/*
* Copyright (c) 2010, 2011 NVIDIA Corporation.
* Copyright (C) 2010, 2011 Google, Inc.
*
* 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.
*
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
#include <linux/i2c.h>
#include <linux/i2c-tegra.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <mach/iomap.h>
#include <mach/irqs.h>
#include <mach/sdhci.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include "board.h"
#include "board-seaboard.h"
#include "clock.h"
#include "devices.h"
#include "gpio-names.h"
static struct plat_serial8250_port debug_uart_platform_data[] = {
{
/* Memory and IRQ filled in before registration */
.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 seaboard_clk_init_table[] = {
/* name parent rate enabled */
{ "uartb", "pll_p", 216000000, true},
{ "uartd", "pll_p", 216000000, true},
{ NULL, NULL, 0, 0},
};
static struct tegra_i2c_platform_data seaboard_i2c1_platform_data = {
.bus_clk_rate = 400000.
};
static struct tegra_i2c_platform_data seaboard_i2c2_platform_data = {
.bus_clk_rate = 400000,
};
static struct tegra_i2c_platform_data seaboard_i2c3_platform_data = {
.bus_clk_rate = 400000,
};
static struct tegra_i2c_platform_data seaboard_dvc_platform_data = {
.bus_clk_rate = 400000,
};
static struct gpio_keys_button seaboard_gpio_keys_buttons[] = {
{
.code = SW_LID,
.gpio = TEGRA_GPIO_LIDSWITCH,
.active_low = 0,
.desc = "Lid",
.type = EV_SW,
.wakeup = 1,
.debounce_interval = 1,
},
{
.code = KEY_POWER,
.gpio = TEGRA_GPIO_POWERKEY,
.active_low = 1,
.desc = "Power",
.type = EV_KEY,
.wakeup = 1,
},
};
static struct gpio_keys_platform_data seaboard_gpio_keys = {
.buttons = seaboard_gpio_keys_buttons,
.nbuttons = ARRAY_SIZE(seaboard_gpio_keys_buttons),
};
static struct platform_device seaboard_gpio_keys_device = {
.name = "gpio-keys",
.id = -1,
.dev = {
.platform_data = &seaboard_gpio_keys,
}
};
static struct tegra_sdhci_platform_data sdhci_pdata1 = {
.cd_gpio = -1,
.wp_gpio = -1,
.power_gpio = -1,
};
static struct tegra_sdhci_platform_data sdhci_pdata3 = {
.cd_gpio = TEGRA_GPIO_SD2_CD,
.wp_gpio = TEGRA_GPIO_SD2_WP,
.power_gpio = TEGRA_GPIO_SD2_POWER,
};
static struct tegra_sdhci_platform_data sdhci_pdata4 = {
.cd_gpio = -1,
.wp_gpio = -1,
.power_gpio = -1,
.is_8bit = 1,
};
static struct platform_device *seaboard_devices[] __initdata = {
&debug_uart,
&tegra_pmu_device,
&tegra_sdhci_device1,
&tegra_sdhci_device3,
&tegra_sdhci_device4,
&seaboard_gpio_keys_device,
};
static struct i2c_board_info __initdata isl29018_device = {
I2C_BOARD_INFO("isl29018", 0x44),
.irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_ISL29018_IRQ),
};
static struct i2c_board_info __initdata adt7461_device = {
I2C_BOARD_INFO("adt7461", 0x4c),
};
static void __init seaboard_i2c_init(void)
{
gpio_request(TEGRA_GPIO_ISL29018_IRQ, "isl29018");
gpio_direction_input(TEGRA_GPIO_ISL29018_IRQ);
i2c_register_board_info(0, &isl29018_device, 1);
i2c_register_board_info(4, &adt7461_device, 1);
tegra_i2c_device1.dev.platform_data = &seaboard_i2c1_platform_data;
tegra_i2c_device2.dev.platform_data = &seaboard_i2c2_platform_data;
tegra_i2c_device3.dev.platform_data = &seaboard_i2c3_platform_data;
tegra_i2c_device4.dev.platform_data = &seaboard_dvc_platform_data;
platform_device_register(&tegra_i2c_device1);
platform_device_register(&tegra_i2c_device2);
platform_device_register(&tegra_i2c_device3);
platform_device_register(&tegra_i2c_device4);
}
static void __init seaboard_common_init(void)
{
seaboard_pinmux_init();
tegra_clk_init_from_table(seaboard_clk_init_table);
tegra_sdhci_device1.dev.platform_data = &sdhci_pdata1;
tegra_sdhci_device3.dev.platform_data = &sdhci_pdata3;
tegra_sdhci_device4.dev.platform_data = &sdhci_pdata4;
platform_add_devices(seaboard_devices, ARRAY_SIZE(seaboard_devices));
}
static void __init tegra_seaboard_init(void)
{
/* Seaboard uses UARTD for the debug port. */
debug_uart_platform_data[0].membase = IO_ADDRESS(TEGRA_UARTD_BASE);
debug_uart_platform_data[0].mapbase = TEGRA_UARTD_BASE;
debug_uart_platform_data[0].irq = INT_UARTD;
seaboard_common_init();
seaboard_i2c_init();
}
static void __init tegra_kaen_init(void)
{
/* Kaen uses UARTB for the debug port. */
debug_uart_platform_data[0].membase = IO_ADDRESS(TEGRA_UARTB_BASE);
debug_uart_platform_data[0].mapbase = TEGRA_UARTB_BASE;
debug_uart_platform_data[0].irq = INT_UARTB;
seaboard_common_init();
seaboard_i2c_init();
}
static void __init tegra_wario_init(void)
{
/* Wario uses UARTB for the debug port. */
debug_uart_platform_data[0].membase = IO_ADDRESS(TEGRA_UARTB_BASE);
debug_uart_platform_data[0].mapbase = TEGRA_UARTB_BASE;
debug_uart_platform_data[0].irq = INT_UARTB;
seaboard_common_init();
seaboard_i2c_init();
}
MACHINE_START(SEABOARD, "seaboard")
.boot_params = 0x00000100,
.map_io = tegra_map_common_io,
.init_early = tegra_init_early,
.init_irq = tegra_init_irq,
.timer = &tegra_timer,
.init_machine = tegra_seaboard_init,
MACHINE_END
MACHINE_START(KAEN, "kaen")
.boot_params = 0x00000100,
.map_io = tegra_map_common_io,
.init_early = tegra_init_early,
.init_irq = tegra_init_irq,
.timer = &tegra_timer,
.init_machine = tegra_kaen_init,
MACHINE_END
MACHINE_START(WARIO, "wario")
.boot_params = 0x00000100,
.map_io = tegra_map_common_io,
.init_early = tegra_init_early,
.init_irq = tegra_init_irq,
.timer = &tegra_timer,
.init_machine = tegra_wario_init,
MACHINE_END
