palmt5.c

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/*
 * Hardware definitions for Palm Tungsten|T5
 *
 * Author:  Marek Vasut <[email protected]>
 *
 * Based on work of:
 *      Ales Snuparek <[email protected]>
 *      Justin Kendrick <[email protected]>
 *      RichardT5 <[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/wm97xx.h>
#include <linux/power_supply.h>
#include <linux/usb/gpio_vbus.h>

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

#include <mach/pxa27x.h>
#include <mach/audio.h>
#include <mach/palmt5.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/asoc-palm27x.h>
#include <mach/palm27x.h>

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

/******************************************************************************
 * Pin configuration
 ******************************************************************************/
static unsigned long palmt5_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,
    GPIO14_GPIO,    /* SD detect */
    GPIO114_GPIO,   /* SD power */
    GPIO115_GPIO,   /* SD r/o switch */

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

    /* IrDA */
    GPIO40_GPIO,    /* ir disable */
    GPIO46_FICP_RXD,
    GPIO47_FICP_TXD,

    /* USB */
    GPIO15_GPIO,    /* usb detect */
    GPIO93_GPIO,    /* usb power */

    /* MATRIX KEYPAD */
    GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
    GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
    GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
    GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
    GPIO103_KP_MKOUT_0,
    GPIO104_KP_MKOUT_1,
    GPIO105_KP_MKOUT_2,

    /* LCD */
    GPIOxx_LCD_TFT_16BPP,

    /* PWM */
    GPIO16_PWM0_OUT,

    /* FFUART */
    GPIO34_FFUART_RXD,
    GPIO39_FFUART_TXD,

    /* MISC */
    GPIO10_GPIO,    /* hotsync button */
    GPIO90_GPIO,    /* power detect */
    GPIO107_GPIO,   /* earphone detect */
};

/******************************************************************************
 * GPIO keyboard
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
static unsigned int palmt5_matrix_keys[] = {
    KEY(0, 0, KEY_POWER),
    KEY(0, 1, KEY_F1),
    KEY(0, 2, KEY_ENTER),

    KEY(1, 0, KEY_F2),
    KEY(1, 1, KEY_F3),
    KEY(1, 2, KEY_F4),

    KEY(2, 0, KEY_UP),
    KEY(2, 2, KEY_DOWN),

    KEY(3, 0, KEY_RIGHT),
    KEY(3, 2, KEY_LEFT),
};

static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data = {
    .matrix_key_rows    = 4,
    .matrix_key_cols    = 3,
    .matrix_key_map     = palmt5_matrix_keys,
    .matrix_key_map_size    = ARRAY_SIZE(palmt5_matrix_keys),

    .debounce_interval  = 30,
};

static void __init palmt5_kpc_init(void)
{
    pxa_set_keypad_info(&palmt5_keypad_platform_data);
}
#else
static inline void palmt5_kpc_init(void) {}
#endif

/******************************************************************************
 * GPIO keys
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
static struct gpio_keys_button palmt5_pxa_buttons[] = {
    {KEY_F8, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
};

static struct gpio_keys_platform_data palmt5_pxa_keys_data = {
    .buttons    = palmt5_pxa_buttons,
    .nbuttons   = ARRAY_SIZE(palmt5_pxa_buttons),
};

static struct platform_device palmt5_pxa_keys = {
    .name   = "gpio-keys",
    .id = -1,
    .dev    = {
        .platform_data = &palmt5_pxa_keys_data,
    },
};

static void __init palmt5_keys_init(void)
{
    platform_device_register(&palmt5_pxa_keys);
}
#else
static inline void palmt5_keys_init(void) {}
#endif

/******************************************************************************
 * Machine init
 ******************************************************************************/
static void __init palmt5_reserve(void)
{
    memblock_reserve(0xa0200000, 0x1000);
}

static void __init palmt5_init(void)
{
    pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config));
    pxa_set_ffuart_info(NULL);
    pxa_set_btuart_info(NULL);
    pxa_set_stuart_info(NULL);

    palm27x_mmc_init(GPIO_NR_PALMT5_SD_DETECT_N, GPIO_NR_PALMT5_SD_READONLY,
            GPIO_NR_PALMT5_SD_POWER, 0);
    palm27x_pm_init(PALMT5_STR_BASE);
    palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
    palm27x_udc_init(GPIO_NR_PALMT5_USB_DETECT_N,
            GPIO_NR_PALMT5_USB_PULLUP, 1);
    palm27x_irda_init(GPIO_NR_PALMT5_IR_DISABLE);
    palm27x_ac97_init(PALMT5_BAT_MIN_VOLTAGE, PALMT5_BAT_MAX_VOLTAGE,
            GPIO_NR_PALMT5_EARPHONE_DETECT, 95);
    palm27x_pwm_init(GPIO_NR_PALMT5_BL_POWER, GPIO_NR_PALMT5_LCD_POWER);
    palm27x_power_init(GPIO_NR_PALMT5_POWER_DETECT, -1);
    palm27x_pmic_init();
    palmt5_kpc_init();
    palmt5_keys_init();
}

MACHINE_START(PALMT5, "Palm Tungsten|T5")
    .atag_offset    = 0x100,
    .map_io     = pxa27x_map_io,
    .reserve    = palmt5_reserve,
    .nr_irqs    = PXA_NR_IRQS,
    .init_irq   = pxa27x_init_irq,
    .handle_irq = pxa27x_handle_irq,
    .timer      = &pxa_timer,
    .init_machine   = palmt5_init,
    .restart    = pxa_restart,
MACHINE_END