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0001 // SPDX-License-Identifier: GPL-2.0-or-later
0002 /*
0003  * Handles the Mitac Mio A701 Board
0004  *
0005  * Copyright (C) 2008 Robert Jarzmik
0006  */
0007 
0008 #include <linux/kernel.h>
0009 #include <linux/init.h>
0010 #include <linux/platform_device.h>
0011 #include <linux/syscore_ops.h>
0012 #include <linux/input.h>
0013 #include <linux/delay.h>
0014 #include <linux/gpio_keys.h>
0015 #include <linux/pwm.h>
0016 #include <linux/pwm_backlight.h>
0017 #include <linux/rtc.h>
0018 #include <linux/leds.h>
0019 #include <linux/gpio.h>
0020 #include <linux/gpio/machine.h>
0021 #include <linux/interrupt.h>
0022 #include <linux/irq.h>
0023 #include <linux/pda_power.h>
0024 #include <linux/power_supply.h>
0025 #include <linux/wm97xx.h>
0026 #include <linux/mtd/physmap.h>
0027 #include <linux/reboot.h>
0028 #include <linux/regulator/fixed.h>
0029 #include <linux/regulator/max1586.h>
0030 #include <linux/slab.h>
0031 #include <linux/platform_data/i2c-pxa.h>
0032 
0033 #include <asm/mach-types.h>
0034 #include <asm/mach/arch.h>
0035 
0036 #include "pxa27x.h"
0037 #include "regs-rtc.h"
0038 #include <linux/platform_data/keypad-pxa27x.h>
0039 #include <linux/platform_data/video-pxafb.h>
0040 #include <linux/platform_data/mmc-pxamci.h>
0041 #include "udc.h"
0042 #include "pxa27x-udc.h"
0043 #include <linux/platform_data/media/camera-pxa.h>
0044 #include <linux/platform_data/asoc-pxa.h>
0045 #include "smemc.h"
0046 
0047 #include "mioa701.h"
0048 
0049 #include "generic.h"
0050 #include "devices.h"
0051 
0052 static unsigned long mioa701_pin_config[] = {
0053     /* Mio global */
0054     MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
0055     MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
0056     MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
0057     MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
0058     MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
0059 
0060     /* Backlight PWM 0 */
0061     GPIO16_PWM0_OUT,
0062 
0063     /* MMC */
0064     GPIO32_MMC_CLK,
0065     GPIO92_MMC_DAT_0,
0066     GPIO109_MMC_DAT_1,
0067     GPIO110_MMC_DAT_2,
0068     GPIO111_MMC_DAT_3,
0069     GPIO112_MMC_CMD,
0070     MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
0071     MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
0072     MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
0073 
0074     /* USB */
0075     MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
0076     MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
0077 
0078     /* LCD */
0079     GPIOxx_LCD_TFT_16BPP,
0080 
0081     /* QCI */
0082     GPIO12_CIF_DD_7,
0083     GPIO17_CIF_DD_6,
0084     GPIO50_CIF_DD_3,
0085     GPIO51_CIF_DD_2,
0086     GPIO52_CIF_DD_4,
0087     GPIO53_CIF_MCLK,
0088     GPIO54_CIF_PCLK,
0089     GPIO55_CIF_DD_1,
0090     GPIO81_CIF_DD_0,
0091     GPIO82_CIF_DD_5,
0092     GPIO84_CIF_FV,
0093     GPIO85_CIF_LV,
0094     MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
0095 
0096     /* Bluetooth */
0097     MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
0098     GPIO44_BTUART_CTS,
0099     GPIO42_BTUART_RXD,
0100     GPIO45_BTUART_RTS,
0101     GPIO43_BTUART_TXD,
0102     MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
0103     MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
0104     MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
0105 
0106     /* GPS */
0107     MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
0108     MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
0109     MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
0110     MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
0111     MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
0112     GPIO46_STUART_RXD,
0113     GPIO47_STUART_TXD,
0114 
0115     /* GSM */
0116     MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
0117     MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
0118     MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
0119     MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
0120     MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
0121     MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
0122     GPIO34_FFUART_RXD,
0123     GPIO35_FFUART_CTS,
0124     GPIO36_FFUART_DCD,
0125     GPIO37_FFUART_DSR,
0126     GPIO39_FFUART_TXD,
0127     GPIO40_FFUART_DTR,
0128     GPIO41_FFUART_RTS,
0129 
0130     /* Sound */
0131     GPIO28_AC97_BITCLK,
0132     GPIO29_AC97_SDATA_IN_0,
0133     GPIO30_AC97_SDATA_OUT,
0134     GPIO31_AC97_SYNC,
0135     GPIO89_AC97_SYSCLK,
0136     MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
0137 
0138     /* Leds */
0139     MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
0140     MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
0141     MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
0142     MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
0143     MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
0144 
0145     /* Keyboard */
0146     MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
0147     MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
0148     MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
0149     GPIO100_KP_MKIN_0,
0150     GPIO101_KP_MKIN_1,
0151     GPIO102_KP_MKIN_2,
0152     GPIO103_KP_MKOUT_0,
0153     GPIO104_KP_MKOUT_1,
0154     GPIO105_KP_MKOUT_2,
0155 
0156     /* I2C */
0157     GPIO117_I2C_SCL,
0158     GPIO118_I2C_SDA,
0159 
0160     /* Unknown */
0161     MFP_CFG_IN(GPIO20, AF0),
0162     MFP_CFG_IN(GPIO21, AF0),
0163     MFP_CFG_IN(GPIO33, AF0),
0164     MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
0165     MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
0166     MFP_CFG_IN(GPIO96, AF0),
0167     MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
0168 };
0169 
0170 static struct pwm_lookup mioa701_pwm_lookup[] = {
0171     PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 4000 * 1024,
0172            PWM_POLARITY_NORMAL),
0173 };
0174 
0175 /* LCD Screen and Backlight */
0176 static struct platform_pwm_backlight_data mioa701_backlight_data = {
0177     .max_brightness = 100,
0178     .dft_brightness = 50,
0179 };
0180 
0181 /*
0182  * LTM0305A776C LCD panel timings
0183  *
0184  * see:
0185  *  - the LTM0305A776C datasheet,
0186  *  - and the PXA27x Programmers' manual
0187  */
0188 static struct pxafb_mode_info mioa701_ltm0305a776c = {
0189     .pixclock       = 220000,   /* CLK=4.545 MHz */
0190     .xres           = 240,
0191     .yres           = 320,
0192     .bpp            = 16,
0193     .hsync_len      = 4,
0194     .vsync_len      = 2,
0195     .left_margin        = 6,
0196     .right_margin       = 4,
0197     .upper_margin       = 5,
0198     .lower_margin       = 3,
0199 };
0200 
0201 static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
0202 {
0203     gpio_set_value(GPIO87_LCD_POWER, on);
0204 }
0205 
0206 static struct pxafb_mach_info mioa701_pxafb_info = {
0207     .modes          = &mioa701_ltm0305a776c,
0208     .num_modes      = 1,
0209     .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
0210     .pxafb_lcd_power    = mioa701_lcd_power,
0211 };
0212 
0213 /*
0214  * Keyboard configuration
0215  */
0216 static const unsigned int mioa701_matrix_keys[] = {
0217     KEY(0, 0, KEY_UP),
0218     KEY(0, 1, KEY_RIGHT),
0219     KEY(0, 2, KEY_MEDIA),
0220     KEY(1, 0, KEY_DOWN),
0221     KEY(1, 1, KEY_ENTER),
0222     KEY(1, 2, KEY_CONNECT), /* GPS key */
0223     KEY(2, 0, KEY_LEFT),
0224     KEY(2, 1, KEY_PHONE),   /* Phone Green key */
0225     KEY(2, 2, KEY_CAMERA)   /* Camera key */
0226 };
0227 
0228 static struct matrix_keymap_data mioa701_matrix_keymap_data = {
0229     .keymap         = mioa701_matrix_keys,
0230     .keymap_size        = ARRAY_SIZE(mioa701_matrix_keys),
0231 };
0232 
0233 static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
0234     .matrix_key_rows = 3,
0235     .matrix_key_cols = 3,
0236     .matrix_keymap_data = &mioa701_matrix_keymap_data,
0237 };
0238 
0239 /*
0240  * GPIO Key Configuration
0241  */
0242 #define MIO_KEY(key, _gpio, _desc, _wakeup) \
0243     { .code = (key), .gpio = (_gpio), .active_low = 0, \
0244     .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
0245 static struct gpio_keys_button mioa701_button_table[] = {
0246     MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
0247     MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
0248     MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
0249     MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
0250 };
0251 
0252 static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
0253     .buttons  = mioa701_button_table,
0254     .nbuttons = ARRAY_SIZE(mioa701_button_table),
0255 };
0256 
0257 /*
0258  * Leds and vibrator
0259  */
0260 #define ONE_LED(_gpio, _name) \
0261 { .gpio = (_gpio), .name = (_name), .active_low = true }
0262 static struct gpio_led gpio_leds[] = {
0263     ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
0264     ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
0265     ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
0266     ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
0267     ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
0268 };
0269 
0270 static struct gpio_led_platform_data gpio_led_info = {
0271     .leds = gpio_leds,
0272     .num_leds = ARRAY_SIZE(gpio_leds),
0273 };
0274 
0275 /*
0276  * GSM Sagem XS200 chip
0277  *
0278  * GSM handling was purged from kernel. For history, this is the way to go :
0279  *   - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
0280  *            GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
0281  *   - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
0282  *             GPIO24_GSM_MOD_RESET_CMD = 0
0283  *   - turn on  : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
0284  *                GPIO88_GSM_nMOD_ON_CMD = 1
0285  *   - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
0286  *                GPIO90_GSM_nMOD_OFF_CMD = 1
0287  */
0288 static int is_gsm_on(void)
0289 {
0290     int is_on;
0291 
0292     is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
0293     return is_on;
0294 }
0295 
0296 irqreturn_t gsm_on_irq(int irq, void *p)
0297 {
0298     printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
0299            is_gsm_on() ? "on" : "off");
0300     return IRQ_HANDLED;
0301 }
0302 
0303 static struct gpio gsm_gpios[] = {
0304     { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
0305     { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
0306 };
0307 
0308 static int __init gsm_init(void)
0309 {
0310     int rc;
0311 
0312     rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
0313     if (rc)
0314         goto err_gpio;
0315     rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
0316              IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
0317              "GSM XS200 Power Irq", NULL);
0318     if (rc)
0319         goto err_irq;
0320 
0321     gpio_set_wake(GPIO113_GSM_EVENT, 1);
0322     return 0;
0323 
0324 err_irq:
0325     printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
0326     gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
0327 err_gpio:
0328     printk(KERN_ERR "Mioa701: gsm not available\n");
0329     return rc;
0330 }
0331 
0332 static void gsm_exit(void)
0333 {
0334     free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
0335     gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
0336 }
0337 
0338 /*
0339  * Bluetooth BRF6150 chip
0340  *
0341  * BT handling was purged from kernel. For history, this is the way to go :
0342  * - turn on  : GPIO83_BT_ON = 1
0343  * - turn off : GPIO83_BT_ON = 0
0344  */
0345 
0346 /*
0347  * GPS Sirf Star III chip
0348  *
0349  * GPS handling was purged from kernel. For history, this is the way to go :
0350  * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
0351  *          GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
0352  * - turn on  : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
0353  * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
0354  */
0355 
0356 /*
0357  * USB UDC
0358  */
0359 static int is_usb_connected(void)
0360 {
0361     return !gpio_get_value(GPIO13_nUSB_DETECT);
0362 }
0363 
0364 static struct pxa2xx_udc_mach_info mioa701_udc_info = {
0365     .udc_is_connected = is_usb_connected,
0366     .gpio_pullup      = GPIO22_USB_ENABLE,
0367 };
0368 
0369 static struct gpiod_lookup_table gpio_vbus_gpiod_table = {
0370     .dev_id = "gpio-vbus",
0371     .table = {
0372         GPIO_LOOKUP("gpio-pxa", GPIO13_nUSB_DETECT,
0373                 "vbus", GPIO_ACTIVE_LOW),
0374         { },
0375     },
0376 };
0377 
0378 /*
0379  * SDIO/MMC Card controller
0380  */
0381 /**
0382  * The card detect interrupt isn't debounced so we delay it by 250ms
0383  * to give the card a chance to fully insert/eject.
0384  */
0385 static struct pxamci_platform_data mioa701_mci_info = {
0386     .detect_delay_ms    = 250,
0387     .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34,
0388 };
0389 
0390 static struct gpiod_lookup_table mioa701_mci_gpio_table = {
0391     .dev_id = "pxa2xx-mci.0",
0392     .table = {
0393         /* Card detect on GPIO 15 */
0394         GPIO_LOOKUP("gpio-pxa", GPIO15_SDIO_INSERT,
0395                 "cd", GPIO_ACTIVE_LOW),
0396         /* Write protect on GPIO 78 */
0397         GPIO_LOOKUP("gpio-pxa", GPIO78_SDIO_RO,
0398                 "wp", GPIO_ACTIVE_LOW),
0399         /* Power on GPIO 91 */
0400         GPIO_LOOKUP("gpio-pxa", GPIO91_SDIO_EN,
0401                 "power", GPIO_ACTIVE_HIGH),
0402         { },
0403     },
0404 };
0405 
0406 /* FlashRAM */
0407 static struct resource docg3_resource = {
0408     .start = PXA_CS0_PHYS,
0409     .end   = PXA_CS0_PHYS + SZ_8K - 1,
0410     .flags = IORESOURCE_MEM,
0411 };
0412 
0413 static struct platform_device docg3 = {
0414     .name          = "docg3",
0415     .id        = -1,
0416     .resource      = &docg3_resource,
0417     .num_resources = 1,
0418     .dev = {
0419         .platform_data = NULL,
0420     },
0421 };
0422 
0423 /*
0424  * Suspend/Resume bootstrap management
0425  *
0426  * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
0427  * this sequence is as follows :
0428  *   - disables interrupts
0429  *   - initialize SDRAM (self refresh RAM into active RAM)
0430  *   - initialize GPIOs (depends on value at 0xa020b020)
0431  *   - initialize coprossessors
0432  *   - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
0433  *   - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
0434  *   - else do a resume, ie. jump to addr 0xa0100000
0435  */
0436 #define RESUME_ENABLE_ADDR  0xa020b000
0437 #define RESUME_ENABLE_VAL   0x0f0f0f0f
0438 #define RESUME_BT_ADDR      0xa020b020
0439 #define RESUME_UNKNOWN_ADDR 0xa020b024
0440 #define RESUME_VECTOR_ADDR  0xa0100000
0441 #define BOOTSTRAP_WORDS     mioa701_bootstrap_lg/4
0442 
0443 static u32 *save_buffer;
0444 
0445 static void install_bootstrap(void)
0446 {
0447     int i;
0448     u32 *rom_bootstrap  = phys_to_virt(RESUME_VECTOR_ADDR);
0449     u32 *src = &mioa701_bootstrap;
0450 
0451     for (i = 0; i < BOOTSTRAP_WORDS; i++)
0452         rom_bootstrap[i] = src[i];
0453 }
0454 
0455 
0456 static int mioa701_sys_suspend(void)
0457 {
0458     int i = 0, is_bt_on;
0459     u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
0460     u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
0461     u32 *mem_resume_bt  = phys_to_virt(RESUME_BT_ADDR);
0462     u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
0463 
0464     /* Devices prepare suspend */
0465     is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
0466     pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
0467                is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
0468 
0469     for (i = 0; i < BOOTSTRAP_WORDS; i++)
0470         save_buffer[i] = mem_resume_vector[i];
0471     save_buffer[i++] = *mem_resume_enabler;
0472     save_buffer[i++] = *mem_resume_bt;
0473     save_buffer[i++] = *mem_resume_unknown;
0474 
0475     *mem_resume_enabler = RESUME_ENABLE_VAL;
0476     *mem_resume_bt      = is_bt_on;
0477 
0478     install_bootstrap();
0479     return 0;
0480 }
0481 
0482 static void mioa701_sys_resume(void)
0483 {
0484     int i = 0;
0485     u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
0486     u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
0487     u32 *mem_resume_bt  = phys_to_virt(RESUME_BT_ADDR);
0488     u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
0489 
0490     for (i = 0; i < BOOTSTRAP_WORDS; i++)
0491         mem_resume_vector[i] = save_buffer[i];
0492     *mem_resume_enabler = save_buffer[i++];
0493     *mem_resume_bt      = save_buffer[i++];
0494     *mem_resume_unknown = save_buffer[i++];
0495 }
0496 
0497 static struct syscore_ops mioa701_syscore_ops = {
0498     .suspend    = mioa701_sys_suspend,
0499     .resume     = mioa701_sys_resume,
0500 };
0501 
0502 static int __init bootstrap_init(void)
0503 {
0504     int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
0505 
0506     register_syscore_ops(&mioa701_syscore_ops);
0507 
0508     save_buffer = kmalloc(save_size, GFP_KERNEL);
0509     if (!save_buffer)
0510         return -ENOMEM;
0511     printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
0512            save_size);
0513     return 0;
0514 }
0515 
0516 static void bootstrap_exit(void)
0517 {
0518     kfree(save_buffer);
0519     unregister_syscore_ops(&mioa701_syscore_ops);
0520 
0521     printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
0522            "resume !!!\n");
0523 }
0524 
0525 /*
0526  * Power Supply
0527  */
0528 static char *supplicants[] = {
0529     "mioa701_battery"
0530 };
0531 
0532 static int is_ac_connected(void)
0533 {
0534     return gpio_get_value(GPIO96_AC_DETECT);
0535 }
0536 
0537 static void mioa701_set_charge(int flags)
0538 {
0539     gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
0540 }
0541 
0542 static struct pda_power_pdata power_pdata = {
0543     .is_ac_online   = is_ac_connected,
0544     .is_usb_online  = is_usb_connected,
0545     .set_charge = mioa701_set_charge,
0546     .supplied_to = supplicants,
0547     .num_supplicants = ARRAY_SIZE(supplicants),
0548 };
0549 
0550 static struct resource power_resources[] = {
0551     [0] = {
0552         .name   = "ac",
0553         .start  = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
0554         .end    = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
0555         .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
0556         IORESOURCE_IRQ_LOWEDGE,
0557     },
0558     [1] = {
0559         .name   = "usb",
0560         .start  = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
0561         .end    = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
0562         .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
0563         IORESOURCE_IRQ_LOWEDGE,
0564     },
0565 };
0566 
0567 static struct platform_device power_dev = {
0568     .name       = "pda-power",
0569     .id     = -1,
0570     .resource   = power_resources,
0571     .num_resources  = ARRAY_SIZE(power_resources),
0572     .dev = {
0573         .platform_data  = &power_pdata,
0574     },
0575 };
0576 
0577 static struct wm97xx_batt_pdata mioa701_battery_data = {
0578     .batt_aux   = WM97XX_AUX_ID1,
0579     .temp_aux   = -1,
0580     .min_voltage    = 0xc00,
0581     .max_voltage    = 0xfc0,
0582     .batt_tech  = POWER_SUPPLY_TECHNOLOGY_LION,
0583     .batt_div   = 1,
0584     .batt_mult  = 1,
0585     .batt_name  = "mioa701_battery",
0586 };
0587 
0588 static struct wm97xx_pdata mioa701_wm97xx_pdata = {
0589     .batt_pdata = &mioa701_battery_data,
0590 };
0591 
0592 /*
0593  * Voltage regulation
0594  */
0595 static struct regulator_consumer_supply max1586_consumers[] = {
0596     REGULATOR_SUPPLY("vcc_core", NULL),
0597 };
0598 
0599 static struct regulator_init_data max1586_v3_info = {
0600     .constraints = {
0601         .name = "vcc_core range",
0602         .min_uV = 1000000,
0603         .max_uV = 1705000,
0604         .always_on = 1,
0605         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
0606     },
0607     .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
0608     .consumer_supplies = max1586_consumers,
0609 };
0610 
0611 static struct max1586_subdev_data max1586_subdevs[] = {
0612     { .name = "vcc_core", .id = MAX1586_V3,
0613       .platform_data = &max1586_v3_info },
0614 };
0615 
0616 static struct max1586_platform_data max1586_info = {
0617     .subdevs = max1586_subdevs,
0618     .num_subdevs = ARRAY_SIZE(max1586_subdevs),
0619     .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
0620 };
0621 
0622 /*
0623  * Camera interface
0624  */
0625 struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
0626     .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
0627         PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
0628     .mclk_10khz = 5000,
0629     .sensor_i2c_adapter_id = 0,
0630     .sensor_i2c_address = 0x5d,
0631 };
0632 
0633 static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
0634     {
0635         I2C_BOARD_INFO("max1586", 0x14),
0636         .platform_data = &max1586_info,
0637     },
0638 };
0639 
0640 /* Board I2C devices. */
0641 static struct i2c_board_info mioa701_i2c_devices[] = {
0642     {
0643         I2C_BOARD_INFO("mt9m111", 0x5d),
0644     },
0645 };
0646 
0647 struct i2c_pxa_platform_data i2c_pdata = {
0648     .fast_mode = 1,
0649 };
0650 
0651 static pxa2xx_audio_ops_t mioa701_ac97_info = {
0652     .reset_gpio = 95,
0653     .codec_pdata = { &mioa701_wm97xx_pdata, },
0654 };
0655 
0656 /*
0657  * Mio global
0658  */
0659 
0660 /* Devices */
0661 #define MIO_PARENT_DEV(var, strname, tparent, pdata)    \
0662 static struct platform_device var = {           \
0663     .name       = strname,          \
0664     .id     = -1,               \
0665     .dev        = {             \
0666         .platform_data = pdata,         \
0667         .parent = tparent,          \
0668     },                      \
0669 };
0670 #define MIO_SIMPLE_DEV(var, strname, pdata) \
0671     MIO_PARENT_DEV(var, strname, NULL, pdata)
0672 
0673 MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys",      &mioa701_gpio_keys_data)
0674 MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight",  &pxa27x_device_pwm0.dev,
0675         &mioa701_backlight_data);
0676 MIO_SIMPLE_DEV(mioa701_led,   "leds-gpio",      &gpio_led_info)
0677 MIO_SIMPLE_DEV(pxa2xx_pcm,    "pxa2xx-pcm",     NULL)
0678 MIO_SIMPLE_DEV(mioa701_sound,     "mioa701-wm9713", NULL)
0679 MIO_SIMPLE_DEV(mioa701_board,     "mioa701-board",  NULL)
0680 MIO_SIMPLE_DEV(gpio_vbus,     "gpio-vbus",      NULL);
0681 
0682 static struct platform_device *devices[] __initdata = {
0683     &mioa701_gpio_keys,
0684     &mioa701_backlight,
0685     &mioa701_led,
0686     &pxa2xx_pcm,
0687     &mioa701_sound,
0688     &power_dev,
0689     &docg3,
0690     &gpio_vbus,
0691     &mioa701_board,
0692 };
0693 
0694 static void mioa701_machine_exit(void);
0695 
0696 static void mioa701_poweroff(void)
0697 {
0698     mioa701_machine_exit();
0699     pxa_restart(REBOOT_SOFT, NULL);
0700 }
0701 
0702 static void mioa701_restart(enum reboot_mode c, const char *cmd)
0703 {
0704     mioa701_machine_exit();
0705     pxa_restart(REBOOT_SOFT, cmd);
0706 }
0707 
0708 static struct gpio global_gpios[] = {
0709     { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
0710     { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
0711     { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
0712     { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
0713 };
0714 
0715 static struct regulator_consumer_supply fixed_5v0_consumers[] = {
0716     REGULATOR_SUPPLY("power", "pwm-backlight"),
0717 };
0718 
0719 static void __init mioa701_machine_init(void)
0720 {
0721     int rc;
0722 
0723     PSLR  = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
0724     PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
0725     RTTR = 32768 - 1; /* Reset crazy WinCE value */
0726     UP2OCR = UP2OCR_HXOE;
0727 
0728     /*
0729      * Set up the flash memory : DiskOnChip G3 on first static memory bank
0730      */
0731     __raw_writel(0x7ff02dd8, MSC0);
0732     __raw_writel(0x0001c391, MCMEM0);
0733     __raw_writel(0x0001c391, MCATT0);
0734     __raw_writel(0x0001c391, MCIO0);
0735 
0736 
0737     pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
0738     pxa_set_ffuart_info(NULL);
0739     pxa_set_btuart_info(NULL);
0740     pxa_set_stuart_info(NULL);
0741     rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
0742     if (rc)
0743         pr_err("MioA701: Failed to request GPIOs: %d", rc);
0744     bootstrap_init();
0745     pxa_set_fb_info(NULL, &mioa701_pxafb_info);
0746     gpiod_add_lookup_table(&mioa701_mci_gpio_table);
0747     pxa_set_mci_info(&mioa701_mci_info);
0748     pxa_set_keypad_info(&mioa701_keypad_info);
0749     pxa_set_udc_info(&mioa701_udc_info);
0750     pxa_set_ac97_info(&mioa701_ac97_info);
0751     pm_power_off = mioa701_poweroff;
0752     pwm_add_table(mioa701_pwm_lookup, ARRAY_SIZE(mioa701_pwm_lookup));
0753     gpiod_add_lookup_table(&gpio_vbus_gpiod_table);
0754     platform_add_devices(devices, ARRAY_SIZE(devices));
0755     gsm_init();
0756 
0757     i2c_register_board_info(0, ARRAY_AND_SIZE(mioa701_i2c_devices));
0758     i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
0759     pxa_set_i2c_info(&i2c_pdata);
0760     pxa27x_set_i2c_power_info(NULL);
0761     pxa_set_camera_info(&mioa701_pxacamera_platform_data);
0762 
0763     regulator_register_always_on(0, "fixed-5.0V", fixed_5v0_consumers,
0764                      ARRAY_SIZE(fixed_5v0_consumers),
0765                      5000000);
0766     regulator_has_full_constraints();
0767 }
0768 
0769 static void mioa701_machine_exit(void)
0770 {
0771     bootstrap_exit();
0772     gsm_exit();
0773 }
0774 
0775 MACHINE_START(MIOA701, "MIO A701")
0776     .atag_offset    = 0x100,
0777     .map_io     = &pxa27x_map_io,
0778     .nr_irqs    = PXA_NR_IRQS,
0779     .init_irq   = &pxa27x_init_irq,
0780     .handle_irq = &pxa27x_handle_irq,
0781     .init_machine   = mioa701_machine_init,
0782     .init_time  = pxa_timer_init,
0783     .restart    = mioa701_restart,
0784 MACHINE_END
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