[U-Boot] [PATCH v3 7/7] ARM: OMAP5-uevm: Add usb device reset API
Marek Vasut
marex at denx.de
Thu Jul 18 06:30:55 CEST 2013
Dear Dan Murphy,
> Add the call back to reset the LAN9730 after
> the FEAT_POWER has been called.
>
> Signed-off-by: Dan Murphy <dmurphy at ti.com>
> ---
> v3 - Added this patch to separate the patch series -
> http://patchwork.ozlabs.org/patch/258229/
>
> board/ti/omap5_uevm/evm.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/board/ti/omap5_uevm/evm.c b/board/ti/omap5_uevm/evm.c
> index 9add0fd..42253fd 100644
> --- a/board/ti/omap5_uevm/evm.c
> +++ b/board/ti/omap5_uevm/evm.c
> @@ -31,6 +31,7 @@
>
> #ifdef CONFIG_USB_EHCI
> #include <usb.h>
> +#include <asm/gpio.h>
> #include <asm/arch/ehci.h>
> #include <asm/ehci-omap.h>
>
> @@ -169,4 +170,14 @@ int ehci_hcd_stop(void)
> ret = omap_ehci_hcd_stop();
> return ret;
> }
> +
> +void usb_hub_reset_devices(int port)
> +{
> + /* The LAN9730 needs to be reset after the port power has been set. */
> + if (port == 3) {
> + gpio_direction_output(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO, 0);
> + udelay(10);
> + gpio_direction_output(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO, 1);
> + }
> +}
Do you really need a config option for a board-specific GPIO used in a board
file?
> #endif
Best regards,
Marek Vasut
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