[U-Boot] [PATCH v4 17/20] tegra: usb: Add USB support to nvidia boards

Stephen Warren swarren at nvidia.com
Thu Jan 19 01:30:19 CET 2012


On 01/11/2012 09:33 PM, Simon Glass wrote:
> This adds basic USB support for port 0. The other port is not supported
> yet.

> diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c

> +#ifdef CONFIG_USB_EHCI_TEGRA
> +	/* For USB GPIO PD0. for now, since we have no pinmux in fdt */
> +	pinmux_tristate_disable(PINGRP_SLXK);

Can we ifdef this so it only happens on Seaboard? Who knows what other
boards use that pin group for. Unfortunately, I checked and this really
does appear required for Seaboard, since there's no pull on the
USB1_VBUS_EN GPIO, so Tegra must drive it.

-- 
nvpublic


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