palmtreo.c

Go to the documentation of this file.

/*
 * Hardware definitions for Palm Treo smartphones
 *
 * currently supported:
 *     Palm Treo 680 (GSM)
 *     Palm Centro 685 (GSM)
 *
 * Author:     Tomas Cech <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * (find more info at www.hackndev.com)
 *
 */

#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/memblock.h>
#include <linux/pda_power.h>
#include <linux/pwm_backlight.h>
#include <linux/gpio.h>
#include <linux/power_supply.h>
#include <linux/w1-gpio.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include <mach/pxa27x.h>
#include <mach/pxa27x-udc.h>
#include <mach/audio.h>
#include <mach/palmtreo.h>
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/platform_data/video-pxafb.h>
#include <linux/platform_data/irda-pxaficp.h>
#include <linux/platform_data/keypad-pxa27x.h>
#include <mach/udc.h>
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include <mach/pxa2xx-regs.h>
#include <linux/platform_data/asoc-palm27x.h>
#include <linux/platform_data/camera-pxa.h>
#include <mach/palm27x.h>

#include <sound/pxa2xx-lib.h>

#include "generic.h"
#include "devices.h"

/******************************************************************************
 * Pin configuration
 ******************************************************************************/
static unsigned long treo_pin_config[] __initdata = {
    /* MMC */
    GPIO32_MMC_CLK,
    GPIO92_MMC_DAT_0,
    GPIO109_MMC_DAT_1,
    GPIO110_MMC_DAT_2,
    GPIO111_MMC_DAT_3,
    GPIO112_MMC_CMD,
    GPIO113_GPIO,               /* SD detect */

    /* AC97 */
    GPIO28_AC97_BITCLK,
    GPIO29_AC97_SDATA_IN_0,
    GPIO30_AC97_SDATA_OUT,
    GPIO31_AC97_SYNC,
    GPIO89_AC97_SYSCLK,
    GPIO95_AC97_nRESET,

    /* IrDA */
    GPIO46_FICP_RXD,
    GPIO47_FICP_TXD,

    /* PWM */
    GPIO16_PWM0_OUT,

    /* USB */
    GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,   /* usb detect */

    /* MATRIX KEYPAD */
    GPIO101_KP_MKIN_1,
    GPIO102_KP_MKIN_2,
    GPIO97_KP_MKIN_3,
    GPIO98_KP_MKIN_4,
    GPIO91_KP_MKIN_6,
    GPIO13_KP_MKIN_7,
    GPIO103_KP_MKOUT_0 | MFP_LPM_DRIVE_HIGH,
    GPIO104_KP_MKOUT_1,
    GPIO105_KP_MKOUT_2,
    GPIO106_KP_MKOUT_3,
    GPIO107_KP_MKOUT_4,
    GPIO108_KP_MKOUT_5,
    GPIO96_KP_MKOUT_6,
    GPIO93_KP_DKIN_0 | WAKEUP_ON_LEVEL_HIGH,    /* Hotsync button */

    /* LCD */
    GPIOxx_LCD_TFT_16BPP,

    /* Quick Capture Interface */
    GPIO84_CIF_FV,
    GPIO85_CIF_LV,
    GPIO53_CIF_MCLK,
    GPIO54_CIF_PCLK,
    GPIO81_CIF_DD_0,
    GPIO55_CIF_DD_1,
    GPIO51_CIF_DD_2,
    GPIO50_CIF_DD_3,
    GPIO52_CIF_DD_4,
    GPIO48_CIF_DD_5,
    GPIO17_CIF_DD_6,
    GPIO12_CIF_DD_7,

    /* I2C */
    GPIO117_I2C_SCL,
    GPIO118_I2C_SDA,

    /* GSM */
    GPIO14_GPIO | WAKEUP_ON_EDGE_BOTH,  /* GSM host wake up */
    GPIO34_FFUART_RXD,
    GPIO35_FFUART_CTS,
    GPIO39_FFUART_TXD,
    GPIO41_FFUART_RTS,

    /* MISC. */
    GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,   /* external power detect */
    GPIO15_GPIO | WAKEUP_ON_EDGE_BOTH,  /* silent switch */
    GPIO116_GPIO,               /* headphone detect */
    GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH,  /* bluetooth host wake up */
};

#ifdef CONFIG_MACH_TREO680
static unsigned long treo680_pin_config[] __initdata = {
    GPIO33_GPIO,    /* SD read only */

    /* MATRIX KEYPAD - different wake up source */
    GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
    GPIO99_KP_MKIN_5,
};
#endif /* CONFIG_MACH_TREO680 */

#ifdef CONFIG_MACH_CENTRO
static unsigned long centro685_pin_config[] __initdata = {
    /* Bluetooth attached to BT UART*/
    MFP_CFG_OUT(GPIO80, AF0, DRIVE_LOW),    /* power: LOW = off */
    GPIO42_BTUART_RXD,
    GPIO43_BTUART_TXD,
    GPIO44_BTUART_CTS,
    GPIO45_BTUART_RTS,

    /* MATRIX KEYPAD - different wake up source */
    GPIO100_KP_MKIN_0,
    GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH,
};
#endif /* CONFIG_MACH_CENTRO */

/******************************************************************************
 * GPIO keyboard
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
static unsigned int treo680_matrix_keys[] = {
    KEY(0, 0, KEY_F8),      /* Red/Off/Power */
    KEY(0, 1, KEY_LEFT),
    KEY(0, 2, KEY_LEFTCTRL),    /* Alternate */
    KEY(0, 3, KEY_L),
    KEY(0, 4, KEY_A),
    KEY(0, 5, KEY_Q),
    KEY(0, 6, KEY_P),

    KEY(1, 0, KEY_RIGHTCTRL),   /* Menu */
    KEY(1, 1, KEY_RIGHT),
    KEY(1, 2, KEY_LEFTSHIFT),   /* Left shift */
    KEY(1, 3, KEY_Z),
    KEY(1, 4, KEY_S),
    KEY(1, 5, KEY_W),

    KEY(2, 0, KEY_F1),      /* Phone */
    KEY(2, 1, KEY_UP),
    KEY(2, 2, KEY_0),
    KEY(2, 3, KEY_X),
    KEY(2, 4, KEY_D),
    KEY(2, 5, KEY_E),

    KEY(3, 0, KEY_F10),     /* Calendar */
    KEY(3, 1, KEY_DOWN),
    KEY(3, 2, KEY_SPACE),
    KEY(3, 3, KEY_C),
    KEY(3, 4, KEY_F),
    KEY(3, 5, KEY_R),

    KEY(4, 0, KEY_F12),     /* Mail */
    KEY(4, 1, KEY_KPENTER),
    KEY(4, 2, KEY_RIGHTALT),    /* Alt */
    KEY(4, 3, KEY_V),
    KEY(4, 4, KEY_G),
    KEY(4, 5, KEY_T),

    KEY(5, 0, KEY_F9),      /* Home */
    KEY(5, 1, KEY_PAGEUP),      /* Side up */
    KEY(5, 2, KEY_DOT),
    KEY(5, 3, KEY_B),
    KEY(5, 4, KEY_H),
    KEY(5, 5, KEY_Y),

    KEY(6, 0, KEY_TAB),     /* Side Activate */
    KEY(6, 1, KEY_PAGEDOWN),    /* Side down */
    KEY(6, 2, KEY_ENTER),
    KEY(6, 3, KEY_N),
    KEY(6, 4, KEY_J),
    KEY(6, 5, KEY_U),

    KEY(7, 0, KEY_F6),      /* Green/Call */
    KEY(7, 1, KEY_O),
    KEY(7, 2, KEY_BACKSPACE),
    KEY(7, 3, KEY_M),
    KEY(7, 4, KEY_K),
    KEY(7, 5, KEY_I),
};

static unsigned int centro_matrix_keys[] = {
    KEY(0, 0, KEY_F9),      /* Home */
    KEY(0, 1, KEY_LEFT),
    KEY(0, 2, KEY_LEFTCTRL),    /* Alternate */
    KEY(0, 3, KEY_L),
    KEY(0, 4, KEY_A),
    KEY(0, 5, KEY_Q),
    KEY(0, 6, KEY_P),

    KEY(1, 0, KEY_RIGHTCTRL),   /* Menu */
    KEY(1, 1, KEY_RIGHT),
    KEY(1, 2, KEY_LEFTSHIFT),   /* Left shift */
    KEY(1, 3, KEY_Z),
    KEY(1, 4, KEY_S),
    KEY(1, 5, KEY_W),

    KEY(2, 0, KEY_F1),      /* Phone */
    KEY(2, 1, KEY_UP),
    KEY(2, 2, KEY_0),
    KEY(2, 3, KEY_X),
    KEY(2, 4, KEY_D),
    KEY(2, 5, KEY_E),

    KEY(3, 0, KEY_F10),     /* Calendar */
    KEY(3, 1, KEY_DOWN),
    KEY(3, 2, KEY_SPACE),
    KEY(3, 3, KEY_C),
    KEY(3, 4, KEY_F),
    KEY(3, 5, KEY_R),

    KEY(4, 0, KEY_F12),     /* Mail */
    KEY(4, 1, KEY_KPENTER),
    KEY(4, 2, KEY_RIGHTALT),    /* Alt */
    KEY(4, 3, KEY_V),
    KEY(4, 4, KEY_G),
    KEY(4, 5, KEY_T),

    KEY(5, 0, KEY_F8),      /* Red/Off/Power */
    KEY(5, 1, KEY_PAGEUP),      /* Side up */
    KEY(5, 2, KEY_DOT),
    KEY(5, 3, KEY_B),
    KEY(5, 4, KEY_H),
    KEY(5, 5, KEY_Y),

    KEY(6, 0, KEY_TAB),     /* Side Activate */
    KEY(6, 1, KEY_PAGEDOWN),    /* Side down */
    KEY(6, 2, KEY_ENTER),
    KEY(6, 3, KEY_N),
    KEY(6, 4, KEY_J),
    KEY(6, 5, KEY_U),

    KEY(7, 0, KEY_F6),      /* Green/Call */
    KEY(7, 1, KEY_O),
    KEY(7, 2, KEY_BACKSPACE),
    KEY(7, 3, KEY_M),
    KEY(7, 4, KEY_K),
    KEY(7, 5, KEY_I),
};

static struct pxa27x_keypad_platform_data treo680_keypad_pdata = {
    .matrix_key_rows    = 8,
    .matrix_key_cols    = 7,
    .matrix_key_map     = treo680_matrix_keys,
    .matrix_key_map_size    = ARRAY_SIZE(treo680_matrix_keys),
    .direct_key_map     = { KEY_CONNECT },
    .direct_key_num     = 1,

    .debounce_interval  = 30,
};

static void __init palmtreo_kpc_init(void)
{
    static struct pxa27x_keypad_platform_data *data = &treo680_keypad_pdata;

    if (machine_is_centro()) {
        data->matrix_key_map = centro_matrix_keys;
        data->matrix_key_map_size = ARRAY_SIZE(centro_matrix_keys);
    }

    pxa_set_keypad_info(&treo680_keypad_pdata);
}
#else
static inline void palmtreo_kpc_init(void) {}
#endif

/******************************************************************************
 * USB host
 ******************************************************************************/
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static struct pxaohci_platform_data treo680_ohci_info = {
    .port_mode    = PMM_PERPORT_MODE,
    .flags        = ENABLE_PORT1 | ENABLE_PORT3,
    .power_budget = 0,
};

static void __init palmtreo_uhc_init(void)
{
    if (machine_is_treo680())
        pxa_set_ohci_info(&treo680_ohci_info);
}
#else
static inline void palmtreo_uhc_init(void) {}
#endif

/******************************************************************************
 * Vibra and LEDs
 ******************************************************************************/
#ifdef CONFIG_MACH_TREO680
static struct gpio_led treo680_gpio_leds[] = {
    {
        .name           = "treo680:vibra:vibra",
        .default_trigger    = "none",
        .gpio           = GPIO_NR_TREO680_VIBRATE_EN,
    },
    {
        .name           = "treo680:green:led",
        .default_trigger    = "mmc0",
        .gpio           = GPIO_NR_TREO_GREEN_LED,
    },
    {
        .name           = "treo680:white:keybbl",
        .default_trigger    = "none",
        .gpio           = GPIO_NR_TREO680_KEYB_BL,
    },
};

static struct gpio_led_platform_data treo680_gpio_led_info = {
    .leds       = treo680_gpio_leds,
    .num_leds   = ARRAY_SIZE(treo680_gpio_leds),
};

static struct gpio_led centro_gpio_leds[] = {
    {
        .name           = "centro:vibra:vibra",
        .default_trigger    = "none",
        .gpio           = GPIO_NR_CENTRO_VIBRATE_EN,
    },
    {
        .name           = "centro:green:led",
        .default_trigger    = "mmc0",
        .gpio           = GPIO_NR_TREO_GREEN_LED,
    },
    {
        .name           = "centro:white:keybbl",
        .default_trigger    = "none",
        .active_low     = 1,
        .gpio           = GPIO_NR_CENTRO_KEYB_BL,
    },
};

static struct gpio_led_platform_data centro_gpio_led_info = {
    .leds       = centro_gpio_leds,
    .num_leds   = ARRAY_SIZE(centro_gpio_leds),
};

static struct platform_device palmtreo_leds = {
    .name   = "leds-gpio",
    .id     = -1,
    .dev    = {
        .platform_data  = &treo680_gpio_led_info,
    }
};

static void __init palmtreo_leds_init(void)
{
    if (machine_is_centro())
        palmtreo_leds.dev.platform_data = &centro_gpio_led_info;

    platform_device_register(&palmtreo_leds);
}
#else
static inline void palmtreo_leds_init(void) {}
#endif

/******************************************************************************
 * Machine init
 ******************************************************************************/
static void __init treo_reserve(void)
{
    memblock_reserve(0xa0000000, 0x1000);
    memblock_reserve(0xa2000000, 0x1000);
}

static void __init palmphone_common_init(void)
{
    pxa2xx_mfp_config(ARRAY_AND_SIZE(treo_pin_config));
    pxa_set_ffuart_info(NULL);
    pxa_set_btuart_info(NULL);
    pxa_set_stuart_info(NULL);
    palm27x_pm_init(TREO_STR_BASE);
    palm27x_lcd_init(GPIO_NR_TREO_BL_POWER, &palm_320x320_new_lcd_mode);
    palm27x_udc_init(GPIO_NR_TREO_USB_DETECT, GPIO_NR_TREO_USB_PULLUP, 1);
    palm27x_irda_init(GPIO_NR_TREO_IR_EN);
    palm27x_ac97_init(-1, -1, -1, 95);
    palm27x_pwm_init(GPIO_NR_TREO_BL_POWER, -1);
    palm27x_power_init(GPIO_NR_TREO_POWER_DETECT, -1);
    palm27x_pmic_init();
    palmtreo_kpc_init();
    palmtreo_uhc_init();
    palmtreo_leds_init();
}

#ifdef CONFIG_MACH_TREO680
static void __init treo680_init(void)
{
    pxa2xx_mfp_config(ARRAY_AND_SIZE(treo680_pin_config));
    palmphone_common_init();
    palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, GPIO_NR_TREO680_SD_READONLY,
            GPIO_NR_TREO680_SD_POWER, 0);
}
#endif

#ifdef CONFIG_MACH_CENTRO
static void __init centro_init(void)
{
    pxa2xx_mfp_config(ARRAY_AND_SIZE(centro685_pin_config));
    palmphone_common_init();
    palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, -1,
            GPIO_NR_CENTRO_SD_POWER, 1);
}
#endif

#ifdef CONFIG_MACH_TREO680
MACHINE_START(TREO680, "Palm Treo 680")
    .atag_offset    = 0x100,
    .map_io         = pxa27x_map_io,
    .reserve    = treo_reserve,
    .nr_irqs    = PXA_NR_IRQS,
    .init_irq       = pxa27x_init_irq,
    .handle_irq       = pxa27x_handle_irq,
    .timer          = &pxa_timer,
    .init_machine   = treo680_init,
    .restart    = pxa_restart,
MACHINE_END
#endif

#ifdef CONFIG_MACH_CENTRO
MACHINE_START(CENTRO, "Palm Centro 685")
    .atag_offset    = 0x100,
    .map_io         = pxa27x_map_io,
    .reserve    = treo_reserve,
    .nr_irqs    = PXA_NR_IRQS,
    .init_irq       = pxa27x_init_irq,
    .handle_irq       = pxa27x_handle_irq,
    .timer          = &pxa_timer,
    .init_machine   = centro_init,
    .restart    = pxa_restart,
MACHINE_END
#endif