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palmt5.c

/*
 * Hardware definitions for Palm Tungsten|T5
 *
 * Author:  Marek Vasut <marek.vasut@gmail.com>
 *
 * Based on work of:
 *          Ales Snuparek <snuparek@atlas.cz>
 *          Justin Kendrick <twilightsentry@gmail.com>
 *          RichardT5 <richard_t5@users.sourceforge.net>
 *
 * 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 <mach/mmc.h>
#include <mach/pxafb.h>
#include <mach/irda.h>
#include <plat/pxa27x_keypad.h>
#include <mach/udc.h>
#include <mach/palmasoc.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")
      .boot_params      = 0xa0000100,
      .map_io           = pxa27x_map_io,
      .reserve    = palmt5_reserve,
      .init_irq   = pxa27x_init_irq,
      .timer            = &pxa_timer,
      .init_machine     = palmt5_init
MACHINE_END

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