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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>
Arnd Bergmann293b2da2012-08-24 15:16:48 +020049#include <linux/platform_data/keypad-pxa27x.h>
50#include <linux/platform_data/video-pxafb.h>
51#include <linux/platform_data/mmc-pxamci.h>
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010052#include <mach/udc.h>
53#include <mach/pxa27x-udc.h>
Arnd Bergmann293b2da2012-08-24 15:16:48 +020054#include <linux/platform_data/camera-pxa.h>
Mark Brown80748fb2009-04-03 12:45:49 +010055#include <mach/audio.h>
Robert Jarzmik43a90872011-12-17 12:49:51 +010056#include <mach/smemc.h>
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +010057#include <media/soc_camera.h>
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010058
59#include <mach/mioa701.h>
60
61#include "generic.h"
62#include "devices.h"
63
64static unsigned long mioa701_pin_config[] = {
65 /* Mio global */
Robert Jarzmikc96763d2008-11-18 20:23:32 +010066 MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010067 MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
68 MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
69 MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
Robert Jarzmikc96763d2008-11-18 20:23:32 +010070 MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010071
72 /* Backlight PWM 0 */
73 GPIO16_PWM0_OUT,
74
75 /* MMC */
76 GPIO32_MMC_CLK,
77 GPIO92_MMC_DAT_0,
78 GPIO109_MMC_DAT_1,
79 GPIO110_MMC_DAT_2,
80 GPIO111_MMC_DAT_3,
81 GPIO112_MMC_CMD,
82 MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
83 MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
84 MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
85
86 /* USB */
Robert Jarzmikc96763d2008-11-18 20:23:32 +010087 MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010088 MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
89
90 /* LCD */
Eric Miaobedbda92010-01-04 11:37:14 +080091 GPIOxx_LCD_TFT_16BPP,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010092
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +010093 /* QCI */
94 GPIO12_CIF_DD_7,
95 GPIO17_CIF_DD_6,
96 GPIO50_CIF_DD_3,
97 GPIO51_CIF_DD_2,
98 GPIO52_CIF_DD_4,
99 GPIO53_CIF_MCLK,
100 GPIO54_CIF_PCLK,
101 GPIO55_CIF_DD_1,
102 GPIO81_CIF_DD_0,
103 GPIO82_CIF_DD_5,
104 GPIO84_CIF_FV,
105 GPIO85_CIF_LV,
Robert Jarzmikc2219e42012-04-22 23:24:00 +0200106 MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100107
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100108 /* Bluetooth */
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100109 MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100110 GPIO44_BTUART_CTS,
111 GPIO42_BTUART_RXD,
112 GPIO45_BTUART_RTS,
113 GPIO43_BTUART_TXD,
114 MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100115 MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
116 MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100117
118 /* GPS */
119 MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
120 MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
121 MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
122 MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
123 MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
124 GPIO46_STUART_RXD,
125 GPIO47_STUART_TXD,
126
127 /* GSM */
128 MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
129 MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
130 MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
131 MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
132 MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
133 MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
134 GPIO34_FFUART_RXD,
135 GPIO35_FFUART_CTS,
136 GPIO36_FFUART_DCD,
137 GPIO37_FFUART_DSR,
138 GPIO39_FFUART_TXD,
139 GPIO40_FFUART_DTR,
140 GPIO41_FFUART_RTS,
141
142 /* Sound */
Eric Miaoc11b6a42010-01-04 17:00:13 +0800143 GPIO28_AC97_BITCLK,
144 GPIO29_AC97_SDATA_IN_0,
145 GPIO30_AC97_SDATA_OUT,
146 GPIO31_AC97_SYNC,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100147 GPIO89_AC97_SYSCLK,
148 MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
149
150 /* Leds */
151 MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
152 MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
153 MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
154 MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
155 MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
156
157 /* Keyboard */
158 MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
159 MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
160 MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
161 GPIO100_KP_MKIN_0,
162 GPIO101_KP_MKIN_1,
163 GPIO102_KP_MKIN_2,
164 GPIO103_KP_MKOUT_0,
165 GPIO104_KP_MKOUT_1,
166 GPIO105_KP_MKOUT_2,
167
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100168 /* I2C */
169 GPIO117_I2C_SCL,
170 GPIO118_I2C_SDA,
171
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100172 /* Unknown */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100173 MFP_CFG_IN(GPIO20, AF0),
174 MFP_CFG_IN(GPIO21, AF0),
175 MFP_CFG_IN(GPIO33, AF0),
176 MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
177 MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100178 MFP_CFG_IN(GPIO96, AF0),
179 MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
180};
181
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100182/* LCD Screen and Backlight */
183static struct platform_pwm_backlight_data mioa701_backlight_data = {
184 .pwm_id = 0,
185 .max_brightness = 100,
186 .dft_brightness = 50,
187 .pwm_period_ns = 4000 * 1024, /* Fl = 250kHz */
188};
189
190/*
191 * LTM0305A776C LCD panel timings
192 *
193 * see:
194 * - the LTM0305A776C datasheet,
195 * - and the PXA27x Programmers' manual
196 */
197static struct pxafb_mode_info mioa701_ltm0305a776c = {
198 .pixclock = 220000, /* CLK=4.545 MHz */
199 .xres = 240,
200 .yres = 320,
201 .bpp = 16,
202 .hsync_len = 4,
203 .vsync_len = 2,
204 .left_margin = 6,
205 .right_margin = 4,
206 .upper_margin = 5,
207 .lower_margin = 3,
208};
209
210static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
211{
212 gpio_set_value(GPIO87_LCD_POWER, on);
213}
214
215static struct pxafb_mach_info mioa701_pxafb_info = {
216 .modes = &mioa701_ltm0305a776c,
217 .num_modes = 1,
218 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
219 .pxafb_lcd_power = mioa701_lcd_power,
220};
221
222/*
223 * Keyboard configuration
224 */
Chao Xie0a085a92013-05-05 20:24:58 -0700225static const unsigned int mioa701_matrix_keys[] = {
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100226 KEY(0, 0, KEY_UP),
227 KEY(0, 1, KEY_RIGHT),
228 KEY(0, 2, KEY_MEDIA),
229 KEY(1, 0, KEY_DOWN),
230 KEY(1, 1, KEY_ENTER),
231 KEY(1, 2, KEY_CONNECT), /* GPS key */
232 KEY(2, 0, KEY_LEFT),
233 KEY(2, 1, KEY_PHONE), /* Phone Green key */
234 KEY(2, 2, KEY_CAMERA) /* Camera key */
235};
Chao Xie0a085a92013-05-05 20:24:58 -0700236
237static struct matrix_keymap_data mioa701_matrix_keymap_data = {
238 .keymap = mioa701_matrix_keys,
239 .keymap_size = ARRAY_SIZE(mioa701_matrix_keys),
240};
241
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100242static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
243 .matrix_key_rows = 3,
244 .matrix_key_cols = 3,
Chao Xie0a085a92013-05-05 20:24:58 -0700245 .matrix_keymap_data = &mioa701_matrix_keymap_data,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100246};
247
248/*
249 * GPIO Key Configuration
250 */
251#define MIO_KEY(key, _gpio, _desc, _wakeup) \
252 { .code = (key), .gpio = (_gpio), .active_low = 0, \
253 .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
254static struct gpio_keys_button mioa701_button_table[] = {
255 MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
256 MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
257 MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
258 MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
259};
260
261static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
262 .buttons = mioa701_button_table,
263 .nbuttons = ARRAY_SIZE(mioa701_button_table),
264};
265
266/*
267 * Leds and vibrator
268 */
269#define ONE_LED(_gpio, _name) \
270{ .gpio = (_gpio), .name = (_name), .active_low = true }
271static struct gpio_led gpio_leds[] = {
272 ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
273 ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
274 ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
275 ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
276 ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
277};
278
279static struct gpio_led_platform_data gpio_led_info = {
280 .leds = gpio_leds,
281 .num_leds = ARRAY_SIZE(gpio_leds),
282};
283
284/*
285 * GSM Sagem XS200 chip
286 *
287 * GSM handling was purged from kernel. For history, this is the way to go :
288 * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
289 * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
290 * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
291 * GPIO24_GSM_MOD_RESET_CMD = 0
292 * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
293 * GPIO88_GSM_nMOD_ON_CMD = 1
294 * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
295 * GPIO90_GSM_nMOD_OFF_CMD = 1
296 */
297static int is_gsm_on(void)
298{
299 int is_on;
300
301 is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
302 return is_on;
303}
304
305irqreturn_t gsm_on_irq(int irq, void *p)
306{
307 printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
308 is_gsm_on() ? "on" : "off");
309 return IRQ_HANDLED;
310}
311
Philipp Zabel4c738b22011-04-28 22:19:32 +0200312static struct gpio gsm_gpios[] = {
313 { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
314 { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100315};
316
317static int __init gsm_init(void)
318{
319 int rc;
320
Philipp Zabel4c738b22011-04-28 22:19:32 +0200321 rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100322 if (rc)
323 goto err_gpio;
324 rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
325 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
326 "GSM XS200 Power Irq", NULL);
327 if (rc)
328 goto err_irq;
329
330 gpio_set_wake(GPIO113_GSM_EVENT, 1);
331 return 0;
332
333err_irq:
334 printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
Philipp Zabel4c738b22011-04-28 22:19:32 +0200335 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100336err_gpio:
337 printk(KERN_ERR "Mioa701: gsm not available\n");
338 return rc;
339}
340
341static void gsm_exit(void)
342{
343 free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
Philipp Zabel4c738b22011-04-28 22:19:32 +0200344 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100345}
346
347/*
348 * Bluetooth BRF6150 chip
349 *
350 * BT handling was purged from kernel. For history, this is the way to go :
351 * - turn on : GPIO83_BT_ON = 1
352 * - turn off : GPIO83_BT_ON = 0
353 */
354
355/*
356 * GPS Sirf Star III chip
357 *
358 * GPS handling was purged from kernel. For history, this is the way to go :
359 * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
360 * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
361 * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
362 * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
363 */
364
365/*
366 * USB UDC
367 */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100368static int is_usb_connected(void)
369{
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100370 return !gpio_get_value(GPIO13_nUSB_DETECT);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100371}
372
373static struct pxa2xx_udc_mach_info mioa701_udc_info = {
374 .udc_is_connected = is_usb_connected,
Robert Jarzmikcefdb2a2009-01-31 21:07:09 +0100375 .gpio_pullup = GPIO22_USB_ENABLE,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100376};
377
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100378struct gpio_vbus_mach_info gpio_vbus_data = {
379 .gpio_vbus = GPIO13_nUSB_DETECT,
380 .gpio_vbus_inverted = 1,
381 .gpio_pullup = -1,
382};
383
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100384/*
385 * SDIO/MMC Card controller
386 */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100387/**
388 * The card detect interrupt isn't debounced so we delay it by 250ms
389 * to give the card a chance to fully insert/eject.
390 */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100391static struct pxamci_platform_data mioa701_mci_info = {
Eric Miaof97cab22010-04-14 07:00:42 +0800392 .detect_delay_ms = 250,
Robert Jarzmik7a648252009-07-06 22:16:42 +0200393 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
394 .gpio_card_detect = GPIO15_SDIO_INSERT,
395 .gpio_card_ro = GPIO78_SDIO_RO,
396 .gpio_power = GPIO91_SDIO_EN,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100397};
398
399/* FlashRAM */
Robert Jarzmik43a90872011-12-17 12:49:51 +0100400static struct resource docg3_resource = {
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100401 .start = PXA_CS0_PHYS,
Robert Jarzmik43a90872011-12-17 12:49:51 +0100402 .end = PXA_CS0_PHYS + SZ_8K - 1,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100403 .flags = IORESOURCE_MEM,
404};
405
Robert Jarzmik43a90872011-12-17 12:49:51 +0100406static struct platform_device docg3 = {
407 .name = "docg3",
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100408 .id = -1,
Robert Jarzmik43a90872011-12-17 12:49:51 +0100409 .resource = &docg3_resource,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100410 .num_resources = 1,
411 .dev = {
Robert Jarzmik43a90872011-12-17 12:49:51 +0100412 .platform_data = NULL,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100413 },
414};
415
416/*
417 * Suspend/Resume bootstrap management
418 *
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300419 * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100420 * this sequence is as follows :
421 * - disables interrupts
422 * - initialize SDRAM (self refresh RAM into active RAM)
423 * - initialize GPIOs (depends on value at 0xa020b020)
424 * - initialize coprossessors
425 * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
426 * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
427 * - else do a resume, ie. jump to addr 0xa0100000
428 */
429#define RESUME_ENABLE_ADDR 0xa020b000
430#define RESUME_ENABLE_VAL 0x0f0f0f0f
431#define RESUME_BT_ADDR 0xa020b020
432#define RESUME_UNKNOWN_ADDR 0xa020b024
433#define RESUME_VECTOR_ADDR 0xa0100000
434#define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
435
436static u32 *save_buffer;
437
438static void install_bootstrap(void)
439{
440 int i;
441 u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
442 u32 *src = &mioa701_bootstrap;
443
444 for (i = 0; i < BOOTSTRAP_WORDS; i++)
445 rom_bootstrap[i] = src[i];
446}
447
448
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200449static int mioa701_sys_suspend(void)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100450{
451 int i = 0, is_bt_on;
452 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
453 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
454 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
455 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
456
457 /* Devices prepare suspend */
Robert Jarzmik844c6f62008-11-17 20:29:04 +0100458 is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100459 pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
460 is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
461
462 for (i = 0; i < BOOTSTRAP_WORDS; i++)
463 save_buffer[i] = mem_resume_vector[i];
464 save_buffer[i++] = *mem_resume_enabler;
465 save_buffer[i++] = *mem_resume_bt;
466 save_buffer[i++] = *mem_resume_unknown;
467
468 *mem_resume_enabler = RESUME_ENABLE_VAL;
469 *mem_resume_bt = is_bt_on;
470
471 install_bootstrap();
472 return 0;
473}
474
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200475static void mioa701_sys_resume(void)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100476{
477 int i = 0;
478 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
479 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
480 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
481 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
482
483 for (i = 0; i < BOOTSTRAP_WORDS; i++)
484 mem_resume_vector[i] = save_buffer[i];
485 *mem_resume_enabler = save_buffer[i++];
486 *mem_resume_bt = save_buffer[i++];
487 *mem_resume_unknown = save_buffer[i++];
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100488}
489
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200490static struct syscore_ops mioa701_syscore_ops = {
491 .suspend = mioa701_sys_suspend,
492 .resume = mioa701_sys_resume,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100493};
494
495static int __init bootstrap_init(void)
496{
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100497 int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
498
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200499 register_syscore_ops(&mioa701_syscore_ops);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100500
501 save_buffer = kmalloc(save_size, GFP_KERNEL);
502 if (!save_buffer)
503 return -ENOMEM;
504 printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
505 save_size);
506 return 0;
507}
508
509static void bootstrap_exit(void)
510{
511 kfree(save_buffer);
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200512 unregister_syscore_ops(&mioa701_syscore_ops);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100513
514 printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
515 "resume !!!\n");
516}
517
518/*
519 * Power Supply
520 */
521static char *supplicants[] = {
522 "mioa701_battery"
523};
524
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100525static int is_ac_connected(void)
526{
527 return gpio_get_value(GPIO96_AC_DETECT);
528}
529
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100530static void mioa701_set_charge(int flags)
531{
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100532 gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100533}
534
535static struct pda_power_pdata power_pdata = {
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100536 .is_ac_online = is_ac_connected,
537 .is_usb_online = is_usb_connected,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100538 .set_charge = mioa701_set_charge,
539 .supplied_to = supplicants,
540 .num_supplicants = ARRAY_SIZE(supplicants),
541};
542
543static struct resource power_resources[] = {
544 [0] = {
545 .name = "ac",
Haojian Zhuang4929f5a2011-10-10 16:03:51 +0800546 .start = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
547 .end = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100548 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
549 IORESOURCE_IRQ_LOWEDGE,
550 },
551 [1] = {
552 .name = "usb",
Haojian Zhuang4929f5a2011-10-10 16:03:51 +0800553 .start = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
554 .end = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100555 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
556 IORESOURCE_IRQ_LOWEDGE,
557 },
558};
559
560static struct platform_device power_dev = {
561 .name = "pda-power",
562 .id = -1,
563 .resource = power_resources,
564 .num_resources = ARRAY_SIZE(power_resources),
565 .dev = {
566 .platform_data = &power_pdata,
567 },
568};
569
Marek Vasut241cf472010-06-04 03:07:33 +0200570static struct wm97xx_batt_pdata mioa701_battery_data = {
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100571 .batt_aux = WM97XX_AUX_ID1,
572 .temp_aux = -1,
573 .charge_gpio = -1,
574 .min_voltage = 0xc00,
575 .max_voltage = 0xfc0,
576 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
577 .batt_div = 1,
578 .batt_mult = 1,
579 .batt_name = "mioa701_battery",
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100580};
581
Marek Vasut241cf472010-06-04 03:07:33 +0200582static struct wm97xx_pdata mioa701_wm97xx_pdata = {
583 .batt_pdata = &mioa701_battery_data,
584};
585
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100586/*
Robert Jarzmik9752e142009-04-30 11:53:30 +0800587 * Voltage regulation
588 */
589static struct regulator_consumer_supply max1586_consumers[] = {
Axel Lin0bf189a2012-05-08 16:25:10 +0800590 REGULATOR_SUPPLY("vcc_core", NULL),
Robert Jarzmik9752e142009-04-30 11:53:30 +0800591};
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,
Robert Jarzmik43a90872011-12-17 12:49:51 +0100688 &docg3,
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 King271a74f2011-11-04 14:15:53 +0000699 pxa_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 King271a74f2011-11-04 14:15:53 +0000705 pxa_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 Jarzmikc2219e42012-04-22 23:24:00 +0200712 { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100713};
714
715static void __init mioa701_machine_init(void)
716{
Philipp Zabel4c738b22011-04-28 22:19:32 +0200717 int rc;
718
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100719 PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
720 PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
721 RTTR = 32768 - 1; /* Reset crazy WinCE value */
722 UP2OCR = UP2OCR_HXOE;
723
Robert Jarzmik43a90872011-12-17 12:49:51 +0100724 /*
725 * Set up the flash memory : DiskOnChip G3 on first static memory bank
726 */
727 __raw_writel(0x7ff02dd8, MSC0);
728 __raw_writel(0x0001c391, MCMEM0);
729 __raw_writel(0x0001c391, MCATT0);
730 __raw_writel(0x0001c391, MCIO0);
731
732
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100733 pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
Russell Kingcc155c62009-11-09 13:34:08 +0800734 pxa_set_ffuart_info(NULL);
735 pxa_set_btuart_info(NULL);
736 pxa_set_stuart_info(NULL);
Philipp Zabel4c738b22011-04-28 22:19:32 +0200737 rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
738 if (rc)
739 pr_err("MioA701: Failed to request GPIOs: %d", rc);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100740 bootstrap_init();
Russell King - ARM Linux4321e1a2011-02-15 15:37:30 +0800741 pxa_set_fb_info(NULL, &mioa701_pxafb_info);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100742 pxa_set_mci_info(&mioa701_mci_info);
743 pxa_set_keypad_info(&mioa701_keypad_info);
Robert Jarzmikcefdb2a2009-01-31 21:07:09 +0100744 pxa_set_udc_info(&mioa701_udc_info);
Robert Jarzmikcc8d2732009-04-13 16:07:55 +0200745 pxa_set_ac97_info(&mioa701_ac97_info);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100746 pm_power_off = mioa701_poweroff;
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100747 platform_add_devices(devices, ARRAY_SIZE(devices));
748 gsm_init();
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100749
Robert Jarzmik9752e142009-04-30 11:53:30 +0800750 i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100751 pxa_set_i2c_info(&i2c_pdata);
Robert Jarzmik9752e142009-04-30 11:53:30 +0800752 pxa27x_set_i2c_power_info(NULL);
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100753 pxa_set_camera_info(&mioa701_pxacamera_platform_data);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100754}
755
756static void mioa701_machine_exit(void)
757{
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100758 bootstrap_exit();
759 gsm_exit();
760}
761
762MACHINE_START(MIOA701, "MIO A701")
Nicolas Pitre7375aba2011-07-05 22:38:15 -0400763 .atag_offset = 0x100,
Russell King34adeda2011-11-01 16:24:18 +0000764 .restart_mode = 's',
Marek Vasut851982c2010-10-11 02:20:19 +0200765 .map_io = &pxa27x_map_io,
Rob Herring4e611092012-01-03 16:53:48 -0600766 .nr_irqs = PXA_NR_IRQS,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100767 .init_irq = &pxa27x_init_irq,
Eric Miao8a97ae22011-05-18 21:30:04 +0800768 .handle_irq = &pxa27x_handle_irq,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100769 .init_machine = mioa701_machine_init,
Stephen Warren6bb27d72012-11-08 12:40:59 -0700770 .init_time = pxa_timer_init,
Russell King271a74f2011-11-04 14:15:53 +0000771 .restart = mioa701_restart,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100772MACHINE_END