diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31moboard.c')
| -rw-r--r-- | arch/arm/mach-mx3/mx31moboard.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c index 53ce60bdc82..2852bd58eda 100644 --- a/arch/arm/mach-mx3/mx31moboard.c +++ b/arch/arm/mach-mx3/mx31moboard.c @@ -17,6 +17,7 @@ */ #include <linux/delay.h> +#include <linux/fsl_devices.h> #include <linux/gpio.h> #include <linux/init.h> #include <linux/interrupt.h> @@ -59,6 +60,18 @@ static unsigned int moboard_pins[] = { MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27, /* USB reset */ MX31_PIN_GPIO1_0__GPIO1_0, + /* USB OTG */ + MX31_PIN_USBOTG_DATA0__USBOTG_DATA0, + MX31_PIN_USBOTG_DATA1__USBOTG_DATA1, + MX31_PIN_USBOTG_DATA2__USBOTG_DATA2, + MX31_PIN_USBOTG_DATA3__USBOTG_DATA3, + MX31_PIN_USBOTG_DATA4__USBOTG_DATA4, + MX31_PIN_USBOTG_DATA5__USBOTG_DATA5, + MX31_PIN_USBOTG_DATA6__USBOTG_DATA6, + MX31_PIN_USBOTG_DATA7__USBOTG_DATA7, + MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR, + MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP, + MX31_PIN_USB_OC__GPIO1_30, }; static struct physmap_flash_data mx31moboard_flash_data = { @@ -159,6 +172,35 @@ static void usb_xcvr_reset(void) gpio_set_value(USB_RESET_B, 1); } +#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ + PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) + +#define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC) + +static void moboard_usbotg_init(void) +{ + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG); + + gpio_request(OTG_EN_B, "usb-udc-en"); + gpio_direction_output(OTG_EN_B, 0); +} + +static struct fsl_usb2_platform_data usb_pdata = { + .operating_mode = FSL_USB2_DR_DEVICE, + .phy_mode = FSL_USB2_PHY_ULPI, +}; + static struct platform_device *devices[] __initdata = { &mx31moboard_flash, }; @@ -186,6 +228,9 @@ static void __init mxc_board_init(void) usb_xcvr_reset(); + moboard_usbotg_init(); + mxc_register_device(&mxc_otg_udc_device, &usb_pdata); + switch (mx31moboard_baseboard) { case MX31NOBOARD: break; |