linux-kernel - Re: [PATCH 1/1] ARM:dts:sunxi: Add Olimex A20-SOM-EVB-eMMC board

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Message-ID: <20180518080208.mr7jit2pajgalti3@flea>
Date:   Fri, 18 May 2018 10:02:08 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Stefan Mavrodiev <stefan@...mex.com>
Cc:     Stefan Wahren <stefan.wahren@...e.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Chen-Yu Tsai <wens@...e.org>,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH 1/1] ARM:dts:sunxi: Add Olimex A20-SOM-EVB-eMMC board

On Thu, May 17, 2018 at 10:34:06AM +0300, Stefan Mavrodiev wrote:
> On 05/17/2018 10:25 AM, Stefan Wahren wrote:
> > Hi Stefan,
> > 
> > > Stefan Mavrodiev <stefan@...mex.com> hat am 16. Mai 2018 um 13:38 geschrieben:
> > > 
> > > 
> > > With the new rev.E of A20-SOM-EVB, there is option for 16GB eMMC.
> > > Currently used card is KLMAG2GEND, wired to MMC2 slot.
> > > 
> > > Signed-off-by: Stefan Mavrodiev <stefan@...mex.com>
> > > ---
> > >   arch/arm/boot/dts/Makefile                         |  1 +
> > >   .../arm/boot/dts/sun7i-a20-olimex-som-evb-emmc.dts | 37 ++++++++++++++++++++++
> > >   2 files changed, 38 insertions(+)
> > >   create mode 100644 arch/arm/boot/dts/sun7i-a20-olimex-som-evb-emmc.dts
> > > 
> > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> > > index 1db91ec..7f1ee65 100644
> > > --- a/arch/arm/boot/dts/Makefile
> > > +++ b/arch/arm/boot/dts/Makefile
> > > @@ -959,6 +959,7 @@ dtb-$(CONFIG_MACH_SUN7I) += \
> > >   	sun7i-a20-m3.dtb \
> > >   	sun7i-a20-mk808c.dtb \
> > >   	sun7i-a20-olimex-som-evb.dtb \
> > > +	sun7i-a20-olimex-som-evb-emmc.dtb \
> > >   	sun7i-a20-olimex-som204-evb.dtb \
> > >   	sun7i-a20-olimex-som204-evb-emmc.dtb \
> > >   	sun7i-a20-olinuxino-lime.dtb \
> > > diff --git a/arch/arm/boot/dts/sun7i-a20-olimex-som-evb-emmc.dts b/arch/arm/boot/dts/sun7i-a20-olimex-som-evb-emmc.dts
> > > new file mode 100644
> > > index 0000000..81ebc97
> > > --- /dev/null
> > > +++ b/arch/arm/boot/dts/sun7i-a20-olimex-som-evb-emmc.dts
> > > @@ -0,0 +1,37 @@
> > > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> > > +/*
> > > + * Device Tree Source for A20-Olimex-SOM-EVB-eMMC Board
> > > + *
> > > + * Copyright (C) 2018 Olimex Ltd.
> > > + *   Author: Stefan Mavrodiev <stefan@...mex.com>
> > > + */
> > > +
> > > +/dts-v1/;
> > > +#include "sun7i-a20-olimex-som-evb.dts"
> > > +
> > > +/ {
> > > +
> > > +	model = "Olimex A20-Olimex-SOM-EVB-eMMC";
> > > +	compatible = "olimex,a20-olimex-som-evb-emmc", "allwinner,sun7i-a20";
> > the file Documentation/devicetree/bindings/arm/olimex.txt seems to be out of date. I cannot find any recent board compatible.
> > 
> > Didn't checkpatch complain about it?
>
> Yes it did. I didn't get is seriously because neither Olimex A20 based board
> is documented in the binding.

I guess we should fix that as well, but that can come in a subsequent
patch.

Maxime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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