[U-Boot] [PATCH v3] SMDK5250: Enable VBus for USB 2.0 controller

[Simon Glass]

On Mon, Jan 7, 2013 at 10:30 PM, Vivek Gautam <gautam.vivek at samsung.com> wrote:
> This patch enables Vbus required for USB 2.0 controller.
>
> Signed-off-by: Vivek Gautam <gautam.vivek at samsung.com>
> Signed-off-by: Rajeshwari Shinde <rajeshwari.s at samsung.com>

Acked-by: Simon Glass <sjg at chromium.org>

> ---
>
> Changes from v2:
>         - Rebased on top of u-boot-usb/next
>         - Enclosed the function definition for board_usb_vbus_init()
>           inside "CONFIG_USB_EHCI_EXYNOS"
>
> Changes from v1:
>         - Using the old school method of setting up gpio instead
>           of using the pinmux method, since the required gpio line
>           here is board specific.
>
>  board/samsung/smdk5250/smdk5250.c |   19 +++++++++++++++++++
>  1 files changed, 19 insertions(+), 0 deletions(-)
>
> diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c
> index a5816e4..cf7f801 100644
> --- a/board/samsung/smdk5250/smdk5250.c
> +++ b/board/samsung/smdk5250/smdk5250.c
> @@ -60,9 +60,28 @@ static int smc9115_pre_init(void)
>  }
>  #endif
>
> +#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_USB_EHCI_EXYNOS
> +       board_usb_vbus_init();
> +#endif
>         return 0;
>  }
>
> --
> 1.7.6.5
>