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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>
Robin Holt7b6d8642013-07-08 16:01:40 -070040#include <linux/reboot.h>
Robert Jarzmik9752e142009-04-30 11:53:30 +080041#include <linux/regulator/max1586.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090042#include <linux/slab.h>
Sebastian Andrzej Siewiorb4593962011-02-23 12:38:16 +010043#include <linux/i2c/pxa-i2c.h>
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010044
45#include <asm/mach-types.h>
46#include <asm/mach/arch.h>
Eric Miao51c62982009-01-02 23:17:22 +080047
48#include <mach/pxa27x.h>
Eric Miao5bf3df32009-01-20 11:04:16 +080049#include <mach/regs-rtc.h>
Arnd Bergmann293b2da2012-08-24 15:16:48 +020050#include <linux/platform_data/keypad-pxa27x.h>
51#include <linux/platform_data/video-pxafb.h>
52#include <linux/platform_data/mmc-pxamci.h>
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010053#include <mach/udc.h>
54#include <mach/pxa27x-udc.h>
Arnd Bergmann293b2da2012-08-24 15:16:48 +020055#include <linux/platform_data/camera-pxa.h>
Mark Brown80748fb2009-04-03 12:45:49 +010056#include <mach/audio.h>
Robert Jarzmik43a90872011-12-17 12:49:51 +010057#include <mach/smemc.h>
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +010058#include <media/soc_camera.h>
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010059
60#include <mach/mioa701.h>
61
62#include "generic.h"
63#include "devices.h"
64
65static unsigned long mioa701_pin_config[] = {
66 /* Mio global */
Robert Jarzmikc96763d2008-11-18 20:23:32 +010067 MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010068 MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
69 MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
70 MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
Robert Jarzmikc96763d2008-11-18 20:23:32 +010071 MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010072
73 /* Backlight PWM 0 */
74 GPIO16_PWM0_OUT,
75
76 /* MMC */
77 GPIO32_MMC_CLK,
78 GPIO92_MMC_DAT_0,
79 GPIO109_MMC_DAT_1,
80 GPIO110_MMC_DAT_2,
81 GPIO111_MMC_DAT_3,
82 GPIO112_MMC_CMD,
83 MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
84 MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
85 MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
86
87 /* USB */
Robert Jarzmikc96763d2008-11-18 20:23:32 +010088 MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010089 MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
90
91 /* LCD */
Eric Miaobedbda92010-01-04 11:37:14 +080092 GPIOxx_LCD_TFT_16BPP,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010093
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +010094 /* QCI */
95 GPIO12_CIF_DD_7,
96 GPIO17_CIF_DD_6,
97 GPIO50_CIF_DD_3,
98 GPIO51_CIF_DD_2,
99 GPIO52_CIF_DD_4,
100 GPIO53_CIF_MCLK,
101 GPIO54_CIF_PCLK,
102 GPIO55_CIF_DD_1,
103 GPIO81_CIF_DD_0,
104 GPIO82_CIF_DD_5,
105 GPIO84_CIF_FV,
106 GPIO85_CIF_LV,
Robert Jarzmikc2219e42012-04-22 23:24:00 +0200107 MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100108
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100109 /* Bluetooth */
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100110 MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100111 GPIO44_BTUART_CTS,
112 GPIO42_BTUART_RXD,
113 GPIO45_BTUART_RTS,
114 GPIO43_BTUART_TXD,
115 MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100116 MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
117 MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100118
119 /* GPS */
120 MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
121 MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
122 MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
123 MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
124 MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
125 GPIO46_STUART_RXD,
126 GPIO47_STUART_TXD,
127
128 /* GSM */
129 MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
130 MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
131 MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
132 MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
133 MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
134 MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
135 GPIO34_FFUART_RXD,
136 GPIO35_FFUART_CTS,
137 GPIO36_FFUART_DCD,
138 GPIO37_FFUART_DSR,
139 GPIO39_FFUART_TXD,
140 GPIO40_FFUART_DTR,
141 GPIO41_FFUART_RTS,
142
143 /* Sound */
Eric Miaoc11b6a42010-01-04 17:00:13 +0800144 GPIO28_AC97_BITCLK,
145 GPIO29_AC97_SDATA_IN_0,
146 GPIO30_AC97_SDATA_OUT,
147 GPIO31_AC97_SYNC,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100148 GPIO89_AC97_SYSCLK,
149 MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
150
151 /* Leds */
152 MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
153 MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
154 MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
155 MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
156 MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
157
158 /* Keyboard */
159 MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
160 MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
161 MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
162 GPIO100_KP_MKIN_0,
163 GPIO101_KP_MKIN_1,
164 GPIO102_KP_MKIN_2,
165 GPIO103_KP_MKOUT_0,
166 GPIO104_KP_MKOUT_1,
167 GPIO105_KP_MKOUT_2,
168
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100169 /* I2C */
170 GPIO117_I2C_SCL,
171 GPIO118_I2C_SDA,
172
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100173 /* Unknown */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100174 MFP_CFG_IN(GPIO20, AF0),
175 MFP_CFG_IN(GPIO21, AF0),
176 MFP_CFG_IN(GPIO33, AF0),
177 MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
178 MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100179 MFP_CFG_IN(GPIO96, AF0),
180 MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
181};
182
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100183/* LCD Screen and Backlight */
184static struct platform_pwm_backlight_data mioa701_backlight_data = {
185 .pwm_id = 0,
186 .max_brightness = 100,
187 .dft_brightness = 50,
188 .pwm_period_ns = 4000 * 1024, /* Fl = 250kHz */
189};
190
191/*
192 * LTM0305A776C LCD panel timings
193 *
194 * see:
195 * - the LTM0305A776C datasheet,
196 * - and the PXA27x Programmers' manual
197 */
198static struct pxafb_mode_info mioa701_ltm0305a776c = {
199 .pixclock = 220000, /* CLK=4.545 MHz */
200 .xres = 240,
201 .yres = 320,
202 .bpp = 16,
203 .hsync_len = 4,
204 .vsync_len = 2,
205 .left_margin = 6,
206 .right_margin = 4,
207 .upper_margin = 5,
208 .lower_margin = 3,
209};
210
211static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
212{
213 gpio_set_value(GPIO87_LCD_POWER, on);
214}
215
216static struct pxafb_mach_info mioa701_pxafb_info = {
217 .modes = &mioa701_ltm0305a776c,
218 .num_modes = 1,
219 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
220 .pxafb_lcd_power = mioa701_lcd_power,
221};
222
223/*
224 * Keyboard configuration
225 */
Chao Xie0a085a92013-05-05 20:24:58 -0700226static const unsigned int mioa701_matrix_keys[] = {
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100227 KEY(0, 0, KEY_UP),
228 KEY(0, 1, KEY_RIGHT),
229 KEY(0, 2, KEY_MEDIA),
230 KEY(1, 0, KEY_DOWN),
231 KEY(1, 1, KEY_ENTER),
232 KEY(1, 2, KEY_CONNECT), /* GPS key */
233 KEY(2, 0, KEY_LEFT),
234 KEY(2, 1, KEY_PHONE), /* Phone Green key */
235 KEY(2, 2, KEY_CAMERA) /* Camera key */
236};
Chao Xie0a085a92013-05-05 20:24:58 -0700237
238static struct matrix_keymap_data mioa701_matrix_keymap_data = {
239 .keymap = mioa701_matrix_keys,
240 .keymap_size = ARRAY_SIZE(mioa701_matrix_keys),
241};
242
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100243static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
244 .matrix_key_rows = 3,
245 .matrix_key_cols = 3,
Chao Xie0a085a92013-05-05 20:24:58 -0700246 .matrix_keymap_data = &mioa701_matrix_keymap_data,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100247};
248
249/*
250 * GPIO Key Configuration
251 */
252#define MIO_KEY(key, _gpio, _desc, _wakeup) \
253 { .code = (key), .gpio = (_gpio), .active_low = 0, \
254 .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
255static struct gpio_keys_button mioa701_button_table[] = {
256 MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
257 MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
258 MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
259 MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
260};
261
262static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
263 .buttons = mioa701_button_table,
264 .nbuttons = ARRAY_SIZE(mioa701_button_table),
265};
266
267/*
268 * Leds and vibrator
269 */
270#define ONE_LED(_gpio, _name) \
271{ .gpio = (_gpio), .name = (_name), .active_low = true }
272static struct gpio_led gpio_leds[] = {
273 ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
274 ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
275 ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
276 ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
277 ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
278};
279
280static struct gpio_led_platform_data gpio_led_info = {
281 .leds = gpio_leds,
282 .num_leds = ARRAY_SIZE(gpio_leds),
283};
284
285/*
286 * GSM Sagem XS200 chip
287 *
288 * GSM handling was purged from kernel. For history, this is the way to go :
289 * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
290 * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
291 * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
292 * GPIO24_GSM_MOD_RESET_CMD = 0
293 * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
294 * GPIO88_GSM_nMOD_ON_CMD = 1
295 * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
296 * GPIO90_GSM_nMOD_OFF_CMD = 1
297 */
298static int is_gsm_on(void)
299{
300 int is_on;
301
302 is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
303 return is_on;
304}
305
306irqreturn_t gsm_on_irq(int irq, void *p)
307{
308 printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
309 is_gsm_on() ? "on" : "off");
310 return IRQ_HANDLED;
311}
312
Philipp Zabel4c738b22011-04-28 22:19:32 +0200313static struct gpio gsm_gpios[] = {
314 { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
315 { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100316};
317
318static int __init gsm_init(void)
319{
320 int rc;
321
Philipp Zabel4c738b22011-04-28 22:19:32 +0200322 rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100323 if (rc)
324 goto err_gpio;
325 rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
326 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
327 "GSM XS200 Power Irq", NULL);
328 if (rc)
329 goto err_irq;
330
331 gpio_set_wake(GPIO113_GSM_EVENT, 1);
332 return 0;
333
334err_irq:
335 printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
Philipp Zabel4c738b22011-04-28 22:19:32 +0200336 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100337err_gpio:
338 printk(KERN_ERR "Mioa701: gsm not available\n");
339 return rc;
340}
341
342static void gsm_exit(void)
343{
344 free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
Philipp Zabel4c738b22011-04-28 22:19:32 +0200345 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100346}
347
348/*
349 * Bluetooth BRF6150 chip
350 *
351 * BT handling was purged from kernel. For history, this is the way to go :
352 * - turn on : GPIO83_BT_ON = 1
353 * - turn off : GPIO83_BT_ON = 0
354 */
355
356/*
357 * GPS Sirf Star III chip
358 *
359 * GPS handling was purged from kernel. For history, this is the way to go :
360 * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
361 * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
362 * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
363 * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
364 */
365
366/*
367 * USB UDC
368 */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100369static int is_usb_connected(void)
370{
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100371 return !gpio_get_value(GPIO13_nUSB_DETECT);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100372}
373
374static struct pxa2xx_udc_mach_info mioa701_udc_info = {
375 .udc_is_connected = is_usb_connected,
Robert Jarzmikcefdb2a2009-01-31 21:07:09 +0100376 .gpio_pullup = GPIO22_USB_ENABLE,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100377};
378
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100379struct gpio_vbus_mach_info gpio_vbus_data = {
380 .gpio_vbus = GPIO13_nUSB_DETECT,
381 .gpio_vbus_inverted = 1,
382 .gpio_pullup = -1,
383};
384
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100385/*
386 * SDIO/MMC Card controller
387 */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100388/**
389 * The card detect interrupt isn't debounced so we delay it by 250ms
390 * to give the card a chance to fully insert/eject.
391 */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100392static struct pxamci_platform_data mioa701_mci_info = {
Eric Miaof97cab22010-04-14 07:00:42 +0800393 .detect_delay_ms = 250,
Robert Jarzmik7a648252009-07-06 22:16:42 +0200394 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
395 .gpio_card_detect = GPIO15_SDIO_INSERT,
396 .gpio_card_ro = GPIO78_SDIO_RO,
397 .gpio_power = GPIO91_SDIO_EN,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100398};
399
400/* FlashRAM */
Robert Jarzmik43a90872011-12-17 12:49:51 +0100401static struct resource docg3_resource = {
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100402 .start = PXA_CS0_PHYS,
Robert Jarzmik43a90872011-12-17 12:49:51 +0100403 .end = PXA_CS0_PHYS + SZ_8K - 1,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100404 .flags = IORESOURCE_MEM,
405};
406
Robert Jarzmik43a90872011-12-17 12:49:51 +0100407static struct platform_device docg3 = {
408 .name = "docg3",
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100409 .id = -1,
Robert Jarzmik43a90872011-12-17 12:49:51 +0100410 .resource = &docg3_resource,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100411 .num_resources = 1,
412 .dev = {
Robert Jarzmik43a90872011-12-17 12:49:51 +0100413 .platform_data = NULL,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100414 },
415};
416
417/*
418 * Suspend/Resume bootstrap management
419 *
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300420 * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100421 * this sequence is as follows :
422 * - disables interrupts
423 * - initialize SDRAM (self refresh RAM into active RAM)
424 * - initialize GPIOs (depends on value at 0xa020b020)
425 * - initialize coprossessors
426 * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
427 * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
428 * - else do a resume, ie. jump to addr 0xa0100000
429 */
430#define RESUME_ENABLE_ADDR 0xa020b000
431#define RESUME_ENABLE_VAL 0x0f0f0f0f
432#define RESUME_BT_ADDR 0xa020b020
433#define RESUME_UNKNOWN_ADDR 0xa020b024
434#define RESUME_VECTOR_ADDR 0xa0100000
435#define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
436
437static u32 *save_buffer;
438
439static void install_bootstrap(void)
440{
441 int i;
442 u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
443 u32 *src = &mioa701_bootstrap;
444
445 for (i = 0; i < BOOTSTRAP_WORDS; i++)
446 rom_bootstrap[i] = src[i];
447}
448
449
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200450static int mioa701_sys_suspend(void)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100451{
452 int i = 0, is_bt_on;
453 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
454 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
455 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
456 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
457
458 /* Devices prepare suspend */
Robert Jarzmik844c6f62008-11-17 20:29:04 +0100459 is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100460 pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
461 is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
462
463 for (i = 0; i < BOOTSTRAP_WORDS; i++)
464 save_buffer[i] = mem_resume_vector[i];
465 save_buffer[i++] = *mem_resume_enabler;
466 save_buffer[i++] = *mem_resume_bt;
467 save_buffer[i++] = *mem_resume_unknown;
468
469 *mem_resume_enabler = RESUME_ENABLE_VAL;
470 *mem_resume_bt = is_bt_on;
471
472 install_bootstrap();
473 return 0;
474}
475
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200476static void mioa701_sys_resume(void)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100477{
478 int i = 0;
479 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
480 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
481 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
482 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
483
484 for (i = 0; i < BOOTSTRAP_WORDS; i++)
485 mem_resume_vector[i] = save_buffer[i];
486 *mem_resume_enabler = save_buffer[i++];
487 *mem_resume_bt = save_buffer[i++];
488 *mem_resume_unknown = save_buffer[i++];
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100489}
490
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200491static struct syscore_ops mioa701_syscore_ops = {
492 .suspend = mioa701_sys_suspend,
493 .resume = mioa701_sys_resume,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100494};
495
496static int __init bootstrap_init(void)
497{
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100498 int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
499
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200500 register_syscore_ops(&mioa701_syscore_ops);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100501
502 save_buffer = kmalloc(save_size, GFP_KERNEL);
503 if (!save_buffer)
504 return -ENOMEM;
505 printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
506 save_size);
507 return 0;
508}
509
510static void bootstrap_exit(void)
511{
512 kfree(save_buffer);
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200513 unregister_syscore_ops(&mioa701_syscore_ops);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100514
515 printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
516 "resume !!!\n");
517}
518
519/*
520 * Power Supply
521 */
522static char *supplicants[] = {
523 "mioa701_battery"
524};
525
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100526static int is_ac_connected(void)
527{
528 return gpio_get_value(GPIO96_AC_DETECT);
529}
530
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100531static void mioa701_set_charge(int flags)
532{
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100533 gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100534}
535
536static struct pda_power_pdata power_pdata = {
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100537 .is_ac_online = is_ac_connected,
538 .is_usb_online = is_usb_connected,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100539 .set_charge = mioa701_set_charge,
540 .supplied_to = supplicants,
541 .num_supplicants = ARRAY_SIZE(supplicants),
542};
543
544static struct resource power_resources[] = {
545 [0] = {
546 .name = "ac",
Haojian Zhuang4929f5a2011-10-10 16:03:51 +0800547 .start = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
548 .end = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100549 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
550 IORESOURCE_IRQ_LOWEDGE,
551 },
552 [1] = {
553 .name = "usb",
Haojian Zhuang4929f5a2011-10-10 16:03:51 +0800554 .start = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
555 .end = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100556 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
557 IORESOURCE_IRQ_LOWEDGE,
558 },
559};
560
561static struct platform_device power_dev = {
562 .name = "pda-power",
563 .id = -1,
564 .resource = power_resources,
565 .num_resources = ARRAY_SIZE(power_resources),
566 .dev = {
567 .platform_data = &power_pdata,
568 },
569};
570
Marek Vasut241cf472010-06-04 03:07:33 +0200571static struct wm97xx_batt_pdata mioa701_battery_data = {
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100572 .batt_aux = WM97XX_AUX_ID1,
573 .temp_aux = -1,
574 .charge_gpio = -1,
575 .min_voltage = 0xc00,
576 .max_voltage = 0xfc0,
577 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
578 .batt_div = 1,
579 .batt_mult = 1,
580 .batt_name = "mioa701_battery",
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100581};
582
Marek Vasut241cf472010-06-04 03:07:33 +0200583static struct wm97xx_pdata mioa701_wm97xx_pdata = {
584 .batt_pdata = &mioa701_battery_data,
585};
586
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100587/*
Robert Jarzmik9752e142009-04-30 11:53:30 +0800588 * Voltage regulation
589 */
590static struct regulator_consumer_supply max1586_consumers[] = {
Axel Lin0bf189a2012-05-08 16:25:10 +0800591 REGULATOR_SUPPLY("vcc_core", NULL),
Robert Jarzmik9752e142009-04-30 11:53:30 +0800592};
593
594static struct regulator_init_data max1586_v3_info = {
595 .constraints = {
596 .name = "vcc_core range",
597 .min_uV = 1000000,
598 .max_uV = 1705000,
599 .always_on = 1,
600 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
601 },
602 .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
603 .consumer_supplies = max1586_consumers,
604};
605
606static struct max1586_subdev_data max1586_subdevs[] = {
607 { .name = "vcc_core", .id = MAX1586_V3,
608 .platform_data = &max1586_v3_info },
609};
610
611static struct max1586_platform_data max1586_info = {
612 .subdevs = max1586_subdevs,
613 .num_subdevs = ARRAY_SIZE(max1586_subdevs),
Philipp Zabele567b742009-05-28 07:15:17 +0200614 .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
Robert Jarzmik9752e142009-04-30 11:53:30 +0800615};
616
617/*
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100618 * Camera interface
619 */
620struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
621 .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
622 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
623 .mclk_10khz = 5000,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100624};
625
Robert Jarzmik9752e142009-04-30 11:53:30 +0800626static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
627 {
628 I2C_BOARD_INFO("max1586", 0x14),
629 .platform_data = &max1586_info,
630 },
631};
632
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100633/* Board I2C devices. */
Robert Jarzmik8dbed712010-06-02 23:29:50 +0200634static struct i2c_board_info mioa701_i2c_devices[] = {
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100635 {
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100636 I2C_BOARD_INFO("mt9m111", 0x5d),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100637 },
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100638};
639
Guennadi Liakhovetskia48c24a2009-04-24 18:40:27 +0200640static struct soc_camera_link iclink = {
641 .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */
642 .board_info = &mioa701_i2c_devices[0],
643 .i2c_adapter_id = 0,
Guennadi Liakhovetskia48c24a2009-04-24 18:40:27 +0200644};
645
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100646struct i2c_pxa_platform_data i2c_pdata = {
647 .fast_mode = 1,
648};
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100649
Robert Jarzmikcc8d2732009-04-13 16:07:55 +0200650static pxa2xx_audio_ops_t mioa701_ac97_info = {
651 .reset_gpio = 95,
Marek Vasut241cf472010-06-04 03:07:33 +0200652 .codec_pdata = { &mioa701_wm97xx_pdata, },
Robert Jarzmikcc8d2732009-04-13 16:07:55 +0200653};
654
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100655/*
656 * Mio global
657 */
658
659/* Devices */
660#define MIO_PARENT_DEV(var, strname, tparent, pdata) \
661static struct platform_device var = { \
662 .name = strname, \
663 .id = -1, \
664 .dev = { \
665 .platform_data = pdata, \
666 .parent = tparent, \
667 }, \
668};
669#define MIO_SIMPLE_DEV(var, strname, pdata) \
670 MIO_PARENT_DEV(var, strname, NULL, pdata)
671
672MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data)
673MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev,
674 &mioa701_backlight_data);
675MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info)
676MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100677MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL)
678MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL)
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100679MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data);
Guennadi Liakhovetskia48c24a2009-04-24 18:40:27 +0200680MIO_SIMPLE_DEV(mioa701_camera, "soc-camera-pdrv",&iclink);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100681
682static struct platform_device *devices[] __initdata = {
683 &mioa701_gpio_keys,
684 &mioa701_backlight,
685 &mioa701_led,
686 &pxa2xx_pcm,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100687 &mioa701_sound,
688 &power_dev,
Robert Jarzmik43a90872011-12-17 12:49:51 +0100689 &docg3,
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100690 &gpio_vbus,
Guennadi Liakhovetskia48c24a2009-04-24 18:40:27 +0200691 &mioa701_camera,
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100692 &mioa701_board,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100693};
694
695static void mioa701_machine_exit(void);
696
697static void mioa701_poweroff(void)
698{
699 mioa701_machine_exit();
Robin Holt7b6d8642013-07-08 16:01:40 -0700700 pxa_restart(REBOOT_SOFT, NULL);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100701}
702
Robin Holt7b6d8642013-07-08 16:01:40 -0700703static void mioa701_restart(enum reboot_mode c, const char *cmd)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100704{
705 mioa701_machine_exit();
Robin Holt7b6d8642013-07-08 16:01:40 -0700706 pxa_restart(REBOOT_SOFT, cmd);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100707}
708
Philipp Zabel4c738b22011-04-28 22:19:32 +0200709static struct gpio global_gpios[] = {
710 { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
711 { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
712 { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
Robert Jarzmikc2219e42012-04-22 23:24:00 +0200713 { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100714};
715
716static void __init mioa701_machine_init(void)
717{
Philipp Zabel4c738b22011-04-28 22:19:32 +0200718 int rc;
719
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100720 PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
721 PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
722 RTTR = 32768 - 1; /* Reset crazy WinCE value */
723 UP2OCR = UP2OCR_HXOE;
724
Robert Jarzmik43a90872011-12-17 12:49:51 +0100725 /*
726 * Set up the flash memory : DiskOnChip G3 on first static memory bank
727 */
728 __raw_writel(0x7ff02dd8, MSC0);
729 __raw_writel(0x0001c391, MCMEM0);
730 __raw_writel(0x0001c391, MCATT0);
731 __raw_writel(0x0001c391, MCIO0);
732
733
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100734 pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
Russell Kingcc155c62009-11-09 13:34:08 +0800735 pxa_set_ffuart_info(NULL);
736 pxa_set_btuart_info(NULL);
737 pxa_set_stuart_info(NULL);
Philipp Zabel4c738b22011-04-28 22:19:32 +0200738 rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
739 if (rc)
740 pr_err("MioA701: Failed to request GPIOs: %d", rc);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100741 bootstrap_init();
Russell King - ARM Linux4321e1a2011-02-15 15:37:30 +0800742 pxa_set_fb_info(NULL, &mioa701_pxafb_info);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100743 pxa_set_mci_info(&mioa701_mci_info);
744 pxa_set_keypad_info(&mioa701_keypad_info);
Robert Jarzmikcefdb2a2009-01-31 21:07:09 +0100745 pxa_set_udc_info(&mioa701_udc_info);
Robert Jarzmikcc8d2732009-04-13 16:07:55 +0200746 pxa_set_ac97_info(&mioa701_ac97_info);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100747 pm_power_off = mioa701_poweroff;
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100748 platform_add_devices(devices, ARRAY_SIZE(devices));
749 gsm_init();
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100750
Robert Jarzmik9752e142009-04-30 11:53:30 +0800751 i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100752 pxa_set_i2c_info(&i2c_pdata);
Robert Jarzmik9752e142009-04-30 11:53:30 +0800753 pxa27x_set_i2c_power_info(NULL);
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100754 pxa_set_camera_info(&mioa701_pxacamera_platform_data);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100755}
756
757static void mioa701_machine_exit(void)
758{
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100759 bootstrap_exit();
760 gsm_exit();
761}
762
763MACHINE_START(MIOA701, "MIO A701")
Nicolas Pitre7375aba2011-07-05 22:38:15 -0400764 .atag_offset = 0x100,
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