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palmld.c

/*
 * Hardware definitions for Palm LifeDrive
 *
 * Author:     Marek Vasut <marek.vasut@gmail.com>
 *
 * Based on work of:
 *          Alex Osborne <ato@meshy.org>
 *
 * 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/pda_power.h>
#include <linux/pwm_backlight.h>
#include <linux/gpio.h>
#include <linux/wm97xx.h>
#include <linux/power_supply.h>
#include <linux/sysdev.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.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/palmld.h>
#include <mach/mmc.h>
#include <mach/pxafb.h>
#include <mach/irda.h>
#include <plat/pxa27x_keypad.h>
#include <mach/palmasoc.h>
#include <mach/palm27x.h>

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

/******************************************************************************
 * Pin configuration
 ******************************************************************************/
static unsigned long palmld_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 */
      GPIO116_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 */
      GPIO108_GPIO,     /* ir disable */
      GPIO46_FICP_RXD,
      GPIO47_FICP_TXD,

      /* 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,

      /* GPIO KEYS */
      GPIO10_GPIO,      /* hotsync button */
      GPIO12_GPIO,      /* power switch */
      GPIO15_GPIO,      /* lock switch */

      /* LEDs */
      GPIO52_GPIO,      /* green led */
      GPIO94_GPIO,      /* orange led */

      /* PCMCIA */
      GPIO48_nPOE,
      GPIO49_nPWE,
      GPIO50_nPIOR,
      GPIO51_nPIOW,
      GPIO85_nPCE_1,
      GPIO54_nPCE_2,
      GPIO79_PSKTSEL,
      GPIO55_nPREG,
      GPIO56_nPWAIT,
      GPIO57_nIOIS16,
      GPIO36_GPIO,      /* wifi power */
      GPIO38_GPIO,      /* wifi ready */
      GPIO81_GPIO,      /* wifi reset */

      /* FFUART */
      GPIO34_FFUART_RXD,
      GPIO39_FFUART_TXD,

      /* HDD */
      GPIO98_GPIO,      /* HDD reset */
      GPIO115_GPIO,     /* HDD power */

      /* MISC */
      GPIO13_GPIO,      /* earphone detect */
};

/******************************************************************************
 * NOR Flash
 ******************************************************************************/
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
static struct mtd_partition palmld_partitions[] = {
      {
            .name       = "Flash",
            .offset           = 0x00000000,
            .size       = MTDPART_SIZ_FULL,
            .mask_flags = 0
      }
};

static struct physmap_flash_data palmld_flash_data[] = {
      {
            .width            = 2,              /* bankwidth in bytes */
            .parts            = palmld_partitions,
            .nr_parts   = ARRAY_SIZE(palmld_partitions)
      }
};

static struct resource palmld_flash_resource = {
      .start      = PXA_CS0_PHYS,
      .end  = PXA_CS0_PHYS + SZ_4M - 1,
      .flags      = IORESOURCE_MEM,
};

static struct platform_device palmld_flash = {
      .name       = "physmap-flash",
      .id         = 0,
      .resource   = &palmld_flash_resource,
      .num_resources    = 1,
      .dev        = {
            .platform_data = palmld_flash_data,
      },
};

static void __init palmld_nor_init(void)
{
      platform_device_register(&palmld_flash);
}
#else
static inline void palmld_nor_init(void) {}
#endif

/******************************************************************************
 * GPIO keyboard
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
static unsigned int palmld_matrix_keys[] = {
      KEY(0, 1, KEY_F2),
      KEY(0, 2, KEY_UP),

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

      KEY(2, 0, KEY_F1),
      KEY(2, 1, KEY_F5),
      KEY(2, 2, KEY_DOWN),

      KEY(3, 0, KEY_F6),
      KEY(3, 1, KEY_ENTER),
      KEY(3, 2, KEY_LEFT),
};

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

      .debounce_interval      = 30,
};

static void __init palmld_kpc_init(void)
{
      pxa_set_keypad_info(&palmld_keypad_platform_data);
}
#else
static inline void palmld_kpc_init(void) {}
#endif

/******************************************************************************
 * GPIO keys
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
static struct gpio_keys_button palmld_pxa_buttons[] = {
      {KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
      {KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" },
      {KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" },
};

static struct gpio_keys_platform_data palmld_pxa_keys_data = {
      .buttons    = palmld_pxa_buttons,
      .nbuttons   = ARRAY_SIZE(palmld_pxa_buttons),
};

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

static void __init palmld_keys_init(void)
{
      platform_device_register(&palmld_pxa_keys);
}
#else
static inline void palmld_keys_init(void) {}
#endif

/******************************************************************************
 * LEDs
 ******************************************************************************/
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
struct gpio_led gpio_leds[] = {
{
      .name             = "palmld:green:led",
      .default_trigger  = "none",
      .gpio             = GPIO_NR_PALMLD_LED_GREEN,
}, {
      .name             = "palmld:amber:led",
      .default_trigger  = "none",
      .gpio             = GPIO_NR_PALMLD_LED_AMBER,
},
};

static struct gpio_led_platform_data gpio_led_info = {
      .leds       = gpio_leds,
      .num_leds   = ARRAY_SIZE(gpio_leds),
};

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

static void __init palmld_leds_init(void)
{
      platform_device_register(&palmld_leds);
}
#else
static inline void palmld_leds_init(void) {}
#endif

/******************************************************************************
 * HDD
 ******************************************************************************/
#if defined(CONFIG_PATA_PALMLD) || defined(CONFIG_PATA_PALMLD_MODULE)
static struct platform_device palmld_ide_device = {
      .name = "pata_palmld",
      .id   = -1,
};

static void __init palmld_ide_init(void)
{
      platform_device_register(&palmld_ide_device);
}
#else
static inline void palmld_ide_init(void) {}
#endif

/******************************************************************************
 * Machine init
 ******************************************************************************/
static struct map_desc palmld_io_desc[] __initdata = {
{
      .virtual    = PALMLD_IDE_VIRT,
      .pfn        = __phys_to_pfn(PALMLD_IDE_PHYS),
      .length           = PALMLD_IDE_SIZE,
      .type       = MT_DEVICE
},
{
      .virtual    = PALMLD_USB_VIRT,
      .pfn        = __phys_to_pfn(PALMLD_USB_PHYS),
      .length           = PALMLD_USB_SIZE,
      .type       = MT_DEVICE
},
};

static void __init palmld_map_io(void)
{
      pxa27x_map_io();
      iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
}

static void __init palmld_init(void)
{
      pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
      pxa_set_ffuart_info(NULL);
      pxa_set_btuart_info(NULL);
      pxa_set_stuart_info(NULL);

      palm27x_mmc_init(GPIO_NR_PALMLD_SD_DETECT_N, GPIO_NR_PALMLD_SD_READONLY,
                  GPIO_NR_PALMLD_SD_POWER, 0);
      palm27x_pm_init(PALMLD_STR_BASE);
      palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
      palm27x_irda_init(GPIO_NR_PALMLD_IR_DISABLE);
      palm27x_ac97_init(PALMLD_BAT_MIN_VOLTAGE, PALMLD_BAT_MAX_VOLTAGE,
                  GPIO_NR_PALMLD_EARPHONE_DETECT, 95);
      palm27x_pwm_init(GPIO_NR_PALMLD_BL_POWER, GPIO_NR_PALMLD_LCD_POWER);
      palm27x_power_init(GPIO_NR_PALMLD_POWER_DETECT,
                  GPIO_NR_PALMLD_USB_DETECT_N);
      palm27x_pmic_init();
      palmld_kpc_init();
      palmld_keys_init();
      palmld_nor_init();
      palmld_leds_init();
      palmld_ide_init();
}

MACHINE_START(PALMLD, "Palm LifeDrive")
      .boot_params      = 0xa0000100,
      .map_io           = palmld_map_io,
      .init_irq   = pxa27x_init_irq,
      .timer            = &pxa_timer,
      .init_machine     = palmld_init
MACHINE_END

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