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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 Jarzmikeda6f6e2008-08-17 09:34:30 +010060
Arnd Bergmann4c25c5d2015-01-30 10:45:33 +010061#include "mioa701.h"
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010062
63#include "generic.h"
64#include "devices.h"
65
66static unsigned long mioa701_pin_config[] = {
67 /* Mio global */
Robert Jarzmikc96763d2008-11-18 20:23:32 +010068 MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010069 MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
70 MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
71 MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
Robert Jarzmikc96763d2008-11-18 20:23:32 +010072 MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010073
74 /* Backlight PWM 0 */
75 GPIO16_PWM0_OUT,
76
77 /* MMC */
78 GPIO32_MMC_CLK,
79 GPIO92_MMC_DAT_0,
80 GPIO109_MMC_DAT_1,
81 GPIO110_MMC_DAT_2,
82 GPIO111_MMC_DAT_3,
83 GPIO112_MMC_CMD,
84 MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
85 MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
86 MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
87
88 /* USB */
Robert Jarzmikc96763d2008-11-18 20:23:32 +010089 MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010090 MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
91
92 /* LCD */
Eric Miaobedbda92010-01-04 11:37:14 +080093 GPIOxx_LCD_TFT_16BPP,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +010094
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +010095 /* QCI */
96 GPIO12_CIF_DD_7,
97 GPIO17_CIF_DD_6,
98 GPIO50_CIF_DD_3,
99 GPIO51_CIF_DD_2,
100 GPIO52_CIF_DD_4,
101 GPIO53_CIF_MCLK,
102 GPIO54_CIF_PCLK,
103 GPIO55_CIF_DD_1,
104 GPIO81_CIF_DD_0,
105 GPIO82_CIF_DD_5,
106 GPIO84_CIF_FV,
107 GPIO85_CIF_LV,
Robert Jarzmikc2219e42012-04-22 23:24:00 +0200108 MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100109
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100110 /* Bluetooth */
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100111 MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100112 GPIO44_BTUART_CTS,
113 GPIO42_BTUART_RXD,
114 GPIO45_BTUART_RTS,
115 GPIO43_BTUART_TXD,
116 MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100117 MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
118 MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100119
120 /* GPS */
121 MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
122 MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
123 MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
124 MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
125 MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
126 GPIO46_STUART_RXD,
127 GPIO47_STUART_TXD,
128
129 /* GSM */
130 MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
131 MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
132 MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
133 MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
134 MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
135 MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
136 GPIO34_FFUART_RXD,
137 GPIO35_FFUART_CTS,
138 GPIO36_FFUART_DCD,
139 GPIO37_FFUART_DSR,
140 GPIO39_FFUART_TXD,
141 GPIO40_FFUART_DTR,
142 GPIO41_FFUART_RTS,
143
144 /* Sound */
Eric Miaoc11b6a42010-01-04 17:00:13 +0800145 GPIO28_AC97_BITCLK,
146 GPIO29_AC97_SDATA_IN_0,
147 GPIO30_AC97_SDATA_OUT,
148 GPIO31_AC97_SYNC,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100149 GPIO89_AC97_SYSCLK,
150 MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
151
152 /* Leds */
153 MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
154 MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
155 MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
156 MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
157 MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
158
159 /* Keyboard */
160 MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
161 MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
162 MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
163 GPIO100_KP_MKIN_0,
164 GPIO101_KP_MKIN_1,
165 GPIO102_KP_MKIN_2,
166 GPIO103_KP_MKOUT_0,
167 GPIO104_KP_MKOUT_1,
168 GPIO105_KP_MKOUT_2,
169
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100170 /* I2C */
171 GPIO117_I2C_SCL,
172 GPIO118_I2C_SDA,
173
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100174 /* Unknown */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100175 MFP_CFG_IN(GPIO20, AF0),
176 MFP_CFG_IN(GPIO21, AF0),
177 MFP_CFG_IN(GPIO33, AF0),
178 MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
179 MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100180 MFP_CFG_IN(GPIO96, AF0),
181 MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
182};
183
Thierry Reding64c644a2015-10-05 10:49:48 +0200184static struct pwm_lookup mioa701_pwm_lookup[] = {
185 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 4000 * 1024,
186 PWM_POLARITY_NORMAL),
187};
188
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100189/* LCD Screen and Backlight */
190static struct platform_pwm_backlight_data mioa701_backlight_data = {
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100191 .max_brightness = 100,
192 .dft_brightness = 50,
Thierry Redingdb011202013-08-30 12:15:24 +0200193 .enable_gpio = -1,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100194};
195
196/*
197 * LTM0305A776C LCD panel timings
198 *
199 * see:
200 * - the LTM0305A776C datasheet,
201 * - and the PXA27x Programmers' manual
202 */
203static struct pxafb_mode_info mioa701_ltm0305a776c = {
204 .pixclock = 220000, /* CLK=4.545 MHz */
205 .xres = 240,
206 .yres = 320,
207 .bpp = 16,
208 .hsync_len = 4,
209 .vsync_len = 2,
210 .left_margin = 6,
211 .right_margin = 4,
212 .upper_margin = 5,
213 .lower_margin = 3,
214};
215
216static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
217{
218 gpio_set_value(GPIO87_LCD_POWER, on);
219}
220
221static struct pxafb_mach_info mioa701_pxafb_info = {
222 .modes = &mioa701_ltm0305a776c,
223 .num_modes = 1,
224 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
225 .pxafb_lcd_power = mioa701_lcd_power,
226};
227
228/*
229 * Keyboard configuration
230 */
Chao Xie0a085a92013-05-05 20:24:58 -0700231static const unsigned int mioa701_matrix_keys[] = {
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100232 KEY(0, 0, KEY_UP),
233 KEY(0, 1, KEY_RIGHT),
234 KEY(0, 2, KEY_MEDIA),
235 KEY(1, 0, KEY_DOWN),
236 KEY(1, 1, KEY_ENTER),
237 KEY(1, 2, KEY_CONNECT), /* GPS key */
238 KEY(2, 0, KEY_LEFT),
239 KEY(2, 1, KEY_PHONE), /* Phone Green key */
240 KEY(2, 2, KEY_CAMERA) /* Camera key */
241};
Chao Xie0a085a92013-05-05 20:24:58 -0700242
243static struct matrix_keymap_data mioa701_matrix_keymap_data = {
244 .keymap = mioa701_matrix_keys,
245 .keymap_size = ARRAY_SIZE(mioa701_matrix_keys),
246};
247
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100248static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
249 .matrix_key_rows = 3,
250 .matrix_key_cols = 3,
Chao Xie0a085a92013-05-05 20:24:58 -0700251 .matrix_keymap_data = &mioa701_matrix_keymap_data,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100252};
253
254/*
255 * GPIO Key Configuration
256 */
257#define MIO_KEY(key, _gpio, _desc, _wakeup) \
258 { .code = (key), .gpio = (_gpio), .active_low = 0, \
259 .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
260static struct gpio_keys_button mioa701_button_table[] = {
261 MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
262 MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
263 MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
264 MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
265};
266
267static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
268 .buttons = mioa701_button_table,
269 .nbuttons = ARRAY_SIZE(mioa701_button_table),
270};
271
272/*
273 * Leds and vibrator
274 */
275#define ONE_LED(_gpio, _name) \
276{ .gpio = (_gpio), .name = (_name), .active_low = true }
277static struct gpio_led gpio_leds[] = {
278 ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
279 ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
280 ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
281 ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
282 ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
283};
284
285static struct gpio_led_platform_data gpio_led_info = {
286 .leds = gpio_leds,
287 .num_leds = ARRAY_SIZE(gpio_leds),
288};
289
290/*
291 * GSM Sagem XS200 chip
292 *
293 * GSM handling was purged from kernel. For history, this is the way to go :
294 * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
295 * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
296 * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
297 * GPIO24_GSM_MOD_RESET_CMD = 0
298 * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
299 * GPIO88_GSM_nMOD_ON_CMD = 1
300 * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
301 * GPIO90_GSM_nMOD_OFF_CMD = 1
302 */
303static int is_gsm_on(void)
304{
305 int is_on;
306
307 is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
308 return is_on;
309}
310
311irqreturn_t gsm_on_irq(int irq, void *p)
312{
313 printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
314 is_gsm_on() ? "on" : "off");
315 return IRQ_HANDLED;
316}
317
Philipp Zabel4c738b22011-04-28 22:19:32 +0200318static struct gpio gsm_gpios[] = {
319 { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
320 { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100321};
322
323static int __init gsm_init(void)
324{
325 int rc;
326
Philipp Zabel4c738b22011-04-28 22:19:32 +0200327 rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100328 if (rc)
329 goto err_gpio;
330 rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
331 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
332 "GSM XS200 Power Irq", NULL);
333 if (rc)
334 goto err_irq;
335
336 gpio_set_wake(GPIO113_GSM_EVENT, 1);
337 return 0;
338
339err_irq:
340 printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
Philipp Zabel4c738b22011-04-28 22:19:32 +0200341 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100342err_gpio:
343 printk(KERN_ERR "Mioa701: gsm not available\n");
344 return rc;
345}
346
347static void gsm_exit(void)
348{
349 free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
Philipp Zabel4c738b22011-04-28 22:19:32 +0200350 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100351}
352
353/*
354 * Bluetooth BRF6150 chip
355 *
356 * BT handling was purged from kernel. For history, this is the way to go :
357 * - turn on : GPIO83_BT_ON = 1
358 * - turn off : GPIO83_BT_ON = 0
359 */
360
361/*
362 * GPS Sirf Star III chip
363 *
364 * GPS handling was purged from kernel. For history, this is the way to go :
365 * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
366 * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
367 * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
368 * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
369 */
370
371/*
372 * USB UDC
373 */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100374static int is_usb_connected(void)
375{
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100376 return !gpio_get_value(GPIO13_nUSB_DETECT);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100377}
378
379static struct pxa2xx_udc_mach_info mioa701_udc_info = {
380 .udc_is_connected = is_usb_connected,
Robert Jarzmikcefdb2a2009-01-31 21:07:09 +0100381 .gpio_pullup = GPIO22_USB_ENABLE,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100382};
383
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100384struct gpio_vbus_mach_info gpio_vbus_data = {
385 .gpio_vbus = GPIO13_nUSB_DETECT,
386 .gpio_vbus_inverted = 1,
387 .gpio_pullup = -1,
388};
389
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100390/*
391 * SDIO/MMC Card controller
392 */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100393/**
394 * The card detect interrupt isn't debounced so we delay it by 250ms
395 * to give the card a chance to fully insert/eject.
396 */
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100397static struct pxamci_platform_data mioa701_mci_info = {
Eric Miaof97cab22010-04-14 07:00:42 +0800398 .detect_delay_ms = 250,
Robert Jarzmik7a648252009-07-06 22:16:42 +0200399 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
400 .gpio_card_detect = GPIO15_SDIO_INSERT,
401 .gpio_card_ro = GPIO78_SDIO_RO,
402 .gpio_power = GPIO91_SDIO_EN,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100403};
404
405/* FlashRAM */
Robert Jarzmik43a90872011-12-17 12:49:51 +0100406static struct resource docg3_resource = {
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100407 .start = PXA_CS0_PHYS,
Robert Jarzmik43a90872011-12-17 12:49:51 +0100408 .end = PXA_CS0_PHYS + SZ_8K - 1,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100409 .flags = IORESOURCE_MEM,
410};
411
Robert Jarzmik43a90872011-12-17 12:49:51 +0100412static struct platform_device docg3 = {
413 .name = "docg3",
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100414 .id = -1,
Robert Jarzmik43a90872011-12-17 12:49:51 +0100415 .resource = &docg3_resource,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100416 .num_resources = 1,
417 .dev = {
Robert Jarzmik43a90872011-12-17 12:49:51 +0100418 .platform_data = NULL,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100419 },
420};
421
422/*
423 * Suspend/Resume bootstrap management
424 *
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300425 * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100426 * this sequence is as follows :
427 * - disables interrupts
428 * - initialize SDRAM (self refresh RAM into active RAM)
429 * - initialize GPIOs (depends on value at 0xa020b020)
430 * - initialize coprossessors
431 * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
432 * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
433 * - else do a resume, ie. jump to addr 0xa0100000
434 */
435#define RESUME_ENABLE_ADDR 0xa020b000
436#define RESUME_ENABLE_VAL 0x0f0f0f0f
437#define RESUME_BT_ADDR 0xa020b020
438#define RESUME_UNKNOWN_ADDR 0xa020b024
439#define RESUME_VECTOR_ADDR 0xa0100000
440#define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
441
442static u32 *save_buffer;
443
444static void install_bootstrap(void)
445{
446 int i;
447 u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
448 u32 *src = &mioa701_bootstrap;
449
450 for (i = 0; i < BOOTSTRAP_WORDS; i++)
451 rom_bootstrap[i] = src[i];
452}
453
454
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200455static int mioa701_sys_suspend(void)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100456{
457 int i = 0, is_bt_on;
458 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
459 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
460 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
461 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
462
463 /* Devices prepare suspend */
Robert Jarzmik844c6f62008-11-17 20:29:04 +0100464 is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100465 pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
466 is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
467
468 for (i = 0; i < BOOTSTRAP_WORDS; i++)
469 save_buffer[i] = mem_resume_vector[i];
470 save_buffer[i++] = *mem_resume_enabler;
471 save_buffer[i++] = *mem_resume_bt;
472 save_buffer[i++] = *mem_resume_unknown;
473
474 *mem_resume_enabler = RESUME_ENABLE_VAL;
475 *mem_resume_bt = is_bt_on;
476
477 install_bootstrap();
478 return 0;
479}
480
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200481static void mioa701_sys_resume(void)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100482{
483 int i = 0;
484 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
485 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
486 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
487 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
488
489 for (i = 0; i < BOOTSTRAP_WORDS; i++)
490 mem_resume_vector[i] = save_buffer[i];
491 *mem_resume_enabler = save_buffer[i++];
492 *mem_resume_bt = save_buffer[i++];
493 *mem_resume_unknown = save_buffer[i++];
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100494}
495
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200496static struct syscore_ops mioa701_syscore_ops = {
497 .suspend = mioa701_sys_suspend,
498 .resume = mioa701_sys_resume,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100499};
500
501static int __init bootstrap_init(void)
502{
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100503 int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
504
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200505 register_syscore_ops(&mioa701_syscore_ops);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100506
507 save_buffer = kmalloc(save_size, GFP_KERNEL);
508 if (!save_buffer)
509 return -ENOMEM;
510 printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
511 save_size);
512 return 0;
513}
514
515static void bootstrap_exit(void)
516{
517 kfree(save_buffer);
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +0200518 unregister_syscore_ops(&mioa701_syscore_ops);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100519
520 printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
521 "resume !!!\n");
522}
523
524/*
525 * Power Supply
526 */
527static char *supplicants[] = {
528 "mioa701_battery"
529};
530
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100531static int is_ac_connected(void)
532{
533 return gpio_get_value(GPIO96_AC_DETECT);
534}
535
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100536static void mioa701_set_charge(int flags)
537{
Robert Jarzmikc96763d2008-11-18 20:23:32 +0100538 gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100539}
540
541static struct pda_power_pdata power_pdata = {
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100542 .is_ac_online = is_ac_connected,
543 .is_usb_online = is_usb_connected,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100544 .set_charge = mioa701_set_charge,
545 .supplied_to = supplicants,
546 .num_supplicants = ARRAY_SIZE(supplicants),
547};
548
549static struct resource power_resources[] = {
550 [0] = {
551 .name = "ac",
Haojian Zhuang4929f5a2011-10-10 16:03:51 +0800552 .start = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
553 .end = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100554 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
555 IORESOURCE_IRQ_LOWEDGE,
556 },
557 [1] = {
558 .name = "usb",
Haojian Zhuang4929f5a2011-10-10 16:03:51 +0800559 .start = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
560 .end = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100561 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
562 IORESOURCE_IRQ_LOWEDGE,
563 },
564};
565
566static struct platform_device power_dev = {
567 .name = "pda-power",
568 .id = -1,
569 .resource = power_resources,
570 .num_resources = ARRAY_SIZE(power_resources),
571 .dev = {
572 .platform_data = &power_pdata,
573 },
574};
575
Marek Vasut241cf472010-06-04 03:07:33 +0200576static struct wm97xx_batt_pdata mioa701_battery_data = {
Robert Jarzmik4aa89f92008-11-15 16:09:59 +0100577 .batt_aux = WM97XX_AUX_ID1,
578 .temp_aux = -1,
579 .charge_gpio = -1,
580 .min_voltage = 0xc00,
581 .max_voltage = 0xfc0,
582 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
583 .batt_div = 1,
584 .batt_mult = 1,
585 .batt_name = "mioa701_battery",
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100586};
587
Marek Vasut241cf472010-06-04 03:07:33 +0200588static struct wm97xx_pdata mioa701_wm97xx_pdata = {
589 .batt_pdata = &mioa701_battery_data,
590};
591
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100592/*
Robert Jarzmik9752e142009-04-30 11:53:30 +0800593 * Voltage regulation
594 */
595static struct regulator_consumer_supply max1586_consumers[] = {
Axel Lin0bf189a2012-05-08 16:25:10 +0800596 REGULATOR_SUPPLY("vcc_core", NULL),
Robert Jarzmik9752e142009-04-30 11:53:30 +0800597};
598
599static struct regulator_init_data max1586_v3_info = {
600 .constraints = {
601 .name = "vcc_core range",
602 .min_uV = 1000000,
603 .max_uV = 1705000,
604 .always_on = 1,
605 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
606 },
607 .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
608 .consumer_supplies = max1586_consumers,
609};
610
611static struct max1586_subdev_data max1586_subdevs[] = {
612 { .name = "vcc_core", .id = MAX1586_V3,
613 .platform_data = &max1586_v3_info },
614};
615
616static struct max1586_platform_data max1586_info = {
617 .subdevs = max1586_subdevs,
618 .num_subdevs = ARRAY_SIZE(max1586_subdevs),
Philipp Zabele567b742009-05-28 07:15:17 +0200619 .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
Robert Jarzmik9752e142009-04-30 11:53:30 +0800620};
621
622/*
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100623 * Camera interface
624 */
625struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
626 .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
627 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
628 .mclk_10khz = 5000,
Robert Jarzmik4ebfcde2016-09-23 22:30:52 +0200629 .sensor_i2c_adapter_id = 0,
630 .sensor_i2c_address = 0x5d,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100631};
632
Robert Jarzmik9752e142009-04-30 11:53:30 +0800633static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
634 {
635 I2C_BOARD_INFO("max1586", 0x14),
636 .platform_data = &max1586_info,
637 },
638};
639
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100640/* Board I2C devices. */
Robert Jarzmik8dbed712010-06-02 23:29:50 +0200641static struct i2c_board_info mioa701_i2c_devices[] = {
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100642 {
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100643 I2C_BOARD_INFO("mt9m111", 0x5d),
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100644 },
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100645};
646
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100647struct i2c_pxa_platform_data i2c_pdata = {
648 .fast_mode = 1,
649};
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100650
Robert Jarzmikcc8d2732009-04-13 16:07:55 +0200651static pxa2xx_audio_ops_t mioa701_ac97_info = {
652 .reset_gpio = 95,
Marek Vasut241cf472010-06-04 03:07:33 +0200653 .codec_pdata = { &mioa701_wm97xx_pdata, },
Robert Jarzmikcc8d2732009-04-13 16:07:55 +0200654};
655
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100656/*
657 * Mio global
658 */
659
660/* Devices */
661#define MIO_PARENT_DEV(var, strname, tparent, pdata) \
662static struct platform_device var = { \
663 .name = strname, \
664 .id = -1, \
665 .dev = { \
666 .platform_data = pdata, \
667 .parent = tparent, \
668 }, \
669};
670#define MIO_SIMPLE_DEV(var, strname, pdata) \
671 MIO_PARENT_DEV(var, strname, NULL, pdata)
672
673MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data)
674MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev,
675 &mioa701_backlight_data);
676MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info)
677MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100678MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL)
679MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL)
Robert Jarzmik68853862015-09-18 18:40:12 +0200680MIO_SIMPLE_DEV(wm9713_acodec, "wm9713-codec", NULL);
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100681MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100682
683static struct platform_device *devices[] __initdata = {
684 &mioa701_gpio_keys,
685 &mioa701_backlight,
686 &mioa701_led,
Robert Jarzmik68853862015-09-18 18:40:12 +0200687 &wm9713_acodec,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100688 &pxa2xx_pcm,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100689 &mioa701_sound,
690 &power_dev,
Robert Jarzmik43a90872011-12-17 12:49:51 +0100691 &docg3,
Robert Jarzmik689b4fe2009-01-30 20:48:24 +0100692 &gpio_vbus,
693 &mioa701_board,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100694};
695
696static void mioa701_machine_exit(void);
697
698static void mioa701_poweroff(void)
699{
700 mioa701_machine_exit();
Robin Holt7b6d8642013-07-08 16:01:40 -0700701 pxa_restart(REBOOT_SOFT, NULL);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100702}
703
Robin Holt7b6d8642013-07-08 16:01:40 -0700704static void mioa701_restart(enum reboot_mode c, const char *cmd)
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100705{
706 mioa701_machine_exit();
Robin Holt7b6d8642013-07-08 16:01:40 -0700707 pxa_restart(REBOOT_SOFT, cmd);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100708}
709
Philipp Zabel4c738b22011-04-28 22:19:32 +0200710static struct gpio global_gpios[] = {
711 { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
712 { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
713 { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
Robert Jarzmikc2219e42012-04-22 23:24:00 +0200714 { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100715};
716
Thierry Reding902e6a02013-12-20 10:46:52 +0100717static struct regulator_consumer_supply fixed_5v0_consumers[] = {
718 REGULATOR_SUPPLY("power", "pwm-backlight"),
719};
720
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100721static void __init mioa701_machine_init(void)
722{
Philipp Zabel4c738b22011-04-28 22:19:32 +0200723 int rc;
724
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100725 PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
726 PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
727 RTTR = 32768 - 1; /* Reset crazy WinCE value */
728 UP2OCR = UP2OCR_HXOE;
729
Robert Jarzmik43a90872011-12-17 12:49:51 +0100730 /*
731 * Set up the flash memory : DiskOnChip G3 on first static memory bank
732 */
733 __raw_writel(0x7ff02dd8, MSC0);
734 __raw_writel(0x0001c391, MCMEM0);
735 __raw_writel(0x0001c391, MCATT0);
736 __raw_writel(0x0001c391, MCIO0);
737
738
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100739 pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
Russell Kingcc155c62009-11-09 13:34:08 +0800740 pxa_set_ffuart_info(NULL);
741 pxa_set_btuart_info(NULL);
742 pxa_set_stuart_info(NULL);
Philipp Zabel4c738b22011-04-28 22:19:32 +0200743 rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
744 if (rc)
745 pr_err("MioA701: Failed to request GPIOs: %d", rc);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100746 bootstrap_init();
Russell King - ARM Linux4321e1a2011-02-15 15:37:30 +0800747 pxa_set_fb_info(NULL, &mioa701_pxafb_info);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100748 pxa_set_mci_info(&mioa701_mci_info);
749 pxa_set_keypad_info(&mioa701_keypad_info);
Robert Jarzmikcefdb2a2009-01-31 21:07:09 +0100750 pxa_set_udc_info(&mioa701_udc_info);
Robert Jarzmikcc8d2732009-04-13 16:07:55 +0200751 pxa_set_ac97_info(&mioa701_ac97_info);
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100752 pm_power_off = mioa701_poweroff;
Thierry Reding64c644a2015-10-05 10:49:48 +0200753 pwm_add_table(mioa701_pwm_lookup, ARRAY_SIZE(mioa701_pwm_lookup));
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100754 platform_add_devices(devices, ARRAY_SIZE(devices));
755 gsm_init();
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100756
Robert Jarzmik4ebfcde2016-09-23 22:30:52 +0200757 i2c_register_board_info(0, ARRAY_AND_SIZE(mioa701_i2c_devices));
Robert Jarzmik9752e142009-04-30 11:53:30 +0800758 i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100759 pxa_set_i2c_info(&i2c_pdata);
Robert Jarzmik9752e142009-04-30 11:53:30 +0800760 pxa27x_set_i2c_power_info(NULL);
Robert Jarzmik8e7ccdd2008-11-15 16:09:54 +0100761 pxa_set_camera_info(&mioa701_pxacamera_platform_data);
Thierry Reding902e6a02013-12-20 10:46:52 +0100762
763 regulator_register_always_on(0, "fixed-5.0V", fixed_5v0_consumers,
764 ARRAY_SIZE(fixed_5v0_consumers),
765 5000000);
Robert Jarzmik4ebfcde2016-09-23 22:30:52 +0200766 regulator_has_full_constraints();
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100767}
768
769static void mioa701_machine_exit(void)
770{
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100771 bootstrap_exit();
772 gsm_exit();
773}
774
775MACHINE_START(MIOA701, "MIO A701")
Nicolas Pitre7375aba2011-07-05 22:38:15 -0400776 .atag_offset = 0x100,
Marek Vasut851982c2010-10-11 02:20:19 +0200777 .map_io = &pxa27x_map_io,
Rob Herring4e611092012-01-03 16:53:48 -0600778 .nr_irqs = PXA_NR_IRQS,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100779 .init_irq = &pxa27x_init_irq,
Eric Miao8a97ae22011-05-18 21:30:04 +0800780 .handle_irq = &pxa27x_handle_irq,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100781 .init_machine = mioa701_machine_init,
Stephen Warren6bb27d72012-11-08 12:40:59 -0700782 .init_time = pxa_timer_init,
Russell King271a74f2011-11-04 14:15:53 +0000783 .restart = mioa701_restart,
Robert Jarzmikeda6f6e2008-08-17 09:34:30 +0100784MACHINE_END