/*
 * Board support file for OMAP4430 SDP.
 *
 * Copyright (C) 2009 Texas Instruments
 *
 * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
 *
 * Based on mach-omap2/board-3430sdp.c
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/usb/otg.h>
#include <linux/spi/spi.h>
#include <linux/i2c/twl.h>
#include <linux/gpio_keys.h>
#include <linux/regulator/machine.h>
#include <linux/leds.h>

#include <mach/hardware.h>
#include <mach/omap4-common.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include <plat/board.h>
#include <plat/common.h>
#include <plat/usb.h>
#include <plat/mmc.h>

#include "hsmmc.h"
#include "timer-gp.h"
#include "control.h"

#define ETH_KS8851_IRQ			34
#define ETH_KS8851_POWER_ON		48
#define ETH_KS8851_QUART		138
#define OMAP4SDP_MDM_PWR_EN_GPIO	157
#define OMAP4_SFH7741_SENSOR_OUTPUT_GPIO	184
#define OMAP4_SFH7741_ENABLE_GPIO		188

static struct gpio_led sdp4430_gpio_leds[] = {
	{
		.name	= "omap4:green:debug0",
		.gpio	= 61,
	},
	{
		.name	= "omap4:green:debug1",
		.gpio	= 30,
	},
	{
		.name	= "omap4:green:debug2",
		.gpio	= 7,
	},
	{
		.name	= "omap4:green:debug3",
		.gpio	= 8,
	},
	{
		.name	= "omap4:green:debug4",
		.gpio	= 50,
	},
	{
		.name	= "omap4:blue:user",
		.gpio	= 169,
	},
	{
		.name	= "omap4:red:user",
		.gpio	= 170,
	},
	{
		.name	= "omap4:green:user",
		.gpio	= 139,
	},

};

static struct gpio_keys_button sdp4430_gpio_keys[] = {
	{
		.desc			= "Proximity Sensor",
		.type			= EV_SW,
		.code			= SW_FRONT_PROXIMITY,
		.gpio			= OMAP4_SFH7741_SENSOR_OUTPUT_GPIO,
		.active_low		= 0,
	}
};

static struct gpio_led_platform_data sdp4430_led_data = {
	.leds	= sdp4430_gpio_leds,
	.num_leds	= ARRAY_SIZE(sdp4430_gpio_leds),
};

static int omap_prox_activate(struct device *dev)
{
	gpio_set_value(OMAP4_SFH7741_ENABLE_GPIO , 1);
	return 0;
}

static void omap_prox_deactivate(struct device *dev)
{
	gpio_set_value(OMAP4_SFH7741_ENABLE_GPIO , 0);
}

static struct gpio_keys_platform_data sdp4430_gpio_keys_data = {
	.buttons	= sdp4430_gpio_keys,
	.nbuttons	= ARRAY_SIZE(sdp4430_gpio_keys),
	.enable		= omap_prox_activate,
	.disable	= omap_prox_deactivate,
};

static struct platform_device sdp4430_gpio_keys_device = {
	.name	= "gpio-keys",
	.id	= -1,
	.dev	= {
		.platform_data	= &sdp4430_gpio_keys_data,
	},
};

static struct platform_device sdp4430_leds_gpio = {
	.name	= "leds-gpio",
	.id	= -1,
	.dev	= {
		.platform_data = &sdp4430_led_data,
	},
};
static struct spi_board_info sdp4430_spi_board_info[] __initdata = {
	{
		.modalias               = "ks8851",
		.bus_num                = 1,
		.chip_select            = 0,
		.max_speed_hz           = 24000000,
		.irq                    = ETH_KS8851_IRQ,
	},
};

static int omap_ethernet_init(void)
{
	int status;

	/* Request of GPIO lines */

	status = gpio_request(ETH_KS8851_POWER_ON, "eth_power");
	if (status) {
		pr_err("Cannot request GPIO %d\n", ETH_KS8851_POWER_ON);
		return status;
	}

	status = gpio_request(ETH_KS8851_QUART, "quart");
	if (status) {
		pr_err("Cannot request GPIO %d\n", ETH_KS8851_QUART);
		goto error1;
	}

	status = gpio_request(ETH_KS8851_IRQ, "eth_irq");
	if (status) {
		pr_err("Cannot request GPIO %d\n", ETH_KS8851_IRQ);
		goto error2;
	}

	/* Configuration of requested GPIO lines */

	status = gpio_direction_output(ETH_KS8851_POWER_ON, 1);
	if (status) {
		pr_err("Cannot set output GPIO %d\n", ETH_KS8851_IRQ);
		goto error3;
	}

	status = gpio_direction_output(ETH_KS8851_QUART, 1);
	if (status) {
		pr_err("Cannot set output GPIO %d\n", ETH_KS8851_QUART);
		goto error3;
	}

	status = gpio_direction_input(ETH_KS8851_IRQ);
	if (status) {
		pr_err("Cannot set input GPIO %d\n", ETH_KS8851_IRQ);
		goto error3;
	}

	return 0;

error3:
	gpio_free(ETH_KS8851_IRQ);
error2:
	gpio_free(ETH_KS8851_QUART);
error1:
	gpio_free(ETH_KS8851_POWER_ON);
	return status;
}

static struct platform_device sdp4430_lcd_device = {
	.name		= "sdp4430_lcd",
	.id		= -1,
};

static struct platform_device *sdp4430_devices[] __initdata = {
	&sdp4430_lcd_device,
	&sdp4430_gpio_keys_device,
	&sdp4430_leds_gpio,
};

static struct omap_lcd_config sdp4430_lcd_config __initdata = {
	.ctrl_name	= "internal",
};

static struct omap_board_config_kernel sdp4430_config[] __initdata = {
	{ OMAP_TAG_LCD,		&sdp4430_lcd_config },
};

static void __init omap_4430sdp_init_irq(void)
{
	omap_board_config = sdp4430_config;
	omap_board_config_size = ARRAY_SIZE(sdp4430_config);
	omap2_init_common_hw(NULL, NULL);
#ifdef CONFIG_OMAP_32K_TIMER
	omap2_gp_clockevent_set_gptimer(1);
#endif
	gic_init_irq();
	omap_gpio_init();
}

static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
	.port_mode[0]	= EHCI_HCD_OMAP_MODE_PHY,
	.port_mode[1]	= EHCI_HCD_OMAP_MODE_UNKNOWN,
	.port_mode[2]	= EHCI_HCD_OMAP_MODE_UNKNOWN,
	.phy_reset	= false,
	.reset_gpio_port[0]  = -EINVAL,
	.reset_gpio_port[1]  = -EINVAL,
	.reset_gpio_port[2]  = -EINVAL,
};

static struct omap_musb_board_data musb_board_data = {
	.interface_type		= MUSB_INTERFACE_UTMI,
	.mode			= MUSB_PERIPHERAL,
	.power			= 100,
};

static struct omap2_hsmmc_info mmc[] = {
	{
		.mmc		= 1,
		.caps		= MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
		.gpio_wp	= -EINVAL,
	},
	{
		.mmc		= 2,
		.caps		=  MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= -EINVAL,
		.nonremovable   = true,
		.ocr_mask	= MMC_VDD_29_30,
	},
	{}	/* Terminator */
};

static struct regulator_consumer_supply sdp4430_vaux_supply[] = {
	{
		.supply = "vmmc",
		.dev_name = "mmci-omap-hs.1",
	},
};
static struct regulator_consumer_supply sdp4430_vmmc_supply[] = {
	{
		.supply = "vmmc",
		.dev_name = "mmci-omap-hs.0",
	},
};

static int omap4_twl6030_hsmmc_late_init(struct device *dev)
{
	int ret = 0;
	struct platform_device *pdev = container_of(dev,
				struct platform_device, dev);
	struct omap_mmc_platform_data *pdata = dev->platform_data;

	/* Setting MMC1 Card detect Irq */
	if (pdev->id == 0) {
		ret = twl6030_mmc_card_detect_config();
		if (ret)
			pr_err("Failed configuring MMC1 card detect\n");
		pdata->slots[0].card_detect_irq = TWL6030_IRQ_BASE +
						MMCDETECT_INTR_OFFSET;
		pdata->slots[0].card_detect = twl6030_mmc_card_detect;
	}
	return ret;
}

static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
{
	struct omap_mmc_platform_data *pdata;

	/* dev can be null if CONFIG_MMC_OMAP_HS is not set */
	if (!dev) {
		pr_err("Failed %s\n", __func__);
		return;
	}
	pdata = dev->platform_data;
	pdata->init =	omap4_twl6030_hsmmc_late_init;
}

static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
{
	struct omap2_hsmmc_info *c;

	omap2_hsmmc_init(controllers);
	for (c = controllers; c->mmc; c++)
		omap4_twl6030_hsmmc_set_late_init(c->dev);

	return 0;
}

static struct regulator_init_data sdp4430_vaux1 = {
	.constraints = {
		.min_uV			= 1000000,
		.max_uV			= 3000000,
		.apply_uV		= true,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
					| REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies  = 1,
	.consumer_supplies      = sdp4430_vaux_supply,
};

static struct regulator_init_data sdp4430_vaux2 = {
	.constraints = {
		.min_uV			= 1200000,
		.max_uV			= 2800000,
		.apply_uV		= true,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
					| REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
};

static struct regulator_init_data sdp4430_vaux3 = {
	.constraints = {
		.min_uV			= 1000000,
		.max_uV			= 3000000,
		.apply_uV		= true,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
					| REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
};

/* VMMC1 for MMC1 card */
static struct regulator_init_data sdp4430_vmmc = {
	.constraints = {
		.min_uV			= 1200000,
		.max_uV			= 3000000,
		.apply_uV		= true,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
					| REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies  = 1,
	.consumer_supplies      = sdp4430_vmmc_supply,
};

static struct regulator_init_data sdp4430_vpp = {
	.constraints = {
		.min_uV			= 1800000,
		.max_uV			= 2500000,
		.apply_uV		= true,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
					| REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
};

static struct regulator_init_data sdp4430_vusim = {
	.constraints = {
		.min_uV			= 1200000,
		.max_uV			= 2900000,
		.apply_uV		= true,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
					| REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
};

static struct regulator_init_data sdp4430_vana = {
	.constraints = {
		.min_uV			= 2100000,
		.max_uV			= 2100000,
		.apply_uV		= true,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask	 = REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
};

static struct regulator_init_data sdp4430_vcxio = {
	.constraints = {
		.min_uV			= 1800000,
		.max_uV			= 1800000,
		.apply_uV		= true,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask	 = REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
};

static struct regulator_init_data sdp4430_vdac = {
	.constraints = {
		.min_uV			= 1800000,
		.max_uV			= 1800000,
		.apply_uV		= true,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask	 = REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
};

static struct regulator_init_data sdp4430_vusb = {
	.constraints = {
		.min_uV			= 3300000,
		.max_uV			= 3300000,
		.apply_uV		= true,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask	 =	REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
};

static struct twl4030_platform_data sdp4430_twldata = {
	.irq_base	= TWL6030_IRQ_BASE,
	.irq_end	= TWL6030_IRQ_END,

	/* Regulators */
	.vmmc		= &sdp4430_vmmc,
	.vpp		= &sdp4430_vpp,
	.vusim		= &sdp4430_vusim,
	.vana		= &sdp4430_vana,
	.vcxio		= &sdp4430_vcxio,
	.vdac		= &sdp4430_vdac,
	.vusb		= &sdp4430_vusb,
	.vaux1		= &sdp4430_vaux1,
	.vaux2		= &sdp4430_vaux2,
	.vaux3		= &sdp4430_vaux3,
};

static struct i2c_board_info __initdata sdp4430_i2c_boardinfo[] = {
	{
		I2C_BOARD_INFO("twl6030", 0x48),
		.flags = I2C_CLIENT_WAKE,
		.irq = OMAP44XX_IRQ_SYS_1N,
		.platform_data = &sdp4430_twldata,
	},
};
static struct i2c_board_info __initdata sdp4430_i2c_3_boardinfo[] = {
	{
		I2C_BOARD_INFO("tmp105", 0x48),
	},
};
static struct i2c_board_info __initdata sdp4430_i2c_4_boardinfo[] = {
	{
		I2C_BOARD_INFO("hmc5843", 0x1e),
	},
};
static int __init omap4_i2c_init(void)
{
	/*
	 * Phoenix Audio IC needs I2C1 to
	 * start with 400 KHz or less
	 */
	omap_register_i2c_bus(1, 400, sdp4430_i2c_boardinfo,
			ARRAY_SIZE(sdp4430_i2c_boardinfo));
	omap_register_i2c_bus(2, 400, NULL, 0);
	omap_register_i2c_bus(3, 400, sdp4430_i2c_3_boardinfo,
				ARRAY_SIZE(sdp4430_i2c_3_boardinfo));
	omap_register_i2c_bus(4, 400, sdp4430_i2c_4_boardinfo,
				ARRAY_SIZE(sdp4430_i2c_4_boardinfo));
	return 0;
}

static void __init omap_sfh7741prox_init(void)
{
	int  error;

	error = gpio_request(OMAP4_SFH7741_ENABLE_GPIO, "sfh7741");
	if (error < 0) {
		pr_err("%s:failed to request GPIO %d, error %d\n",
			__func__, OMAP4_SFH7741_ENABLE_GPIO, error);
		return;
	}

	error = gpio_direction_output(OMAP4_SFH7741_ENABLE_GPIO , 0);
	if (error < 0) {
		pr_err("%s: GPIO configuration failed: GPIO %d,error %d\n",
			 __func__, OMAP4_SFH7741_ENABLE_GPIO, error);
		gpio_free(OMAP4_SFH7741_ENABLE_GPIO);
	}
}

static void __init omap_4430sdp_init(void)
{
	int status;

	omap4_i2c_init();
	omap_sfh7741prox_init();
	platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
	omap_serial_init();
	omap4_twl6030_hsmmc_init(mmc);

	/* Power on the ULPI PHY */
	if (gpio_is_valid(OMAP4SDP_MDM_PWR_EN_GPIO)) {
		/* FIXME: Assumes pad is already muxed for GPIO mode */
		gpio_request(OMAP4SDP_MDM_PWR_EN_GPIO, "USBB1 PHY VMDM_3V3");
		gpio_direction_output(OMAP4SDP_MDM_PWR_EN_GPIO, 1);
	}
	usb_ehci_init(&ehci_pdata);

	/* OMAP4 SDP uses internal transceiver so register nop transceiver */
	usb_nop_xceiv_register();
	/* FIXME: allow multi-omap to boot until musb is updated for omap4 */
	if (!cpu_is_omap44xx())
		usb_musb_init(&musb_board_data);

	status = omap_ethernet_init();
	if (status) {
		pr_err("Ethernet initialization failed: %d\n", status);
	} else {
		sdp4430_spi_board_info[0].irq = gpio_to_irq(ETH_KS8851_IRQ);
		spi_register_board_info(sdp4430_spi_board_info,
				ARRAY_SIZE(sdp4430_spi_board_info));
	}
}

static void __init omap_4430sdp_map_io(void)
{
	omap2_set_globals_443x();
	omap44xx_map_common_io();
}

MACHINE_START(OMAP_4430SDP, "OMAP4430 4430SDP board")
	/* Maintainer: Santosh Shilimkar - Texas Instruments Inc */
	.boot_params	= 0x80000100,
	.map_io		= omap_4430sdp_map_io,
	.reserve	= omap_reserve,
	.init_irq	= omap_4430sdp_init_irq,
	.init_machine	= omap_4430sdp_init,
	.timer		= &omap_timer,
MACHINE_END