From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Warren <swarren@wwwdotorg.org>
Date: Mon, 27 Jul 2015 13:48:40 -0600
Subject: [U-Boot] [PATCH v2 16/16] apalis/colibri_t30: fix usb dm
	regression
In-Reply-To: <87134ae782f73d351e62c5e84fa29a58b4043371.1437426110.git.marcel.ziswiler@toradex.com>
References: <cover.1437426110.git.marcel.ziswiler@toradex.com>
 <87134ae782f73d351e62c5e84fa29a58b4043371.1437426110.git.marcel.ziswiler@toradex.com>
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On 07/20/2015 04:35 PM, Marcel Ziswiler wrote:
> From: Marcel Ziswiler <marcel.ziswiler@toradex.com>
>
> Unfortunately currently both Apalis T30 as well as Colibri T30 crash
> upon starting USB host support. This is due to the following patch not
> having taken into account that our T30 device trees were defaulting to
> peripheral only mode instead of otg:
>
> commit ddb9a502d18008e845d5a8fa03ec48630fa77fb7
> dm: usb: tegra: Move most of init/uninit into a function

> diff --git a/arch/arm/dts/tegra30-colibri.dts b/arch/arm/dts/tegra30-colibri.dts

>   	/* EHCI instance 0: USB1_DP/N -> USBC_P/N */
>   	usb at 7d000000 {
>   		status = "okay";
> -		dr_mode = "peripheral";
> +		dr_mode = "otg";
>   	};

Is there SW control over driving VBUS for this port? If not, I don't 
think switching to otg is correct/possible.

It seems better to fix the crash in the code?