From 9a0c4f9b870da77b1768470bc37d12251e0a438e Mon Sep 17 00:00:00 2001 From: Vivek Gautam Date: Mon, 7 Jan 2013 23:37:18 +0000 Subject: [PATCH] SMDK5250: Enable VBus for USB 2.0 controller This patch enables Vbus required for USB 2.0 controller. Signed-off-by: Vivek Gautam Signed-off-by: Rajeshwari Shinde Signed-off-by: Minkyu Kang --- board/samsung/smdk5250/smdk5250.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c index 73c3ec0201..d80f75da1e 100644 --- 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; } -- 2.39.2