info = { |
f97cab28 | 399 | .detect_delay_ms = 250, |
7a648256 RJ |
400 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
401 | .gpio_card_detect = GPIO15_SDIO_INSERT, | |
402 | .gpio_card_ro = GPIO78_SDIO_RO, | |
403 | .gpio_power = GPIO91_SDIO_EN, | |
eda6f6ec RJ |
404 | }; |
405 | ||
406 | /* FlashRAM */ | |
43a90877 | 407 | static struct resource docg3_resource = { |
eda6f6ec | 408 | .start = PXA_CS0_PHYS, |
43a90877 | 409 | .end = PXA_CS0_PHYS + SZ_8K - 1, |
eda6f6ec RJ |
410 | .flags = IORESOURCE_MEM, |
411 | }; | |
412 | ||
43a90877 RJ |
413 | static struct platform_device docg3 = { |
414 | .name = "docg3", | |
eda6f6ec | 415 | .id = -1, |
43a90877 | 416 | .resource = &docg3_resource, |
eda6f6ec RJ |
417 | .num_resources = 1, |
418 | .dev = { | |
43a90877 | 419 | .platform_data = NULL, |
eda6f6ec RJ |
420 | }, |
421 | }; | |
422 | ||
423 | /* | |
424 | * Suspend/Resume bootstrap management | |
425 | * | |
25985edc | 426 | * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled, |
eda6f6ec RJ |
427 | * this sequence is as follows : |
428 | * - disables interrupts | |
429 | * - initialize SDRAM (self refresh RAM into active RAM) | |
430 | * - initialize GPIOs (depends on value at 0xa020b020) | |
431 | * - initialize coprossessors | |
432 | * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start | |
433 | * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start | |
434 | * - else do a resume, ie. jump to addr 0xa0100000 | |
435 | */ | |
436 | #define RESUME_ENABLE_ADDR 0xa020b000 | |
437 | #define RESUME_ENABLE_VAL 0x0f0f0f0f | |
438 | #define RESUME_BT_ADDR 0xa020b020 | |
439 | #define RESUME_UNKNOWN_ADDR 0xa020b024 | |
440 | #define RESUME_VECTOR_ADDR 0xa0100000 | |
441 | #define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4 | |
442 | ||
443 | static u32 *save_buffer; | |
444 | ||
445 | static void install_bootstrap(void) | |
446 | { | |
447 | int i; | |
448 | u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR); | |
449 | u32 *src = &mioa701_bootstrap; | |
450 | ||
451 | for (i = 0; i < BOOTSTRAP_WORDS; i++) | |
452 | rom_bootstrap[i] = src[i]; | |
453 | } | |
454 | ||
455 | ||
2eaa03b5 | 456 | static int mioa701_sys_suspend(void) |
eda6f6ec RJ |
457 | { |
458 | int i = 0, is_bt_on; | |
459 | u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR); | |
460 | u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR); | |
461 | u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR); | |
462 | u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR); | |
463 | ||
464 | /* Devices prepare suspend */ | |
844c6f6a | 465 | is_bt_on = !!gpio_get_value(GPIO83_BT_ON); |
eda6f6ec RJ |
466 | pxa2xx_mfp_set_lpm(GPIO83_BT_ON, |
467 | is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW); | |
468 | ||
469 | for (i = 0; i < BOOTSTRAP_WORDS; i++) | |
470 | save_buffer[i] = mem_resume_vector[i]; | |
471 | save_buffer[i++] = *mem_resume_enabler; | |
472 | save_buffer[i++] = *mem_resume_bt; | |
473 | save_buffer[i++] = *mem_resume_unknown; | |
474 | ||
475 | *mem_resume_enabler = RESUME_ENABLE_VAL; | |
476 | *mem_resume_bt = is_bt_on; | |
477 | ||
478 | install_bootstrap(); | |
479 | return 0; | |
480 | } | |
481 | ||
2eaa03b5 | 482 | static void mioa701_sys_resume(void) |
eda6f6ec RJ |
483 | { |
484 | int i = 0; | |
485 | u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR); | |
486 | u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR); | |
487 | u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR); | |
488 | u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR); | |
489 | ||
490 | for (i = 0; i < BOOTSTRAP_WORDS; i++) | |
491 | mem_resume_vector[i] = save_buffer[i]; | |
492 | *mem_resume_enabler = save_buffer[i++]; | |
493 | *mem_resume_bt = save_buffer[i++]; | |
494 | *mem_resume_unknown = save_buffer[i++]; | |
eda6f6ec RJ |
495 | } |
496 | ||
2eaa03b5 RW |
497 | static struct syscore_ops mioa701_syscore_ops = { |
498 | .suspend = mioa701_sys_suspend, | |
499 | .resume = mioa701_sys_resume, | |
eda6f6ec RJ |
500 | }; |
501 | ||
502 | static int __init bootstrap_init(void) | |
503 | { | |
eda6f6ec RJ |
504 | int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3); |
505 | ||
2eaa03b5 | 506 | register_syscore_ops(&mioa701_syscore_ops); |
eda6f6ec RJ |
507 | |
508 | save_buffer = kmalloc(save_size, GFP_KERNEL); | |
509 | if (!save_buffer) | |
510 | return -ENOMEM; | |
511 | printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n", | |
512 | save_size); | |
513 | return 0; | |
514 | } | |
515 | ||
516 | static void bootstrap_exit(void) | |
517 | { | |
518 | kfree(save_buffer); | |
2eaa03b5 | 519 | unregister_syscore_ops(&mioa701_syscore_ops); |
eda6f6ec RJ |
520 | |
521 | printk(KERN_CRIT "Unregistering mioa701 suspend will hang next" | |
522 | "resume !!!\n"); | |
523 | } | |
524 | ||
525 | /* | |
526 | * Power Supply | |
527 | */ | |
528 | static char *supplicants[] = { | |
529 | "mioa701_battery" | |
530 | }; | |
531 | ||
4aa89f97 RJ |
532 | static int is_ac_connected(void) |
533 | { | |
534 | return gpio_get_value(GPIO96_AC_DETECT); | |
535 | } | |
536 | ||
eda6f6ec RJ |
537 | static void mioa701_set_charge(int flags) |
538 | { | |
c96763d4 | 539 | gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB)); |
eda6f6ec RJ |
540 | } |
541 | ||
542 | static struct pda_power_pdata power_pdata = { | |
4aa89f97 RJ |
543 | .is_ac_online = is_ac_connected, |
544 | .is_usb_online = is_usb_connected, | |
eda6f6ec RJ |
545 | .set_charge = mioa701_set_charge, |
546 | .supplied_to = supplicants, | |
547 | .num_supplicants = ARRAY_SIZE(supplicants), | |
548 | }; | |
549 | ||
550 | static struct resource power_resources[] = { | |
551 | [0] = { | |
552 | .name = "ac", | |
4929f5a8 HZ |
553 | .start = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT), |
554 | .end = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT), | |
4aa89f97 RJ |
555 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | |
556 | IORESOURCE_IRQ_LOWEDGE, | |
557 | }, | |
558 | [1] = { | |
559 | .name = "usb", | |
4929f5a8 HZ |
560 | .start = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT), |
561 | .end = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT), | |
eda6f6ec RJ |
562 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | |
563 | IORESOURCE_IRQ_LOWEDGE, | |
564 | }, | |
565 | }; | |
566 | ||
567 | static struct platform_device power_dev = { | |
568 | .name = "pda-power", | |
569 | .id = -1, | |
570 | .resource = power_resources, | |
571 | .num_resources = ARRAY_SIZE(power_resources), | |
572 | .dev = { | |
573 | .platform_data = &power_pdata, | |
574 | }, | |
575 | }; | |
576 | ||
241cf473 | 577 | static struct wm97xx_batt_pdata mioa701_battery_data = { |
4aa89f97 RJ |
578 | .batt_aux = WM97XX_AUX_ID1, |
579 | .temp_aux = -1, | |
580 | .charge_gpio = -1, | |
581 | .min_voltage = 0xc00, | |
582 | .max_voltage = 0xfc0, | |
583 | .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION, | |
584 | .batt_div = 1, | |
585 | .batt_mult = 1, | |
586 | .batt_name = "mioa701_battery", | |
eda6f6ec RJ |
587 | }; |
588 | ||
241cf473 MV |
589 | static struct wm97xx_pdata mioa701_wm97xx_pdata = { |
590 | .batt_pdata = &mioa701_battery_data, | |
591 | }; | |
592 | ||
9752e148 RJ |
593 | /* |
594 | * Voltage regulation | |
595 | */ | |
596 | static struct regulator_consumer_supply max1586_consumers[] = { | |
0bf189ab | 597 | REGULATOR_SUPPLY("vcc_core", NULL), |
9752e148 RJ |
598 | }; |
599 | ||
600 | static struct regulator_init_data max1586_v3_info = { | |
601 | .constraints = { | |
602 | .name = "vcc_core range", | |
603 | .min_uV = 1000000, | |
604 | .max_uV = 1705000, | |
605 | .always_on = 1, | |
606 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, | |
607 | }, | |
608 | .num_consumer_supplies = ARRAY_SIZE(max1586_consumers), | |
609 | .consumer_supplies = max1586_consumers, | |
610 | }; | |
611 | ||
612 | static struct max1586_subdev_data max1586_subdevs[] = { | |
613 | { .name = "vcc_core", .id = MAX1586_V3, | |
614 | .platform_data = &max1586_v3_info }, | |
615 | }; | |
616 | ||
617 | static struct max1586_platform_data max1586_info = { | |
618 | .subdevs = max1586_subdevs, | |
619 | .num_subdevs = ARRAY_SIZE(max1586_subdevs), | |
e567b74c | 620 | .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */ |
9752e148 RJ |
621 | }; |
622 | ||
8e7ccddf RJ |
623 | /* |
624 | * Camera interface | |
625 | */ | |
626 | struct pxacamera_platform_data mioa701_pxacamera_platform_data = { | |
627 | .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 | | |
628 | PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN, | |
629 | .mclk_10khz = 5000, | |
eda6f6ec RJ |
630 | }; |
631 | ||
9752e148 RJ |
632 | static struct i2c_board_info __initdata mioa701_pi2c_devices[] = { |
633 | { | |
634 | I2C_BOARD_INFO("max1586", 0x14), | |
635 | .platform_data = &max1586_info, | |
636 | }, | |
637 | }; | |
638 | ||
8e7ccddf | 639 | /* Board I2C devices. */ |
8dbed71a | 640 | static struct i2c_board_info mioa701_i2c_devices[] = { |
8e7ccddf | 641 | { |
8e7ccddf | 642 | I2C_BOARD_INFO("mt9m111", 0x5d), |
eda6f6ec | 643 | }, |
eda6f6ec RJ |
644 | }; |
645 | ||
a48c24a6 GL |
646 | static struct soc_camera_link iclink = { |
647 | .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */ | |
648 | .board_info = &mioa701_i2c_devices[0], | |
649 | .i2c_adapter_id = 0, | |
a48c24a6 GL |
650 | }; |
651 | ||
8e7ccddf RJ |
652 | struct i2c_pxa_platform_data i2c_pdata = { |
653 | .fast_mode = 1, | |
654 | }; | |
eda6f6ec | 655 | |
cc8d2730 RJ |
656 | static pxa2xx_audio_ops_t mioa701_ac97_info = { |
657 | .reset_gpio = 95, | |
241cf473 | 658 | .codec_pdata = { &mioa701_wm97xx_pdata, }, |
cc8d2730 RJ |
659 | }; |
660 | ||
eda6f6ec RJ |
661 | /* |
662 | * Mio global | |
663 | */ | |
664 | ||
665 | /* Devices */ | |
666 | #define MIO_PARENT_DEV(var, strname, tparent, pdata) \ | |
667 | static struct platform_device var = { \ | |
668 | .name = strname, \ | |
669 | .id = -1, \ | |
670 | .dev = { \ | |
671 | .platform_data = pdata, \ | |
672 | .parent = tparent, \ | |
673 | }, \ | |
674 | }; | |
675 | #define MIO_SIMPLE_DEV(var, strname, pdata) \ | |
676 | MIO_PARENT_DEV(var, strname, NULL, pdata) | |
677 | ||
678 | MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data) | |
679 | MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev, | |
680 | &mioa701_backlight_data); | |
681 | MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info) | |
682 | MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL) | |
eda6f6ec RJ |
683 | MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL) |
684 | MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL) | |
68853863 | 685 | MIO_SIMPLE_DEV(wm9713_acodec, "wm9713-codec", NULL); |
689b4feb | 686 | MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data); |
a48c24a6 | 687 | MIO_SIMPLE_DEV(mioa701_camera, "soc-camera-pdrv",&iclink); |
eda6f6ec RJ |
688 | |
689 | static struct platform_device *devices[] __initdata = { | |
690 | &mioa701_gpio_keys, | |
691 | &mioa701_backlight, | |
692 | &mioa701_led, | |
68853863 | 693 | &wm9713_acodec, |
eda6f6ec | 694 | &pxa2xx_pcm, |
eda6f6ec RJ |
695 | &mioa701_sound, |
696 | &power_dev, | |
43a90877 | 697 | &docg3, |
689b4feb | 698 | &gpio_vbus, |
a48c24a6 | 699 | &mioa701_camera, |
689b4feb | 700 | &mioa701_board, |
eda6f6ec RJ |
701 | }; |
702 | ||
703 | static void mioa701_machine_exit(void); | |
704 | ||
705 | static void mioa701_poweroff(void) | |
706 | { | |
707 | mioa701_machine_exit(); | |
7b6d864b | 708 | pxa_restart(REBOOT_SOFT, NULL); |
eda6f6ec RJ |
709 | } |
710 | ||
7b6d864b | 711 | static void mioa701_restart(enum reboot_mode c, const char *cmd) |
eda6f6ec RJ |
712 | { |
713 | mioa701_machine_exit(); | |
7b6d864b | 714 | pxa_restart(REBOOT_SOFT, cmd); |
eda6f6ec RJ |
715 | } |
716 | ||
4c738b25 PZ |
717 | static struct gpio global_gpios[] = { |
718 | { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" }, | |
719 | { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" }, | |
720 | { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" }, | |
c2219e4d | 721 | { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" }, |
eda6f6ec RJ |
722 | }; |
723 | ||
902e6a0c TR |
724 | static struct regulator_consumer_supply fixed_5v0_consumers[] = { |
725 | REGULATOR_SUPPLY("power", "pwm-backlight"), | |
726 | }; | |
727 | ||
eda6f6ec RJ |
728 | static void __init mioa701_machine_init(void) |
729 | { | |
4c738b25 PZ |
730 | int rc; |
731 | ||
eda6f6ec RJ |
732 | PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */ |
733 | PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE; | |
734 | RTTR = 32768 - 1; /* Reset crazy WinCE value */ | |
735 | UP2OCR = UP2OCR_HXOE; | |
736 | ||
43a90877 RJ |
737 | /* |
738 | * Set up the flash memory : DiskOnChip G3 on first static memory bank | |
739 | */ | |
740 | __raw_writel(0x7ff02dd8, MSC0); | |
741 | __raw_writel(0x0001c391, MCMEM0); | |
742 | __raw_writel(0x0001c391, MCATT0); | |
743 | __raw_writel(0x0001c391, MCIO0); | |
744 | ||
745 | ||
eda6f6ec | 746 | pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config)); |
cc155c6f RK |
747 | pxa_set_ffuart_info(NULL); |
748 | pxa_set_btuart_info(NULL); | |
749 | pxa_set_stuart_info(NULL); | |
4c738b25 PZ |
750 | rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios)); |
751 | if (rc) | |
752 | pr_err("MioA701: Failed to request GPIOs: %d", rc); | |
eda6f6ec | 753 | bootstrap_init(); |
4321e1a1 | 754 | pxa_set_fb_info(NULL, &mioa701_pxafb_info); |
eda6f6ec RJ |
755 | pxa_set_mci_info(&mioa701_mci_info); |
756 | pxa_set_keypad_info(&mioa701_keypad_info); | |
cefdb2a4 | 757 | pxa_set_udc_info(&mioa701_udc_info); |
cc8d2730 | 758 | pxa_set_ac97_info(&mioa701_ac97_info); |
eda6f6ec | 759 | pm_power_off = mioa701_poweroff; |
64c644a4 | 760 | pwm_add_table(mioa701_pwm_lookup, ARRAY_SIZE(mioa701_pwm_lookup)); |
eda6f6ec RJ |
761 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
762 | gsm_init(); | |
8e7ccddf | 763 | |
9752e148 | 764 | i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices)); |
8e7ccddf | 765 | pxa_set_i2c_info(&i2c_pdata); |
9752e148 | 766 | pxa27x_set_i2c_power_info(NULL); |
8e7ccddf | 767 | pxa_set_camera_info(&mioa701_pxacamera_platform_data); |
902e6a0c TR |
768 | |
769 | regulator_register_always_on(0, "fixed-5.0V", fixed_5v0_consumers, | |
770 | ARRAY_SIZE(fixed_5v0_consumers), | |
771 | 5000000); | |
eda6f6ec RJ |
772 | } |
773 | ||
774 | static void mioa701_machine_exit(void) | |
775 | { | |
eda6f6ec RJ |
776 | bootstrap_exit(); |
777 | gsm_exit(); | |
778 | } | |
779 | ||
780 | MACHINE_START(MIOA701, "MIO A701") | |
7375aba6 | 781 | .atag_offset = 0x100, |
851982c1 | 782 | .map_io = &pxa27x_map_io, |
4e611091 | 783 | .nr_irqs = PXA_NR_IRQS, |
eda6f6ec | 784 | .init_irq = &pxa27x_init_irq, |
8a97ae2f | 785 | .handle_irq = &pxa27x_handle_irq, |
eda6f6ec | 786 | .init_machine = mioa701_machine_init, |
6bb27d73 | 787 | .init_time = pxa_timer_init, |
271a74fc | 788 | .restart = mioa701_restart, |
eda6f6ec | 789 | MACHINE_END |