linux-kernel - Re: [RFC PATCH v1 2/3] dt-bindings: mmc: convert synopsys dw-mshc bindings to yaml

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Date:   Thu, 16 Jan 2020 08:07:59 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     Johan Jonker <jbx6244@...il.com>
Cc:     Ulf Hansson <ulf.hansson@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        "heiko@...ech.de" <heiko@...ech.de>,
        linux-mmc <linux-mmc@...r.kernel.org>,
        devicetree@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>
Subject: Re: [RFC PATCH v1 2/3] dt-bindings: mmc: convert synopsys dw-mshc
 bindings to yaml

On Thu, Jan 16, 2020 at 6:00 AM Johan Jonker <jbx6244@...il.com> wrote:
>
> See below.
>
> On 1/15/20 4:18 PM, Rob Herring wrote:
> > On Tue, Jan 14, 2020 at 3:38 PM Johan Jonker <jbx6244@...il.com> wrote:
> >>
>
> > [...]
> >
> >> diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.yaml b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.yaml
> >> new file mode 100644
> >> index 000000000..6f85a21d0
> >> --- /dev/null
> >> +++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.yaml
> >> @@ -0,0 +1,88 @@
> >> +# SPDX-License-Identifier: GPL-2.0
> >> +%YAML 1.2
> >> +---
> >> +$id: http://devicetree.org/schemas/mmc/synopsys-dw-mshc.yaml#
> >> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> >> +
> >> +title: Synopsys Designware Mobile Storage Host Controller Binding
>
> [..]
>
> >> +examples:
> >> +  # The MSHC controller node can be split into two portions, SoC specific and
> >> +  # board specific portions as listed below.
> >
>
>
> > This split doesn't work because the examples are built and validated
> > now. It may happen to because all the props are optional, but the
> > board hunk goes unchecked. So please combine.
> >
>
> Hi,
>
> I have no knowledge about this particular hardware to give a realistic
> example. Could someone advise here? Or should I just use the first
> example for now?

Just combine the first part and one of the the 2 board hunks. I don't
think having 2 board examples with the only diff being the dma
properties adds much value.

Rob