/* linux/arch/arm/mach-s5pv210/mach-aquila.c
 *
 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
 *              http://www.samsung.com/
 *
 * 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/types.h>
#include <linux/init.h>
#include <linux/serial_core.h>
#include <linux/fb.h>
#include <linux/i2c.h>
#include <linux/i2c-gpio.h>
#include <linux/mfd/max8998.h>
#include <linux/mfd/wm8994/pdata.h>
#include <linux/regulator/fixed.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/gpio.h>

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

#include <mach/map.h>
#include <mach/regs-clock.h>

#include <plat/gpio-cfg.h>
#include <plat/regs-serial.h>
#include <plat/s5pv210.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/fb.h>
#include <plat/fimc-core.h>
#include <plat/sdhci.h>
#include <plat/s5p-time.h>
#include <plat/regs-fb-v4.h>

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

#define AQUILA_ULCON_DEFAULT    S3C2410_LCON_CS8

#define AQUILA_UFCON_DEFAULT    S3C2410_UFCON_FIFOMODE

static struct s3c2410_uartcfg aquila_uartcfgs[] __initdata = {
        [0] = {
                .hwport         = 0,
                .flags          = 0,
                .ucon           = AQUILA_UCON_DEFAULT,
                .ulcon          = AQUILA_ULCON_DEFAULT,
                /*
                 * Actually UART0 can support 256 bytes fifo, but aquila board
                 * supports 128 bytes fifo because of initial chip bug
                 */
                .ufcon          = AQUILA_UFCON_DEFAULT |
                        S5PV210_UFCON_TXTRIG128 | S5PV210_UFCON_RXTRIG128,
        },
        [1] = {
                .hwport         = 1,
                .flags          = 0,
                .ucon           = AQUILA_UCON_DEFAULT,
                .ulcon          = AQUILA_ULCON_DEFAULT,
                .ufcon          = AQUILA_UFCON_DEFAULT |
                        S5PV210_UFCON_TXTRIG64 | S5PV210_UFCON_RXTRIG64,
        },
        [2] = {
                .hwport         = 2,
                .flags          = 0,
                .ucon           = AQUILA_UCON_DEFAULT,
                .ulcon          = AQUILA_ULCON_DEFAULT,
                .ufcon          = AQUILA_UFCON_DEFAULT |
                        S5PV210_UFCON_TXTRIG16 | S5PV210_UFCON_RXTRIG16,
        },
        [3] = {
                .hwport         = 3,
                .flags          = 0,
                .ucon           = AQUILA_UCON_DEFAULT,
                .ulcon          = AQUILA_ULCON_DEFAULT,
                .ufcon          = AQUILA_UFCON_DEFAULT |
                        S5PV210_UFCON_TXTRIG16 | S5PV210_UFCON_RXTRIG16,
        },
};

/* Frame Buffer */
static struct s3c_fb_pd_win aquila_fb_win0 = {
        .win_mode = {
                .left_margin = 16,
                .right_margin = 16,
                .upper_margin = 3,
                .lower_margin = 28,
                .hsync_len = 2,
                .vsync_len = 2,
                .xres = 480,
                .yres = 800,
        },
        .max_bpp = 32,
        .default_bpp = 16,
};

static struct s3c_fb_pd_win aquila_fb_win1 = {
        .win_mode = {
                .left_margin = 16,
                .right_margin = 16,
                .upper_margin = 3,
                .lower_margin = 28,
                .hsync_len = 2,
                .vsync_len = 2,
                .xres = 480,
                .yres = 800,
        },
        .max_bpp = 32,
        .default_bpp = 16,
};

static struct s3c_fb_platdata aquila_lcd_pdata __initdata = {
        .win[0]         = &aquila_fb_win0,
        .win[1]         = &aquila_fb_win1,
        .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
        .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC |
                          VIDCON1_INV_VCLK | VIDCON1_INV_VDEN,
        .setup_gpio     = s5pv210_fb_gpio_setup_24bpp,
};

/* MAX8998 regulators */
#if defined(CONFIG_REGULATOR_MAX8998) || defined(CONFIG_REGULATOR_MAX8998_MODULE)

static struct regulator_init_data aquila_ldo2_data = {
        .constraints    = {
                .name           = "VALIVE_1.1V",
                .min_uV         = 1100000,
                .max_uV         = 1100000,
                .apply_uV       = 1,
                .always_on      = 1,
                .state_mem      = {
                        .enabled = 1,
                },
        },
};

static struct regulator_init_data aquila_ldo3_data = {
        .constraints    = {
                .name           = "VUSB+MIPI_1.1V",
                .min_uV         = 1100000,
                .max_uV         = 1100000,
                .apply_uV       = 1,
                .always_on      = 1,
        },
};

static struct regulator_init_data aquila_ldo4_data = {
        .constraints    = {
                .name           = "VDAC_3.3V",
                .min_uV         = 3300000,
                .max_uV         = 3300000,
                .apply_uV       = 1,
        },
};

static struct regulator_init_data aquila_ldo5_data = {
        .constraints    = {
                .name           = "VTF_2.8V",
                .min_uV         = 2800000,
                .max_uV         = 2800000,
                .apply_uV       = 1,
        },
};

static struct regulator_init_data aquila_ldo6_data = {
        .constraints    = {
                .name           = "VCC_3.3V",
                .min_uV         = 3300000,
                .max_uV         = 3300000,
                .apply_uV       = 1,
        },
};

static struct regulator_init_data aquila_ldo7_data = {
        .constraints    = {
                .name           = "VCC_3.0V",
                .min_uV         = 3000000,
                .max_uV         = 3000000,
                .apply_uV       = 1,
                .boot_on        = 1,
                .always_on      = 1,
        },
};

static struct regulator_init_data aquila_ldo8_data = {
        .constraints    = {
                .name           = "VUSB+VADC_3.3V",
                .min_uV         = 3300000,
                .max_uV         = 3300000,
                .apply_uV       = 1,
                .always_on      = 1,
        },
};

static struct regulator_init_data aquila_ldo9_data = {
        .constraints    = {
                .name           = "VCC+VCAM_2.8V",
                .min_uV         = 2800000,
                .max_uV         = 2800000,
                .apply_uV       = 1,
                .always_on      = 1,
        },
};

static struct regulator_init_data aquila_ldo10_data = {
        .constraints    = {
                .name           = "VPLL_1.1V",
                .min_uV         = 1100000,
                .max_uV         = 1100000,
                .apply_uV       = 1,
                .boot_on        = 1,
        },
};

static struct regulator_init_data aquila_ldo11_data = {
        .constraints    = {
                .name           = "CAM_IO_2.8V",
                .min_uV         = 2800000,
                .max_uV         = 2800000,
                .apply_uV       = 1,
                .always_on      = 1,
        },
};

static struct regulator_init_data aquila_ldo12_data = {
        .constraints    = {
                .name           = "CAM_ISP_1.2V",
                .min_uV         = 1200000,
                .max_uV         = 1200000,
                .apply_uV       = 1,
                .always_on      = 1,
        },
};

static struct regulator_init_data aquila_ldo13_data = {
        .constraints    = {
                .name           = "CAM_A_2.8V",
                .min_uV         = 2800000,
                .max_uV         = 2800000,
                .apply_uV       = 1,
                .always_on      = 1,
        },
};

static struct regulator_init_data aquila_ldo14_data = {
        .constraints    = {
                .name           = "CAM_CIF_1.8V",
                .min_uV         = 1800000,
                .max_uV         = 1800000,
                .apply_uV       = 1,
                .always_on      = 1,
        },
};

static struct regulator_init_data aquila_ldo15_data = {
        .constraints    = {
                .name           = "CAM_AF_3.3V",
                .min_uV         = 3300000,
                .max_uV         = 3300000,
                .apply_uV       = 1,
                .always_on      = 1,
        },
};

static struct regulator_init_data aquila_ldo16_data = {
        .constraints    = {
                .name           = "VMIPI_1.8V",
                .min_uV         = 1800000,
                .max_uV         = 1800000,
                .apply_uV       = 1,
                .always_on      = 1,
        },
};

static struct regulator_init_data aquila_ldo17_data = {
        .constraints    = {
                .name           = "CAM_8M_1.8V",
                .min_uV         = 1800000,
                .max_uV         = 1800000,
                .apply_uV       = 1,
                .always_on      = 1,
        },
};

/* BUCK */
static struct regulator_consumer_supply buck1_consumer =
        REGULATOR_SUPPLY("vddarm", NULL);

static struct regulator_consumer_supply buck2_consumer =
        REGULATOR_SUPPLY("vddint", NULL);

static struct regulator_init_data aquila_buck1_data = {
        .constraints    = {
                .name           = "VARM_1.2V",
                .min_uV         = 1200000,
                .max_uV         = 1200000,
                .apply_uV       = 1,
                .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
                                  REGULATOR_CHANGE_STATUS,
        },
        .num_consumer_supplies  = 1,
        .consumer_supplies      = &buck1_consumer,
};

static struct regulator_init_data aquila_buck2_data = {
        .constraints    = {
                .name           = "VINT_1.2V",
                .min_uV         = 1200000,
                .max_uV         = 1200000,
                .apply_uV       = 1,
                .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
                                  REGULATOR_CHANGE_STATUS,
        },
        .num_consumer_supplies  = 1,
        .consumer_supplies      = &buck2_consumer,
};

static struct regulator_init_data aquila_buck3_data = {
        .constraints    = {
                .name           = "VCC_1.8V",
                .min_uV         = 1800000,
                .max_uV         = 1800000,
                .apply_uV       = 1,
                .state_mem      = {
                        .enabled = 1,
                },
        },
};

static struct regulator_init_data aquila_buck4_data = {
        .constraints    = {
                .name           = "CAM_CORE_1.2V",
                .min_uV         = 1200000,
                .max_uV         = 1200000,
                .apply_uV       = 1,
                .always_on      = 1,
        },
};

static struct max8998_regulator_data aquila_regulators[] = {
        { MAX8998_LDO2,  &aquila_ldo2_data },
        { MAX8998_LDO3,  &aquila_ldo3_data },
        { MAX8998_LDO4,  &aquila_ldo4_data },
        { MAX8998_LDO5,  &aquila_ldo5_data },
        { MAX8998_LDO6,  &aquila_ldo6_data },
        { MAX8998_LDO7,  &aquila_ldo7_data },
        { MAX8998_LDO8,  &aquila_ldo8_data },
        { MAX8998_LDO9,  &aquila_ldo9_data },
        { MAX8998_LDO10, &aquila_ldo10_data },
        { MAX8998_LDO11, &aquila_ldo11_data },
        { MAX8998_LDO12, &aquila_ldo12_data },
        { MAX8998_LDO13, &aquila_ldo13_data },
        { MAX8998_LDO14, &aquila_ldo14_data },
        { MAX8998_LDO15, &aquila_ldo15_data },
        { MAX8998_LDO16, &aquila_ldo16_data },
        { MAX8998_LDO17, &aquila_ldo17_data },
        { MAX8998_BUCK1, &aquila_buck1_data },
        { MAX8998_BUCK2, &aquila_buck2_data },
        { MAX8998_BUCK3, &aquila_buck3_data },
        { MAX8998_BUCK4, &aquila_buck4_data },
};

static struct max8998_platform_data aquila_max8998_pdata = {
        .num_regulators = ARRAY_SIZE(aquila_regulators),
        .regulators     = aquila_regulators,
        .buck1_set1     = S5PV210_GPH0(3),
        .buck1_set2     = S5PV210_GPH0(4),
        .buck2_set3     = S5PV210_GPH0(5),
        .buck1_voltage1 = 1200000,
        .buck1_voltage2 = 1200000,
        .buck1_voltage3 = 1200000,
        .buck1_voltage4 = 1200000,
        .buck2_voltage1 = 1200000,
        .buck2_voltage2 = 1200000,
};
#endif

static struct regulator_consumer_supply wm8994_fixed_voltage0_supplies[] = {
        REGULATOR_SUPPLY("DBVDD", "5-001a"),
        REGULATOR_SUPPLY("AVDD2", "5-001a"),
        REGULATOR_SUPPLY("CPVDD", "5-001a"),
};

static struct regulator_consumer_supply wm8994_fixed_voltage1_supplies[] = {
        REGULATOR_SUPPLY("SPKVDD1", "5-001a"),
        REGULATOR_SUPPLY("SPKVDD2", "5-001a"),
};

static struct regulator_init_data wm8994_fixed_voltage0_init_data = {
        .constraints = {
                .always_on = 1,
        },
        .num_consumer_supplies  = ARRAY_SIZE(wm8994_fixed_voltage0_supplies),
        .consumer_supplies      = wm8994_fixed_voltage0_supplies,
};

static struct regulator_init_data wm8994_fixed_voltage1_init_data = {
        .constraints = {
                .always_on = 1,
        },
        .num_consumer_supplies  = ARRAY_SIZE(wm8994_fixed_voltage1_supplies),
        .consumer_supplies      = wm8994_fixed_voltage1_supplies,
};

static struct fixed_voltage_config wm8994_fixed_voltage0_config = {
        .supply_name    = "VCC_1.8V_PDA",
        .microvolts     = 1800000,
        .gpio           = -EINVAL,
        .init_data      = &wm8994_fixed_voltage0_init_data,
};

static struct fixed_voltage_config wm8994_fixed_voltage1_config = {
        .supply_name    = "V_BAT",
        .microvolts     = 3700000,
        .gpio           = -EINVAL,
        .init_data      = &wm8994_fixed_voltage1_init_data,
};

static struct platform_device wm8994_fixed_voltage0 = {
        .name           = "reg-fixed-voltage",
        .id             = 0,
        .dev            = {
                .platform_data  = &wm8994_fixed_voltage0_config,
        },
};

static struct platform_device wm8994_fixed_voltage1 = {
        .name           = "reg-fixed-voltage",
        .id             = 1,
        .dev            = {
                .platform_data  = &wm8994_fixed_voltage1_config,
        },
};

static struct regulator_consumer_supply wm8994_avdd1_supply =
        REGULATOR_SUPPLY("AVDD1", "5-001a");

static struct regulator_consumer_supply wm8994_dcvdd_supply =
        REGULATOR_SUPPLY("DCVDD", "5-001a");

static struct regulator_init_data wm8994_ldo1_data = {
        .constraints    = {
                .name           = "AVDD1_3.0V",
                .valid_ops_mask = REGULATOR_CHANGE_STATUS,
        },
        .num_consumer_supplies  = 1,
        .consumer_supplies      = &wm8994_avdd1_supply,
};

static struct regulator_init_data wm8994_ldo2_data = {
        .constraints    = {
                .name           = "DCVDD_1.0V",
        },
        .num_consumer_supplies  = 1,
        .consumer_supplies      = &wm8994_dcvdd_supply,
};

static struct wm8994_pdata wm8994_platform_data = {
        /* configure gpio1 function: 0x0001(Logic level input/output) */
        .gpio_defaults[0] = 0x0001,
        /* configure gpio3/4/5/7 function for AIF2 voice */
        .gpio_defaults[2] = 0x8100,
        .gpio_defaults[3] = 0x8100,
        .gpio_defaults[4] = 0x8100,
        .gpio_defaults[6] = 0x0100,
        /* configure gpio8/9/10/11 function for AIF3 BT */
        .gpio_defaults[7] = 0x8100,
        .gpio_defaults[8] = 0x0100,
        .gpio_defaults[9] = 0x0100,
        .gpio_defaults[10] = 0x0100,
        .ldo[0] = { S5PV210_MP03(6), NULL, &wm8994_ldo1_data }, /* XM0FRNB_2 */
        .ldo[1] = { 0, NULL, &wm8994_ldo2_data },
};

/* GPIO I2C PMIC */
#define AP_I2C_GPIO_PMIC_BUS_4  4
static struct i2c_gpio_platform_data aquila_i2c_gpio_pmic_data = {
        .sda_pin        = S5PV210_GPJ4(0),      /* XMSMCSN */
        .scl_pin        = S5PV210_GPJ4(3),      /* XMSMIRQN */
};

static struct platform_device aquila_i2c_gpio_pmic = {
        .name           = "i2c-gpio",
        .id             = AP_I2C_GPIO_PMIC_BUS_4,
        .dev            = {
                .platform_data = &aquila_i2c_gpio_pmic_data,
        },
};

static struct i2c_board_info i2c_gpio_pmic_devs[] __initdata = {
#if defined(CONFIG_REGULATOR_MAX8998) || defined(CONFIG_REGULATOR_MAX8998_MODULE)
        {
                /* 0xCC when SRAD = 0 */
                I2C_BOARD_INFO("max8998", 0xCC >> 1),
                .platform_data = &aquila_max8998_pdata,
        },
#endif
};

/* GPIO I2C AP 1.8V */
#define AP_I2C_GPIO_BUS_5       5
static struct i2c_gpio_platform_data aquila_i2c_gpio5_data = {
        .sda_pin        = S5PV210_MP05(3),      /* XM0ADDR_11 */
        .scl_pin        = S5PV210_MP05(2),      /* XM0ADDR_10 */
};

static struct platform_device aquila_i2c_gpio5 = {
        .name           = "i2c-gpio",
        .id             = AP_I2C_GPIO_BUS_5,
        .dev            = {
                .platform_data  = &aquila_i2c_gpio5_data,
        },
};

static struct i2c_board_info i2c_gpio5_devs[] __initdata = {
        {
                /* CS/ADDR = low 0x34 (FYI: high = 0x36) */
                I2C_BOARD_INFO("wm8994", 0x1a),
                .platform_data  = &wm8994_platform_data,
        },
};

/* PMIC Power button */
static struct gpio_keys_button aquila_gpio_keys_table[] = {
        {
                .code           = KEY_POWER,
                .gpio           = S5PV210_GPH2(6),
                .desc           = "gpio-keys: KEY_POWER",
                .type           = EV_KEY,
                .active_low     = 1,
                .wakeup         = 1,
                .debounce_interval = 1,
        },
};

static struct gpio_keys_platform_data aquila_gpio_keys_data = {
        .buttons        = aquila_gpio_keys_table,
        .nbuttons       = ARRAY_SIZE(aquila_gpio_keys_table),
};

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

static void __init aquila_pmic_init(void)
{
        /* AP_PMIC_IRQ: EINT7 */
        s3c_gpio_cfgpin(S5PV210_GPH0(7), S3C_GPIO_SFN(0xf));
        s3c_gpio_setpull(S5PV210_GPH0(7), S3C_GPIO_PULL_UP);

        /* nPower: EINT22 */
        s3c_gpio_cfgpin(S5PV210_GPH2(6), S3C_GPIO_SFN(0xf));
        s3c_gpio_setpull(S5PV210_GPH2(6), S3C_GPIO_PULL_UP);
}

/* MoviNAND */
static struct s3c_sdhci_platdata aquila_hsmmc0_data __initdata = {
        .max_width              = 4,
        .cd_type                = S3C_SDHCI_CD_PERMANENT,
};

/* Wireless LAN */
static struct s3c_sdhci_platdata aquila_hsmmc1_data __initdata = {
        .max_width              = 4,
        .cd_type                = S3C_SDHCI_CD_EXTERNAL,
        /* ext_cd_{init,cleanup} callbacks will be added later */
};

/* External Flash */
#define AQUILA_EXT_FLASH_EN     S5PV210_MP05(4)
#define AQUILA_EXT_FLASH_CD     S5PV210_GPH3(4)
static struct s3c_sdhci_platdata aquila_hsmmc2_data __initdata = {
        .max_width              = 4,
        .cd_type                = S3C_SDHCI_CD_GPIO,
        .ext_cd_gpio            = AQUILA_EXT_FLASH_CD,
        .ext_cd_gpio_invert     = 1,
};

static void aquila_setup_sdhci(void)
{
        gpio_request(AQUILA_EXT_FLASH_EN, "FLASH_EN");
        gpio_direction_output(AQUILA_EXT_FLASH_EN, 1);

        s3c_sdhci0_set_platdata(&aquila_hsmmc0_data);
        s3c_sdhci1_set_platdata(&aquila_hsmmc1_data);
        s3c_sdhci2_set_platdata(&aquila_hsmmc2_data);
};

static struct platform_device *aquila_devices[] __initdata = {
        &aquila_i2c_gpio_pmic,
        &aquila_i2c_gpio5,
        &aquila_device_gpiokeys,
        &s3c_device_fb,
        &s5p_device_onenand,
        &s3c_device_hsmmc0,
        &s3c_device_hsmmc1,
        &s3c_device_hsmmc2,
        &s5p_device_fimc0,
        &s5p_device_fimc1,
        &s5p_device_fimc2,
        &s5pv210_device_iis0,
        &wm8994_fixed_voltage0,
        &wm8994_fixed_voltage1,
};

static void __init aquila_sound_init(void)
{
        unsigned int gpio;

        /* CODEC_XTAL_EN
         *
         * The Aquila board have a oscillator which provide main clock
         * to WM8994 codec. The oscillator provide 24MHz clock to WM8994
         * clock. Set gpio setting of "CODEC_XTAL_EN" to enable a oscillator.
         * */
        gpio = S5PV210_GPH3(2);         /* XEINT_26 */
        gpio_request(gpio, "CODEC_XTAL_EN");
        s3c_gpio_cfgpin(gpio, S3C_GPIO_OUTPUT);
        s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);

        /* Ths main clock of WM8994 codec uses the output of CLKOUT pin.
         * The CLKOUT[9:8] set to 0x3(XUSBXTI) of 0xE010E000(OTHERS)
         * because it needs 24MHz clock to operate WM8994 codec.
         */
        __raw_writel(__raw_readl(S5P_OTHERS) | (0x3 << 8), S5P_OTHERS);
}

static void __init aquila_map_io(void)
{
        s5p_init_io(NULL, 0, S5P_VA_CHIPID);
        s3c24xx_init_clocks(24000000);
        s3c24xx_init_uarts(aquila_uartcfgs, ARRAY_SIZE(aquila_uartcfgs));
        s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
}

static void __init aquila_machine_init(void)
{
        /* PMIC */
        aquila_pmic_init();
        i2c_register_board_info(AP_I2C_GPIO_PMIC_BUS_4, i2c_gpio_pmic_devs,
                        ARRAY_SIZE(i2c_gpio_pmic_devs));
        /* SDHCI */
        aquila_setup_sdhci();

        s3c_fimc_setname(0, "s5p-fimc");
        s3c_fimc_setname(1, "s5p-fimc");
        s3c_fimc_setname(2, "s5p-fimc");

        /* SOUND */
        aquila_sound_init();
        i2c_register_board_info(AP_I2C_GPIO_BUS_5, i2c_gpio5_devs,
                        ARRAY_SIZE(i2c_gpio5_devs));

        /* FB */
        s3c_fb_set_platdata(&aquila_lcd_pdata);

        platform_add_devices(aquila_devices, ARRAY_SIZE(aquila_devices));
}

MACHINE_START(AQUILA, "Aquila")
        /* Maintainers:
           Marek Szyprowski <m.szyprowski@samsung.com>
           Kyungmin Park <kyungmin.park@samsung.com> */
        .atag_offset    = 0x100,
        .init_irq       = s5pv210_init_irq,
        .map_io         = aquila_map_io,
        .init_machine   = aquila_machine_init,
        .timer          = &s5p_timer,
MACHINE_END