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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>
Mark F. Brown4a2490e2010-09-03 18:28:06 -040049#include <plat/pxa27x_keypad.h>
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010050#include <mach/pxafb.h>
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010051#include <mach/mmc.h>
52#include <mach/udc.h>
53#include <mach/pxa27x-udc.h>
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +010054#include <mach/camera.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,
106
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100107 /* Bluetooth */
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100108 MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100109 GPIO44_BTUART_CTS,
110 GPIO42_BTUART_RXD,
111 GPIO45_BTUART_RTS,
112 GPIO43_BTUART_TXD,
113 MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100114 MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
115 MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100116
117 /* GPS */
118 MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
119 MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
120 MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
121 MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
122 MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
123 GPIO46_STUART_RXD,
124 GPIO47_STUART_TXD,
125
126 /* GSM */
127 MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
128 MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
129 MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
130 MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
131 MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
132 MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
133 GPIO34_FFUART_RXD,
134 GPIO35_FFUART_CTS,
135 GPIO36_FFUART_DCD,
136 GPIO37_FFUART_DSR,
137 GPIO39_FFUART_TXD,
138 GPIO40_FFUART_DTR,
139 GPIO41_FFUART_RTS,
140
141 /* Sound */
Eric Miaoc11b6a42010-01-04 17:00:13 +0800142 GPIO28_AC97_BITCLK,
143 GPIO29_AC97_SDATA_IN_0,
144 GPIO30_AC97_SDATA_OUT,
145 GPIO31_AC97_SYNC,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100146 GPIO89_AC97_SYSCLK,
147 MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
148
149 /* Leds */
150 MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
151 MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
152 MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
153 MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
154 MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
155
156 /* Keyboard */
157 MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
158 MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
159 MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
160 GPIO100_KP_MKIN_0,
161 GPIO101_KP_MKIN_1,
162 GPIO102_KP_MKIN_2,
163 GPIO103_KP_MKOUT_0,
164 GPIO104_KP_MKOUT_1,
165 GPIO105_KP_MKOUT_2,
166
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100167 /* I2C */
168 GPIO117_I2C_SCL,
169 GPIO118_I2C_SDA,
170
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100171 /* Unknown */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100172 MFP_CFG_IN(GPIO20, AF0),
173 MFP_CFG_IN(GPIO21, AF0),
174 MFP_CFG_IN(GPIO33, AF0),
175 MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
176 MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100177 MFP_CFG_IN(GPIO96, AF0),
178 MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
179};
180
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100181/* LCD Screen and Backlight */
182static struct platform_pwm_backlight_data mioa701_backlight_data = {
183 .pwm_id = 0,
184 .max_brightness = 100,
185 .dft_brightness = 50,
186 .pwm_period_ns = 4000 * 1024, /* Fl = 250kHz */
187};
188
189/*
190 * LTM0305A776C LCD panel timings
191 *
192 * see:
193 * - the LTM0305A776C datasheet,
194 * - and the PXA27x Programmers' manual
195 */
196static struct pxafb_mode_info mioa701_ltm0305a776c = {
197 .pixclock = 220000, /* CLK=4.545 MHz */
198 .xres = 240,
199 .yres = 320,
200 .bpp = 16,
201 .hsync_len = 4,
202 .vsync_len = 2,
203 .left_margin = 6,
204 .right_margin = 4,
205 .upper_margin = 5,
206 .lower_margin = 3,
207};
208
209static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
210{
211 gpio_set_value(GPIO87_LCD_POWER, on);
212}
213
214static struct pxafb_mach_info mioa701_pxafb_info = {
215 .modes = &mioa701_ltm0305a776c,
216 .num_modes = 1,
217 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
218 .pxafb_lcd_power = mioa701_lcd_power,
219};
220
221/*
222 * Keyboard configuration
223 */
224static unsigned int mioa701_matrix_keys[] = {
225 KEY(0, 0, KEY_UP),
226 KEY(0, 1, KEY_RIGHT),
227 KEY(0, 2, KEY_MEDIA),
228 KEY(1, 0, KEY_DOWN),
229 KEY(1, 1, KEY_ENTER),
230 KEY(1, 2, KEY_CONNECT), /* GPS key */
231 KEY(2, 0, KEY_LEFT),
232 KEY(2, 1, KEY_PHONE), /* Phone Green key */
233 KEY(2, 2, KEY_CAMERA) /* Camera key */
234};
235static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
236 .matrix_key_rows = 3,
237 .matrix_key_cols = 3,
238 .matrix_key_map = mioa701_matrix_keys,
239 .matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys),
240};
241
242/*
243 * GPIO Key Configuration
244 */
245#define MIO_KEY(key, _gpio, _desc, _wakeup) \
246 { .code = (key), .gpio = (_gpio), .active_low = 0, \
247 .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
248static struct gpio_keys_button mioa701_button_table[] = {
249 MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
250 MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
251 MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
252 MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
253};
254
255static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
256 .buttons = mioa701_button_table,
257 .nbuttons = ARRAY_SIZE(mioa701_button_table),
258};
259
260/*
261 * Leds and vibrator
262 */
263#define ONE_LED(_gpio, _name) \
264{ .gpio = (_gpio), .name = (_name), .active_low = true }
265static struct gpio_led gpio_leds[] = {
266 ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
267 ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
268 ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
269 ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
270 ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
271};
272
273static struct gpio_led_platform_data gpio_led_info = {
274 .leds = gpio_leds,
275 .num_leds = ARRAY_SIZE(gpio_leds),
276};
277
278/*
279 * GSM Sagem XS200 chip
280 *
281 * GSM handling was purged from kernel. For history, this is the way to go :
282 * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
283 * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
284 * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
285 * GPIO24_GSM_MOD_RESET_CMD = 0
286 * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
287 * GPIO88_GSM_nMOD_ON_CMD = 1
288 * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
289 * GPIO90_GSM_nMOD_OFF_CMD = 1
290 */
291static int is_gsm_on(void)
292{
293 int is_on;
294
295 is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
296 return is_on;
297}
298
299irqreturn_t gsm_on_irq(int irq, void *p)
300{
301 printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
302 is_gsm_on() ? "on" : "off");
303 return IRQ_HANDLED;
304}
305
Philipp Zabel4c738b22011-04-28 22:19:32 +0200306static struct gpio gsm_gpios[] = {
307 { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
308 { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100309};
310
311static int __init gsm_init(void)
312{
313 int rc;
314
Philipp Zabel4c738b22011-04-28 22:19:32 +0200315 rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100316 if (rc)
317 goto err_gpio;
318 rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
319 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
320 "GSM XS200 Power Irq", NULL);
321 if (rc)
322 goto err_irq;
323
324 gpio_set_wake(GPIO113_GSM_EVENT, 1);
325 return 0;
326
327err_irq:
328 printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
Philipp Zabel4c738b22011-04-28 22:19:32 +0200329 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100330err_gpio:
331 printk(KERN_ERR "Mioa701: gsm not available\n");
332 return rc;
333}
334
335static void gsm_exit(void)
336{
337 free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
Philipp Zabel4c738b22011-04-28 22:19:32 +0200338 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100339}
340
341/*
342 * Bluetooth BRF6150 chip
343 *
344 * BT handling was purged from kernel. For history, this is the way to go :
345 * - turn on : GPIO83_BT_ON = 1
346 * - turn off : GPIO83_BT_ON = 0
347 */
348
349/*
350 * GPS Sirf Star III chip
351 *
352 * GPS handling was purged from kernel. For history, this is the way to go :
353 * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
354 * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
355 * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
356 * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
357 */
358
359/*
360 * USB UDC
361 */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100362static int is_usb_connected(void)
363{
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100364 return !gpio_get_value(GPIO13_nUSB_DETECT);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100365}
366
367static struct pxa2xx_udc_mach_info mioa701_udc_info = {
368 .udc_is_connected = is_usb_connected,
Robert Jarzmikcefdb2a2009-01-31 21:07:09 +0100369 .gpio_pullup = GPIO22_USB_ENABLE,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100370};
371
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100372struct gpio_vbus_mach_info gpio_vbus_data = {
373 .gpio_vbus = GPIO13_nUSB_DETECT,
374 .gpio_vbus_inverted = 1,
375 .gpio_pullup = -1,
376};
377
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100378/*
379 * SDIO/MMC Card controller
380 */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100381/**
382 * The card detect interrupt isn't debounced so we delay it by 250ms
383 * to give the card a chance to fully insert/eject.
384 */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100385static struct pxamci_platform_data mioa701_mci_info = {
Eric Miaof97cab22010-04-14 07:00:42 +0800386 .detect_delay_ms = 250,
Robert Jarzmik7a648252009-07-06 22:16:42 +0200387 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
388 .gpio_card_detect = GPIO15_SDIO_INSERT,
389 .gpio_card_ro = GPIO78_SDIO_RO,
390 .gpio_power = GPIO91_SDIO_EN,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100391};
392
393/* FlashRAM */
Robert Jarzmik43a90872011-12-17 12:49:51 +0100394static struct resource docg3_resource = {
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100395 .start = PXA_CS0_PHYS,
Robert Jarzmik43a90872011-12-17 12:49:51 +0100396 .end = PXA_CS0_PHYS + SZ_8K - 1,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100397 .flags = IORESOURCE_MEM,
398};
399
Robert Jarzmik43a90872011-12-17 12:49:51 +0100400static struct platform_device docg3 = {
401 .name = "docg3",
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100402 .id = -1,
Robert Jarzmik43a90872011-12-17 12:49:51 +0100403 .resource = &docg3_resource,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100404 .num_resources = 1,
405 .dev = {
Robert Jarzmik43a90872011-12-17 12:49:51 +0100406 .platform_data = NULL,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100407 },
408};
409
410/*
411 * Suspend/Resume bootstrap management
412 *
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300413 * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100414 * this sequence is as follows :
415 * - disables interrupts
416 * - initialize SDRAM (self refresh RAM into active RAM)
417 * - initialize GPIOs (depends on value at 0xa020b020)
418 * - initialize coprossessors
419 * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
420 * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
421 * - else do a resume, ie. jump to addr 0xa0100000
422 */
423#define RESUME_ENABLE_ADDR 0xa020b000
424#define RESUME_ENABLE_VAL 0x0f0f0f0f
425#define RESUME_BT_ADDR 0xa020b020
426#define RESUME_UNKNOWN_ADDR 0xa020b024
427#define RESUME_VECTOR_ADDR 0xa0100000
428#define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
429
430static u32 *save_buffer;
431
432static void install_bootstrap(void)
433{
434 int i;
435 u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
436 u32 *src = &mioa701_bootstrap;
437
438 for (i = 0; i < BOOTSTRAP_WORDS; i++)
439 rom_bootstrap[i] = src[i];
440}
441
442
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200443static int mioa701_sys_suspend(void)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100444{
445 int i = 0, is_bt_on;
446 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
447 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
448 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
449 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
450
451 /* Devices prepare suspend */
Robert Jarzmik844c6f62008-11-17 20:29:04 +0100452 is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100453 pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
454 is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
455
456 for (i = 0; i < BOOTSTRAP_WORDS; i++)
457 save_buffer[i] = mem_resume_vector[i];
458 save_buffer[i++] = *mem_resume_enabler;
459 save_buffer[i++] = *mem_resume_bt;
460 save_buffer[i++] = *mem_resume_unknown;
461
462 *mem_resume_enabler = RESUME_ENABLE_VAL;
463 *mem_resume_bt = is_bt_on;
464
465 install_bootstrap();
466 return 0;
467}
468
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200469static void mioa701_sys_resume(void)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100470{
471 int i = 0;
472 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
473 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
474 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
475 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
476
477 for (i = 0; i < BOOTSTRAP_WORDS; i++)
478 mem_resume_vector[i] = save_buffer[i];
479 *mem_resume_enabler = save_buffer[i++];
480 *mem_resume_bt = save_buffer[i++];
481 *mem_resume_unknown = save_buffer[i++];
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100482}
483
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200484static struct syscore_ops mioa701_syscore_ops = {
485 .suspend = mioa701_sys_suspend,
486 .resume = mioa701_sys_resume,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100487};
488
489static int __init bootstrap_init(void)
490{
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100491 int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
492
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200493 register_syscore_ops(&mioa701_syscore_ops);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100494
495 save_buffer = kmalloc(save_size, GFP_KERNEL);
496 if (!save_buffer)
497 return -ENOMEM;
498 printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
499 save_size);
500 return 0;
501}
502
503static void bootstrap_exit(void)
504{
505 kfree(save_buffer);
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200506 unregister_syscore_ops(&mioa701_syscore_ops);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100507
508 printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
509 "resume !!!\n");
510}
511
512/*
513 * Power Supply
514 */
515static char *supplicants[] = {
516 "mioa701_battery"
517};
518
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100519static int is_ac_connected(void)
520{
521 return gpio_get_value(GPIO96_AC_DETECT);
522}
523
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100524static void mioa701_set_charge(int flags)
525{
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100526 gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100527}
528
529static struct pda_power_pdata power_pdata = {
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100530 .is_ac_online = is_ac_connected,
531 .is_usb_online = is_usb_connected,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100532 .set_charge = mioa701_set_charge,
533 .supplied_to = supplicants,
534 .num_supplicants = ARRAY_SIZE(supplicants),
535};
536
537static struct resource power_resources[] = {
538 [0] = {
539 .name = "ac",
Haojian Zhuang4929f5a2011-10-10 16:03:51 +0800540 .start = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
541 .end = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100542 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
543 IORESOURCE_IRQ_LOWEDGE,
544 },
545 [1] = {
546 .name = "usb",
Haojian Zhuang4929f5a2011-10-10 16:03:51 +0800547 .start = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
548 .end = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100549 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
550 IORESOURCE_IRQ_LOWEDGE,
551 },
552};
553
554static struct platform_device power_dev = {
555 .name = "pda-power",
556 .id = -1,
557 .resource = power_resources,
558 .num_resources = ARRAY_SIZE(power_resources),
559 .dev = {
560 .platform_data = &power_pdata,
561 },
562};
563
Marek Vasut241cf472010-06-04 03:07:33 +0200564static struct wm97xx_batt_pdata mioa701_battery_data = {
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100565 .batt_aux = WM97XX_AUX_ID1,
566 .temp_aux = -1,
567 .charge_gpio = -1,
568 .min_voltage = 0xc00,
569 .max_voltage = 0xfc0,
570 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
571 .batt_div = 1,
572 .batt_mult = 1,
573 .batt_name = "mioa701_battery",
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100574};
575
Marek Vasut241cf472010-06-04 03:07:33 +0200576static struct wm97xx_pdata mioa701_wm97xx_pdata = {
577 .batt_pdata = &mioa701_battery_data,
578};
579
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100580/*
Robert Jarzmik9752e142009-04-30 11:53:30 +0800581 * Voltage regulation
582 */
583static struct regulator_consumer_supply max1586_consumers[] = {
584 {
585 .supply = "vcc_core",
586 }
587};
588
589static struct regulator_init_data max1586_v3_info = {
590 .constraints = {
591 .name = "vcc_core range",
592 .min_uV = 1000000,
593 .max_uV = 1705000,
594 .always_on = 1,
595 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
596 },
597 .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
598 .consumer_supplies = max1586_consumers,
599};
600
601static struct max1586_subdev_data max1586_subdevs[] = {
602 { .name = "vcc_core", .id = MAX1586_V3,
603 .platform_data = &max1586_v3_info },
604};
605
606static struct max1586_platform_data max1586_info = {
607 .subdevs = max1586_subdevs,
608 .num_subdevs = ARRAY_SIZE(max1586_subdevs),
Philipp Zabele567b742009-05-28 07:15:17 +0200609 .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
Robert Jarzmik9752e142009-04-30 11:53:30 +0800610};
611
612/*
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100613 * Camera interface
614 */
615struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
616 .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
617 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
618 .mclk_10khz = 5000,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100619};
620
Robert Jarzmik9752e142009-04-30 11:53:30 +0800621static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
622 {
623 I2C_BOARD_INFO("max1586", 0x14),
624 .platform_data = &max1586_info,
625 },
626};
627
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100628/* Board I2C devices. */
Robert Jarzmik8dbed712010-06-02 23:29:50 +0200629static struct i2c_board_info mioa701_i2c_devices[] = {
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100630 {
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100631 I2C_BOARD_INFO("mt9m111", 0x5d),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100632 },
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100633};
634
Guennadi Liakhovetskia48c24a2009-04-24 18:40:27 +0200635static struct soc_camera_link iclink = {
636 .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */
637 .board_info = &mioa701_i2c_devices[0],
638 .i2c_adapter_id = 0,
Guennadi Liakhovetskia48c24a2009-04-24 18:40:27 +0200639};
640
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100641struct i2c_pxa_platform_data i2c_pdata = {
642 .fast_mode = 1,
643};
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100644
Robert Jarzmikcc8d2732009-04-13 16:07:55 +0200645static pxa2xx_audio_ops_t mioa701_ac97_info = {
646 .reset_gpio = 95,
Marek Vasut241cf472010-06-04 03:07:33 +0200647 .codec_pdata = { &mioa701_wm97xx_pdata, },
Robert Jarzmikcc8d2732009-04-13 16:07:55 +0200648};
649
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100650/*
651 * Mio global
652 */
653
654/* Devices */
655#define MIO_PARENT_DEV(var, strname, tparent, pdata) \
656static struct platform_device var = { \
657 .name = strname, \
658 .id = -1, \
659 .dev = { \
660 .platform_data = pdata, \
661 .parent = tparent, \
662 }, \
663};
664#define MIO_SIMPLE_DEV(var, strname, pdata) \
665 MIO_PARENT_DEV(var, strname, NULL, pdata)
666
667MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data)
668MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev,
669 &mioa701_backlight_data);
670MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info)
671MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100672MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL)
673MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL)
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100674MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data);
Guennadi Liakhovetskia48c24a2009-04-24 18:40:27 +0200675MIO_SIMPLE_DEV(mioa701_camera, "soc-camera-pdrv",&iclink);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100676
677static struct platform_device *devices[] __initdata = {
678 &mioa701_gpio_keys,
679 &mioa701_backlight,
680 &mioa701_led,
681 &pxa2xx_pcm,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100682 &mioa701_sound,
683 &power_dev,
Robert Jarzmik43a90872011-12-17 12:49:51 +0100684 &docg3,
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100685 &gpio_vbus,
Guennadi Liakhovetskia48c24a2009-04-24 18:40:27 +0200686 &mioa701_camera,
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100687 &mioa701_board,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100688};
689
690static void mioa701_machine_exit(void);
691
692static void mioa701_poweroff(void)
693{
694 mioa701_machine_exit();
Russell King271a74f2011-11-04 14:15:53 +0000695 pxa_restart('s', NULL);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100696}
697
Russell Kingbe093be2009-03-19 16:20:24 +0000698static void mioa701_restart(char c, const char *cmd)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100699{
700 mioa701_machine_exit();
Russell King271a74f2011-11-04 14:15:53 +0000701 pxa_restart('s', cmd);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100702}
703
Philipp Zabel4c738b22011-04-28 22:19:32 +0200704static struct gpio global_gpios[] = {
705 { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
706 { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
707 { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100708};
709
710static void __init mioa701_machine_init(void)
711{
Philipp Zabel4c738b22011-04-28 22:19:32 +0200712 int rc;
713
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100714 PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
715 PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
716 RTTR = 32768 - 1; /* Reset crazy WinCE value */
717 UP2OCR = UP2OCR_HXOE;
718
Robert Jarzmik43a90872011-12-17 12:49:51 +0100719 /*
720 * Set up the flash memory : DiskOnChip G3 on first static memory bank
721 */
722 __raw_writel(0x7ff02dd8, MSC0);
723 __raw_writel(0x0001c391, MCMEM0);
724 __raw_writel(0x0001c391, MCATT0);
725 __raw_writel(0x0001c391, MCIO0);
726
727
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100728 pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
Russell Kingcc155c62009-11-09 13:34:08 +0800729 pxa_set_ffuart_info(NULL);
730 pxa_set_btuart_info(NULL);
731 pxa_set_stuart_info(NULL);
Philipp Zabel4c738b22011-04-28 22:19:32 +0200732 rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
733 if (rc)
734 pr_err("MioA701: Failed to request GPIOs: %d", rc);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100735 bootstrap_init();
Russell King - ARM Linux4321e1a2011-02-15 15:37:30 +0800736 pxa_set_fb_info(NULL, &mioa701_pxafb_info);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100737 pxa_set_mci_info(&mioa701_mci_info);
738 pxa_set_keypad_info(&mioa701_keypad_info);
Robert Jarzmikcefdb2a2009-01-31 21:07:09 +0100739 pxa_set_udc_info(&mioa701_udc_info);
Robert Jarzmikcc8d2732009-04-13 16:07:55 +0200740 pxa_set_ac97_info(&mioa701_ac97_info);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100741 pm_power_off = mioa701_poweroff;
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100742 platform_add_devices(devices, ARRAY_SIZE(devices));
743 gsm_init();
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100744
Robert Jarzmik9752e142009-04-30 11:53:30 +0800745 i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100746 pxa_set_i2c_info(&i2c_pdata);
Robert Jarzmik9752e142009-04-30 11:53:30 +0800747 pxa27x_set_i2c_power_info(NULL);
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100748 pxa_set_camera_info(&mioa701_pxacamera_platform_data);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100749}
750
751static void mioa701_machine_exit(void)
752{
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100753 bootstrap_exit();
754 gsm_exit();
755}
756
757MACHINE_START(MIOA701, "MIO A701")
Nicolas Pitre7375aba2011-07-05 22:38:15 -0400758 .atag_offset = 0x100,
Russell King34adeda2011-11-01 16:24:18 +0000759 .restart_mode = 's',
Marek Vasut851982c2010-10-11 02:20:19 +0200760 .map_io = &pxa27x_map_io,
Rob Herring4e611092012-01-03 16:53:48 -0600761 .nr_irqs = PXA_NR_IRQS,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100762 .init_irq = &pxa27x_init_irq,
Eric Miao8a97ae22011-05-18 21:30:04 +0800763 .handle_irq = &pxa27x_handle_irq,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100764 .init_machine = mioa701_machine_init,
765 .timer = &pxa_timer,
Russell King271a74f2011-11-04 14:15:53 +0000766 .restart = mioa701_restart,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100767MACHINE_END