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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 config MACH_PCM043
bool "Support Phytec pcm043 (i.MX35) platforms" bool "Support Phytec pcm043 (i.MX35) platforms"
select ARCH_MX35 select ARCH_MX35
select MXC_ULPI if USB_ULPI
help help
Include support for Phytec pcm043 platform. This includes Include support for Phytec pcm043 platform. This includes
specific configurations for the board and its peripherals. 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/interrupt.h>
#include <linux/i2c.h> #include <linux/i2c.h>
#include <linux/i2c/at24.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-types.h>
#include <asm/mach/arch.h> #include <asm/mach/arch.h>
@ -44,6 +47,8 @@
#include <mach/ipu.h> #include <mach/ipu.h>
#include <mach/mx3fb.h> #include <mach/mx3fb.h>
#include <mach/mxc_nand.h> #include <mach/mxc_nand.h>
#include <mach/mxc_ehci.h>
#include <mach/ulpi.h>
#include "devices.h" #include "devices.h"
@ -205,6 +210,9 @@ static struct pad_desc pcm043_pads[] = {
MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS, MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS,
/* gpio */ /* gpio */
MX35_PAD_ATA_CS0__GPIO2_6, 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 = { 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, .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. * 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_ipu, &mx3_ipu_data);
mxc_register_device(&mx3_fb, &mx3fb_pdata); 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) static void __init pcm043_timer_init(void)