board-omap3stalker.c

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/*
 * linux/arch/arm/mach-omap2/board-omap3evm.c
 *
 * Copyright (C) 2008 Guangzhou EMA-Tech
 *
 * Modified from mach-omap2/board-omap3evm.c
 *
 * Initial code: Syed Mohammed Khasim
 *
 * 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/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/leds.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/gpio_keys.h>

#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/i2c/twl.h>
#include <linux/mmc/host.h>
#include <linux/input/matrix_keypad.h>
#include <linux/spi/spi.h>
#include <linux/interrupt.h>
#include <linux/smsc911x.h>
#include <linux/i2c/at24.h>

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

#include "common.h"
#include <plat/gpmc.h>
#include <linux/platform_data/mtd-nand-omap2.h>
#include <plat/usb.h>
#include <video/omapdss.h>
#include <video/omap-panel-generic-dpi.h>
#include <video/omap-panel-tfp410.h>

#include <linux/platform_data/spi-omap2-mcspi.h>

#include "sdram-micron-mt46h32m32lf-6.h"
#include "mux.h"
#include "hsmmc.h"
#include "common-board-devices.h"

#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
#include "gpmc-smsc911x.h"

#define OMAP3STALKER_ETHR_START 0x2c000000
#define OMAP3STALKER_ETHR_SIZE  1024
#define OMAP3STALKER_ETHR_GPIO_IRQ  19
#define OMAP3STALKER_SMC911X_CS 5

static struct omap_smsc911x_platform_data smsc911x_cfg = {
    .cs             = OMAP3STALKER_SMC911X_CS,
    .gpio_irq       = OMAP3STALKER_ETHR_GPIO_IRQ,
    .gpio_reset     = -EINVAL,
    .flags      = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
};

static inline void __init omap3stalker_init_eth(void)
{
    omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
    gpmc_smsc911x_init(&smsc911x_cfg);
}

#else
static inline void __init omap3stalker_init_eth(void)
{
    return;
}
#endif

/*
 * OMAP3 DSS control signals
 */

#define DSS_ENABLE_GPIO 199
#define LCD_PANEL_BKLIGHT_GPIO  210
#define ENABLE_VPLL2_DEV_GRP    0xE0

static void __init omap3_stalker_display_init(void)
{
    return;
}

static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
{
    return 0;
}

static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
{
}

static struct omap_dss_device omap3_stalker_tv_device = {
    .name           = "tv",
    .driver_name        = "venc",
    .type           = OMAP_DISPLAY_TYPE_VENC,
#if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
    .phy.venc.type      = OMAP_DSS_VENC_TYPE_SVIDEO,
#elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
    .u.venc.type        = OMAP_DSS_VENC_TYPE_COMPOSITE,
#endif
    .platform_enable    = omap3_stalker_enable_tv,
    .platform_disable   = omap3_stalker_disable_tv,
};

static struct tfp410_platform_data dvi_panel = {
    .power_down_gpio    = DSS_ENABLE_GPIO,
};

static struct omap_dss_device omap3_stalker_dvi_device = {
    .name           = "dvi",
    .type           = OMAP_DISPLAY_TYPE_DPI,
    .driver_name        = "tfp410",
    .data           = &dvi_panel,
    .phy.dpi.data_lines = 24,
};

static struct omap_dss_device *omap3_stalker_dss_devices[] = {
    &omap3_stalker_tv_device,
    &omap3_stalker_dvi_device,
};

static struct omap_dss_board_info omap3_stalker_dss_data = {
    .num_devices    = ARRAY_SIZE(omap3_stalker_dss_devices),
    .devices    = omap3_stalker_dss_devices,
    .default_device = &omap3_stalker_dvi_device,
};

static struct regulator_consumer_supply omap3stalker_vmmc1_supply[] = {
    REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
};

static struct regulator_consumer_supply omap3stalker_vsim_supply[] = {
    REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
};

/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
static struct regulator_init_data omap3stalker_vmmc1 = {
    .constraints        = {
        .min_uV         = 1850000,
        .max_uV         = 3150000,
        .valid_modes_mask   = REGULATOR_MODE_NORMAL
        | REGULATOR_MODE_STANDBY,
        .valid_ops_mask     = REGULATOR_CHANGE_VOLTAGE
        | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
    },
    .num_consumer_supplies  = ARRAY_SIZE(omap3stalker_vmmc1_supply),
    .consumer_supplies  = omap3stalker_vmmc1_supply,
};

/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
static struct regulator_init_data omap3stalker_vsim = {
    .constraints        = {
        .min_uV         = 1800000,
        .max_uV         = 3000000,
        .valid_modes_mask   = REGULATOR_MODE_NORMAL
        | REGULATOR_MODE_STANDBY,
        .valid_ops_mask     = REGULATOR_CHANGE_VOLTAGE
        | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
    },
    .num_consumer_supplies  = ARRAY_SIZE(omap3stalker_vsim_supply),
    .consumer_supplies  = omap3stalker_vsim_supply,
};

static struct omap2_hsmmc_info mmc[] = {
    {
        .mmc        = 1,
        .caps       = MMC_CAP_4_BIT_DATA,
        .gpio_cd    = -EINVAL,
        .gpio_wp    = 23,
        .deferred   = true,
     },
    {}          /* Terminator */
};

static struct gpio_keys_button gpio_buttons[] = {
    {
     .code      = BTN_EXTRA,
     .gpio      = 18,
     .desc      = "user",
     .wakeup    = 1,
     },
};

static struct gpio_keys_platform_data gpio_key_info = {
    .buttons    = gpio_buttons,
    .nbuttons   = ARRAY_SIZE(gpio_buttons),
};

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

static struct gpio_led gpio_leds[] = {
    {
     .name          = "stalker:D8:usr0",
     .default_trigger   = "default-on",
     .gpio          = 126,
     },
    {
     .name          = "stalker:D9:usr1",
     .default_trigger   = "default-on",
     .gpio          = 127,
     },
    {
     .name          = "stalker:D3:mmc0",
     .gpio          = -EINVAL,  /* gets replaced */
     .active_low        = true,
     .default_trigger   = "mmc0",
     },
    {
     .name          = "stalker:D4:heartbeat",
     .gpio          = -EINVAL,  /* gets replaced */
     .active_low        = true,
     .default_trigger   = "heartbeat",
     },
};

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

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

static int
omap3stalker_twl_gpio_setup(struct device *dev,
                unsigned gpio, unsigned ngpio)
{
    /* gpio + 0 is "mmc0_cd" (input/IRQ) */
    mmc[0].gpio_cd = gpio + 0;
    omap_hsmmc_late_init(mmc);

    /*
     * Most GPIOs are for USB OTG.  Some are mostly sent to
     * the P2 connector; notably LEDA for the LCD backlight.
     */

    /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
    gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
             "EN_LCD_BKL");

    /* gpio + 7 == DVI Enable */
    gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");

    /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
    gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
    /* GPIO + 13 == ledsync (out, heartbeat) */
    gpio_leds[3].gpio = gpio + 13;

    platform_device_register(&leds_gpio);
    return 0;
}

static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
    .use_leds   = true,
    .setup      = omap3stalker_twl_gpio_setup,
};

static uint32_t board_keymap[] = {
    KEY(0, 0, KEY_LEFT),
    KEY(0, 1, KEY_DOWN),
    KEY(0, 2, KEY_ENTER),
    KEY(0, 3, KEY_M),

    KEY(1, 0, KEY_RIGHT),
    KEY(1, 1, KEY_UP),
    KEY(1, 2, KEY_I),
    KEY(1, 3, KEY_N),

    KEY(2, 0, KEY_A),
    KEY(2, 1, KEY_E),
    KEY(2, 2, KEY_J),
    KEY(2, 3, KEY_O),

    KEY(3, 0, KEY_B),
    KEY(3, 1, KEY_F),
    KEY(3, 2, KEY_K),
    KEY(3, 3, KEY_P)
};

static struct matrix_keymap_data board_map_data = {
    .keymap     = board_keymap,
    .keymap_size    = ARRAY_SIZE(board_keymap),
};

static struct twl4030_keypad_data omap3stalker_kp_data = {
    .keymap_data    = &board_map_data,
    .rows       = 4,
    .cols       = 4,
    .rep        = 1,
};

static struct twl4030_platform_data omap3stalker_twldata = {
    /* platform_data for children goes here */
    .keypad     = &omap3stalker_kp_data,
    .gpio       = &omap3stalker_gpio_data,
    .vmmc1      = &omap3stalker_vmmc1,
    .vsim       = &omap3stalker_vsim,
};

static struct at24_platform_data fram_info = {
    .byte_len   = (64 * 1024) / 8,
    .page_size  = 8192,
    .flags      = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
};

static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
    {
     I2C_BOARD_INFO("24c64", 0x50),
     .flags     = I2C_CLIENT_WAKE,
     .platform_data = &fram_info,
     },
};

static int __init omap3_stalker_i2c_init(void)
{
    omap3_pmic_get_config(&omap3stalker_twldata,
            TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
            TWL_COMMON_PDATA_AUDIO,
            TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);

    omap3stalker_twldata.vdac->constraints.apply_uV = true;
    omap3stalker_twldata.vpll2->constraints.apply_uV = true;
    omap3stalker_twldata.vpll2->constraints.name = "VDVI";

    omap3_pmic_init("twl4030", &omap3stalker_twldata);
    omap_register_i2c_bus(2, 400, NULL, 0);
    omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
                  ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
    return 0;
}

#define OMAP3_STALKER_TS_GPIO   175

static struct platform_device *omap3_stalker_devices[] __initdata = {
    &keys_gpio,
};

static struct usbhs_omap_board_data usbhs_bdata __initconst = {
    .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
    .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
    .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,

    .phy_reset = true,
    .reset_gpio_port[0] = -EINVAL,
    .reset_gpio_port[1] = 21,
    .reset_gpio_port[2] = -EINVAL,
};

#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
    OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
          OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
    OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
          OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
    {.reg_offset = OMAP_MUX_TERMINATOR},
};
#endif

static struct regulator_consumer_supply dummy_supplies[] = {
    REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
    REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
};

static void __init omap3_stalker_init(void)
{
    regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
    omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);

    omap_mux_init_gpio(23, OMAP_PIN_INPUT);
    omap_hsmmc_init(mmc);

    omap3_stalker_i2c_init();

    platform_add_devices(omap3_stalker_devices,
                 ARRAY_SIZE(omap3_stalker_devices));

    omap_display_init(&omap3_stalker_dss_data);

    omap_serial_init();
    omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL);
    usb_musb_init(NULL);
    usbhs_init(&usbhs_bdata);
    omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);

    omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
    omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);

    omap3stalker_init_eth();
    omap3_stalker_display_init();
/* Ensure SDRC pins are mux'd for self-refresh */
    omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
    omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
}

MACHINE_START(SBC3530, "OMAP3 STALKER")
    /* Maintainer: Jason Lam [email protected] */
    .atag_offset        = 0x100,
    .map_io         = omap3_map_io,
    .init_early     = omap35xx_init_early,
    .init_irq       = omap3_init_irq,
    .handle_irq     = omap3_intc_handle_irq,
    .init_machine       = omap3_stalker_init,
    .init_late      = omap35xx_init_late,
    .timer          = &omap3_secure_timer,
    .restart        = omap_prcm_restart,
MACHINE_END