linux-kernel - Re: [PATCH v2 1/3] arm64: dts: allwinner: a64: olinuxino: Fix eMMC supply regulator

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Message-ID: <20191202191342.7ttegde7jewn4xra@gilmour.lan>
Date:   Mon, 2 Dec 2019 20:13:42 +0100
From:   Maxime Ripard <mripard@...nel.org>
To:     Stefan Mavrodiev <stefan@...mex.com>
Cc:     Chen-Yu Tsai <wens@...e.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "moderated list:ARM/Allwinner sunXi SoC support" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        linux-sunxi@...glegroups.com, stable@...r.kernel.org
Subject: Re: [PATCH v2 1/3] arm64: dts: allwinner: a64: olinuxino: Fix eMMC
 supply regulator

On Fri, Nov 29, 2019 at 01:39:39PM +0200, Stefan Mavrodiev wrote:
> A64-OLinuXino-eMMC uses 1.8V for eMMC supply. This is done via a triple
> jumper, which sets VCC-PL to either 1.8V or 3.3V. This setting is different
> for boards with and without eMMC.
>
> This is not a big issue for DDR52 mode, however the eMMC will not work in
> HS200/HS400, since these modes explicitly requires 1.8V.
>
> Fixes: 94f68f3a4b2a ("arm64: dts: allwinner: a64: Add A64 OlinuXino board (with eMMC)")
> Cc: stable@...r.kernel.org # v5.4
> Signed-off-by: Stefan Mavrodiev <stefan@...mex.com>

Applied, thanks!
Maxime

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