/*
 * arch/arm/mach-tegra/board-ventana.c
 *
 * Copyright (c) 2010, NVIDIA Corporation.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/ctype.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/serial_8250.h>
#include <linux/i2c.h>
#include <linux/i2c/panjit_ts.h>
#include <linux/dma-mapping.h>
#include <linux/delay.h>
#include <linux/i2c-tegra.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>

#include <mach/clk.h>
#include <mach/gpio-tegra.h>
#include <mach/iomap.h>
#include <mach/irqs.h>
#include <mach/pinmux.h>
#include <mach/pinmux-tegra20.h>
#include <mach/iomap.h>
#include <mach/io.h>

#include <asm/hardware/gic.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>

#include "board.h"
#include "clock.h"
#include "board-ventana.h"
#include "devices.h"
#include "gpio-names.h"

static struct plat_serial8250_port debug_uart_platform_data[] = {
	{
		.membase	= IO_ADDRESS(TEGRA_UARTD_BASE),
		.mapbase	= TEGRA_UARTD_BASE,
		.irq		= INT_UARTD,
		.flags		= UPF_BOOT_AUTOCONF,
		.iotype		= UPIO_MEM,
		.regshift	= 2,
		.uartclk	= 216000000,
	}, {
		.flags		= 0,
	}
};

static struct platform_device debug_uart = {
	.name = "serial8250",
	.id = PLAT8250_DEV_PLATFORM,
	.dev = {
		.platform_data = debug_uart_platform_data,
	},
};

static __initdata struct tegra_clk_init_table ventana_clk_init_table[] = {
	/* name		parent		rate		enabled */
	{ "uartd",	"pll_p",	216000000,	true},
	{ "pll_m",	"clk_m",	600000000,	true},
	{ "pwm",	"clk_32k",	32768,		false},
	{ NULL,		NULL,		0,		0},
};

static struct tegra_i2c_platform_data ventana_i2c1_platform_data = {
	.adapter_nr	= 0,
	.bus_count	= 1,
	.bus_clk_rate	= { 400000, 0 },
};

static const struct tegra_pingroup_config i2c2_ddc = {
	.pingroup	= TEGRA_PINGROUP_DDC,
	.func		= TEGRA_MUX_I2C2,
};

static const struct tegra_pingroup_config i2c2_gen2 = {
	.pingroup	= TEGRA_PINGROUP_PTA,
	.func		= TEGRA_MUX_I2C2,
};

static struct tegra_i2c_platform_data ventana_i2c2_platform_data = {
	.adapter_nr	= 1,
	.bus_count	= 2,
	.bus_clk_rate	= { 400000, 100000 },
	.bus_mux	= { &i2c2_ddc, &i2c2_gen2 },
	.bus_mux_len	= { 1, 1 },
};

static struct tegra_i2c_platform_data ventana_i2c3_platform_data = {
	.adapter_nr	= 3,
	.bus_count	= 1,
	.bus_clk_rate	= { 400000, 0 },
};

static struct tegra_i2c_platform_data ventana_dvc_platform_data = {
	.adapter_nr	= 4,
	.bus_count	= 1,
	.bus_clk_rate	= { 400000, 0 },
	.is_dvc		= true,
};

static void ventana_i2c_init(void)
{
	tegra_i2c_device1.dev.platform_data = &ventana_i2c1_platform_data;
	tegra_i2c_device2.dev.platform_data = &ventana_i2c2_platform_data;
	tegra_i2c_device3.dev.platform_data = &ventana_i2c3_platform_data;
	tegra_i2c_device4.dev.platform_data = &ventana_dvc_platform_data;

	platform_device_register(&tegra_i2c_device4);
	platform_device_register(&tegra_i2c_device3);
	platform_device_register(&tegra_i2c_device2);
	platform_device_register(&tegra_i2c_device1);
}

#define GPIO_KEY(_id, _gpio, _iswake)		\
	{					\
		.code = _id,			\
		.gpio = TEGRA_GPIO_##_gpio,	\
		.active_low = 1,		\
		.desc = #_id,			\
		.type = EV_KEY,			\
		.wakeup = _iswake,		\
		.debounce_interval = 10,	\
	}

static struct gpio_keys_button ventana_keys[] = {
	[0] = GPIO_KEY(KEY_MENU, PQ3, 0),
	[1] = GPIO_KEY(KEY_HOME, PQ1, 0),
	[2] = GPIO_KEY(KEY_BACK, PQ2, 0),
	[3] = GPIO_KEY(KEY_VOLUMEUP, PQ5, 0),
	[4] = GPIO_KEY(KEY_VOLUMEDOWN, PQ4, 0),
	[5] = GPIO_KEY(KEY_POWER, PV2, 1),
};

static struct gpio_keys_platform_data ventana_keys_platform_data = {
	.buttons	= ventana_keys,
	.nbuttons	= ARRAY_SIZE(ventana_keys),
};

static struct platform_device ventana_keys_device = {
	.name	= "gpio-keys",
	.id	= 0,
	.dev	= {
		.platform_data	= &ventana_keys_platform_data,
	},
};

static struct platform_device *ventana_devices[] __initdata = {
	&tegra_otg_device,
	&debug_uart,
	&tegra_pmu_device,
	&tegra_udc_device,
	&tegra_gart_device,
	&tegra_aes_device,
	&ventana_keys_device,
};

static void ventana_keys_init(void)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(ventana_keys); i++)
		tegra_gpio_enable(ventana_keys[i].gpio);
}

static struct panjit_i2c_ts_platform_data panjit_data = {
	.gpio_reset = TEGRA_GPIO_PQ7,
};

static const struct i2c_board_info ventana_i2c_bus1_touch_info[] = {
	{
		I2C_BOARD_INFO("panjit_touch", 0x3),
		.irq		= TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_PV6),
		.platform_data	= &panjit_data,
	},
};

static int __init ventana_touch_init(void)
{
	tegra_gpio_enable(TEGRA_GPIO_PV6);

	tegra_gpio_enable(TEGRA_GPIO_PQ7);
	i2c_register_board_info(0, ventana_i2c_bus1_touch_info, 1);

	return 0;
}

static void __init tegra_ventana_init(void)
{
	tegra_clk_init_from_table(ventana_clk_init_table);
	ventana_pinmux_init();

	platform_add_devices(ventana_devices, ARRAY_SIZE(ventana_devices));
	ventana_sdhci_init();
	ventana_i2c_init();
	ventana_regulator_init();
	ventana_touch_init();
	ventana_keys_init();
	ventana_panel_init();
}

MACHINE_START(VENTANA, "ventana")
	.map_io         = tegra_map_common_io,
	.init_early	= tegra20_init_early,
	.init_irq       = tegra_init_irq,
	.handle_irq	= gic_handle_irq,
	.timer          = &tegra_timer,
	.init_machine   = tegra_ventana_init,
	.restart	= tegra_assert_system_reset,
MACHINE_END