SMDK5250: Enable VBus for USB 2.0 controller

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>

diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c
index 73c3ec0..d80f75d 100644 (file)
--- a/board/samsung/smdk5250/smdk5250.c
+++ b/board/samsung/smdk5250/smdk5250.c
@@ -35,11 +35,30 @@
 
 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)
 {
        gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
 #ifdef CONFIG_EXYNOS_SPI
        spi_init();
+#endif
+#ifdef CONFIG_USB_EHCI_EXYNOS
+       board_usb_vbus_init();
 #endif
        return 0;
 }