palmld.c

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/*
 * Hardware definitions for Palm LifeDrive
 *
 * Author:     Marek Vasut <[email protected]>
 *
 * Based on work of:
 *      Alex Osborne <[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/pda_power.h>
#include <linux/pwm_backlight.h>
#include <linux/gpio.h>
#include <linux/wm97xx.h>
#include <linux/power_supply.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 <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 <linux/platform_data/asoc-palm27x.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")
    .atag_offset    = 0x100,
    .map_io     = palmld_map_io,
    .nr_irqs    = PXA_NR_IRQS,
    .init_irq   = pxa27x_init_irq,
    .handle_irq = pxa27x_handle_irq,
    .timer      = &pxa_timer,
    .init_machine   = palmld_init,
    .restart    = pxa_restart,
MACHINE_END