linux-kernel - Re: [PATCH v1 3/8] arm64: dts: sdm845: Add UFS PHY reset

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Date:   Tue, 22 Jan 2019 10:13:44 -0800
From:   Evan Green <evgreen@...omium.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Andy Gross <andy.gross@...aro.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Can Guo <cang@...eaurora.org>,
        Douglas Anderson <dianders@...omium.org>,
        Asutosh Das <asutoshd@...eaurora.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Vivek Gautam <vivek.gautam@...eaurora.org>,
        devicetree@...r.kernel.org,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        David Brown <david.brown@...aro.org>,
        Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH v1 3/8] arm64: dts: sdm845: Add UFS PHY reset

On Mon, Jan 21, 2019 at 4:25 PM Rob Herring <robh@...nel.org> wrote:
>
> On Fri, Jan 11, 2019 at 03:01:24PM -0800, Evan Green wrote:
> > Wire up the reset controller in the Qcom UFS controller for the PHY.
> > This will be used to toggle PHY reset during initialization of the PHY.
> >
> > Signed-off-by: Evan Green <evgreen@...omium.org>
> > ---
> > This commit is based atop the series at [1]. Patches 1 and 2 of that
> > series have landed, but 3, 4, and 5 are still outstanding.
> >
> > [1] https://lore.kernel.org/lkml/20181210192826.241350-1-evgreen@chromium.org/
> >
> >  arch/arm64/boot/dts/qcom/sdm845.dtsi | 3 +++
> >  1 file changed, 3 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> > index b29332b265d9e..029ab66405cf4 100644
> > --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> > @@ -990,6 +990,7 @@
> >                       phy-names = "ufsphy";
> >                       lanes-per-direction = <2>;
> >                       power-domains = <&gcc UFS_PHY_GDSC>;
> > +                     #reset-cells = <1>;
>
> Is this documented?
>

No, I'll add this in my next spin. Thanks.
-Evan