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mach-universal_c210.c

/* linux/arch/arm/mach-s5pv310/mach-universal_c210.c
 *
 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
 *
 * 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.
*/

#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <linux/input.h>
#include <linux/i2c.h>
#include <linux/gpio_keys.h>
#include <linux/gpio.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <linux/mmc/host.h>

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

#include <plat/regs-serial.h>
#include <plat/s5pv310.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/sdhci.h>

#include <mach/map.h>

/* Following are default values for UCON, ULCON and UFCON UART registers */
#define UNIVERSAL_UCON_DEFAULT      (S3C2410_UCON_TXILEVEL |      \
                         S3C2410_UCON_RXILEVEL |      \
                         S3C2410_UCON_TXIRQMODE |     \
                         S3C2410_UCON_RXIRQMODE |     \
                         S3C2410_UCON_RXFIFO_TOI |    \
                         S3C2443_UCON_RXERR_IRQEN)

#define UNIVERSAL_ULCON_DEFAULT     S3C2410_LCON_CS8

#define UNIVERSAL_UFCON_DEFAULT     (S3C2410_UFCON_FIFOMODE |     \
                         S5PV210_UFCON_TXTRIG256 |    \
                         S5PV210_UFCON_RXTRIG256)

static struct s3c2410_uartcfg universal_uartcfgs[] __initdata = {
      [0] = {
            .hwport           = 0,
            .ucon       = UNIVERSAL_UCON_DEFAULT,
            .ulcon            = UNIVERSAL_ULCON_DEFAULT,
            .ufcon            = UNIVERSAL_UFCON_DEFAULT,
      },
      [1] = {
            .hwport           = 1,
            .ucon       = UNIVERSAL_UCON_DEFAULT,
            .ulcon            = UNIVERSAL_ULCON_DEFAULT,
            .ufcon            = UNIVERSAL_UFCON_DEFAULT,
      },
      [2] = {
            .hwport           = 2,
            .ucon       = UNIVERSAL_UCON_DEFAULT,
            .ulcon            = UNIVERSAL_ULCON_DEFAULT,
            .ufcon            = UNIVERSAL_UFCON_DEFAULT,
      },
      [3] = {
            .hwport           = 3,
            .ucon       = UNIVERSAL_UCON_DEFAULT,
            .ulcon            = UNIVERSAL_ULCON_DEFAULT,
            .ufcon            = UNIVERSAL_UFCON_DEFAULT,
      },
};

static struct gpio_keys_button universal_gpio_keys_tables[] = {
      {
            .code             = KEY_VOLUMEUP,
            .gpio             = S5PV310_GPX2(0),      /* XEINT16 */
            .desc             = "gpio-keys: KEY_VOLUMEUP",
            .type             = EV_KEY,
            .active_low       = 1,
            .debounce_interval      = 1,
      }, {
            .code             = KEY_VOLUMEDOWN,
            .gpio             = S5PV310_GPX2(1),      /* XEINT17 */
            .desc             = "gpio-keys: KEY_VOLUMEDOWN",
            .type             = EV_KEY,
            .active_low       = 1,
            .debounce_interval      = 1,
      }, {
            .code             = KEY_CONFIG,
            .gpio             = S5PV310_GPX2(2),      /* XEINT18 */
            .desc             = "gpio-keys: KEY_CONFIG",
            .type             = EV_KEY,
            .active_low       = 1,
            .debounce_interval      = 1,
      }, {
            .code             = KEY_CAMERA,
            .gpio             = S5PV310_GPX2(3),      /* XEINT19 */
            .desc             = "gpio-keys: KEY_CAMERA",
            .type             = EV_KEY,
            .active_low       = 1,
            .debounce_interval      = 1,
      }, {
            .code             = KEY_OK,
            .gpio             = S5PV310_GPX3(5),      /* XEINT29 */
            .desc             = "gpio-keys: KEY_OK",
            .type             = EV_KEY,
            .active_low       = 1,
            .debounce_interval      = 1,
      },
};

static struct gpio_keys_platform_data universal_gpio_keys_data = {
      .buttons    = universal_gpio_keys_tables,
      .nbuttons   = ARRAY_SIZE(universal_gpio_keys_tables),
};

static struct platform_device universal_gpio_keys = {
      .name             = "gpio-keys",
      .dev              = {
            .platform_data    = &universal_gpio_keys_data,
      },
};

/* eMMC */
static struct s3c_sdhci_platdata universal_hsmmc0_data __initdata = {
      .max_width        = 8,
      .host_caps        = (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA |
                        MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
                        MMC_CAP_DISABLE),
      .cd_type          = S3C_SDHCI_CD_PERMANENT,
      .clk_type         = S3C_SDHCI_CLK_DIV_EXTERNAL,
};

static struct regulator_consumer_supply mmc0_supplies[] = {
      REGULATOR_SUPPLY("vmmc", "s3c-sdhci.0"),
};

static struct regulator_init_data mmc0_fixed_voltage_init_data = {
      .constraints            = {
            .name       = "VMEM_VDD_2.8V",
            .valid_ops_mask   = REGULATOR_CHANGE_STATUS,
      },
      .num_consumer_supplies  = ARRAY_SIZE(mmc0_supplies),
      .consumer_supplies      = mmc0_supplies,
};

static struct fixed_voltage_config mmc0_fixed_voltage_config = {
      .supply_name            = "MASSMEMORY_EN",
      .microvolts       = 2800000,
      .gpio             = S5PV310_GPE1(3),
      .enable_high            = true,
      .init_data        = &mmc0_fixed_voltage_init_data,
};

static struct platform_device mmc0_fixed_voltage = {
      .name             = "reg-fixed-voltage",
      .id               = 0,
      .dev              = {
            .platform_data    = &mmc0_fixed_voltage_config,
      },
};

/* SD */
static struct s3c_sdhci_platdata universal_hsmmc2_data __initdata = {
      .max_width        = 4,
      .host_caps        = MMC_CAP_4_BIT_DATA |
                        MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
                        MMC_CAP_DISABLE,
      .ext_cd_gpio            = S5PV310_GPX3(4),      /* XEINT_28 */
      .ext_cd_gpio_invert     = 1,
      .cd_type          = S3C_SDHCI_CD_GPIO,
      .clk_type         = S3C_SDHCI_CLK_DIV_EXTERNAL,
};

/* WiFi */
static struct s3c_sdhci_platdata universal_hsmmc3_data __initdata = {
      .max_width        = 4,
      .host_caps        = MMC_CAP_4_BIT_DATA |
                        MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
                        MMC_CAP_DISABLE,
      .cd_type          = S3C_SDHCI_CD_EXTERNAL,
};

static void __init universal_sdhci_init(void)
{
      s3c_sdhci0_set_platdata(&universal_hsmmc0_data);
      s3c_sdhci2_set_platdata(&universal_hsmmc2_data);
      s3c_sdhci3_set_platdata(&universal_hsmmc3_data);
}

/* I2C0 */
static struct i2c_board_info i2c0_devs[] __initdata = {
      /* Camera, To be updated */
};

/* I2C1 */
static struct i2c_board_info i2c1_devs[] __initdata = {
      /* Gyro, To be updated */
};

static struct platform_device *universal_devices[] __initdata = {
      /* Samsung Platform Devices */
      &mmc0_fixed_voltage,
      &s3c_device_hsmmc0,
      &s3c_device_hsmmc2,
      &s3c_device_hsmmc3,

      /* Universal Devices */
      &universal_gpio_keys,
      &s5p_device_onenand,
};

static void __init universal_map_io(void)
{
      s5p_init_io(NULL, 0, S5P_VA_CHIPID);
      s3c24xx_init_clocks(24000000);
      s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs));
}

static void __init universal_machine_init(void)
{
      universal_sdhci_init();

      i2c_register_board_info(0, i2c0_devs, ARRAY_SIZE(i2c0_devs));
      i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));

      /* Last */
      platform_add_devices(universal_devices, ARRAY_SIZE(universal_devices));
}

MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210")
      /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
      .boot_params      = S5P_PA_SDRAM + 0x100,
      .init_irq   = s5pv310_init_irq,
      .map_io           = universal_map_io,
      .init_machine     = universal_machine_init,
      .timer            = &s5pv310_timer,
MACHINE_END

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