linux-kernel - Re: [PATCH] arm64: dts: meson-g12a: add missing dwc2 phy-names

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Message-ID: <7h8stlr1rz.fsf@baylibre.com>
Date:   Fri, 28 Jun 2019 11:41:04 -0700
From:   Kevin Hilman <khilman@...libre.com>
To:     Neil Armstrong <narmstrong@...libre.com>
Cc:     linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Neil Armstrong <narmstrong@...libre.com>
Subject: Re: [PATCH] arm64: dts: meson-g12a: add missing dwc2 phy-names

Neil Armstrong <narmstrong@...libre.com> writes:

> The G12A USB2 OTG capable PHY uses a 8bit large UTMI bus, and the OTG
> controller gets the PHY but width by probing the associated phy.
>
> By default it will use 16bit wide settings if a phy is not specified,
> in our case we specified the phy, but not the phy-names.
>
> The dwc2 bindings specifies that if phys is present, phy-names shall be
> "usb2-phy".
>
> Adding phy-names = "usb2-phy" solves the OTG PHY bus configuration.
>
> Fixes: 9baf7d6be730 ("arm64: dts: meson: g12a: Add G12A USB nodes")
> Signed-off-by: Neil Armstrong <narmstrong@...libre.com>

Queuing for v5.3-rc,

Thanks,

Kevin