linux/arch/arm/mach-tegra/board-paz00.c

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/*
* arch/arm/mach-tegra/board-paz00.c
*
* Copyright (C) 2011 Marc Dietrich <marvin24@gmx.de>
*
* Based on board-harmony.c
* Copyright (C) 2010 Google, Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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/clk.h>
#include <linux/dma-mapping.h>
#include <linux/pda_power.h>
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/i2c-tegra.h>
#include <linux/platform_data/tegra_usb.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/setup.h>
#include <mach/iomap.h>
#include <mach/irqs.h>
#include <mach/sdhci.h>
#include <mach/usb_phy.h>
#include <mach/gpio.h>
#include "board.h"
#include "board-paz00.h"
#include "clock.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 struct platform_device *paz00_devices[] __initdata = {
&debug_uart,
&tegra_sdhci_device1,
&tegra_sdhci_device2,
&tegra_sdhci_device4,
};
static struct tegra_i2c_platform_data paz00_i2c1_platform_data = {
.bus_clk_rate = 400000,
};
static struct tegra_i2c_platform_data paz00_i2c2_platform_data = {
.bus_clk_rate = 400000,
};
static struct tegra_i2c_platform_data paz00_dvc_platform_data = {
.bus_clk_rate = 400000,
};
static void paz00_i2c_init(void)
{
tegra_i2c_device1.dev.platform_data = &paz00_i2c1_platform_data;
tegra_i2c_device2.dev.platform_data = &paz00_i2c2_platform_data;
tegra_i2c_device4.dev.platform_data = &paz00_dvc_platform_data;
platform_device_register(&tegra_i2c_device1);
platform_device_register(&tegra_i2c_device2);
platform_device_register(&tegra_i2c_device4);
}
static struct tegra_ulpi_config ulpi_phy_config = {
.reset_gpio = TEGRA_ULPI_RST,
.clk = "cdev2",
};
static struct tegra_ehci_platform_data tegra_ehci_pdata[] = {
[0] = {
.operating_mode = TEGRA_USB_OTG,
.power_down_on_bus_suspend = 1,
},
[1] = {
.phy_config = &ulpi_phy_config,
.operating_mode = TEGRA_USB_HOST,
.power_down_on_bus_suspend = 1,
},
[2] = {
.operating_mode = TEGRA_USB_HOST,
.power_down_on_bus_suspend = 1,
},
};
static void paz00_usb_init(void)
{
tegra_ehci2_device.dev.platform_data = &tegra_ehci_pdata[1];
tegra_ehci3_device.dev.platform_data = &tegra_ehci_pdata[2];
platform_device_register(&tegra_ehci2_device);
platform_device_register(&tegra_ehci3_device);
}
static void __init tegra_paz00_fixup(struct machine_desc *desc,
struct tag *tags, char **cmdline, struct meminfo *mi)
{
mi->nr_banks = 1;
mi->bank[0].start = PHYS_OFFSET;
mi->bank[0].size = 448 * SZ_1M;
}
static __initdata struct tegra_clk_init_table paz00_clk_init_table[] = {
/* name parent rate enabled */
{ "uartd", "pll_p", 216000000, true },
{ NULL, NULL, 0, 0},
};
static struct tegra_sdhci_platform_data sdhci_pdata1 = {
.cd_gpio = TEGRA_GPIO_SD1_CD,
.wp_gpio = TEGRA_GPIO_SD1_WP,
.power_gpio = TEGRA_GPIO_SD1_POWER,
};
static struct tegra_sdhci_platform_data sdhci_pdata2 = {
.cd_gpio = -1,
.wp_gpio = -1,
.power_gpio = -1,
};
static struct tegra_sdhci_platform_data sdhci_pdata4 = {
.cd_gpio = TEGRA_GPIO_SD4_CD,
.wp_gpio = TEGRA_GPIO_SD4_WP,
.power_gpio = TEGRA_GPIO_SD4_POWER,
.is_8bit = 1,
};
static void __init tegra_paz00_init(void)
{
tegra_clk_init_from_table(paz00_clk_init_table);
paz00_pinmux_init();
tegra_sdhci_device1.dev.platform_data = &sdhci_pdata1;
tegra_sdhci_device2.dev.platform_data = &sdhci_pdata2;
tegra_sdhci_device4.dev.platform_data = &sdhci_pdata4;
platform_add_devices(paz00_devices, ARRAY_SIZE(paz00_devices));
paz00_i2c_init();
paz00_usb_init();
}
MACHINE_START(PAZ00, "paz00")
.boot_params = 0x00000100,
.fixup = tegra_paz00_fixup,
.map_io = tegra_map_common_io,
.init_early = tegra_init_early,
.init_irq = tegra_init_irq,
.timer = &tegra_timer,
.init_machine = tegra_paz00_init,
MACHINE_END