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i.MX27 pca100: Add USB support

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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2010-02-04 14:32:53 +01:00
parent ee14373cdc
commit cb2dc111b1
2 changed files with 54 additions and 0 deletions
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1
arch/arm/mach-mx3/Kconfig
View File

@ -87,6 +87,7 @@ config MACH_QONG
config MACH_PCM043
bool "Support Phytec pcm043 (i.MX35) platforms"
select ARCH_MX35
select MXC_ULPI if USB_ULPI
help
Include support for Phytec pcm043 platform. This includes
specific configurations for the board and its peripherals.

53
arch/arm/mach-mx3/mach-pcm043.c
View File

@ -28,6 +28,9 @@
#include <linux/interrupt.h>
#include <linux/i2c.h>
#include <linux/i2c/at24.h>
#include <linux/usb/otg.h>
#include <linux/usb/ulpi.h>
#include <linux/fsl_devices.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@ -44,6 +47,8 @@
#include <mach/ipu.h>
#include <mach/mx3fb.h>
#include <mach/mxc_nand.h>
#include <mach/mxc_ehci.h>
#include <mach/ulpi.h>
#include "devices.h"
@ -205,6 +210,9 @@ static struct pad_desc pcm043_pads[] = {
MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS,
/* gpio */
MX35_PAD_ATA_CS0__GPIO2_6,
/* USB host */
MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
};
static struct mxc_nand_platform_data pcm037_nand_board_info = {
@ -212,6 +220,37 @@ static struct mxc_nand_platform_data pcm037_nand_board_info = {
.hw_ecc = 1,
};
static struct mxc_usbh_platform_data otg_pdata = {
.portsc = MXC_EHCI_MODE_UTMI,
.flags = MXC_EHCI_INTERFACE_DIFF_UNI,
};
static struct mxc_usbh_platform_data usbh1_pdata = {
.portsc = MXC_EHCI_MODE_SERIAL,
.flags = MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY |
MXC_EHCI_IPPUE_DOWN,
};
static struct fsl_usb2_platform_data otg_device_pdata = {
.operating_mode = FSL_USB2_DR_DEVICE,
.phy_mode = FSL_USB2_PHY_UTMI,
};
static int otg_mode_host;
static int __init pcm043_otg_mode(char *options)
{
if (!strcmp(options, "host"))
otg_mode_host = 1;
else if (!strcmp(options, "device"))
otg_mode_host = 0;
else
pr_info("otg_mode neither \"host\" nor \"device\". "
"Defaulting to device\n");
return 0;
}
__setup("otg_mode=", pcm043_otg_mode);
/*
* Board specific initialization.
*/
@ -235,6 +274,20 @@ static void __init mxc_board_init(void)
mxc_register_device(&mx3_ipu, &mx3_ipu_data);
mxc_register_device(&mx3_fb, &mx3fb_pdata);
#if defined(CONFIG_USB_ULPI)
if (otg_mode_host) {
otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
mxc_register_device(&mxc_otg_host, &otg_pdata);
}
mxc_register_device(&mxc_usbh1, &usbh1_pdata);
#endif
if (!otg_mode_host)
mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
}
static void __init pcm043_timer_init(void)