// SPDX-License-Identifier: GPL-2.0
//
// Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com>
//      Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk>
//      and modifications by SBZ <sbz@spgui.org> and
//      Weibing <http://weibing.blogbus.com> and
//      Michel Pollet <buserror@gmail.com>
//
// For product information, visit https://code.google.com/p/mini2440/

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/gpio/machine.h>
#include <linux/input.h>
#include <linux/io.h>
#include <linux/serial_core.h>
#include <linux/serial_s3c.h>
#include <linux/dm9000.h>
#include <linux/property.h>
#include <linux/platform_device.h>
#include <linux/gpio_keys.h>
#include <linux/i2c.h>
#include <linux/mmc/host.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include <linux/platform_data/fb-s3c2410.h>
#include <asm/mach-types.h>

#include "regs-gpio.h"
#include <linux/platform_data/leds-s3c24xx.h>
#include <mach/irqs.h>
#include "gpio-samsung.h"
#include <linux/platform_data/mtd-nand-s3c2410.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <linux/platform_data/mmc-s3cmci.h>
#include <linux/platform_data/usb-s3c2410_udc.h>

#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>

#include "gpio-cfg.h"
#include "devs.h"
#include "cpu.h"

#include <sound/s3c24xx_uda134x.h>

#include "s3c24xx.h"

#define MACH_MINI2440_DM9K_BASE (S3C2410_CS4 + 0x300)

static struct map_desc mini2440_iodesc[] __initdata = {
        /* nothing to declare, move along */
};

#define UCON S3C2410_UCON_DEFAULT
#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)


static struct s3c2410_uartcfg mini2440_uartcfgs[] __initdata = {
        [0] = {
                .hwport         = 0,
                .flags          = 0,
                .ucon           = UCON,
                .ulcon          = ULCON,
                .ufcon          = UFCON,
        },
        [1] = {
                .hwport         = 1,
                .flags          = 0,
                .ucon           = UCON,
                .ulcon          = ULCON,
                .ufcon          = UFCON,
        },
        [2] = {
                .hwport         = 2,
                .flags          = 0,
                .ucon           = UCON,
                .ulcon          = ULCON,
                .ufcon          = UFCON,
        },
};

/* USB device UDC support */

static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = {
        .pullup_pin = S3C2410_GPC(5),
};


/* LCD timing and setup */

/*
 * This macro simplifies the table bellow
 */
#define _LCD_DECLARE(_clock, _xres, margin_left, margin_right, hsync, \
                        _yres, margin_top, margin_bottom, vsync, refresh) \
        .width = _xres, \
        .xres = _xres, \
        .height = _yres, \
        .yres = _yres, \
        .left_margin    = margin_left,  \
        .right_margin   = margin_right, \
        .upper_margin   = margin_top,   \
        .lower_margin   = margin_bottom,        \
        .hsync_len      = hsync,        \
        .vsync_len      = vsync,        \
        .pixclock       = ((_clock*100000000000LL) /    \
                           ((refresh) * \
                           (hsync + margin_left + _xres + margin_right) * \
                           (vsync + margin_top + _yres + margin_bottom))), \
        .bpp            = 16,\
        .type           = (S3C2410_LCDCON1_TFT16BPP |\
                           S3C2410_LCDCON1_TFT)

static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = {
        [0] = { /* mini2440 + 3.5" TFT + touchscreen */
                _LCD_DECLARE(
                        7,                      /* The 3.5 is quite fast */
                        240, 21, 38, 6,         /* x timing */
                        320, 4, 4, 2,           /* y timing */
                        60),                    /* refresh rate */
                .lcdcon5        = (S3C2410_LCDCON5_FRM565 |
                                   S3C2410_LCDCON5_INVVLINE |
                                   S3C2410_LCDCON5_INVVFRAME |
                                   S3C2410_LCDCON5_INVVDEN |
                                   S3C2410_LCDCON5_PWREN),
        },
        [1] = { /* mini2440 + 7" TFT + touchscreen */
                _LCD_DECLARE(
                        10,                     /* the 7" runs slower */
                        800, 40, 40, 48,        /* x timing */
                        480, 29, 3, 3,          /* y timing */
                        50),                    /* refresh rate */
                .lcdcon5        = (S3C2410_LCDCON5_FRM565 |
                                   S3C2410_LCDCON5_INVVLINE |
                                   S3C2410_LCDCON5_INVVFRAME |
                                   S3C2410_LCDCON5_PWREN),
        },
        /* The VGA shield can outout at several resolutions. All share
         * the same timings, however, anything smaller than 1024x768
         * will only be displayed in the top left corner of a 1024x768
         * XGA output unless you add optional dip switches to the shield.
         * Therefore timings for other resolutions have been omitted here.
         */
        [2] = {
                _LCD_DECLARE(
                        10,
                        1024, 1, 2, 2,          /* y timing */
                        768, 200, 16, 16,       /* x timing */
                        24),    /* refresh rate, maximum stable,
                                 * tested with the FPGA shield
                                 */
                .lcdcon5        = (S3C2410_LCDCON5_FRM565 |
                                   S3C2410_LCDCON5_HWSWP),
        },
        /* mini2440 + 3.5" TFT (LCD-W35i, LQ035Q1DG06 type) + touchscreen*/
        [3] = {
                _LCD_DECLARE(
                        /* clock */
                        7,
                        /* xres, margin_right, margin_left, hsync */
                        320, 68, 66, 4,
                        /* yres, margin_top, margin_bottom, vsync */
                        240, 4, 4, 9,
                        /* refresh rate */
                        60),
                .lcdcon5        = (S3C2410_LCDCON5_FRM565 |
                                   S3C2410_LCDCON5_INVVDEN |
                                   S3C2410_LCDCON5_INVVFRAME |
                                   S3C2410_LCDCON5_INVVLINE |
                                   S3C2410_LCDCON5_INVVCLK |
                                   S3C2410_LCDCON5_HWSWP),
        },
};

/* todo - put into gpio header */

#define S3C2410_GPCCON_MASK(x)  (3 << ((x) * 2))
#define S3C2410_GPDCON_MASK(x)  (3 << ((x) * 2))

static struct s3c2410fb_mach_info mini2440_fb_info __initdata = {
        .displays        = &mini2440_lcd_cfg[0], /* not constant! see init */
        .num_displays    = 1,
        .default_display = 0,

        /* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN
         * and disable the pull down resistors on pins we are using for LCD
         * data.
         */

        .gpcup          = (0xf << 1) | (0x3f << 10),

        .gpccon         = (S3C2410_GPC1_VCLK   | S3C2410_GPC2_VLINE |
                           S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM |
                           S3C2410_GPC10_VD2   | S3C2410_GPC11_VD3 |
                           S3C2410_GPC12_VD4   | S3C2410_GPC13_VD5 |
                           S3C2410_GPC14_VD6   | S3C2410_GPC15_VD7),

        .gpccon_mask    = (S3C2410_GPCCON_MASK(1)  | S3C2410_GPCCON_MASK(2)  |
                           S3C2410_GPCCON_MASK(3)  | S3C2410_GPCCON_MASK(4)  |
                           S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) |
                           S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) |
                           S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)),

        .gpccon_reg     = S3C2410_GPCCON,
        .gpcup_reg      = S3C2410_GPCUP,

        .gpdup          = (0x3f << 2) | (0x3f << 10),

        .gpdcon         = (S3C2410_GPD2_VD10  | S3C2410_GPD3_VD11 |
                           S3C2410_GPD4_VD12  | S3C2410_GPD5_VD13 |
                           S3C2410_GPD6_VD14  | S3C2410_GPD7_VD15 |
                           S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 |
                           S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 |
                           S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23),

        .gpdcon_mask    = (S3C2410_GPDCON_MASK(2)  | S3C2410_GPDCON_MASK(3) |
                           S3C2410_GPDCON_MASK(4)  | S3C2410_GPDCON_MASK(5) |
                           S3C2410_GPDCON_MASK(6)  | S3C2410_GPDCON_MASK(7) |
                           S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)|
                           S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)|
                           S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)),

        .gpdcon_reg     = S3C2410_GPDCON,
        .gpdup_reg      = S3C2410_GPDUP,
};

/* MMC/SD  */

static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = {
        .wprotect_invert        = 1,
        .set_power              = s3c24xx_mci_def_set_power,
        .ocr_avail              = MMC_VDD_32_33|MMC_VDD_33_34,
};

static struct gpiod_lookup_table mini2440_mmc_gpio_table = {
        .dev_id = "s3c2410-sdi",
        .table = {
                /* Card detect S3C2410_GPG(8) */
                GPIO_LOOKUP("GPIOG", 8, "cd", GPIO_ACTIVE_LOW),
                /* Write protect S3C2410_GPH(8) */
                GPIO_LOOKUP("GPIOH", 8, "wp", GPIO_ACTIVE_HIGH),
                /* bus pins */
                GPIO_LOOKUP_IDX("GPIOE",  5, "bus", 0, GPIO_ACTIVE_HIGH),
                GPIO_LOOKUP_IDX("GPIOE",  6, "bus", 1, GPIO_ACTIVE_HIGH),
                GPIO_LOOKUP_IDX("GPIOE",  7, "bus", 2, GPIO_ACTIVE_HIGH),
                GPIO_LOOKUP_IDX("GPIOE",  8, "bus", 3, GPIO_ACTIVE_HIGH),
                GPIO_LOOKUP_IDX("GPIOE",  9, "bus", 4, GPIO_ACTIVE_HIGH),
                GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH),
                { },
        },
};

/* NAND Flash on MINI2440 board */

static struct mtd_partition mini2440_default_nand_part[] __initdata = {
        [0] = {
                .name   = "u-boot",
                .size   = SZ_256K,
                .offset = 0,
        },
        [1] = {
                .name   = "u-boot-env",
                .size   = SZ_128K,
                .offset = SZ_256K,
        },
        [2] = {
                .name   = "kernel",
                /* 5 megabytes, for a kernel with no modules
                 * or a uImage with a ramdisk attached
                 */
                .size   = 0x00500000,
                .offset = SZ_256K + SZ_128K,
        },
        [3] = {
                .name   = "root",
                .offset = SZ_256K + SZ_128K + 0x00500000,
                .size   = MTDPART_SIZ_FULL,
        },
};

static struct s3c2410_nand_set mini2440_nand_sets[] __initdata = {
        [0] = {
                .name           = "nand",
                .nr_chips       = 1,
                .nr_partitions  = ARRAY_SIZE(mini2440_default_nand_part),
                .partitions     = mini2440_default_nand_part,
                .flash_bbt      = 1, /* we use u-boot to create a BBT */
        },
};

static struct s3c2410_platform_nand mini2440_nand_info __initdata = {
        .tacls          = 0,
        .twrph0         = 25,
        .twrph1         = 15,
        .nr_sets        = ARRAY_SIZE(mini2440_nand_sets),
        .sets           = mini2440_nand_sets,
        .ignore_unset_ecc = 1,
        .engine_type    = NAND_ECC_ENGINE_TYPE_ON_HOST,
};

/* DM9000AEP 10/100 ethernet controller */

static struct resource mini2440_dm9k_resource[] = {
        [0] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE, 4),
        [1] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE + 4, 4),
        [2] = DEFINE_RES_NAMED(IRQ_EINT7, 1, NULL, IORESOURCE_IRQ
                                                | IORESOURCE_IRQ_HIGHEDGE),
};

/*
 * The DM9000 has no eeprom, and it's MAC address is set by
 * the bootloader before starting the kernel.
 */
static struct dm9000_plat_data mini2440_dm9k_pdata = {
        .flags          = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
};

static struct platform_device mini2440_device_eth = {
        .name           = "dm9000",
        .id             = -1,
        .num_resources  = ARRAY_SIZE(mini2440_dm9k_resource),
        .resource       = mini2440_dm9k_resource,
        .dev            = {
                .platform_data  = &mini2440_dm9k_pdata,
        },
};

/*  CON5
 *      +--+     /-----\
 *      |  |    |       |
 *      |  |    |  BAT  |
 *      |  |     \_____/
 *      |  |
 *      |  |  +----+  +----+
 *      |  |  | K5 |  | K1 |
 *      |  |  +----+  +----+
 *      |  |  +----+  +----+
 *      |  |  | K4 |  | K2 |
 *      |  |  +----+  +----+
 *      |  |  +----+  +----+
 *      |  |  | K6 |  | K3 |
 *      |  |  +----+  +----+
 *        .....
 */
static struct gpio_keys_button mini2440_buttons[] = {
        {
                .gpio           = S3C2410_GPG(0),               /* K1 */
                .code           = KEY_F1,
                .desc           = "Button 1",
                .active_low     = 1,
        },
        {
                .gpio           = S3C2410_GPG(3),               /* K2 */
                .code           = KEY_F2,
                .desc           = "Button 2",
                .active_low     = 1,
        },
        {
                .gpio           = S3C2410_GPG(5),               /* K3 */
                .code           = KEY_F3,
                .desc           = "Button 3",
                .active_low     = 1,
        },
        {
                .gpio           = S3C2410_GPG(6),               /* K4 */
                .code           = KEY_POWER,
                .desc           = "Power",
                .active_low     = 1,
        },
        {
                .gpio           = S3C2410_GPG(7),               /* K5 */
                .code           = KEY_F5,
                .desc           = "Button 5",
                .active_low     = 1,
        },
#if 0
        /* this pin is also known as TCLK1 and seems to already
         * marked as "in use" somehow in the kernel -- possibly wrongly
         */
        {
                .gpio           = S3C2410_GPG(11),      /* K6 */
                .code           = KEY_F6,
                .desc           = "Button 6",
                .active_low     = 1,
        },
#endif
};

static struct gpio_keys_platform_data mini2440_button_data = {
        .buttons        = mini2440_buttons,
        .nbuttons       = ARRAY_SIZE(mini2440_buttons),
};

static struct platform_device mini2440_button_device = {
        .name           = "gpio-keys",
        .id             = -1,
        .dev            = {
                .platform_data  = &mini2440_button_data,
        }
};

/* LEDS */

static struct gpiod_lookup_table mini2440_led1_gpio_table = {
        .dev_id = "s3c24xx_led.1",
        .table = {
                GPIO_LOOKUP("GPB", 5, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
                { },
        },
};

static struct gpiod_lookup_table mini2440_led2_gpio_table = {
        .dev_id = "s3c24xx_led.2",
        .table = {
                GPIO_LOOKUP("GPB", 6, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
                { },
        },
};

static struct gpiod_lookup_table mini2440_led3_gpio_table = {
        .dev_id = "s3c24xx_led.3",
        .table = {
                GPIO_LOOKUP("GPB", 7, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
                { },
        },
};

static struct gpiod_lookup_table mini2440_led4_gpio_table = {
        .dev_id = "s3c24xx_led.4",
        .table = {
                GPIO_LOOKUP("GPB", 8, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
                { },
        },
};

static struct gpiod_lookup_table mini2440_backlight_gpio_table = {
        .dev_id = "s3c24xx_led.5",
        .table = {
                GPIO_LOOKUP("GPG", 4, NULL, GPIO_ACTIVE_HIGH),
                { },
        },
};

static struct s3c24xx_led_platdata mini2440_led1_pdata = {
        .name           = "led1",
        .def_trigger    = "heartbeat",
};

static struct s3c24xx_led_platdata mini2440_led2_pdata = {
        .name           = "led2",
        .def_trigger    = "nand-disk",
};

static struct s3c24xx_led_platdata mini2440_led3_pdata = {
        .name           = "led3",
        .def_trigger    = "mmc0",
};

static struct s3c24xx_led_platdata mini2440_led4_pdata = {
        .name           = "led4",
        .def_trigger    = "",
};

static struct s3c24xx_led_platdata mini2440_led_backlight_pdata = {
        .name           = "backlight",
        .def_trigger    = "backlight",
};

static struct platform_device mini2440_led1 = {
        .name           = "s3c24xx_led",
        .id             = 1,
        .dev            = {
                .platform_data  = &mini2440_led1_pdata,
        },
};

static struct platform_device mini2440_led2 = {
        .name           = "s3c24xx_led",
        .id             = 2,
        .dev            = {
                .platform_data  = &mini2440_led2_pdata,
        },
};

static struct platform_device mini2440_led3 = {
        .name           = "s3c24xx_led",
        .id             = 3,
        .dev            = {
                .platform_data  = &mini2440_led3_pdata,
        },
};

static struct platform_device mini2440_led4 = {
        .name           = "s3c24xx_led",
        .id             = 4,
        .dev            = {
                .platform_data  = &mini2440_led4_pdata,
        },
};

static struct platform_device mini2440_led_backlight = {
        .name           = "s3c24xx_led",
        .id             = 5,
        .dev            = {
                .platform_data  = &mini2440_led_backlight_pdata,
        },
};

/* AUDIO */

static struct s3c24xx_uda134x_platform_data mini2440_audio_pins = {
        .l3_clk = S3C2410_GPB(4),
        .l3_mode = S3C2410_GPB(2),
        .l3_data = S3C2410_GPB(3),
        .model = UDA134X_UDA1341
};

static struct platform_device mini2440_audio = {
        .name           = "s3c24xx_uda134x",
        .id             = 0,
        .dev            = {
                .platform_data  = &mini2440_audio_pins,
        },
};

/*
 * I2C devices
 */
static const struct property_entry mini2440_at24_properties[] = {
        PROPERTY_ENTRY_U32("pagesize", 16),
        { }
};

static const struct software_node mini2440_at24_node = {
        .properties = mini2440_at24_properties,
};

static struct i2c_board_info mini2440_i2c_devs[] __initdata = {
        {
                I2C_BOARD_INFO("24c08", 0x50),
                .swnode = &mini2440_at24_node,
        },
};

static struct uda134x_platform_data s3c24xx_uda134x = {
        .l3 = {
                .gpio_clk = S3C2410_GPB(4),
                .gpio_data = S3C2410_GPB(3),
                .gpio_mode = S3C2410_GPB(2),
                .use_gpios = 1,
                .data_hold = 1,
                .data_setup = 1,
                .clock_high = 1,
                .mode_hold = 1,
                .mode = 1,
                .mode_setup = 1,
        },
        .model = UDA134X_UDA1341,
};

static struct platform_device uda1340_codec = {
                .name = "uda134x-codec",
                .id = -1,
                .dev = {
                        .platform_data  = &s3c24xx_uda134x,
                },
};

static struct platform_device *mini2440_devices[] __initdata = {
        &s3c_device_ohci,
        &s3c_device_wdt,
        &s3c_device_i2c0,
        &s3c_device_rtc,
        &s3c_device_usbgadget,
        &mini2440_device_eth,
        &mini2440_led1,
        &mini2440_led2,
        &mini2440_led3,
        &mini2440_led4,
        &mini2440_button_device,
        &s3c_device_nand,
        &s3c_device_sdi,
        &s3c2440_device_dma,
        &s3c_device_iis,
        &uda1340_codec,
        &mini2440_audio,
};

static void __init mini2440_map_io(void)
{
        s3c24xx_init_io(mini2440_iodesc, ARRAY_SIZE(mini2440_iodesc));
        s3c24xx_init_uarts(mini2440_uartcfgs, ARRAY_SIZE(mini2440_uartcfgs));
        s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
}

static void __init mini2440_init_time(void)
{
        s3c2440_init_clocks(12000000);
        s3c24xx_timer_init();
}

/*
 * mini2440_features string
 *
 * t = Touchscreen present
 * b = backlight control
 * c = camera [TODO]
 * 0-9 LCD configuration
 *
 */
static char mini2440_features_str[12] __initdata = "0tb";

static int __init mini2440_features_setup(char *str)
{
        if (str)
                strlcpy(mini2440_features_str, str,
                        sizeof(mini2440_features_str));
        return 1;
}

__setup("mini2440=", mini2440_features_setup);

#define FEATURE_SCREEN (1 << 0)
#define FEATURE_BACKLIGHT (1 << 1)
#define FEATURE_TOUCH (1 << 2)
#define FEATURE_CAMERA (1 << 3)

struct mini2440_features_t {
        int count;
        int done;
        int lcd_index;
        struct platform_device *optional[8];
};

static void __init mini2440_parse_features(
                struct mini2440_features_t *features,
                const char *features_str)
{
        const char *fp = features_str;

        features->count = 0;
        features->done = 0;
        features->lcd_index = -1;

        while (*fp) {
                char f = *fp++;

                switch (f) {
                case '0'...'9': /* tft screen */
                        if (features->done & FEATURE_SCREEN) {
                                pr_info("MINI2440: '%c' ignored, screen type already set\n",
                                        f);
                        } else {
                                int li = f - '0';

                                if (li >= ARRAY_SIZE(mini2440_lcd_cfg))
                                        pr_info("MINI2440: '%c' out of range LCD mode\n",
                                                f);
                                else {
                                        features->optional[features->count++] =
                                                        &s3c_device_lcd;
                                        features->lcd_index = li;
                                }
                        }
                        features->done |= FEATURE_SCREEN;
                        break;
                case 'b':
                        if (features->done & FEATURE_BACKLIGHT)
                                pr_info("MINI2440: '%c' ignored, backlight already set\n",
                                        f);
                        else {
                                features->optional[features->count++] =
                                                &mini2440_led_backlight;
                        }
                        features->done |= FEATURE_BACKLIGHT;
                        break;
                case 't':
                        pr_info("MINI2440: '%c' ignored, touchscreen not compiled in\n",
                                f);
                        break;
                case 'c':
                        if (features->done & FEATURE_CAMERA)
                                pr_info("MINI2440: '%c' ignored, camera already registered\n",
                                        f);
                        else
                                features->optional[features->count++] =
                                        &s3c_device_camif;
                        features->done |= FEATURE_CAMERA;
                        break;
                }
        }
}

static void __init mini2440_init(void)
{
        struct mini2440_features_t features = { 0 };
        int i;

        pr_info("MINI2440: Option string mini2440=%s\n",
                        mini2440_features_str);

        /* Parse the feature string */
        mini2440_parse_features(&features, mini2440_features_str);

        /* turn LCD on */
        s3c_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND);

        /* Turn the backlight early on */
        WARN_ON(gpio_request_one(S3C2410_GPG(4), GPIOF_OUT_INIT_HIGH, NULL));
        gpio_free(S3C2410_GPG(4));

        /* remove pullup on optional PWM backlight -- unused on 3.5 and 7"s */
        gpio_request_one(S3C2410_GPB(1), GPIOF_IN, NULL);
        s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_UP);
        gpio_free(S3C2410_GPB(1));

        /* mark the key as input, without pullups (there is one on the board) */
        for (i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) {
                s3c_gpio_setpull(mini2440_buttons[i].gpio, S3C_GPIO_PULL_UP);
                s3c_gpio_cfgpin(mini2440_buttons[i].gpio, S3C2410_GPIO_INPUT);
        }

        /* Configure the I2S pins (GPE0...GPE4) in correct mode */
        s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
                              S3C_GPIO_PULL_NONE);

        if (features.lcd_index != -1) {
                int li;

                mini2440_fb_info.displays =
                        &mini2440_lcd_cfg[features.lcd_index];

                pr_info("MINI2440: LCD");
                for (li = 0; li < ARRAY_SIZE(mini2440_lcd_cfg); li++)
                        if (li == features.lcd_index)
                                pr_cont(" [%d:%dx%d]", li,
                                        mini2440_lcd_cfg[li].width,
                                        mini2440_lcd_cfg[li].height);
                        else
                                pr_cont(" %d:%dx%d", li,
                                        mini2440_lcd_cfg[li].width,
                                        mini2440_lcd_cfg[li].height);
                pr_cont("\n");
                s3c24xx_fb_set_platdata(&mini2440_fb_info);
        }

        s3c24xx_udc_set_platdata(&mini2440_udc_cfg);
        gpiod_add_lookup_table(&mini2440_mmc_gpio_table);
        s3c24xx_mci_set_platdata(&mini2440_mmc_cfg);
        s3c_nand_set_platdata(&mini2440_nand_info);
        s3c_i2c0_set_platdata(NULL);

        i2c_register_board_info(0, mini2440_i2c_devs,
                                ARRAY_SIZE(mini2440_i2c_devs));

        /* Disable pull-up on the LED lines */
        s3c_gpio_setpull(S3C2410_GPB(5), S3C_GPIO_PULL_NONE);
        s3c_gpio_setpull(S3C2410_GPB(6), S3C_GPIO_PULL_NONE);
        s3c_gpio_setpull(S3C2410_GPB(7), S3C_GPIO_PULL_NONE);
        s3c_gpio_setpull(S3C2410_GPB(8), S3C_GPIO_PULL_NONE);
        s3c_gpio_setpull(S3C2410_GPG(4), S3C_GPIO_PULL_NONE);

        /* Add lookups for the lines */
        gpiod_add_lookup_table(&mini2440_led1_gpio_table);
        gpiod_add_lookup_table(&mini2440_led2_gpio_table);
        gpiod_add_lookup_table(&mini2440_led3_gpio_table);
        gpiod_add_lookup_table(&mini2440_led4_gpio_table);
        gpiod_add_lookup_table(&mini2440_backlight_gpio_table);

        platform_add_devices(mini2440_devices, ARRAY_SIZE(mini2440_devices));

        if (features.count)     /* the optional features */
                platform_add_devices(features.optional, features.count);

}


MACHINE_START(MINI2440, "MINI2440")
        /* Maintainer: Michel Pollet <buserror@gmail.com> */
        .atag_offset    = 0x100,
        .map_io         = mini2440_map_io,
        .init_machine   = mini2440_init,
        .init_irq       = s3c2440_init_irq,
        .init_time      = mini2440_init_time,
MACHINE_END