| /* |
| * Handles the Mitac Mio A701 Board |
| * |
| * Copyright (C) 2008 Robert Jarzmik |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/platform_device.h> |
| #include <linux/sysdev.h> |
| #include <linux/input.h> |
| #include <linux/delay.h> |
| #include <linux/gpio_keys.h> |
| #include <linux/pwm_backlight.h> |
| #include <linux/rtc.h> |
| #include <linux/leds.h> |
| #include <linux/gpio.h> |
| #include <linux/interrupt.h> |
| #include <linux/irq.h> |
| #include <linux/pda_power.h> |
| #include <linux/power_supply.h> |
| #include <linux/wm97xx.h> |
| #include <linux/mtd/physmap.h> |
| #include <linux/usb/gpio_vbus.h> |
| #include <linux/regulator/max1586.h> |
| #include <linux/slab.h> |
| #include <linux/i2c/pxa-i2c.h> |
| |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| |
| #include <mach/pxa27x.h> |
| #include <mach/regs-rtc.h> |
| #include <plat/pxa27x_keypad.h> |
| #include <mach/pxafb.h> |
| #include <mach/mmc.h> |
| #include <mach/udc.h> |
| #include <mach/pxa27x-udc.h> |
| #include <mach/camera.h> |
| #include <mach/audio.h> |
| #include <media/soc_camera.h> |
| |
| #include <mach/mioa701.h> |
| |
| #include "generic.h" |
| #include "devices.h" |
| |
| static unsigned long mioa701_pin_config[] = { |
| /* Mio global */ |
| MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW), |
| MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW), |
| MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH), |
| MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH), |
| MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0), |
| |
| /* Backlight PWM 0 */ |
| GPIO16_PWM0_OUT, |
| |
| /* MMC */ |
| GPIO32_MMC_CLK, |
| GPIO92_MMC_DAT_0, |
| GPIO109_MMC_DAT_1, |
| GPIO110_MMC_DAT_2, |
| GPIO111_MMC_DAT_3, |
| GPIO112_MMC_CMD, |
| MIO_CFG_IN(GPIO78_SDIO_RO, AF0), |
| MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0), |
| MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW), |
| |
| /* USB */ |
| MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0), |
| MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW), |
| |
| /* LCD */ |
| GPIOxx_LCD_TFT_16BPP, |
| |
| /* QCI */ |
| GPIO12_CIF_DD_7, |
| GPIO17_CIF_DD_6, |
| GPIO50_CIF_DD_3, |
| GPIO51_CIF_DD_2, |
| GPIO52_CIF_DD_4, |
| GPIO53_CIF_MCLK, |
| GPIO54_CIF_PCLK, |
| GPIO55_CIF_DD_1, |
| GPIO81_CIF_DD_0, |
| GPIO82_CIF_DD_5, |
| GPIO84_CIF_FV, |
| GPIO85_CIF_LV, |
| |
| /* Bluetooth */ |
| MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0), |
| GPIO44_BTUART_CTS, |
| GPIO42_BTUART_RXD, |
| GPIO45_BTUART_RTS, |
| GPIO43_BTUART_TXD, |
| MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW), |
| MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH), |
| MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH), |
| |
| /* GPS */ |
| MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW), |
| MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW), |
| MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW), |
| MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW), |
| MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW), |
| GPIO46_STUART_RXD, |
| GPIO47_STUART_TXD, |
| |
| /* GSM */ |
| MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW), |
| MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH), |
| MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH), |
| MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH), |
| MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0), |
| MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH, |
| GPIO34_FFUART_RXD, |
| GPIO35_FFUART_CTS, |
| GPIO36_FFUART_DCD, |
| GPIO37_FFUART_DSR, |
| GPIO39_FFUART_TXD, |
| GPIO40_FFUART_DTR, |
| GPIO41_FFUART_RTS, |
| |
| /* Sound */ |
| GPIO28_AC97_BITCLK, |
| GPIO29_AC97_SDATA_IN_0, |
| GPIO30_AC97_SDATA_OUT, |
| GPIO31_AC97_SYNC, |
| GPIO89_AC97_SYSCLK, |
| MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0), |
| |
| /* Leds */ |
| MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH), |
| MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH), |
| MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH), |
| MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH), |
| MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH), |
| |
| /* Keyboard */ |
| MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH, |
| MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0), |
| MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0), |
| GPIO100_KP_MKIN_0, |
| GPIO101_KP_MKIN_1, |
| GPIO102_KP_MKIN_2, |
| GPIO103_KP_MKOUT_0, |
| GPIO104_KP_MKOUT_1, |
| GPIO105_KP_MKOUT_2, |
| |
| /* I2C */ |
| GPIO117_I2C_SCL, |
| GPIO118_I2C_SDA, |
| |
| /* Unknown */ |
| MFP_CFG_IN(GPIO20, AF0), |
| MFP_CFG_IN(GPIO21, AF0), |
| MFP_CFG_IN(GPIO33, AF0), |
| MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH), |
| MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH), |
| MFP_CFG_IN(GPIO96, AF0), |
| MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH), |
| }; |
| |
| #define MIO_GPIO_IN(num, _desc) \ |
| { .gpio = (num), .dir = 0, .desc = (_desc) } |
| #define MIO_GPIO_OUT(num, _init, _desc) \ |
| { .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) } |
| struct gpio_ress { |
| unsigned gpio : 8; |
| unsigned dir : 1; |
| unsigned init : 1; |
| char *desc; |
| }; |
| |
| static int mio_gpio_request(struct gpio_ress *gpios, int size) |
| { |
| int i, rc = 0; |
| int gpio; |
| int dir; |
| |
| for (i = 0; (!rc) && (i < size); i++) { |
| gpio = gpios[i].gpio; |
| dir = gpios[i].dir; |
| rc = gpio_request(gpio, gpios[i].desc); |
| if (rc) { |
| printk(KERN_ERR "Error requesting GPIO %d(%s) : %d\n", |
| gpio, gpios[i].desc, rc); |
| continue; |
| } |
| if (dir) |
| gpio_direction_output(gpio, gpios[i].init); |
| else |
| gpio_direction_input(gpio); |
| } |
| while ((rc) && (--i >= 0)) |
| gpio_free(gpios[i].gpio); |
| return rc; |
| } |
| |
| static void mio_gpio_free(struct gpio_ress *gpios, int size) |
| { |
| int i; |
| |
| for (i = 0; i < size; i++) |
| gpio_free(gpios[i].gpio); |
| } |
| |
| /* LCD Screen and Backlight */ |
| static struct platform_pwm_backlight_data mioa701_backlight_data = { |
| .pwm_id = 0, |
| .max_brightness = 100, |
| .dft_brightness = 50, |
| .pwm_period_ns = 4000 * 1024, /* Fl = 250kHz */ |
| }; |
| |
| /* |
| * LTM0305A776C LCD panel timings |
| * |
| * see: |
| * - the LTM0305A776C datasheet, |
| * - and the PXA27x Programmers' manual |
| */ |
| static struct pxafb_mode_info mioa701_ltm0305a776c = { |
| .pixclock = 220000, /* CLK=4.545 MHz */ |
| .xres = 240, |
| .yres = 320, |
| .bpp = 16, |
| .hsync_len = 4, |
| .vsync_len = 2, |
| .left_margin = 6, |
| .right_margin = 4, |
| .upper_margin = 5, |
| .lower_margin = 3, |
| }; |
| |
| static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si) |
| { |
| gpio_set_value(GPIO87_LCD_POWER, on); |
| } |
| |
| static struct pxafb_mach_info mioa701_pxafb_info = { |
| .modes = &mioa701_ltm0305a776c, |
| .num_modes = 1, |
| .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, |
| .pxafb_lcd_power = mioa701_lcd_power, |
| }; |
| |
| /* |
| * Keyboard configuration |
| */ |
| static unsigned int mioa701_matrix_keys[] = { |
| KEY(0, 0, KEY_UP), |
| KEY(0, 1, KEY_RIGHT), |
| KEY(0, 2, KEY_MEDIA), |
| KEY(1, 0, KEY_DOWN), |
| KEY(1, 1, KEY_ENTER), |
| KEY(1, 2, KEY_CONNECT), /* GPS key */ |
| KEY(2, 0, KEY_LEFT), |
| KEY(2, 1, KEY_PHONE), /* Phone Green key */ |
| KEY(2, 2, KEY_CAMERA) /* Camera key */ |
| }; |
| static struct pxa27x_keypad_platform_data mioa701_keypad_info = { |
| .matrix_key_rows = 3, |
| .matrix_key_cols = 3, |
| .matrix_key_map = mioa701_matrix_keys, |
| .matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys), |
| }; |
| |
| /* |
| * GPIO Key Configuration |
| */ |
| #define MIO_KEY(key, _gpio, _desc, _wakeup) \ |
| { .code = (key), .gpio = (_gpio), .active_low = 0, \ |
| .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) } |
| static struct gpio_keys_button mioa701_button_table[] = { |
| MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1), |
| MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0), |
| MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0), |
| MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0) |
| }; |
| |
| static struct gpio_keys_platform_data mioa701_gpio_keys_data = { |
| .buttons = mioa701_button_table, |
| .nbuttons = ARRAY_SIZE(mioa701_button_table), |
| }; |
| |
| /* |
| * Leds and vibrator |
| */ |
| #define ONE_LED(_gpio, _name) \ |
| { .gpio = (_gpio), .name = (_name), .active_low = true } |
| static struct gpio_led gpio_leds[] = { |
| ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"), |
| ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"), |
| ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"), |
| ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"), |
| ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard") |
| }; |
| |
| static struct gpio_led_platform_data gpio_led_info = { |
| .leds = gpio_leds, |
| .num_leds = ARRAY_SIZE(gpio_leds), |
| }; |
| |
| /* |
| * GSM Sagem XS200 chip |
| * |
| * GSM handling was purged from kernel. For history, this is the way to go : |
| * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1 |
| * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1 |
| * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100), |
| * GPIO24_GSM_MOD_RESET_CMD = 0 |
| * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000), |
| * GPIO88_GSM_nMOD_ON_CMD = 1 |
| * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000), |
| * GPIO90_GSM_nMOD_OFF_CMD = 1 |
| */ |
| static int is_gsm_on(void) |
| { |
| int is_on; |
| |
| is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE); |
| return is_on; |
| } |
| |
| irqreturn_t gsm_on_irq(int irq, void *p) |
| { |
| printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n", |
| is_gsm_on() ? "on" : "off"); |
| return IRQ_HANDLED; |
| } |
| |
| struct gpio_ress gsm_gpios[] = { |
| MIO_GPIO_IN(GPIO25_GSM_MOD_ON_STATE, "GSM state"), |
| MIO_GPIO_IN(GPIO113_GSM_EVENT, "GSM event"), |
| }; |
| |
| static int __init gsm_init(void) |
| { |
| int rc; |
| |
| rc = mio_gpio_request(ARRAY_AND_SIZE(gsm_gpios)); |
| if (rc) |
| goto err_gpio; |
| rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq, |
| IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, |
| "GSM XS200 Power Irq", NULL); |
| if (rc) |
| goto err_irq; |
| |
| gpio_set_wake(GPIO113_GSM_EVENT, 1); |
| return 0; |
| |
| err_irq: |
| printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n"); |
| mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios)); |
| err_gpio: |
| printk(KERN_ERR "Mioa701: gsm not available\n"); |
| return rc; |
| } |
| |
| static void gsm_exit(void) |
| { |
| free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL); |
| mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios)); |
| } |
| |
| /* |
| * Bluetooth BRF6150 chip |
| * |
| * BT handling was purged from kernel. For history, this is the way to go : |
| * - turn on : GPIO83_BT_ON = 1 |
| * - turn off : GPIO83_BT_ON = 0 |
| */ |
| |
| /* |
| * GPS Sirf Star III chip |
| * |
| * GPS handling was purged from kernel. For history, this is the way to go : |
| * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0 |
| * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0 |
| * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1 |
| * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0 |
| */ |
| |
| /* |
| * USB UDC |
| */ |
| static int is_usb_connected(void) |
| { |
| return !gpio_get_value(GPIO13_nUSB_DETECT); |
| } |
| |
| static struct pxa2xx_udc_mach_info mioa701_udc_info = { |
| .udc_is_connected = is_usb_connected, |
| .gpio_pullup = GPIO22_USB_ENABLE, |
| }; |
| |
| struct gpio_vbus_mach_info gpio_vbus_data = { |
| .gpio_vbus = GPIO13_nUSB_DETECT, |
| .gpio_vbus_inverted = 1, |
| .gpio_pullup = -1, |
| }; |
| |
| /* |
| * SDIO/MMC Card controller |
| */ |
| /** |
| * The card detect interrupt isn't debounced so we delay it by 250ms |
| * to give the card a chance to fully insert/eject. |
| */ |
| static struct pxamci_platform_data mioa701_mci_info = { |
| .detect_delay_ms = 250, |
| .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
| .gpio_card_detect = GPIO15_SDIO_INSERT, |
| .gpio_card_ro = GPIO78_SDIO_RO, |
| .gpio_power = GPIO91_SDIO_EN, |
| }; |
| |
| /* FlashRAM */ |
| static struct resource strataflash_resource = { |
| .start = PXA_CS0_PHYS, |
| .end = PXA_CS0_PHYS + SZ_64M - 1, |
| .flags = IORESOURCE_MEM, |
| }; |
| |
| static struct physmap_flash_data strataflash_data = { |
| .width = 2, |
| /* .set_vpp = mioa701_set_vpp, */ |
| }; |
| |
| static struct platform_device strataflash = { |
| .name = "physmap-flash", |
| .id = -1, |
| .resource = &strataflash_resource, |
| .num_resources = 1, |
| .dev = { |
| .platform_data = &strataflash_data, |
| }, |
| }; |
| |
| /* |
| * Suspend/Resume bootstrap management |
| * |
| * MIO A701 reboot sequence is highly ROM dependant. From the one dissassembled, |
| * this sequence is as follows : |
| * - disables interrupts |
| * - initialize SDRAM (self refresh RAM into active RAM) |
| * - initialize GPIOs (depends on value at 0xa020b020) |
| * - initialize coprossessors |
| * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start |
| * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start |
| * - else do a resume, ie. jump to addr 0xa0100000 |
| */ |
| #define RESUME_ENABLE_ADDR 0xa020b000 |
| #define RESUME_ENABLE_VAL 0x0f0f0f0f |
| #define RESUME_BT_ADDR 0xa020b020 |
| #define RESUME_UNKNOWN_ADDR 0xa020b024 |
| #define RESUME_VECTOR_ADDR 0xa0100000 |
| #define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4 |
| |
| static u32 *save_buffer; |
| |
| static void install_bootstrap(void) |
| { |
| int i; |
| u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR); |
| u32 *src = &mioa701_bootstrap; |
| |
| for (i = 0; i < BOOTSTRAP_WORDS; i++) |
| rom_bootstrap[i] = src[i]; |
| } |
| |
| |
| static int mioa701_sys_suspend(struct sys_device *sysdev, pm_message_t state) |
| { |
| int i = 0, is_bt_on; |
| u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR); |
| u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR); |
| u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR); |
| u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR); |
| |
| /* Devices prepare suspend */ |
| is_bt_on = !!gpio_get_value(GPIO83_BT_ON); |
| pxa2xx_mfp_set_lpm(GPIO83_BT_ON, |
| is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW); |
| |
| for (i = 0; i < BOOTSTRAP_WORDS; i++) |
| save_buffer[i] = mem_resume_vector[i]; |
| save_buffer[i++] = *mem_resume_enabler; |
| save_buffer[i++] = *mem_resume_bt; |
| save_buffer[i++] = *mem_resume_unknown; |
| |
| *mem_resume_enabler = RESUME_ENABLE_VAL; |
| *mem_resume_bt = is_bt_on; |
| |
| install_bootstrap(); |
| return 0; |
| } |
| |
| static int mioa701_sys_resume(struct sys_device *sysdev) |
| { |
| int i = 0; |
| u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR); |
| u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR); |
| u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR); |
| u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR); |
| |
| for (i = 0; i < BOOTSTRAP_WORDS; i++) |
| mem_resume_vector[i] = save_buffer[i]; |
| *mem_resume_enabler = save_buffer[i++]; |
| *mem_resume_bt = save_buffer[i++]; |
| *mem_resume_unknown = save_buffer[i++]; |
| |
| return 0; |
| } |
| |
| static struct sysdev_class mioa701_sysclass = { |
| .name = "mioa701", |
| }; |
| |
| static struct sys_device sysdev_bootstrap = { |
| .cls = &mioa701_sysclass, |
| }; |
| |
| static struct sysdev_driver driver_bootstrap = { |
| .suspend = &mioa701_sys_suspend, |
| .resume = &mioa701_sys_resume, |
| }; |
| |
| static int __init bootstrap_init(void) |
| { |
| int rc; |
| int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3); |
| |
| rc = sysdev_class_register(&mioa701_sysclass); |
| if (rc) { |
| printk(KERN_ERR "Failed registering mioa701 sys class\n"); |
| return -ENODEV; |
| } |
| rc = sysdev_register(&sysdev_bootstrap); |
| if (rc) { |
| printk(KERN_ERR "Failed registering mioa701 sys device\n"); |
| return -ENODEV; |
| } |
| rc = sysdev_driver_register(&mioa701_sysclass, &driver_bootstrap); |
| if (rc) { |
| printk(KERN_ERR "Failed registering PMU sys driver\n"); |
| return -ENODEV; |
| } |
| |
| save_buffer = kmalloc(save_size, GFP_KERNEL); |
| if (!save_buffer) |
| return -ENOMEM; |
| printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n", |
| save_size); |
| return 0; |
| } |
| |
| static void bootstrap_exit(void) |
| { |
| kfree(save_buffer); |
| sysdev_driver_unregister(&mioa701_sysclass, &driver_bootstrap); |
| sysdev_unregister(&sysdev_bootstrap); |
| sysdev_class_unregister(&mioa701_sysclass); |
| |
| printk(KERN_CRIT "Unregistering mioa701 suspend will hang next" |
| "resume !!!\n"); |
| } |
| |
| /* |
| * Power Supply |
| */ |
| static char *supplicants[] = { |
| "mioa701_battery" |
| }; |
| |
| static int is_ac_connected(void) |
| { |
| return gpio_get_value(GPIO96_AC_DETECT); |
| } |
| |
| static void mioa701_set_charge(int flags) |
| { |
| gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB)); |
| } |
| |
| static struct pda_power_pdata power_pdata = { |
| .is_ac_online = is_ac_connected, |
| .is_usb_online = is_usb_connected, |
| .set_charge = mioa701_set_charge, |
| .supplied_to = supplicants, |
| .num_supplicants = ARRAY_SIZE(supplicants), |
| }; |
| |
| static struct resource power_resources[] = { |
| [0] = { |
| .name = "ac", |
| .start = gpio_to_irq(GPIO96_AC_DETECT), |
| .end = gpio_to_irq(GPIO96_AC_DETECT), |
| .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | |
| IORESOURCE_IRQ_LOWEDGE, |
| }, |
| [1] = { |
| .name = "usb", |
| .start = gpio_to_irq(GPIO13_nUSB_DETECT), |
| .end = gpio_to_irq(GPIO13_nUSB_DETECT), |
| .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | |
| IORESOURCE_IRQ_LOWEDGE, |
| }, |
| }; |
| |
| static struct platform_device power_dev = { |
| .name = "pda-power", |
| .id = -1, |
| .resource = power_resources, |
| .num_resources = ARRAY_SIZE(power_resources), |
| .dev = { |
| .platform_data = &power_pdata, |
| }, |
| }; |
| |
| static struct wm97xx_batt_pdata mioa701_battery_data = { |
| .batt_aux = WM97XX_AUX_ID1, |
| .temp_aux = -1, |
| .charge_gpio = -1, |
| .min_voltage = 0xc00, |
| .max_voltage = 0xfc0, |
| .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION, |
| .batt_div = 1, |
| .batt_mult = 1, |
| .batt_name = "mioa701_battery", |
| }; |
| |
| static struct wm97xx_pdata mioa701_wm97xx_pdata = { |
| .batt_pdata = &mioa701_battery_data, |
| }; |
| |
| /* |
| * Voltage regulation |
| */ |
| static struct regulator_consumer_supply max1586_consumers[] = { |
| { |
| .supply = "vcc_core", |
| } |
| }; |
| |
| static struct regulator_init_data max1586_v3_info = { |
| .constraints = { |
| .name = "vcc_core range", |
| .min_uV = 1000000, |
| .max_uV = 1705000, |
| .always_on = 1, |
| .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, |
| }, |
| .num_consumer_supplies = ARRAY_SIZE(max1586_consumers), |
| .consumer_supplies = max1586_consumers, |
| }; |
| |
| static struct max1586_subdev_data max1586_subdevs[] = { |
| { .name = "vcc_core", .id = MAX1586_V3, |
| .platform_data = &max1586_v3_info }, |
| }; |
| |
| static struct max1586_platform_data max1586_info = { |
| .subdevs = max1586_subdevs, |
| .num_subdevs = ARRAY_SIZE(max1586_subdevs), |
| .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */ |
| }; |
| |
| /* |
| * Camera interface |
| */ |
| struct pxacamera_platform_data mioa701_pxacamera_platform_data = { |
| .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 | |
| PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN, |
| .mclk_10khz = 5000, |
| }; |
| |
| static struct i2c_board_info __initdata mioa701_pi2c_devices[] = { |
| { |
| I2C_BOARD_INFO("max1586", 0x14), |
| .platform_data = &max1586_info, |
| }, |
| }; |
| |
| /* Board I2C devices. */ |
| static struct i2c_board_info mioa701_i2c_devices[] = { |
| { |
| I2C_BOARD_INFO("mt9m111", 0x5d), |
| }, |
| }; |
| |
| static struct soc_camera_link iclink = { |
| .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */ |
| .board_info = &mioa701_i2c_devices[0], |
| .i2c_adapter_id = 0, |
| }; |
| |
| struct i2c_pxa_platform_data i2c_pdata = { |
| .fast_mode = 1, |
| }; |
| |
| static pxa2xx_audio_ops_t mioa701_ac97_info = { |
| .reset_gpio = 95, |
| .codec_pdata = { &mioa701_wm97xx_pdata, }, |
| }; |
| |
| /* |
| * Mio global |
| */ |
| |
| /* Devices */ |
| #define MIO_PARENT_DEV(var, strname, tparent, pdata) \ |
| static struct platform_device var = { \ |
| .name = strname, \ |
| .id = -1, \ |
| .dev = { \ |
| .platform_data = pdata, \ |
| .parent = tparent, \ |
| }, \ |
| }; |
| #define MIO_SIMPLE_DEV(var, strname, pdata) \ |
| MIO_PARENT_DEV(var, strname, NULL, pdata) |
| |
| MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data) |
| MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev, |
| &mioa701_backlight_data); |
| MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info) |
| MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL) |
| MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL) |
| MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL) |
| MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data); |
| MIO_SIMPLE_DEV(mioa701_camera, "soc-camera-pdrv",&iclink); |
| |
| static struct platform_device *devices[] __initdata = { |
| &mioa701_gpio_keys, |
| &mioa701_backlight, |
| &mioa701_led, |
| &pxa2xx_pcm, |
| &mioa701_sound, |
| &power_dev, |
| &strataflash, |
| &gpio_vbus, |
| &mioa701_camera, |
| &mioa701_board, |
| }; |
| |
| static void mioa701_machine_exit(void); |
| |
| static void mioa701_poweroff(void) |
| { |
| mioa701_machine_exit(); |
| arm_machine_restart('s', NULL); |
| } |
| |
| static void mioa701_restart(char c, const char *cmd) |
| { |
| mioa701_machine_exit(); |
| arm_machine_restart('s', cmd); |
| } |
| |
| static struct gpio_ress global_gpios[] = { |
| MIO_GPIO_OUT(GPIO9_CHARGE_EN, 1, "Charger enable"), |
| MIO_GPIO_OUT(GPIO18_POWEROFF, 0, "Power Off"), |
| MIO_GPIO_OUT(GPIO87_LCD_POWER, 0, "LCD Power"), |
| }; |
| |
| static void __init mioa701_machine_init(void) |
| { |
| PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */ |
| PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE; |
| RTTR = 32768 - 1; /* Reset crazy WinCE value */ |
| UP2OCR = UP2OCR_HXOE; |
| |
| pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config)); |
| pxa_set_ffuart_info(NULL); |
| pxa_set_btuart_info(NULL); |
| pxa_set_stuart_info(NULL); |
| mio_gpio_request(ARRAY_AND_SIZE(global_gpios)); |
| bootstrap_init(); |
| set_pxa_fb_info(&mioa701_pxafb_info); |
| pxa_set_mci_info(&mioa701_mci_info); |
| pxa_set_keypad_info(&mioa701_keypad_info); |
| pxa_set_udc_info(&mioa701_udc_info); |
| pxa_set_ac97_info(&mioa701_ac97_info); |
| pm_power_off = mioa701_poweroff; |
| arm_pm_restart = mioa701_restart; |
| platform_add_devices(devices, ARRAY_SIZE(devices)); |
| gsm_init(); |
| |
| i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices)); |
| pxa_set_i2c_info(&i2c_pdata); |
| pxa27x_set_i2c_power_info(NULL); |
| pxa_set_camera_info(&mioa701_pxacamera_platform_data); |
| } |
| |
| static void mioa701_machine_exit(void) |
| { |
| bootstrap_exit(); |
| gsm_exit(); |
| } |
| |
| MACHINE_START(MIOA701, "MIO A701") |
| .boot_params = 0xa0000100, |
| .map_io = &pxa27x_map_io, |
| .init_irq = &pxa27x_init_irq, |
| .init_machine = mioa701_machine_init, |
| .timer = &pxa_timer, |
| MACHINE_END |