diff options
Diffstat (limited to 'arch/arm/mach-mx5/board-mx51_babbage.c')
| -rw-r--r-- | arch/arm/mach-mx5/board-mx51_babbage.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c index 99f7ea903a5..dacf506f18b 100644 --- a/arch/arm/mach-mx5/board-mx51_babbage.c +++ b/arch/arm/mach-mx5/board-mx51_babbage.c @@ -15,6 +15,7 @@ #include <linux/gpio.h> #include <linux/delay.h> #include <linux/io.h> +#include <linux/fsl_devices.h> #include <mach/common.h> #include <mach/hardware.h> @@ -179,12 +180,32 @@ static struct mxc_usbh_platform_data dr_utmi_config = { .flags = MXC_EHCI_INTERNAL_PHY, }; +static struct fsl_usb2_platform_data usb_pdata = { + .operating_mode = FSL_USB2_DR_DEVICE, + .phy_mode = FSL_USB2_PHY_UTMI_WIDE, +}; + static struct mxc_usbh_platform_data usbh1_config = { .init = initialize_usbh1_port, .portsc = MXC_EHCI_MODE_ULPI, .flags = (MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_ITC_NO_THRESHOLD), }; +static int otg_mode_host; + +static int __init babbage_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=", babbage_otg_mode); + /* * Board specific initialization. */ @@ -197,7 +218,12 @@ static void __init mxc_board_init(void) mxc_init_imx_uart(); platform_add_devices(devices, ARRAY_SIZE(devices)); - mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config); + if (otg_mode_host) + mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config); + else { + initialize_otg_port(NULL); + mxc_register_device(&mxc_usbdr_udc_device, &usb_pdata); + } gpio_usbh1_active(); mxc_register_device(&mxc_usbh1_device, &usbh1_config); |