[U-Boot] [PATCH v2] imx: mx6 sabreauto: Add board support for USB EHCI

[Fabio Estevam]

On Mon, Oct 13, 2014 at 9:38 AM, Ye.Li <B37916 at freescale.com> wrote:
> On mx6 sabreauto board, there are two USB ports:
> 0: OTG
> 1: HOST
> The EHCI driver is enabled for this board, but the IOMUX and VBUS power
> control is not implemented, which cause both USB port failed to work.
> This patch fix the problem by adding the board support codes.
>
> Since the power control uses the GPIO pin from port expander MAX7310,
> the PCA953X driver is enabled for accessing the MAX7310.
>
> The ID pin of OTG Port needs to configure the GPR1 bit 13 for selecting
> its daisy chain. Add a new function "imx_iomux_set_gpr_register" to
> handle GPR register setting.
>
> Signed-off-by: Ye.Li <B37916 at freescale.com>

Reviewed-by: Fabio Estevam <fabio.estevam at freescale.com>