Re: [PATCH] device-tree: nexus7: Set phy mode to otg instead of host

From	Bjorn Andersson <bjorn.andersson@linaro.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH] device-tree: nexus7: Set phy mode to otg instead of host
Date	2016-07-12 20:40 +0200
Message-ID	<rUaL7-f6-9@gated-at.bofh.it> (permalink)
References	<rQlOO-80K-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Fri 01 Jul 22:33 PDT 2016, John Stultz wrote:

> In order to have the usb phy work in gadget mode, override
> the default host mode with otg mode.
> 
> This allows gadget mode to work w/o any hacks to the dtsi file.
> 
> Cc: Rob Herring <robh+dt@kernel.org>
> Cc: Andy Gross <agross@codeaurora.org>
> Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
> Cc: Stephen Boyd <stephen.boyd@linaro.org>
> Cc: linux-arm-msm@vger.kernel.org
> Cc: devicetree@vger.kernel.org
> Signed-off-by: John Stultz <john.stultz@linaro.org>
> ---
>  arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts b/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts
> index 7b05f07..94e9cbb 100644
> --- a/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts
> +++ b/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts
> @@ -253,6 +253,7 @@
>  			vddcx-supply	= <&pm8921_s3>;
>  			v3p3-supply	= <&pm8921_l3>;
>  			v1p8-supply	= <&pm8921_l4>;
> +			dr_mode		= "otg";

Wouldn't this be the standard case for the first/primary USB on most
8064s? Looks like both the ifc6410 and  sd600eval has OTG support on the
micro-usb.

Andy, how about we just change the dtsi instead?

Regards,
Bjorn

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Re: [PATCH] device-tree: nexus7: Set phy mode to otg instead of host Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-07-12 20:40 +0200

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