/*
 * linux/arch/arm/mach-omap2/board-rx51-peripherals.c
 *
 * Copyright (C) 2008-2009 Nokia
 *
 * 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/input.h>
#include <linux/input/matrix_keypad.h>
#include <linux/spi/spi.h>
#include <linux/i2c.h>
#include <linux/i2c/twl4030.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/regulator/machine.h>
#include <linux/gpio.h>
#include <linux/mmc/host.h>

#include <mach/mcspi.h>
#include <mach/mux.h>
#include <mach/board.h>
#include <mach/common.h>
#include <mach/dma.h>
#include <mach/gpmc.h>
#include <mach/onenand.h>
#include <mach/gpmc-smc91x.h>

#include "mmc-twl4030.h"

#define SYSTEM_REV_B_USES_VAUX3 0x1699
#define SYSTEM_REV_S_USES_VAUX3 0x8

static int board_keymap[] = {
        KEY(0, 0, KEY_Q),
        KEY(0, 1, KEY_O),
        KEY(0, 2, KEY_P),
        KEY(0, 3, KEY_COMMA),
        KEY(0, 4, KEY_BACKSPACE),
        KEY(0, 6, KEY_A),
        KEY(0, 7, KEY_S),
        KEY(1, 0, KEY_W),
        KEY(1, 1, KEY_D),
        KEY(1, 2, KEY_F),
        KEY(1, 3, KEY_G),
        KEY(1, 4, KEY_H),
        KEY(1, 5, KEY_J),
        KEY(1, 6, KEY_K),
        KEY(1, 7, KEY_L),
        KEY(2, 0, KEY_E),
        KEY(2, 1, KEY_DOT),
        KEY(2, 2, KEY_UP),
        KEY(2, 3, KEY_ENTER),
        KEY(2, 5, KEY_Z),
        KEY(2, 6, KEY_X),
        KEY(2, 7, KEY_C),
        KEY(3, 0, KEY_R),
        KEY(3, 1, KEY_V),
        KEY(3, 2, KEY_B),
        KEY(3, 3, KEY_N),
        KEY(3, 4, KEY_M),
        KEY(3, 5, KEY_SPACE),
        KEY(3, 6, KEY_SPACE),
        KEY(3, 7, KEY_LEFT),
        KEY(4, 0, KEY_T),
        KEY(4, 1, KEY_DOWN),
        KEY(4, 2, KEY_RIGHT),
        KEY(4, 4, KEY_LEFTCTRL),
        KEY(4, 5, KEY_RIGHTALT),
        KEY(4, 6, KEY_LEFTSHIFT),
        KEY(5, 0, KEY_Y),
        KEY(6, 0, KEY_U),
        KEY(7, 0, KEY_I),
        KEY(7, 1, KEY_F7),
        KEY(7, 2, KEY_F8),
        KEY(0xff, 2, KEY_F9),
        KEY(0xff, 4, KEY_F10),
        KEY(0xff, 5, KEY_F11),
};

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

static struct twl4030_keypad_data rx51_kp_data = {
        .keymap_data    = &board_map_data,
        .rows           = 8,
        .cols           = 8,
        .rep            = 1,
};

static struct twl4030_madc_platform_data rx51_madc_data = {
        .irq_line               = 1,
};

static struct twl4030_hsmmc_info mmc[] = {
        {
                .name           = "external",
                .mmc            = 1,
                .wires          = 4,
                .cover_only     = true,
                .gpio_cd        = 160,
                .gpio_wp        = -EINVAL,
                .power_saving   = true,
        },
        {
                .name           = "internal",
                .mmc            = 2,
                .wires          = 8,
                .gpio_cd        = -EINVAL,
                .gpio_wp        = -EINVAL,
                .nonremovable   = true,
                .power_saving   = true,
        },
        {}      /* Terminator */
};

static struct regulator_consumer_supply rx51_vmmc1_supply = {
        .supply                 = "vmmc",
};

static struct regulator_consumer_supply rx51_vmmc2_supply = {
        .supply                 = "vmmc",
};

static struct regulator_consumer_supply rx51_vsim_supply = {
        .supply                 = "vmmc_aux",
};

static struct regulator_init_data rx51_vaux1 = {
        .constraints = {
                .name                   = "V28",
                .min_uV                 = 2800000,
                .max_uV                 = 2800000,
                .valid_modes_mask       = REGULATOR_MODE_NORMAL
                                        | REGULATOR_MODE_STANDBY,
                .valid_ops_mask         = REGULATOR_CHANGE_MODE
                                        | REGULATOR_CHANGE_STATUS,
        },
};

static struct regulator_init_data rx51_vaux2 = {
        .constraints = {
                .name                   = "VCSI",
                .min_uV                 = 1800000,
                .max_uV                 = 1800000,
                .valid_modes_mask       = REGULATOR_MODE_NORMAL
                                        | REGULATOR_MODE_STANDBY,
                .valid_ops_mask         = REGULATOR_CHANGE_MODE
                                        | REGULATOR_CHANGE_STATUS,
        },
};

/* VAUX3 - adds more power to VIO_18 rail */
static struct regulator_init_data rx51_vaux3_cam = {
        .constraints = {
                .name                   = "VCAM_DIG_18",
                .min_uV                 = 1800000,
                .max_uV                 = 1800000,
                .apply_uV               = true,
                .valid_modes_mask       = REGULATOR_MODE_NORMAL
                                        | REGULATOR_MODE_STANDBY,
                .valid_ops_mask         = REGULATOR_CHANGE_MODE
                                        | REGULATOR_CHANGE_STATUS,
        },
};

static struct regulator_init_data rx51_vaux3_mmc = {
        .constraints = {
                .name                   = "VMMC2_30",
                .min_uV                 = 2800000,
                .max_uV                 = 3000000,
                .apply_uV               = true,
                .valid_modes_mask       = REGULATOR_MODE_NORMAL
                                        | REGULATOR_MODE_STANDBY,
                .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
                                        | REGULATOR_CHANGE_MODE
                                        | REGULATOR_CHANGE_STATUS,
        },
        .num_consumer_supplies  = 1,
        .consumer_supplies      = &rx51_vmmc2_supply,
};

static struct regulator_init_data rx51_vaux4 = {
        .constraints = {
                .name                   = "VCAM_ANA_28",
                .min_uV                 = 2800000,
                .max_uV                 = 2800000,
                .apply_uV               = true,
                .valid_modes_mask       = REGULATOR_MODE_NORMAL
                                        | REGULATOR_MODE_STANDBY,
                .valid_ops_mask         = REGULATOR_CHANGE_MODE
                                        | REGULATOR_CHANGE_STATUS,
        },
};

static struct regulator_init_data rx51_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  = 1,
        .consumer_supplies      = &rx51_vmmc1_supply,
};

static struct regulator_init_data rx51_vmmc2 = {
        .constraints = {
                .name                   = "VMMC2_30",
                .min_uV                 = 1850000,
                .max_uV                 = 3150000,
                .apply_uV               = true,
                .valid_modes_mask       = REGULATOR_MODE_NORMAL
                                        | REGULATOR_MODE_STANDBY,
                .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
                                        | REGULATOR_CHANGE_MODE
                                        | REGULATOR_CHANGE_STATUS,
        },
        .num_consumer_supplies  = 1,
        .consumer_supplies      = &rx51_vmmc2_supply,
};

static struct regulator_init_data rx51_vsim = {
        .constraints = {
                .name                   = "VMMC2_IO_18",
                .min_uV                 = 1800000,
                .max_uV                 = 1800000,
                .apply_uV               = true,
                .valid_modes_mask       = REGULATOR_MODE_NORMAL
                                        | REGULATOR_MODE_STANDBY,
                .valid_ops_mask         = REGULATOR_CHANGE_MODE
                                        | REGULATOR_CHANGE_STATUS,
        },
        .num_consumer_supplies  = 1,
        .consumer_supplies      = &rx51_vsim_supply,
};

static struct regulator_init_data rx51_vdac = {
        .constraints = {
                .min_uV                 = 1800000,
                .max_uV                 = 1800000,
                .valid_modes_mask       = REGULATOR_MODE_NORMAL
                                        | REGULATOR_MODE_STANDBY,
                .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
                                        | REGULATOR_CHANGE_MODE
                                        | REGULATOR_CHANGE_STATUS,
        },
};

static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n)
{
        /* FIXME this gpio setup is just a placeholder for now */
        gpio_request(gpio + 6, "backlight_pwm");
        gpio_direction_output(gpio + 6, 0);
        gpio_request(gpio + 7, "speaker_en");
        gpio_direction_output(gpio + 7, 1);

        /* set up MMC adapters, linking their regulators to them */
        twl4030_mmc_init(mmc);
        rx51_vmmc1_supply.dev = mmc[0].dev;
        rx51_vmmc2_supply.dev = mmc[1].dev;
        rx51_vsim_supply.dev = mmc[1].dev;

        return 0;
}

static struct twl4030_gpio_platform_data rx51_gpio_data = {
        .gpio_base              = OMAP_MAX_GPIO_LINES,
        .irq_base               = TWL4030_GPIO_IRQ_BASE,
        .irq_end                = TWL4030_GPIO_IRQ_END,
        .pulldowns              = BIT(0) | BIT(1) | BIT(2) | BIT(3)
                                | BIT(4) | BIT(5)
                                | BIT(8) | BIT(9) | BIT(10) | BIT(11)
                                | BIT(12) | BIT(13) | BIT(14) | BIT(15)
                                | BIT(16) | BIT(17) ,
        .setup                  = rx51_twlgpio_setup,
};

static struct twl4030_usb_data rx51_usb_data = {
        .usb_mode               = T2_USB_MODE_ULPI,
};

static struct twl4030_ins sleep_on_seq[] __initdata = {
/*
 * Turn off VDD1 and VDD2.
 */
        {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_OFF), 4},
        {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_OFF), 2},
/*
 * And also turn off the OMAP3 PLLs and the sysclk output.
 */
        {MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_OFF), 3},
        {MSG_SINGULAR(DEV_GRP_P1, 0x17, RES_STATE_OFF), 3},
};

static struct twl4030_script sleep_on_script __initdata = {
        .script = sleep_on_seq,
        .size   = ARRAY_SIZE(sleep_on_seq),
        .flags  = TWL4030_SLEEP_SCRIPT,
};

static struct twl4030_ins wakeup_seq[] __initdata = {
/*
 * Reenable the OMAP3 PLLs.
 * Wakeup VDD1 and VDD2.
 * Reenable sysclk output.
 */
        {MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_ACTIVE), 0x30},
        {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_ACTIVE), 0x30},
        {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_ACTIVE), 0x37},
        {MSG_SINGULAR(DEV_GRP_P1, 0x19, RES_STATE_ACTIVE), 3},
};

static struct twl4030_script wakeup_script __initdata = {
        .script = wakeup_seq,
        .size   = ARRAY_SIZE(wakeup_seq),
        .flags  = TWL4030_WAKEUP12_SCRIPT,
};

static struct twl4030_ins wakeup_p3_seq[] __initdata = {
/*
 * Wakeup VDD1 (dummy to be able to insert a delay)
 * Enable CLKEN
 */
        {MSG_SINGULAR(DEV_GRP_P1, 0x17, RES_STATE_ACTIVE), 3},
};

static struct twl4030_script wakeup_p3_script __initdata = {
        .script = wakeup_p3_seq,
        .size   = ARRAY_SIZE(wakeup_p3_seq),
        .flags  = TWL4030_WAKEUP3_SCRIPT,
};

static struct twl4030_ins wrst_seq[] __initdata = {
/*
 * Reset twl4030.
 * Reset VDD1 regulator.
 * Reset VDD2 regulator.
 * Reset VPLL1 regulator.
 * Enable sysclk output.
 * Reenable twl4030.
 */
        {MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_OFF), 2},
        {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, 0, 1, RES_STATE_ACTIVE),
                0x13},
        {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_PP, 0, 2, RES_STATE_WRST), 0x13},
        {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_PP, 0, 3, RES_STATE_OFF), 0x13},
        {MSG_SINGULAR(DEV_GRP_NULL, RES_VDD1, RES_STATE_WRST), 0x13},
        {MSG_SINGULAR(DEV_GRP_NULL, RES_VDD2, RES_STATE_WRST), 0x13},
        {MSG_SINGULAR(DEV_GRP_NULL, RES_VPLL1, RES_STATE_WRST), 0x35},
        {MSG_SINGULAR(DEV_GRP_P1, RES_HFCLKOUT, RES_STATE_ACTIVE), 2},
        {MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_ACTIVE), 2},
};

static struct twl4030_script wrst_script __initdata = {
        .script = wrst_seq,
        .size   = ARRAY_SIZE(wrst_seq),
        .flags  = TWL4030_WRST_SCRIPT,
};

static struct twl4030_script *twl4030_scripts[] __initdata = {
        /* wakeup12 script should be loaded before sleep script, otherwise a
           board might hit retention before loading of wakeup script is
           completed. This can cause boot failures depending on timing issues.
        */
        &wakeup_script,
        &sleep_on_script,
        &wakeup_p3_script,
        &wrst_script,
};

static struct twl4030_resconfig twl4030_rconfig[] __initdata = {
        { .resource = RES_VINTANA1, .devgroup = -1, .type = -1, .type2 = 1 },
        { .resource = RES_VINTANA2, .devgroup = -1, .type = -1, .type2 = 1 },
        { .resource = RES_VINTDIG, .devgroup = -1, .type = -1, .type2 = 1 },
        { .resource = RES_VMMC1, .devgroup = -1, .type = -1, .type2 = 3},
        { .resource = RES_VMMC2, .devgroup = DEV_GRP_NULL, .type = -1,
          .type2 = 3},
        { .resource = RES_VAUX1, .devgroup = -1, .type = -1, .type2 = 3},
        { .resource = RES_VAUX2, .devgroup = -1, .type = -1, .type2 = 3},
        { .resource = RES_VAUX3, .devgroup = -1, .type = -1, .type2 = 3},
        { .resource = RES_VAUX4, .devgroup = -1, .type = -1, .type2 = 3},
        { .resource = RES_VPLL2, .devgroup = -1, .type = -1, .type2 = 3},
        { .resource = RES_VDAC, .devgroup = -1, .type = -1, .type2 = 3},
        { .resource = RES_VSIM, .devgroup = DEV_GRP_NULL, .type = -1,
          .type2 = 3},
        { .resource = RES_CLKEN, .devgroup = DEV_GRP_P3, .type = -1,
                .type2 = 1 },
        { 0, 0},
};

static struct twl4030_power_data rx51_t2scripts_data __initdata = {
        .scripts        = twl4030_scripts,
        .num = ARRAY_SIZE(twl4030_scripts),
        .resource_config = twl4030_rconfig,
};



static struct twl4030_platform_data rx51_twldata __initdata = {
        .irq_base               = TWL4030_IRQ_BASE,
        .irq_end                = TWL4030_IRQ_END,

        /* platform_data for children goes here */
        .gpio                   = &rx51_gpio_data,
        .keypad                 = &rx51_kp_data,
        .madc                   = &rx51_madc_data,
        .usb                    = &rx51_usb_data,
        .power                  = &rx51_t2scripts_data,

        .vaux1                  = &rx51_vaux1,
        .vaux2                  = &rx51_vaux2,
        .vaux4                  = &rx51_vaux4,
        .vmmc1                  = &rx51_vmmc1,
        .vsim                   = &rx51_vsim,
        .vdac                   = &rx51_vdac,
};

static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = {
        {
                I2C_BOARD_INFO("twl5030", 0x48),
                .flags = I2C_CLIENT_WAKE,
                .irq = INT_34XX_SYS_NIRQ,
                .platform_data = &rx51_twldata,
        },
};

static int __init rx51_i2c_init(void)
{
        if ((system_rev >= SYSTEM_REV_S_USES_VAUX3 && system_rev < 0x100) ||
            system_rev >= SYSTEM_REV_B_USES_VAUX3)
                rx51_twldata.vaux3 = &rx51_vaux3_mmc;
        else {
                rx51_twldata.vaux3 = &rx51_vaux3_cam;
                rx51_twldata.vmmc2 = &rx51_vmmc2;
        }
        omap_register_i2c_bus(1, 2200, rx51_peripherals_i2c_board_info_1,
                        ARRAY_SIZE(rx51_peripherals_i2c_board_info_1));
        omap_register_i2c_bus(2, 100, NULL, 0);
        omap_register_i2c_bus(3, 400, NULL, 0);
        return 0;
}

#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
        defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)

static struct mtd_partition onenand_partitions[] = {
        {
                .name           = "bootloader",
                .offset         = 0,
                .size           = 0x20000,
                .mask_flags     = MTD_WRITEABLE,        /* Force read-only */
        },
        {
                .name           = "config",
                .offset         = MTDPART_OFS_APPEND,
                .size           = 0x60000,
        },
        {
                .name           = "log",
                .offset         = MTDPART_OFS_APPEND,
                .size           = 0x40000,
        },
        {
                .name           = "kernel",
                .offset         = MTDPART_OFS_APPEND,
                .size           = 0x200000,
        },
        {
                .name           = "initfs",
                .offset         = MTDPART_OFS_APPEND,
                .size           = 0x200000,
        },
        {
                .name           = "rootfs",
                .offset         = MTDPART_OFS_APPEND,
                .size           = MTDPART_SIZ_FULL,
        },
};

static struct omap_onenand_platform_data board_onenand_data = {
        .cs             = 0,
        .gpio_irq       = 65,
        .parts          = onenand_partitions,
        .nr_parts       = ARRAY_SIZE(onenand_partitions),
        .flags          = ONENAND_SYNC_READWRITE,
};

static void __init board_onenand_init(void)
{
        gpmc_onenand_init(&board_onenand_data);
}

#else

static inline void board_onenand_init(void)
{
}

#endif

#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)

static struct omap_smc91x_platform_data board_smc91x_data = {
        .cs             = 1,
        .gpio_irq       = 54,
        .gpio_pwrdwn    = 86,
        .gpio_reset     = 164,
        .flags          = GPMC_TIMINGS_SMC91C96 | IORESOURCE_IRQ_HIGHLEVEL,
};

static void __init board_smc91x_init(void)
{
        omap_cfg_reg(U8_34XX_GPIO54_DOWN);
        omap_cfg_reg(G25_34XX_GPIO86_OUT);
        omap_cfg_reg(H19_34XX_GPIO164_OUT);

        gpmc_smc91x_init(&board_smc91x_data);
}

#else

static inline void board_smc91x_init(void)
{
}

#endif

void __init rx51_peripherals_init(void)
{
        rx51_i2c_init();
        board_onenand_init();
        board_smc91x_init();
}