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ARM: tegra: paz00: enable usb ports

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This patch add support for the second and third ehci bus on paz00.
The first bus needs gadget and nvec support and will be added once
the needed patches are upstream.

Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Colin Cross <ccross@android.com>
This commit is contained in:
Marc Dietrich 2011-05-19 14:08:27 +02:00 committed by Colin Cross
parent dda9cd289c
commit 13db7a7f41
3 changed files with 36 additions and 1 deletions
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1
arch/arm/mach-tegra/board-paz00-pinmux.c
View file

@ -147,6 +147,7 @@ static struct tegra_gpio_table gpio_table[] = {
{ .gpio = TEGRA_GPIO_SD4_CD, .enable = true },
{ .gpio = TEGRA_GPIO_SD4_WP, .enable = true },
{ .gpio = TEGRA_GPIO_SD4_POWER, .enable = true },
{ .gpio = TEGRA_ULPI_RST, .enable = true },
};
void paz00_pinmux_init(void)

35
arch/arm/mach-tegra/board-paz00.c
View file

@ -27,6 +27,7 @@
#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>
@ -36,6 +37,8 @@
#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"
@ -95,6 +98,36 @@ static void paz00_i2c_init(void)
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)
{
@ -109,7 +142,6 @@ static __initdata struct tegra_clk_init_table paz00_clk_init_table[] = {
{ NULL, NULL, 0, 0},
};
static struct tegra_sdhci_platform_data sdhci_pdata1 = {
.cd_gpio = TEGRA_GPIO_SD1_CD,
.wp_gpio = TEGRA_GPIO_SD1_WP,
@ -142,6 +174,7 @@ static void __init tegra_paz00_init(void)
platform_add_devices(paz00_devices, ARRAY_SIZE(paz00_devices));
paz00_i2c_init();
paz00_usb_init();
}
MACHINE_START(PAZ00, "paz00")

1
arch/arm/mach-tegra/board-paz00.h
View file

@ -23,6 +23,7 @@
#define TEGRA_GPIO_SD4_CD TEGRA_GPIO_PH2
#define TEGRA_GPIO_SD4_WP TEGRA_GPIO_PH3
#define TEGRA_GPIO_SD4_POWER TEGRA_GPIO_PI6
#define TEGRA_ULPI_RST TEGRA_GPIO_PV0
void paz00_pinmux_init(void);