[U-Boot] [PATCH v2 16/16] apalis/colibri_t30: fix usb dm regression
Stephen Warren
swarren at wwwdotorg.org
Mon Jul 27 21:48:40 CEST 2015
On 07/20/2015 04:35 PM, Marcel Ziswiler wrote:
> From: Marcel Ziswiler <marcel.ziswiler at 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?
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