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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>
Thierry Reding64c644a2015-10-05 10:49:48 +020029#include <linux/pwm.h>
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010030#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>
Marek Vasut241cf472010-06-04 03:07:33 +020038#include <linux/wm97xx.h>
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010039#include <linux/mtd/physmap.h>
Robert Jarzmik689b4fe2009-01-30 20:48:24 +010040#include <linux/usb/gpio_vbus.h>
Robin Holt7b6d8642013-07-08 16:01:40 -070041#include <linux/reboot.h>
Thierry Reding902e6a02013-12-20 10:46:52 +010042#include <linux/regulator/fixed.h>
Robert Jarzmik9752e142009-04-30 11:53:30 +080043#include <linux/regulator/max1586.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090044#include <linux/slab.h>
Sebastian Andrzej Siewiorb4593962011-02-23 12:38:16 +010045#include <linux/i2c/pxa-i2c.h>
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010046
47#include <asm/mach-types.h>
48#include <asm/mach/arch.h>
Eric Miao51c62982009-01-02 23:17:22 +080049
Arnd Bergmann4c25c5d2015-01-30 10:45:33 +010050#include "pxa27x.h"
51#include "regs-rtc.h"
Arnd Bergmann293b2da2012-08-24 15:16:48 +020052#include <linux/platform_data/keypad-pxa27x.h>
53#include <linux/platform_data/video-pxafb.h>
54#include <linux/platform_data/mmc-pxamci.h>
Arnd Bergmann4c25c5d2015-01-30 10:45:33 +010055#include "udc.h"
56#include "pxa27x-udc.h"
Mauro Carvalho Chehaba71daaa2015-11-17 07:11:13 -020057#include <linux/platform_data/media/camera-pxa.h>
Mark Brown80748fb2009-04-03 12:45:49 +010058#include <mach/audio.h>
Robert Jarzmik43a90872011-12-17 12:49:51 +010059#include <mach/smemc.h>
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +010060#include <media/soc_camera.h>
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010061
Arnd Bergmann4c25c5d2015-01-30 10:45:33 +010062#include "mioa701.h"
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010063
64#include "generic.h"
65#include "devices.h"
66
67static unsigned long mioa701_pin_config[] = {
68 /* Mio global */
Robert Jarzmikc96763d2008-11-18 20:23:32 +010069 MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010070 MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
71 MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
72 MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
Robert Jarzmikc96763d2008-11-18 20:23:32 +010073 MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010074
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 */
Robert Jarzmikc96763d2008-11-18 20:23:32 +010090 MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010091 MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
92
93 /* LCD */
Eric Miaobedbda92010-01-04 11:37:14 +080094 GPIOxx_LCD_TFT_16BPP,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010095
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +010096 /* 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,
Robert Jarzmikc2219e42012-04-22 23:24:00 +0200109 MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100110
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100111 /* Bluetooth */
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100112 MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100113 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),
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100118 MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
119 MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100120
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 */
Eric Miaoc11b6a42010-01-04 17:00:13 +0800146 GPIO28_AC97_BITCLK,
147 GPIO29_AC97_SDATA_IN_0,
148 GPIO30_AC97_SDATA_OUT,
149 GPIO31_AC97_SYNC,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100150 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
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100171 /* I2C */
172 GPIO117_I2C_SCL,
173 GPIO118_I2C_SDA,
174
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100175 /* Unknown */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100176 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),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100181 MFP_CFG_IN(GPIO96, AF0),
182 MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
183};
184
Thierry Reding64c644a2015-10-05 10:49:48 +0200185static struct pwm_lookup mioa701_pwm_lookup[] = {
186 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 4000 * 1024,
187 PWM_POLARITY_NORMAL),
188};
189
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100190/* LCD Screen and Backlight */
191static struct platform_pwm_backlight_data mioa701_backlight_data = {
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100192 .max_brightness = 100,
193 .dft_brightness = 50,
Thierry Redingdb011202013-08-30 12:15:24 +0200194 .enable_gpio = -1,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100195};
196
197/*
198 * LTM0305A776C LCD panel timings
199 *
200 * see:
201 * - the LTM0305A776C datasheet,
202 * - and the PXA27x Programmers' manual
203 */
204static 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
217static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
218{
219 gpio_set_value(GPIO87_LCD_POWER, on);
220}
221
222static 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 */
Chao Xie0a085a92013-05-05 20:24:58 -0700232static const unsigned int mioa701_matrix_keys[] = {
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100233 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};
Chao Xie0a085a92013-05-05 20:24:58 -0700243
244static struct matrix_keymap_data mioa701_matrix_keymap_data = {
245 .keymap = mioa701_matrix_keys,
246 .keymap_size = ARRAY_SIZE(mioa701_matrix_keys),
247};
248
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100249static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
250 .matrix_key_rows = 3,
251 .matrix_key_cols = 3,
Chao Xie0a085a92013-05-05 20:24:58 -0700252 .matrix_keymap_data = &mioa701_matrix_keymap_data,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100253};
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) }
261static 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
268static 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 }
278static 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
286static 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 */
304static 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
312irqreturn_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
Philipp Zabel4c738b22011-04-28 22:19:32 +0200319static struct gpio gsm_gpios[] = {
320 { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
321 { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100322};
323
324static int __init gsm_init(void)
325{
326 int rc;
327
Philipp Zabel4c738b22011-04-28 22:19:32 +0200328 rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100329 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
340err_irq:
341 printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
Philipp Zabel4c738b22011-04-28 22:19:32 +0200342 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100343err_gpio:
344 printk(KERN_ERR "Mioa701: gsm not available\n");
345 return rc;
346}
347
348static void gsm_exit(void)
349{
350 free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
Philipp Zabel4c738b22011-04-28 22:19:32 +0200351 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100352}
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 */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100375static int is_usb_connected(void)
376{
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100377 return !gpio_get_value(GPIO13_nUSB_DETECT);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100378}
379
380static struct pxa2xx_udc_mach_info mioa701_udc_info = {
381 .udc_is_connected = is_usb_connected,
Robert Jarzmikcefdb2a2009-01-31 21:07:09 +0100382 .gpio_pullup = GPIO22_USB_ENABLE,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100383};
384
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100385struct gpio_vbus_mach_info gpio_vbus_data = {
386 .gpio_vbus = GPIO13_nUSB_DETECT,
387 .gpio_vbus_inverted = 1,
388 .gpio_pullup = -1,
389};
390
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100391/*
392 * SDIO/MMC Card controller
393 */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100394/**
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 */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100398static struct pxamci_platform_data mioa701_mci_info = {
Eric Miaof97cab22010-04-14 07:00:42 +0800399 .detect_delay_ms = 250,
Robert Jarzmik7a648252009-07-06 22:16:42 +0200400 .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,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100404};
405
406/* FlashRAM */
Robert Jarzmik43a90872011-12-17 12:49:51 +0100407static struct resource docg3_resource = {
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100408 .start = PXA_CS0_PHYS,
Robert Jarzmik43a90872011-12-17 12:49:51 +0100409 .end = PXA_CS0_PHYS + SZ_8K - 1,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100410 .flags = IORESOURCE_MEM,
411};
412
Robert Jarzmik43a90872011-12-17 12:49:51 +0100413static struct platform_device docg3 = {
414 .name = "docg3",
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100415 .id = -1,
Robert Jarzmik43a90872011-12-17 12:49:51 +0100416 .resource = &docg3_resource,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100417 .num_resources = 1,
418 .dev = {
Robert Jarzmik43a90872011-12-17 12:49:51 +0100419 .platform_data = NULL,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100420 },
421};
422
423/*
424 * Suspend/Resume bootstrap management
425 *
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300426 * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100427 * 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
443static u32 *save_buffer;
444
445static 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
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200456static int mioa701_sys_suspend(void)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100457{
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 */
Robert Jarzmik844c6f62008-11-17 20:29:04 +0100465 is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100466 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
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200482static void mioa701_sys_resume(void)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100483{
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++];
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100495}
496
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200497static struct syscore_ops mioa701_syscore_ops = {
498 .suspend = mioa701_sys_suspend,
499 .resume = mioa701_sys_resume,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100500};
501
502static int __init bootstrap_init(void)
503{
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100504 int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
505
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200506 register_syscore_ops(&mioa701_syscore_ops);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100507
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
516static void bootstrap_exit(void)
517{
518 kfree(save_buffer);
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200519 unregister_syscore_ops(&mioa701_syscore_ops);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100520
521 printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
522 "resume !!!\n");
523}
524
525/*
526 * Power Supply
527 */
528static char *supplicants[] = {
529 "mioa701_battery"
530};
531
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100532static int is_ac_connected(void)
533{
534 return gpio_get_value(GPIO96_AC_DETECT);
535}
536
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100537static void mioa701_set_charge(int flags)
538{
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100539 gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100540}
541
542static struct pda_power_pdata power_pdata = {
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100543 .is_ac_online = is_ac_connected,
544 .is_usb_online = is_usb_connected,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100545 .set_charge = mioa701_set_charge,
546 .supplied_to = supplicants,
547 .num_supplicants = ARRAY_SIZE(supplicants),
548};
549
550static struct resource power_resources[] = {
551 [0] = {
552 .name = "ac",
Haojian Zhuang4929f5a2011-10-10 16:03:51 +0800553 .start = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
554 .end = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100555 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
556 IORESOURCE_IRQ_LOWEDGE,
557 },
558 [1] = {
559 .name = "usb",
Haojian Zhuang4929f5a2011-10-10 16:03:51 +0800560 .start = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
561 .end = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100562 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
563 IORESOURCE_IRQ_LOWEDGE,
564 },
565};
566
567static 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
Marek Vasut241cf472010-06-04 03:07:33 +0200577static struct wm97xx_batt_pdata mioa701_battery_data = {
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100578 .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",
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100587};
588
Marek Vasut241cf472010-06-04 03:07:33 +0200589static struct wm97xx_pdata mioa701_wm97xx_pdata = {
590 .batt_pdata = &mioa701_battery_data,
591};
592
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100593/*
Robert Jarzmik9752e142009-04-30 11:53:30 +0800594 * Voltage regulation
595 */
596static struct regulator_consumer_supply max1586_consumers[] = {
Axel Lin0bf189a2012-05-08 16:25:10 +0800597 REGULATOR_SUPPLY("vcc_core", NULL),
Robert Jarzmik9752e142009-04-30 11:53:30 +0800598};
599
600static 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
612static struct max1586_subdev_data max1586_subdevs[] = {
613 { .name = "vcc_core", .id = MAX1586_V3,
614 .platform_data = &max1586_v3_info },
615};
616
617static struct max1586_platform_data max1586_info = {
618 .subdevs = max1586_subdevs,
619 .num_subdevs = ARRAY_SIZE(max1586_subdevs),
Philipp Zabele567b742009-05-28 07:15:17 +0200620 .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
Robert Jarzmik9752e142009-04-30 11:53:30 +0800621};
622
623/*
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100624 * Camera interface
625 */
626struct 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,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100630};
631
Robert Jarzmik9752e142009-04-30 11:53:30 +0800632static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
633 {
634 I2C_BOARD_INFO("max1586", 0x14),
635 .platform_data = &max1586_info,
636 },
637};
638
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100639/* Board I2C devices. */
Robert Jarzmik8dbed712010-06-02 23:29:50 +0200640static struct i2c_board_info mioa701_i2c_devices[] = {
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100641 {
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100642 I2C_BOARD_INFO("mt9m111", 0x5d),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100643 },
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100644};
645
Guennadi Liakhovetskia48c24a2009-04-24 18:40:27 +0200646static 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,
Guennadi Liakhovetskia48c24a2009-04-24 18:40:27 +0200650};
651
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100652struct i2c_pxa_platform_data i2c_pdata = {
653 .fast_mode = 1,
654};
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100655
Robert Jarzmikcc8d2732009-04-13 16:07:55 +0200656static pxa2xx_audio_ops_t mioa701_ac97_info = {
657 .reset_gpio = 95,
Marek Vasut241cf472010-06-04 03:07:33 +0200658 .codec_pdata = { &mioa701_wm97xx_pdata, },
Robert Jarzmikcc8d2732009-04-13 16:07:55 +0200659};
660
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100661/*
662 * Mio global
663 */
664
665/* Devices */
666#define MIO_PARENT_DEV(var, strname, tparent, pdata) \
667static 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
678MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data)
679MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev,
680 &mioa701_backlight_data);
681MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info)
682MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100683MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL)
684MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL)
Robert Jarzmik68853862015-09-18 18:40:12 +0200685MIO_SIMPLE_DEV(wm9713_acodec, "wm9713-codec", NULL);
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100686MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data);
Guennadi Liakhovetskia48c24a2009-04-24 18:40:27 +0200687MIO_SIMPLE_DEV(mioa701_camera, "soc-camera-pdrv",&iclink);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100688
689static struct platform_device *devices[] __initdata = {
690 &mioa701_gpio_keys,
691 &mioa701_backlight,
692 &mioa701_led,
Robert Jarzmik68853862015-09-18 18:40:12 +0200693 &wm9713_acodec,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100694 &pxa2xx_pcm,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100695 &mioa701_sound,
696 &power_dev,
Robert Jarzmik43a90872011-12-17 12:49:51 +0100697 &docg3,
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100698 &gpio_vbus,
Guennadi Liakhovetskia48c24a2009-04-24 18:40:27 +0200699 &mioa701_camera,
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100700 &mioa701_board,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100701};
702
703static void mioa701_machine_exit(void);
704
705static void mioa701_poweroff(void)
706{
707 mioa701_machine_exit();
Robin Holt7b6d8642013-07-08 16:01:40 -0700708 pxa_restart(REBOOT_SOFT, NULL);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100709}
710
Robin Holt7b6d8642013-07-08 16:01:40 -0700711static void mioa701_restart(enum reboot_mode c, const char *cmd)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100712{
713 mioa701_machine_exit();
Robin Holt7b6d8642013-07-08 16:01:40 -0700714 pxa_restart(REBOOT_SOFT, cmd);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100715}
716
Philipp Zabel4c738b22011-04-28 22:19:32 +0200717static 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" },
Robert Jarzmikc2219e42012-04-22 23:24:00 +0200721 { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100722};
723
Thierry Reding902e6a02013-12-20 10:46:52 +0100724static struct regulator_consumer_supply fixed_5v0_consumers[] = {
725 REGULATOR_SUPPLY("power", "pwm-backlight"),
726};
727
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100728static void __init mioa701_machine_init(void)
729{
Philipp Zabel4c738b22011-04-28 22:19:32 +0200730 int rc;
731
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100732 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
Robert Jarzmik43a90872011-12-17 12:49:51 +0100737 /*
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
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100746 pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
Russell Kingcc155c62009-11-09 13:34:08 +0800747 pxa_set_ffuart_info(NULL);
748 pxa_set_btuart_info(NULL);
749 pxa_set_stuart_info(NULL);
Philipp Zabel4c738b22011-04-28 22:19:32 +0200750 rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
751 if (rc)
752 pr_err("MioA701: Failed to request GPIOs: %d", rc);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100753 bootstrap_init();
Russell King - ARM Linux4321e1a2011-02-15 15:37:30 +0800754 pxa_set_fb_info(NULL, &mioa701_pxafb_info);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100755 pxa_set_mci_info(&mioa701_mci_info);
756 pxa_set_keypad_info(&mioa701_keypad_info);
Robert Jarzmikcefdb2a2009-01-31 21:07:09 +0100757 pxa_set_udc_info(&mioa701_udc_info);
Robert Jarzmikcc8d2732009-04-13 16:07:55 +0200758 pxa_set_ac97_info(&mioa701_ac97_info);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100759 pm_power_off = mioa701_poweroff;
Thierry Reding64c644a2015-10-05 10:49:48 +0200760 pwm_add_table(mioa701_pwm_lookup, ARRAY_SIZE(mioa701_pwm_lookup));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100761 platform_add_devices(devices, ARRAY_SIZE(devices));
762 gsm_init();
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100763
Robert Jarzmik9752e142009-04-30 11:53:30 +0800764 i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100765 pxa_set_i2c_info(&i2c_pdata);
Robert Jarzmik9752e142009-04-30 11:53:30 +0800766 pxa27x_set_i2c_power_info(NULL);
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100767 pxa_set_camera_info(&mioa701_pxacamera_platform_data);
Thierry Reding902e6a02013-12-20 10:46:52 +0100768
769 regulator_register_always_on(0, "fixed-5.0V", fixed_5v0_consumers,
770 ARRAY_SIZE(fixed_5v0_consumers),
771 5000000);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100772}
773
774static void mioa701_machine_exit(void)
775{
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100776 bootstrap_exit();
777 gsm_exit();
778}
779
780MACHINE_START(MIOA701, "MIO A701")
Nicolas Pitre7375aba2011-07-05 22:38:15 -0400781 .atag_offset = 0x100,
Marek Vasut851982c2010-10-11 02:20:19 +0200782 .map_io = &pxa27x_map_io,
Rob Herring4e611092012-01-03 16:53:48 -0600783 .nr_irqs = PXA_NR_IRQS,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100784 .init_irq = &pxa27x_init_irq,
Eric Miao8a97ae22011-05-18 21:30:04 +0800785 .handle_irq = &pxa27x_handle_irq,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100786 .init_machine = mioa701_machine_init,
Stephen Warren6bb27d72012-11-08 12:40:59 -0700787 .init_time = pxa_timer_init,
Russell King271a74f2011-11-04 14:15:53 +0000788 .restart = mioa701_restart,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100789MACHINE_END