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SMDK5250: Enable VBus for USB 2.0 controller

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This patch enables Vbus required for USB 2.0 controller.

Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
This commit is contained in:
Vivek Gautam 2013-01-07 23:37:18 +00:00 committed by Minkyu Kang
parent 6abd1620be
commit 9a0c4f9b87
1 changed files with 19 additions and 0 deletions
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19
board/samsung/smdk5250/smdk5250.c
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@ -35,11 +35,30 @@
DECLARE_GLOBAL_DATA_PTR; DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_USB_EHCI_EXYNOS
int board_usb_vbus_init(void)
{
struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *)
samsung_get_base_gpio_part1();
/* Enable VBUS power switch */
s5p_gpio_direction_output(&gpio1->x2, 6, 1);
/* VBUS turn ON time */
mdelay(3);
return 0;
}
#endif
int board_init(void) int board_init(void)
{ {
gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL); gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
#ifdef CONFIG_EXYNOS_SPI #ifdef CONFIG_EXYNOS_SPI
spi_init(); spi_init();
#endif
#ifdef CONFIG_USB_EHCI_EXYNOS
board_usb_vbus_init();
#endif #endif
return 0; return 0;
} }