diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31moboard.c')
| -rw-r--r-- | arch/arm/mach-mx3/mx31moboard.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c index b86b8a757c99..53ce60bdc823 100644 --- a/arch/arm/mach-mx3/mx31moboard.c +++ b/arch/arm/mach-mx3/mx31moboard.c @@ -16,6 +16,7 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#include <linux/delay.h> #include <linux/gpio.h> #include <linux/init.h> #include <linux/interrupt.h> @@ -56,6 +57,8 @@ static unsigned int moboard_pins[] = { MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0, MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD, MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27, + /* USB reset */ + MX31_PIN_GPIO1_0__GPIO1_0, }; static struct physmap_flash_data mx31moboard_flash_data = { @@ -143,6 +146,19 @@ static struct imxmmc_platform_data sdhc1_pdata = { .exit = moboard_sdhc1_exit, }; +/* + * this pin is dedicated for all mx31moboard systems, so we do it here + */ +#define USB_RESET_B IOMUX_TO_GPIO(MX31_PIN_GPIO1_0) + +static void usb_xcvr_reset(void) +{ + gpio_request(USB_RESET_B, "usb-reset"); + gpio_direction_output(USB_RESET_B, 0); + mdelay(1); + gpio_set_value(USB_RESET_B, 1); +} + static struct platform_device *devices[] __initdata = { &mx31moboard_flash, }; @@ -168,6 +184,8 @@ static void __init mxc_board_init(void) mxc_register_device(&mxcsdhc_device0, &sdhc1_pdata); + usb_xcvr_reset(); + switch (mx31moboard_baseboard) { case MX31NOBOARD: break; |