// SPDX-License-Identifier: GPL-2.0-only
/*
 * Support for Sharp SL-Cxx00 Series of PDAs
 * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
 *
 * Copyright (c) 2005 Richard Purdie
 *
 * Based on Sharp's 2.4 kernel patches/lubbock.c
 */

#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/gpio_keys.h>
#include <linux/gpio.h>
#include <linux/gpio/machine.h>
#include <linux/gpio/property.h>
#include <linux/leds.h>
#include <linux/i2c.h>
#include <linux/platform_data/i2c-pxa.h>
#include <linux/platform_data/pca953x.h>
#include <linux/property.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/spi/corgi_lcd.h>
#include <linux/mtd/sharpsl.h>
#include <linux/mtd/physmap.h>
#include <linux/input-event-codes.h>
#include <linux/input/matrix_keypad.h>
#include <linux/regulator/machine.h>
#include <linux/io.h>
#include <linux/property.h>
#include <linux/reboot.h>
#include <linux/memblock.h>

#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/sharpsl_param.h>
#include <asm/hardware/scoop.h>

#include "pxa27x.h"
#include "pxa27x-udc.h"
#include "reset.h"
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include <linux/platform_data/video-pxafb.h>
#include "spitz.h"
#include "sharpsl_pm.h"
#include "smemc.h"

#include "generic.h"
#include "devices.h"

/******************************************************************************
 * Pin configuration
 ******************************************************************************/
static unsigned long spitz_pin_config[] __initdata = {
        /* Chip Selects */
        GPIO78_nCS_2,   /* SCOOP #2 */
        GPIO79_nCS_3,   /* NAND */
        GPIO80_nCS_4,   /* SCOOP #1 */

        /* LCD - 16bpp Active TFT */
        GPIOxx_LCD_TFT_16BPP,

        /* PC Card */
        GPIO48_nPOE,
        GPIO49_nPWE,
        GPIO50_nPIOR,
        GPIO51_nPIOW,
        GPIO85_nPCE_1,
        GPIO54_nPCE_2,
        GPIO55_nPREG,
        GPIO56_nPWAIT,
        GPIO57_nIOIS16,
        GPIO104_PSKTSEL,

        /* I2S */
        GPIO28_I2S_BITCLK_OUT,
        GPIO29_I2S_SDATA_IN,
        GPIO30_I2S_SDATA_OUT,
        GPIO31_I2S_SYNC,

        /* MMC */
        GPIO32_MMC_CLK,
        GPIO112_MMC_CMD,
        GPIO92_MMC_DAT_0,
        GPIO109_MMC_DAT_1,
        GPIO110_MMC_DAT_2,
        GPIO111_MMC_DAT_3,

        /* GPIOs */
        GPIO9_GPIO,     /* SPITZ_GPIO_nSD_DETECT */
        GPIO16_GPIO,    /* SPITZ_GPIO_SYNC */
        GPIO81_GPIO,    /* SPITZ_GPIO_nSD_WP */
        GPIO41_GPIO,    /* SPITZ_GPIO_USB_CONNECT */
        GPIO37_GPIO,    /* SPITZ_GPIO_USB_HOST */
        GPIO35_GPIO,    /* SPITZ_GPIO_USB_DEVICE */
        GPIO22_GPIO,    /* SPITZ_GPIO_HSYNC */
        GPIO94_GPIO,    /* SPITZ_GPIO_CF_CD */
        GPIO105_GPIO,   /* SPITZ_GPIO_CF_IRQ */
        GPIO106_GPIO,   /* SPITZ_GPIO_CF2_IRQ */

        /* GPIO matrix keypad */
        GPIO88_GPIO,    /* column 0 */
        GPIO23_GPIO,    /* column 1 */
        GPIO24_GPIO,    /* column 2 */
        GPIO25_GPIO,    /* column 3 */
        GPIO26_GPIO,    /* column 4 */
        GPIO27_GPIO,    /* column 5 */
        GPIO52_GPIO,    /* column 6 */
        GPIO103_GPIO,   /* column 7 */
        GPIO107_GPIO,   /* column 8 */
        GPIO108_GPIO,   /* column 9 */
        GPIO114_GPIO,   /* column 10 */
        GPIO12_GPIO,    /* row 0 */
        GPIO17_GPIO,    /* row 1 */
        GPIO91_GPIO,    /* row 2 */
        GPIO34_GPIO,    /* row 3 */
        GPIO36_GPIO,    /* row 4 */
        GPIO38_GPIO,    /* row 5 */
        GPIO39_GPIO,    /* row 6 */

        /* I2C */
        GPIO117_I2C_SCL,
        GPIO118_I2C_SDA,

        GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,       /* SPITZ_GPIO_KEY_INT */
        GPIO1_GPIO | WAKEUP_ON_EDGE_FALL,       /* SPITZ_GPIO_RESET */
};

static const struct software_node spitz_scoop_1_gpiochip_node = {
        .name = "sharp-scoop.0",
};

/* Only on Spitz */
static const struct software_node spitz_scoop_2_gpiochip_node = {
        .name = "sharp-scoop.1",
};

/* Only on Akita */
static const struct software_node akita_max7310_gpiochip_node = {
        .name = "i2c-max7310",
};

/******************************************************************************
 * Scoop GPIO expander
 ******************************************************************************/
#if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE)
/* SCOOP Device #1 */
static struct resource spitz_scoop_1_resources[] = {
        [0] = {
                .start          = 0x10800000,
                .end            = 0x10800fff,
                .flags          = IORESOURCE_MEM,
        },
};

static struct scoop_config spitz_scoop_1_setup = {
        .io_dir         = SPITZ_SCP_IO_DIR,
        .io_out         = SPITZ_SCP_IO_OUT,
        .suspend_clr    = SPITZ_SCP_SUS_CLR,
        .suspend_set    = SPITZ_SCP_SUS_SET,
        .gpio_base      = SPITZ_SCP_GPIO_BASE,
};

struct platform_device spitz_scoop_1_device = {
        .name           = "sharp-scoop",
        .id             = 0,
        .dev            = {
                .platform_data  = &spitz_scoop_1_setup,
        },
        .num_resources  = ARRAY_SIZE(spitz_scoop_1_resources),
        .resource       = spitz_scoop_1_resources,
};

/* SCOOP Device #2 */
static struct resource spitz_scoop_2_resources[] = {
        [0] = {
                .start          = 0x08800040,
                .end            = 0x08800fff,
                .flags          = IORESOURCE_MEM,
        },
};

static struct scoop_config spitz_scoop_2_setup = {
        .io_dir         = SPITZ_SCP2_IO_DIR,
        .io_out         = SPITZ_SCP2_IO_OUT,
        .suspend_clr    = SPITZ_SCP2_SUS_CLR,
        .suspend_set    = SPITZ_SCP2_SUS_SET,
        .gpio_base      = SPITZ_SCP2_GPIO_BASE,
};

struct platform_device spitz_scoop_2_device = {
        .name           = "sharp-scoop",
        .id             = 1,
        .dev            = {
                .platform_data  = &spitz_scoop_2_setup,
        },
        .num_resources  = ARRAY_SIZE(spitz_scoop_2_resources),
        .resource       = spitz_scoop_2_resources,
};

static void __init spitz_scoop_init(void)
{
        platform_device_register(&spitz_scoop_1_device);

        /* Akita doesn't have the second SCOOP chip */
        if (!machine_is_akita())
                platform_device_register(&spitz_scoop_2_device);
}

/* Power control is shared with between one of the CF slots and SD */
static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
{
        unsigned short cpr;
        unsigned long flags;

        if (new_cpr & 0x7) {
                gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
                mdelay(5);
        }

        local_irq_save(flags);

        cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR);

        if (enable & new_cpr)
                cpr |= new_cpr;
        else
                cpr &= ~enable;

        write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr);

        local_irq_restore(flags);

        if (!(cpr & 0x7)) {
                mdelay(1);
                gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
        }
}

#else
static inline void spitz_scoop_init(void) {}
static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {}
#endif

/******************************************************************************
 * PCMCIA
 ******************************************************************************/
#if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr)
{
        /* Only need to override behaviour for slot 0 */
        if (nr == 0)
                spitz_card_pwr_ctrl(
                        cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr);
        else
                write_scoop_reg(scoop, SCOOP_CPR, cpr);
}

static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
        {
                .dev            = &spitz_scoop_1_device.dev,
                .irq            = SPITZ_IRQ_GPIO_CF_IRQ,
                .cd_irq         = SPITZ_IRQ_GPIO_CF_CD,
                .cd_irq_str     = "PCMCIA0 CD",
        }, {
                .dev            = &spitz_scoop_2_device.dev,
                .irq            = SPITZ_IRQ_GPIO_CF2_IRQ,
                .cd_irq         = -1,
        },
};

static struct scoop_pcmcia_config spitz_pcmcia_config = {
        .devs           = &spitz_pcmcia_scoop[0],
        .num_devs       = 2,
        .power_ctrl     = spitz_pcmcia_pwr,
};

static void __init spitz_pcmcia_init(void)
{
        /* Akita has only one PCMCIA slot used */
        if (machine_is_akita())
                spitz_pcmcia_config.num_devs = 1;

        platform_scoop_config = &spitz_pcmcia_config;
}
#else
static inline void spitz_pcmcia_init(void) {}
#endif

/******************************************************************************
 * GPIO keyboard
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)

#define SPITZ_KEY_CALENDAR      KEY_F1
#define SPITZ_KEY_ADDRESS       KEY_F2
#define SPITZ_KEY_FN            KEY_F3
#define SPITZ_KEY_CANCEL        KEY_F4
#define SPITZ_KEY_EXOK          KEY_F5
#define SPITZ_KEY_EXCANCEL      KEY_F6
#define SPITZ_KEY_EXJOGDOWN     KEY_F7
#define SPITZ_KEY_EXJOGUP       KEY_F8
#define SPITZ_KEY_JAP1          KEY_LEFTALT
#define SPITZ_KEY_JAP2          KEY_RIGHTCTRL
#define SPITZ_KEY_SYNC          KEY_F9
#define SPITZ_KEY_MAIL          KEY_F10
#define SPITZ_KEY_OK            KEY_F11
#define SPITZ_KEY_MENU          KEY_F12

static const uint32_t spitz_keymap[] = {
        KEY(0, 0, KEY_LEFTCTRL),
        KEY(0, 1, KEY_1),
        KEY(0, 2, KEY_3),
        KEY(0, 3, KEY_5),
        KEY(0, 4, KEY_6),
        KEY(0, 5, KEY_7),
        KEY(0, 6, KEY_9),
        KEY(0, 7, KEY_0),
        KEY(0, 8, KEY_BACKSPACE),
        KEY(0, 9, SPITZ_KEY_EXOK),      /* EXOK */
        KEY(0, 10, SPITZ_KEY_EXCANCEL), /* EXCANCEL */
        KEY(1, 1, KEY_2),
        KEY(1, 2, KEY_4),
        KEY(1, 3, KEY_R),
        KEY(1, 4, KEY_Y),
        KEY(1, 5, KEY_8),
        KEY(1, 6, KEY_I),
        KEY(1, 7, KEY_O),
        KEY(1, 8, KEY_P),
        KEY(1, 9, SPITZ_KEY_EXJOGDOWN), /* EXJOGDOWN */
        KEY(1, 10, SPITZ_KEY_EXJOGUP),  /* EXJOGUP */
        KEY(2, 0, KEY_TAB),
        KEY(2, 1, KEY_Q),
        KEY(2, 2, KEY_E),
        KEY(2, 3, KEY_T),
        KEY(2, 4, KEY_G),
        KEY(2, 5, KEY_U),
        KEY(2, 6, KEY_J),
        KEY(2, 7, KEY_K),
        KEY(3, 0, SPITZ_KEY_ADDRESS),   /* ADDRESS */
        KEY(3, 1, KEY_W),
        KEY(3, 2, KEY_S),
        KEY(3, 3, KEY_F),
        KEY(3, 4, KEY_V),
        KEY(3, 5, KEY_H),
        KEY(3, 6, KEY_M),
        KEY(3, 7, KEY_L),
        KEY(3, 9, KEY_RIGHTSHIFT),
        KEY(4, 0, SPITZ_KEY_CALENDAR),  /* CALENDAR */
        KEY(4, 1, KEY_A),
        KEY(4, 2, KEY_D),
        KEY(4, 3, KEY_C),
        KEY(4, 4, KEY_B),
        KEY(4, 5, KEY_N),
        KEY(4, 6, KEY_DOT),
        KEY(4, 8, KEY_ENTER),
        KEY(4, 9, KEY_LEFTSHIFT),
        KEY(5, 0, SPITZ_KEY_MAIL),      /* MAIL */
        KEY(5, 1, KEY_Z),
        KEY(5, 2, KEY_X),
        KEY(5, 3, KEY_MINUS),
        KEY(5, 4, KEY_SPACE),
        KEY(5, 5, KEY_COMMA),
        KEY(5, 7, KEY_UP),
        KEY(5, 10, SPITZ_KEY_FN),       /* FN */
        KEY(6, 0, KEY_SYSRQ),
        KEY(6, 1, SPITZ_KEY_JAP1),      /* JAP1 */
        KEY(6, 2, SPITZ_KEY_JAP2),      /* JAP2 */
        KEY(6, 3, SPITZ_KEY_CANCEL),    /* CANCEL */
        KEY(6, 4, SPITZ_KEY_OK),        /* OK */
        KEY(6, 5, SPITZ_KEY_MENU),      /* MENU */
        KEY(6, 6, KEY_LEFT),
        KEY(6, 7, KEY_DOWN),
        KEY(6, 8, KEY_RIGHT),
};

static const struct software_node_ref_args spitz_mkp_row_gpios[] = {
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 12, GPIO_ACTIVE_HIGH),
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 17, GPIO_ACTIVE_HIGH),
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 91, GPIO_ACTIVE_HIGH),
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 34, GPIO_ACTIVE_HIGH),
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 36, GPIO_ACTIVE_HIGH),
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 38, GPIO_ACTIVE_HIGH),
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 39, GPIO_ACTIVE_HIGH),
};

static const struct software_node_ref_args spitz_mkp_col_gpios[] = {
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 88, GPIO_ACTIVE_HIGH),
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 23, GPIO_ACTIVE_HIGH),
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 24, GPIO_ACTIVE_HIGH),
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 25, GPIO_ACTIVE_HIGH),
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 26, GPIO_ACTIVE_HIGH),
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 27, GPIO_ACTIVE_HIGH),
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 52, GPIO_ACTIVE_HIGH),
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 103, GPIO_ACTIVE_HIGH),
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 107, GPIO_ACTIVE_HIGH),
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 108, GPIO_ACTIVE_HIGH),
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 114, GPIO_ACTIVE_HIGH),
};

static const struct property_entry spitz_mkp_properties[] = {
        PROPERTY_ENTRY_U32_ARRAY("linux,keymap", spitz_keymap),
        PROPERTY_ENTRY_REF_ARRAY("row-gpios", spitz_mkp_row_gpios),
        PROPERTY_ENTRY_REF_ARRAY("col-gpios", spitz_mkp_col_gpios),
        PROPERTY_ENTRY_U32("col-scan-delay-us", 10),
        PROPERTY_ENTRY_U32("debounce-delay-ms", 10),
        PROPERTY_ENTRY_BOOL("wakeup-source"),
        { }
};

static const struct platform_device_info spitz_mkp_info __initconst = {
        .name           = "matrix-keypad",
        .id             = PLATFORM_DEVID_NONE,
        .properties     = spitz_mkp_properties,
};


static void __init spitz_mkp_init(void)
{
        struct platform_device *pd;
        int err;

        pd = platform_device_register_full(&spitz_mkp_info);
        err = PTR_ERR_OR_ZERO(pd);
        if (err)
                pr_err("failed to create keypad device: %d\n", err);
}
#else
static inline void spitz_mkp_init(void) {}
#endif

/******************************************************************************
 * GPIO keys
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
static const struct software_node spitz_gpio_keys_node = {
        .name = "spitz-gpio-keys",
};

static const struct property_entry spitz_suspend_key_props[] = {
        PROPERTY_ENTRY_U32("linux,input-type", EV_PWR),
        PROPERTY_ENTRY_U32("linux,code", KEY_SUSPEND),
        PROPERTY_ENTRY_GPIO("gpios", &pxa2xx_gpiochip_node,
                            SPITZ_GPIO_ON_KEY, GPIO_ACTIVE_HIGH),
        PROPERTY_ENTRY_STRING("label", "On Off"),
        PROPERTY_ENTRY_BOOL("wakeup-source"),
        { }
};

static const struct software_node spitz_suspend_key_node = {
        .parent = &spitz_gpio_keys_node,
        .properties = spitz_suspend_key_props,
};

static const struct property_entry spitz_sw1_props[] = {
        PROPERTY_ENTRY_U32("linux,input-type", EV_SW),
        PROPERTY_ENTRY_U32("linux,code", 0),
        PROPERTY_ENTRY_GPIO("gpios", &pxa2xx_gpiochip_node,
                            SPITZ_GPIO_SWA, GPIO_ACTIVE_HIGH),
        PROPERTY_ENTRY_STRING("label", "Display Down"),
        { }
};

static const struct software_node spitz_sw1_node = {
        .parent = &spitz_gpio_keys_node,
        .properties = spitz_sw1_props,
};

static const struct property_entry spitz_sw2_props[] = {
        PROPERTY_ENTRY_U32("linux,input-type", EV_SW),
        PROPERTY_ENTRY_U32("linux,code", 1),
        PROPERTY_ENTRY_GPIO("gpios", &pxa2xx_gpiochip_node,
                            SPITZ_GPIO_SWB, GPIO_ACTIVE_HIGH),
        PROPERTY_ENTRY_STRING("label", "Lid Closed"),
        { }
};

static const struct software_node spitz_sw2_node = {
        .parent = &spitz_gpio_keys_node,
        .properties = spitz_sw2_props,
};

static const struct software_node *spitz_gpio_keys_swnodes[] = {
        &spitz_gpio_keys_node,
        &spitz_suspend_key_node,
        &spitz_sw1_node,
        &spitz_sw2_node,
        NULL
};

static void __init spitz_keys_init(void)
{
        struct platform_device_info keys_info = {
                .name   = "gpio-keys",
                .id     = PLATFORM_DEVID_NONE,
        };
        struct platform_device *pd;
        int err;

        err = software_node_register_node_group(spitz_gpio_keys_swnodes);
        if (err) {
                pr_err("failed to register gpio-keys software nodes: %d\n", err);
                return;
        }

        keys_info.fwnode = software_node_fwnode(&spitz_gpio_keys_node);

        pd = platform_device_register_full(&keys_info);
        err = PTR_ERR_OR_ZERO(pd);
        if (err)
                pr_err("failed to create gpio-keys device: %d\n", err);
}
#else
static inline void spitz_keys_init(void) {}
#endif

/******************************************************************************
 * LEDs
 ******************************************************************************/
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
static const struct software_node spitz_gpio_leds_node = {
        .name = "spitz-leds",
};

static const struct property_entry spitz_orange_led_props[] = {
        PROPERTY_ENTRY_STRING("linux,default-trigger", "sharpsl-charge"),
        PROPERTY_ENTRY_GPIO("gpios",
                            &spitz_scoop_1_gpiochip_node, 6, GPIO_ACTIVE_HIGH),
        { }
};

static const struct software_node spitz_orange_led_node = {
        .name = "spitz:amber:charge",
        .parent = &spitz_gpio_leds_node,
        .properties = spitz_orange_led_props,
};

static const struct property_entry spitz_green_led_props[] = {
        PROPERTY_ENTRY_STRING("linux,default-trigger", "disk-activity"),
        PROPERTY_ENTRY_GPIO("gpios",
                            &spitz_scoop_1_gpiochip_node, 0, GPIO_ACTIVE_HIGH),
        { }
};

static const struct software_node spitz_green_led_node = {
        .name = "spitz:green:hddactivity",
        .parent = &spitz_gpio_leds_node,
        .properties = spitz_green_led_props,
};

static const struct software_node *spitz_gpio_leds_swnodes[] = {
        &spitz_gpio_leds_node,
        &spitz_orange_led_node,
        &spitz_green_led_node,
        NULL
};

static void __init spitz_leds_init(void)
{
        struct platform_device_info led_info = {
                .name   = "leds-gpio",
                .id     = PLATFORM_DEVID_NONE,
        };
        struct platform_device *led_dev;
        int err;

        err = software_node_register_node_group(spitz_gpio_leds_swnodes);
        if (err) {
                pr_err("failed to register LED software nodes: %d\n", err);
                return;
        }

        led_info.fwnode = software_node_fwnode(&spitz_gpio_leds_node);

        led_dev = platform_device_register_full(&led_info);
        err = PTR_ERR_OR_ZERO(led_dev);
        if (err)
                pr_err("failed to create LED device: %d\n", err);
}
#else
static inline void spitz_leds_init(void) {}
#endif

/******************************************************************************
 * SSP Devices
 ******************************************************************************/
#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)

static const struct property_entry spitz_ads7846_props[] = {
        PROPERTY_ENTRY_STRING("compatible", "ti,ads7846"),
        PROPERTY_ENTRY_U32("touchscreen-max-pressure", 1024),
        PROPERTY_ENTRY_U16("ti,x-plate-ohms", 419),
        PROPERTY_ENTRY_U16("ti,y-plate-ohms", 486),
        PROPERTY_ENTRY_U16("ti,vref-delay-usecs", 100),
        PROPERTY_ENTRY_GPIO("pendown-gpios", &pxa2xx_gpiochip_node,
                            SPITZ_GPIO_TP_INT, GPIO_ACTIVE_LOW),
        PROPERTY_ENTRY_GPIO("ti,hsync-gpios", &pxa2xx_gpiochip_node,
                            SPITZ_GPIO_HSYNC, GPIO_ACTIVE_LOW),
        { }
};

static const struct software_node spitz_ads7846_swnode = {
        .name = "ads7846",
        .properties = spitz_ads7846_props,
};

static const struct property_entry spitz_lcdcon_props[] = {
        PROPERTY_ENTRY_GPIO("BL_CONT-gpios",
                            &spitz_scoop_2_gpiochip_node, 6, GPIO_ACTIVE_LOW),
        PROPERTY_ENTRY_GPIO("BL_ON-gpios",
                            &spitz_scoop_2_gpiochip_node, 7, GPIO_ACTIVE_HIGH),
        { }
};

static const struct property_entry akita_lcdcon_props[] = {
        PROPERTY_ENTRY_GPIO("BL_ON-gpios",
                            &akita_max7310_gpiochip_node, 3, GPIO_ACTIVE_HIGH),
        PROPERTY_ENTRY_GPIO("BL_CONT-gpios",
                            &akita_max7310_gpiochip_node, 4, GPIO_ACTIVE_LOW),
        { }
};

static struct software_node spitz_lcdcon_node = {
        .name = "spitz-lcdcon",
};

static struct corgi_lcd_platform_data spitz_lcdcon_info = {
        .init_mode              = CORGI_LCD_MODE_VGA,
        .max_intensity          = 0x2f,
        .default_intensity      = 0x1f,
        .limit_mask             = 0x0b,
        .kick_battery           = sharpsl_battery_kick,
};

static struct spi_board_info spitz_spi_devices[] = {
        {
                .modalias               = "ads7846",
                .max_speed_hz           = 1200000,
                .bus_num                = 2,
                .chip_select            = 0,
                .swnode                 = &spitz_ads7846_swnode,
                .irq                    = PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT),
        }, {
                .modalias               = "corgi-lcd",
                .max_speed_hz           = 50000,
                .bus_num                = 2,
                .chip_select            = 1,
                .platform_data          = &spitz_lcdcon_info,
                .swnode                 = &spitz_lcdcon_node,
        }, {
                .modalias               = "max1111",
                .max_speed_hz           = 450000,
                .bus_num                = 2,
                .chip_select            = 2,
        },
};

static const struct software_node_ref_args spitz_spi_gpio_refs[] = {
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, SPITZ_GPIO_ADS7846_CS,
                                GPIO_ACTIVE_LOW),
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, SPITZ_GPIO_LCDCON_CS,
                                GPIO_ACTIVE_LOW),
        SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, SPITZ_GPIO_MAX1111_CS,
                                GPIO_ACTIVE_LOW),
};

static const struct property_entry spitz_spi_properties[] = {
        PROPERTY_ENTRY_REF_ARRAY("gpios", spitz_spi_gpio_refs),
        { }
};

static const struct platform_device_info spitz_spi_device_info = {
        .name = "pxa2xx-spi",
        /* pxa2xx-spi platform-device ID equals respective SSP platform-device ID + 1 */
        .id = 2,
        .properties = spitz_spi_properties,
};

static void __init spitz_spi_init(void)
{
        struct platform_device *pd;
        int err;

        pd = platform_device_register_full(&spitz_spi_device_info);
        err = PTR_ERR_OR_ZERO(pd);
        if (err)
                pr_err("pxa2xx-spi: failed to instantiate SPI controller: %d\n",
                       err);

        spitz_lcdcon_node.properties = machine_is_akita() ?
                                        akita_lcdcon_props : spitz_lcdcon_props;
        spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
}
#else
static inline void spitz_spi_init(void) {}
#endif

/******************************************************************************
 * SD/MMC card controller
 ******************************************************************************/
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
/*
 * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
 * give the card a chance to fully insert/eject.
 */
static int spitz_mci_setpower(struct device *dev, unsigned int vdd)
{
        struct pxamci_platform_data* p_d = dev->platform_data;

        if ((1 << vdd) & p_d->ocr_mask)
                spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
        else
                spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);

        return 0;
}

static struct pxamci_platform_data spitz_mci_platform_data = {
        .detect_delay_ms        = 250,
        .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
        .setpower               = spitz_mci_setpower,
};

static const struct property_entry spitz_mci_props[] __initconst = {
        PROPERTY_ENTRY_GPIO("cd-gpios", &pxa2xx_gpiochip_node,
                            SPITZ_GPIO_nSD_DETECT, GPIO_ACTIVE_LOW),
        PROPERTY_ENTRY_GPIO("wp-gpios", &pxa2xx_gpiochip_node,
                            SPITZ_GPIO_nSD_WP, GPIO_ACTIVE_LOW),
        { }
};

static void __init spitz_mmc_init(void)
{
        pxa_set_mci_info(&spitz_mci_platform_data, spitz_mci_props);
}
#else
static inline void spitz_mmc_init(void) {}
#endif

/******************************************************************************
 * USB Host
 ******************************************************************************/
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static int spitz_ohci_init(struct device *dev)
{
        int err;

        err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
        if (err)
                return err;

        /* Only Port 2 is connected, setup USB Port 2 Output Control Register */
        UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;

        return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
}

static void spitz_ohci_exit(struct device *dev)
{
        gpio_free(SPITZ_GPIO_USB_HOST);
}

static struct pxaohci_platform_data spitz_ohci_platform_data = {
        .port_mode      = PMM_NPS_MODE,
        .init           = spitz_ohci_init,
        .exit           = spitz_ohci_exit,
        .flags          = ENABLE_PORT_ALL | NO_OC_PROTECTION,
        .power_budget   = 150,
};

static void __init spitz_uhc_init(void)
{
        pxa_set_ohci_info(&spitz_ohci_platform_data);
}
#else
static inline void spitz_uhc_init(void) {}
#endif

/******************************************************************************
 * Framebuffer
 ******************************************************************************/
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static struct pxafb_mode_info spitz_pxafb_modes[] = {
        {
                .pixclock       = 19231,
                .xres           = 480,
                .yres           = 640,
                .bpp            = 16,
                .hsync_len      = 40,
                .left_margin    = 46,
                .right_margin   = 125,
                .vsync_len      = 3,
                .upper_margin   = 1,
                .lower_margin   = 0,
                .sync           = 0,
        }, {
                .pixclock       = 134617,
                .xres           = 240,
                .yres           = 320,
                .bpp            = 16,
                .hsync_len      = 20,
                .left_margin    = 20,
                .right_margin   = 46,
                .vsync_len      = 2,
                .upper_margin   = 1,
                .lower_margin   = 0,
                .sync           = 0,
        },
};

static struct pxafb_mach_info spitz_pxafb_info = {
        .modes          = spitz_pxafb_modes,
        .num_modes      = ARRAY_SIZE(spitz_pxafb_modes),
        .fixed_modes    = 1,
        .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
};

static void __init spitz_lcd_init(void)
{
        pxa_set_fb_info(NULL, &spitz_pxafb_info);
}
#else
static inline void spitz_lcd_init(void) {}
#endif

/******************************************************************************
 * NAND Flash
 ******************************************************************************/
#if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
static uint8_t scan_ff_pattern[] = { 0xff, 0xff };

static struct nand_bbt_descr spitz_nand_bbt = {
        .options        = 0,
        .offs           = 4,
        .len            = 2,
        .pattern        = scan_ff_pattern
};

static int akita_ooblayout_ecc(struct mtd_info *mtd, int section,
                               struct mtd_oob_region *oobregion)
{
        if (section > 12)
                return -ERANGE;

        switch (section % 3) {
        case 0:
                oobregion->offset = 5;
                oobregion->length = 1;
                break;

        case 1:
                oobregion->offset = 1;
                oobregion->length = 3;
                break;

        case 2:
                oobregion->offset = 6;
                oobregion->length = 2;
                break;
        }

        oobregion->offset += (section / 3) * 0x10;

        return 0;
}

static int akita_ooblayout_free(struct mtd_info *mtd, int section,
                                struct mtd_oob_region *oobregion)
{
        if (section)
                return -ERANGE;

        oobregion->offset = 8;
        oobregion->length = 9;

        return 0;
}

static const struct mtd_ooblayout_ops akita_ooblayout_ops = {
        .ecc = akita_ooblayout_ecc,
        .free = akita_ooblayout_free,
};

static const char * const probes[] = {
        "cmdlinepart",
        "ofpart",
        "sharpslpart",
        NULL,
};

static struct sharpsl_nand_platform_data spitz_nand_pdata = {
        .badblock_pattern       = &spitz_nand_bbt,
        .part_parsers           = probes,
};

static struct resource spitz_nand_resources[] = {
        {
                .start  = PXA_CS3_PHYS,
                .end    = PXA_CS3_PHYS + SZ_4K - 1,
                .flags  = IORESOURCE_MEM,
        },
};

static struct platform_device spitz_nand_device = {
        .name           = "sharpsl-nand",
        .id             = -1,
        .resource       = spitz_nand_resources,
        .num_resources  = ARRAY_SIZE(spitz_nand_resources),
        .dev            = {
                .platform_data  = &spitz_nand_pdata,
        }
};

static void __init spitz_nand_init(void)
{
        if (machine_is_akita() || machine_is_borzoi()) {
                spitz_nand_bbt.len = 1;
                spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
        }

        platform_device_register(&spitz_nand_device);
}
#else
static inline void spitz_nand_init(void) {}
#endif

/******************************************************************************
 * NOR Flash
 ******************************************************************************/
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
static struct mtd_partition spitz_rom_parts[] = {
        {
                .name   ="Boot PROM Filesystem",
                .offset = 0x00140000,
                .size   = MTDPART_SIZ_FULL,
        },
};

static struct physmap_flash_data spitz_rom_data = {
        .width          = 2,
        .nr_parts       = ARRAY_SIZE(spitz_rom_parts),
        .parts          = spitz_rom_parts,
};

static struct resource spitz_rom_resources[] = {
        {
                .start  = PXA_CS0_PHYS,
                .end    = PXA_CS0_PHYS + SZ_8M - 1,
                .flags  = IORESOURCE_MEM,
        },
};

static struct platform_device spitz_rom_device = {
        .name           = "physmap-flash",
        .id             = -1,
        .resource       = spitz_rom_resources,
        .num_resources  = ARRAY_SIZE(spitz_rom_resources),
        .dev            = {
                .platform_data  = &spitz_rom_data,
        },
};

static void __init spitz_nor_init(void)
{
        platform_device_register(&spitz_rom_device);
}
#else
static inline void spitz_nor_init(void) {}
#endif

/******************************************************************************
 * I2C devices
 ******************************************************************************/
#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
static struct pca953x_platform_data akita_pca953x_pdata = {
        .gpio_base              = AKITA_IOEXP_GPIO_BASE,
};

static struct i2c_board_info spitz_i2c_devs[] = {
        {
                .type           = "wm8750",
                .addr           = 0x1b,
        }, {
                .type           = "max7310",
                .addr           = 0x18,
                .platform_data  = &akita_pca953x_pdata,
        },
};

static struct regulator_consumer_supply isl6271a_consumers[] = {
        REGULATOR_SUPPLY("vcc_core", NULL),
};

static struct regulator_init_data isl6271a_info[] = {
        {
                .constraints = {
                        .name           = "vcc_core range",
                        .min_uV         = 850000,
                        .max_uV         = 1600000,
                        .always_on      = 1,
                        .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
                },
        .consumer_supplies      = isl6271a_consumers,
        .num_consumer_supplies  = ARRAY_SIZE(isl6271a_consumers),
        }
};

static struct i2c_board_info spitz_pi2c_devs[] = {
        {
                .type           = "isl6271a",
                .addr           = 0x0c,
                .platform_data  = &isl6271a_info,
        },
};

static void __init spitz_i2c_init(void)
{
        int size = ARRAY_SIZE(spitz_i2c_devs);

        /* Only Akita has the max7310 chip */
        if (!machine_is_akita())
                size--;

        pxa_set_i2c_info(NULL);
        pxa27x_set_i2c_power_info(NULL);
        i2c_register_board_info(0, spitz_i2c_devs, size);
        i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
}
#else
static inline void spitz_i2c_init(void) {}
#endif

static const struct property_entry spitz_audio_props[] = {
        PROPERTY_ENTRY_GPIO("mute-l-gpios", &spitz_scoop_1_gpiochip_node, 3,
                            GPIO_ACTIVE_HIGH),
        PROPERTY_ENTRY_GPIO("mute-r-gpios", &spitz_scoop_1_gpiochip_node, 4,
                            GPIO_ACTIVE_HIGH),
        PROPERTY_ENTRY_GPIO("mic-gpios", &spitz_scoop_2_gpiochip_node, 8,
                            GPIO_ACTIVE_HIGH),
        { }
};

static const struct property_entry akita_audio_props[] = {
        PROPERTY_ENTRY_GPIO("mute-l-gpios", &spitz_scoop_1_gpiochip_node, 3,
                            GPIO_ACTIVE_HIGH),
        PROPERTY_ENTRY_GPIO("mute-r-gpios", &spitz_scoop_1_gpiochip_node, 4,
                            GPIO_ACTIVE_HIGH),
        PROPERTY_ENTRY_GPIO("mic-gpios", &akita_max7310_gpiochip_node, 2,
                            GPIO_ACTIVE_HIGH),
        { }
};

/******************************************************************************
 * Audio devices
 ******************************************************************************/
static inline void spitz_audio_init(void)
{
        struct platform_device_info audio_info = {
                .name = "spitz-audio",
                .id = PLATFORM_DEVID_NONE,
                .properties = machine_is_akita() ?
                                akita_audio_props : spitz_audio_props,
        };

        platform_device_register_full(&audio_info);
}

/******************************************************************************
 * Machine init
 ******************************************************************************/
static void spitz_poweroff(void)
{
        pxa_restart(REBOOT_GPIO, NULL);
}

static void spitz_restart(enum reboot_mode mode, const char *cmd)
{
        uint32_t msc0 = __raw_readl(MSC0);
        /* Bootloader magic for a reboot */
        if ((msc0 & 0xffff0000) == 0x7ff00000)
                __raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);

        spitz_poweroff();
}

static void __init spitz_init(void)
{
        software_node_register(&spitz_scoop_1_gpiochip_node);
        if (machine_is_akita())
                software_node_register(&akita_max7310_gpiochip_node);
        else
                software_node_register(&spitz_scoop_2_gpiochip_node);

        init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
        register_platform_power_off(spitz_poweroff);

        PMCR = 0x00;

        /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
        PCFR |= PCFR_OPDE;

        pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));

        pxa_set_ffuart_info(NULL);
        pxa_set_btuart_info(NULL);
        pxa_set_stuart_info(NULL);

        spitz_spi_init();
        spitz_scoop_init();
        spitz_mkp_init();
        spitz_keys_init();
        spitz_leds_init();
        spitz_mmc_init();
        spitz_pcmcia_init();
        spitz_uhc_init();
        spitz_lcd_init();
        spitz_nor_init();
        spitz_nand_init();
        spitz_i2c_init();
        spitz_audio_init();

        regulator_has_full_constraints();
}

static void __init spitz_fixup(struct tag *tags, char **cmdline)
{
        sharpsl_save_param();
        memblock_add(0xa0000000, SZ_64M);
}

#ifdef CONFIG_MACH_SPITZ
MACHINE_START(SPITZ, "SHARP Spitz")
        .fixup          = spitz_fixup,
        .map_io         = pxa27x_map_io,
        .nr_irqs        = PXA_NR_IRQS,
        .init_irq       = pxa27x_init_irq,
        .init_machine   = spitz_init,
        .init_time      = pxa_timer_init,
        .restart        = spitz_restart,
MACHINE_END
#endif

#ifdef CONFIG_MACH_BORZOI
MACHINE_START(BORZOI, "SHARP Borzoi")
        .fixup          = spitz_fixup,
        .map_io         = pxa27x_map_io,
        .nr_irqs        = PXA_NR_IRQS,
        .init_irq       = pxa27x_init_irq,
        .init_machine   = spitz_init,
        .init_time      = pxa_timer_init,
        .restart        = spitz_restart,
MACHINE_END
#endif

#ifdef CONFIG_MACH_AKITA
MACHINE_START(AKITA, "SHARP Akita")
        .fixup          = spitz_fixup,
        .map_io         = pxa27x_map_io,
        .nr_irqs        = PXA_NR_IRQS,
        .init_irq       = pxa27x_init_irq,
        .init_machine   = spitz_init,
        .init_time      = pxa_timer_init,
        .restart        = spitz_restart,
MACHINE_END
#endif