/*
 * Copyright 2004-2009 Analog Devices Inc.
 *                2005 National ICT Australia (NICTA)
 *                      Aidan Williams <aidan@nicta.com.au>
 *
 * Licensed under the GPL-2 or later.
 */

#include <linux/device.h>
#include <linux/export.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/plat-ram.h>
#include <linux/mtd/physmap.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
#include <linux/usb/isp1362.h>
#endif
#include <linux/i2c.h>
#include <linux/i2c/adp5588.h>
#include <linux/etherdevice.h>
#include <linux/ata_platform.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/usb/sl811.h>
#include <linux/spi/mmc_spi.h>
#include <linux/leds.h>
#include <linux/input.h>
#include <asm/dma.h>
#include <asm/bfin5xx_spi.h>
#include <asm/reboot.h>
#include <asm/portmux.h>
#include <asm/dpmc.h>
#include <asm/bfin_sport.h>
#ifdef CONFIG_REGULATOR_FIXED_VOLTAGE
#include <linux/regulator/fixed.h>
#endif
#include <linux/regulator/machine.h>
#include <linux/regulator/consumer.h>
#include <linux/regulator/userspace-consumer.h>

/*
 * Name the Board for the /proc/cpuinfo
 */
const char bfin_board_name[] = "ADI BF537-STAMP";

/*
 *  Driver needs to know address, irq and flag pin.
 */

#if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
#include <linux/usb/isp1760.h>
static struct resource bfin_isp1760_resources[] = {
	[0] = {
		.start  = 0x203C0000,
		.end    = 0x203C0000 + 0x000fffff,
		.flags  = IORESOURCE_MEM,
	},
	[1] = {
		.start  = IRQ_PF7,
		.end    = IRQ_PF7,
		.flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
	},
};

static struct isp1760_platform_data isp1760_priv = {
	.is_isp1761 = 0,
	.bus_width_16 = 1,
	.port1_otg = 0,
	.analog_oc = 0,
	.dack_polarity_high = 0,
	.dreq_polarity_high = 0,
};

static struct platform_device bfin_isp1760_device = {
	.name           = "isp1760",
	.id             = 0,
	.dev = {
		.platform_data = &isp1760_priv,
	},
	.num_resources  = ARRAY_SIZE(bfin_isp1760_resources),
	.resource       = bfin_isp1760_resources,
};
#endif

#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
#include <linux/gpio_keys.h>

static struct gpio_keys_button bfin_gpio_keys_table[] = {
	{BTN_0, GPIO_PF2, 1, "gpio-keys: BTN0"},
	{BTN_1, GPIO_PF3, 1, "gpio-keys: BTN1"},
	{BTN_2, GPIO_PF4, 1, "gpio-keys: BTN2"},
	{BTN_3, GPIO_PF5, 1, "gpio-keys: BTN3"},
};

static struct gpio_keys_platform_data bfin_gpio_keys_data = {
	.buttons        = bfin_gpio_keys_table,
	.nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
};

static struct platform_device bfin_device_gpiokeys = {
	.name      = "gpio-keys",
	.dev = {
		.platform_data = &bfin_gpio_keys_data,
	},
};
#endif

#if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
static struct resource bfin_pcmcia_cf_resources[] = {
	{
		.start = 0x20310000, /* IO PORT */
		.end = 0x20312000,
		.flags = IORESOURCE_MEM,
	}, {
		.start = 0x20311000, /* Attribute Memory */
		.end = 0x20311FFF,
		.flags = IORESOURCE_MEM,
	}, {
		.start = IRQ_PF4,
		.end = IRQ_PF4,
		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
	}, {
		.start = 6, /* Card Detect PF6 */
		.end = 6,
		.flags = IORESOURCE_IRQ,
	},
};

static struct platform_device bfin_pcmcia_cf_device = {
	.name = "bfin_cf_pcmcia",
	.id = -1,
	.num_resources = ARRAY_SIZE(bfin_pcmcia_cf_resources),
	.resource = bfin_pcmcia_cf_resources,
};
#endif

#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
static struct platform_device rtc_device = {
	.name = "rtc-bfin",
	.id   = -1,
};
#endif

#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
#include <linux/smc91x.h>

static struct smc91x_platdata smc91x_info = {
	.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
	.leda = RPC_LED_100_10,
	.ledb = RPC_LED_TX_RX,
};

static struct resource smc91x_resources[] = {
	{
		.name = "smc91x-regs",
		.start = 0x20300300,
		.end = 0x20300300 + 16,
		.flags = IORESOURCE_MEM,
	}, {

		.start = IRQ_PF7,
		.end = IRQ_PF7,
		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
	},
};
static struct platform_device smc91x_device = {
	.name = "smc91x",
	.id = 0,
	.num_resources = ARRAY_SIZE(smc91x_resources),
	.resource = smc91x_resources,
	.dev	= {
		.platform_data	= &smc91x_info,
	},
};
#endif

#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
static struct resource dm9000_resources[] = {
	[0] = {
		.start	= 0x203FB800,
		.end	= 0x203FB800 + 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= 0x203FB804,
		.end	= 0x203FB804 + 1,
		.flags	= IORESOURCE_MEM,
	},
	[2] = {
		.start	= IRQ_PF9,
		.end	= IRQ_PF9,
		.flags	= (IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE),
	},
};

static struct platform_device dm9000_device = {
	.name		= "dm9000",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(dm9000_resources),
	.resource	= dm9000_resources,
};
#endif

#if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE)
static struct resource sl811_hcd_resources[] = {
	{
		.start = 0x20340000,
		.end = 0x20340000,
		.flags = IORESOURCE_MEM,
	}, {
		.start = 0x20340004,
		.end = 0x20340004,
		.flags = IORESOURCE_MEM,
	}, {
		.start = IRQ_PF4,
		.end = IRQ_PF4,
		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
	},
};

#if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
void sl811_port_power(struct device *dev, int is_on)
{
	gpio_request(CONFIG_USB_SL811_BFIN_GPIO_VBUS, "usb:SL811_VBUS");
	gpio_direction_output(CONFIG_USB_SL811_BFIN_GPIO_VBUS, is_on);
}
#endif

static struct sl811_platform_data sl811_priv = {
	.potpg = 10,
	.power = 250,       /* == 500mA */
#if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
	.port_power = &sl811_port_power,
#endif
};

static struct platform_device sl811_hcd_device = {
	.name = "sl811-hcd",
	.id = 0,
	.dev = {
		.platform_data = &sl811_priv,
	},
	.num_resources = ARRAY_SIZE(sl811_hcd_resources),
	.resource = sl811_hcd_resources,
};
#endif

#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
static struct resource isp1362_hcd_resources[] = {
	{
		.start = 0x20360000,
		.end = 0x20360000,
		.flags = IORESOURCE_MEM,
	}, {
		.start = 0x20360004,
		.end = 0x20360004,
		.flags = IORESOURCE_MEM,
	}, {
		.start = IRQ_PF3,
		.end = IRQ_PF3,
		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
	},
};

static struct isp1362_platform_data isp1362_priv = {
	.sel15Kres = 1,
	.clknotstop = 0,
	.oc_enable = 0,
	.int_act_high = 0,
	.int_edge_triggered = 0,
	.remote_wakeup_connected = 0,
	.no_power_switching = 1,
	.power_switching_mode = 0,
};

static struct platform_device isp1362_hcd_device = {
	.name = "isp1362-hcd",
	.id = 0,
	.dev = {
		.platform_data = &isp1362_priv,
	},
	.num_resources = ARRAY_SIZE(isp1362_hcd_resources),
	.resource = isp1362_hcd_resources,
};
#endif

#if defined(CONFIG_CAN_BFIN) || defined(CONFIG_CAN_BFIN_MODULE)
static unsigned short bfin_can_peripherals[] = {
	P_CAN0_RX, P_CAN0_TX, 0
};

static struct resource bfin_can_resources[] = {
	{
		.start = 0xFFC02A00,
		.end = 0xFFC02FFF,
		.flags = IORESOURCE_MEM,
	},
	{
		.start = IRQ_CAN_RX,
		.end = IRQ_CAN_RX,
		.flags = IORESOURCE_IRQ,
	},
	{
		.start = IRQ_CAN_TX,
		.end = IRQ_CAN_TX,
		.flags = IORESOURCE_IRQ,
	},
	{
		.start = IRQ_CAN_ERROR,
		.end = IRQ_CAN_ERROR,
		.flags = IORESOURCE_IRQ,
	},
};

static struct platform_device bfin_can_device = {
	.name = "bfin_can",
	.num_resources = ARRAY_SIZE(bfin_can_resources),
	.resource = bfin_can_resources,
	.dev = {
		.platform_data = &bfin_can_peripherals, /* Passed to driver */
	},
};
#endif

#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
#include <linux/bfin_mac.h>
static const unsigned short bfin_mac_peripherals[] = P_MII0;

static struct bfin_phydev_platform_data bfin_phydev_data[] = {
	{
		.addr = 1,
		.irq = PHY_POLL, /* IRQ_MAC_PHYINT */
	},
};

static struct bfin_mii_bus_platform_data bfin_mii_bus_data = {
	.phydev_number = 1,
	.phydev_data = bfin_phydev_data,
	.phy_mode = PHY_INTERFACE_MODE_MII,
	.mac_peripherals = bfin_mac_peripherals,
};

static struct platform_device bfin_mii_bus = {
	.name = "bfin_mii_bus",
	.dev = {
		.platform_data = &bfin_mii_bus_data,
	}
};

static struct platform_device bfin_mac_device = {
	.name = "bfin_mac",
	.dev = {
		.platform_data = &bfin_mii_bus,
	}
};
#endif

#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
static struct resource net2272_bfin_resources[] = {
	{
		.start = 0x20300000,
		.end = 0x20300000 + 0x100,
		.flags = IORESOURCE_MEM,
	}, {
		.start = 1,
		.flags = IORESOURCE_BUS,
	}, {
		.start = IRQ_PF7,
		.end = IRQ_PF7,
		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
	},
};

static struct platform_device net2272_bfin_device = {
	.name = "net2272",
	.id = -1,
	.num_resources = ARRAY_SIZE(net2272_bfin_resources),
	.resource = net2272_bfin_resources,
};
#endif

#if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
const char *part_probes[] = { "cmdlinepart", "RedBoot", NULL };

static struct mtd_partition bfin_plat_nand_partitions[] = {
	{
		.name   = "linux kernel(nand)",
		.size   = 0x400000,
		.offset = 0,
	}, {
		.name   = "file system(nand)",
		.size   = MTDPART_SIZ_FULL,
		.offset = MTDPART_OFS_APPEND,
	},
};

#define BFIN_NAND_PLAT_CLE 2
#define BFIN_NAND_PLAT_ALE 1
static void bfin_plat_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
{
	struct nand_chip *this = mtd->priv;

	if (cmd == NAND_CMD_NONE)
		return;

	if (ctrl & NAND_CLE)
		writeb(cmd, this->IO_ADDR_W + (1 << BFIN_NAND_PLAT_CLE));
	else
		writeb(cmd, this->IO_ADDR_W + (1 << BFIN_NAND_PLAT_ALE));
}

#define BFIN_NAND_PLAT_READY GPIO_PF3
static int bfin_plat_nand_dev_ready(struct mtd_info *mtd)
{
	return gpio_get_value(BFIN_NAND_PLAT_READY);
}

static struct platform_nand_data bfin_plat_nand_data = {
	.chip = {
		.nr_chips = 1,
		.chip_delay = 30,
		.part_probe_types = part_probes,
		.partitions = bfin_plat_nand_partitions,
		.nr_partitions = ARRAY_SIZE(bfin_plat_nand_partitions),
	},
	.ctrl = {
		.cmd_ctrl  = bfin_plat_nand_cmd_ctrl,
		.dev_ready = bfin_plat_nand_dev_ready,
	},
};

#define MAX(x, y) (x > y ? x : y)
static struct resource bfin_plat_nand_resources = {
	.start = 0x20212000,
	.end   = 0x20212000 + (1 << MAX(BFIN_NAND_PLAT_CLE, BFIN_NAND_PLAT_ALE)),
	.flags = IORESOURCE_MEM,
};

static struct platform_device bfin_async_nand_device = {
	.name = "gen_nand",
	.id = -1,
	.num_resources = 1,
	.resource = &bfin_plat_nand_resources,
	.dev = {
		.platform_data = &bfin_plat_nand_data,
	},
};

static void bfin_plat_nand_init(void)
{
	gpio_request(BFIN_NAND_PLAT_READY, "bfin_nand_plat");
}
#else
static void bfin_plat_nand_init(void) {}
#endif

#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
static struct mtd_partition stamp_partitions[] = {
	{
		.name       = "bootloader(nor)",
		.size       = 0x40000,
		.offset     = 0,
	}, {
		.name       = "linux kernel(nor)",
		.size       = 0x180000,
		.offset     = MTDPART_OFS_APPEND,
	}, {
		.name       = "file system(nor)",
		.size       = 0x400000 - 0x40000 - 0x180000 - 0x10000,
		.offset     = MTDPART_OFS_APPEND,
	}, {
		.name       = "MAC Address(nor)",
		.size       = MTDPART_SIZ_FULL,
		.offset     = 0x3F0000,
		.mask_flags = MTD_WRITEABLE,
	}
};

static struct physmap_flash_data stamp_flash_data = {
	.width      = 2,
	.parts      = stamp_partitions,
	.nr_parts   = ARRAY_SIZE(stamp_partitions),
#ifdef CONFIG_ROMKERNEL
	.probe_type = "map_rom",
#endif
};

static struct resource stamp_flash_resource = {
	.start = 0x20000000,
	.end   = 0x203fffff,
	.flags = IORESOURCE_MEM,
};

static struct platform_device stamp_flash_device = {
	.name          = "physmap-flash",
	.id            = 0,
	.dev = {
		.platform_data = &stamp_flash_data,
	},
	.num_resources = 1,
	.resource      = &stamp_flash_resource,
};
#endif

#if defined(CONFIG_MTD_M25P80) \
	|| defined(CONFIG_MTD_M25P80_MODULE)
static struct mtd_partition bfin_spi_flash_partitions[] = {
	{
		.name = "bootloader(spi)",
		.size = 0x00040000,
		.offset = 0,
		.mask_flags = MTD_CAP_ROM
	}, {
		.name = "linux kernel(spi)",
		.size = 0x180000,
		.offset = MTDPART_OFS_APPEND,
	}, {
		.name = "file system(spi)",
		.size = MTDPART_SIZ_FULL,
		.offset = MTDPART_OFS_APPEND,
	}
};

static struct flash_platform_data bfin_spi_flash_data = {
	.name = "m25p80",
	.parts = bfin_spi_flash_partitions,
	.nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
	/* .type = "m25p64", */
};

/* SPI flash chip (m25p64) */
static struct bfin5xx_spi_chip spi_flash_chip_info = {
	.enable_dma = 0,         /* use dma transfer with this chip*/
};
#endif

#if defined(CONFIG_INPUT_AD714X_SPI) || defined(CONFIG_INPUT_AD714X_SPI_MODULE)
#include <linux/input/ad714x.h>

static struct ad714x_slider_plat ad7147_spi_slider_plat[] = {
	{
		.start_stage = 0,
		.end_stage = 7,
		.max_coord = 128,
	},
};

static struct ad714x_button_plat ad7147_spi_button_plat[] = {
	{
		.keycode = BTN_FORWARD,
		.l_mask = 0,
		.h_mask = 0x600,
	},
	{
		.keycode = BTN_LEFT,
		.l_mask = 0,
		.h_mask = 0x500,
	},
	{
		.keycode = BTN_MIDDLE,
		.l_mask = 0,
		.h_mask = 0x800,
	},
	{
		.keycode = BTN_RIGHT,
		.l_mask = 0x100,
		.h_mask = 0x400,
	},
	{
		.keycode = BTN_BACK,
		.l_mask = 0x200,
		.h_mask = 0x400,