[U-Boot] [PATCH 7/8] smdk5420: Correct the vbus gpio configuration for USB controller

Marek Vasut marex at denx.de
Mon Jan 6 16:52:04 CET 2014


On Monday, January 06, 2014 at 10:29:42 AM, Vivek Gautam wrote:
> On smdk5420 two availbale XHCI controllers require VBUS GPIO
> to be configured, the EHCI however doesn't have any such VBUS
> GPIO. So correcting the available board_usb_vbus_init() function
> to the needs.
> 
> Signed-off-by: Vivek Gautam <gautam.vivek at samsung.com>
> ---
>  board/samsung/smdk5420/smdk5420.c |   11 ++++++-----
>  1 file changed, 6 insertions(+), 5 deletions(-)
> 
> diff --git a/board/samsung/smdk5420/smdk5420.c
> b/board/samsung/smdk5420/smdk5420.c index 3ad2ad0..4f23000 100644
> --- a/board/samsung/smdk5420/smdk5420.c
> +++ b/board/samsung/smdk5420/smdk5420.c
> @@ -18,14 +18,15 @@
> 
>  DECLARE_GLOBAL_DATA_PTR;
> 
> -#ifdef CONFIG_USB_EHCI_EXYNOS
> +#ifdef CONFIG_USB_XHCI_EXYNOS
>  static int board_usb_vbus_init(void)
>  {
> -	struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *)
> -						samsung_get_base_gpio_part1();
> +	struct exynos5420_gpio_part4 *gpio4 = (struct exynos5420_gpio_part4 *)
> +						samsung_get_base_gpio_part4();
> 
>  	/* Enable VBUS power switch */
> -	s5p_gpio_direction_output(&gpio1->x2, 6, 1);
> +	s5p_gpio_direction_output(&gpio4->g0, 5, 1);
> +	s5p_gpio_direction_output(&gpio4->g1, 4, 1);

This VBUS toggling should happen on per-port basis, right ?

Best regards,
Marek Vasut


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