linux-kernel - Re: [PATCH 2/3] dt-bindings: serial: document LiteUART bindings

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Message-ID: <CAPk366QHtjL9qJV3RRwa=3tW-GB5PfLC1qzc0WgYbRzdMcZrYQ@mail.gmail.com>
Date:   Thu, 3 Oct 2019 11:23:29 +0200
From:   Mateusz Holenko <mholenko@...micro.com>
To:     Rob Herring <robh+dt@...nel.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mark Rutland <mark.rutland@....com>,
        "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>,
        devicetree@...r.kernel.org, Karol Gugala <kgugala@...micro.com>,
        Jiri Slaby <jslaby@...e.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Sam Ravnborg <sam@...nborg.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Icenowy Zheng <icenowy@...c.io>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        "Paul E. McKenney" <paulmck@...ux.ibm.com>
Subject: Re: [PATCH 2/3] dt-bindings: serial: document LiteUART bindings

pon., 30 wrz 2019 o 23:32 Rob Herring <robh+dt@...nel.org> napisał(a):
>
> On Mon, Sep 30, 2019 at 8:04 AM Mateusz Holenko <mholenko@...micro.com> wrote:
> >
> > From: Filip Kokosinski <fkokosinski@...ernships.antmicro.com>
> >
> > Add documentation for LiteUART devicetree bindings.
> >
> > Signed-off-by: Filip Kokosinski <fkokosinski@...ernships.antmicro.com>
> > Signed-off-by: Mateusz Holenko <mholenko@...micro.com>
> > ---
> >  .../devicetree/bindings/serial/litex,liteuart.txt    | 12 ++++++++++++
> >  MAINTAINERS                                          |  6 ++++++
> >  2 files changed, 18 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/serial/litex,liteuart.txt
>
> Please make this a schema. See
> Documentation/devicetree/writing-schema.rst (or .md before 5.4).

Ok. We will rewrite it.

> >
> > diff --git a/Documentation/devicetree/bindings/serial/litex,liteuart.txt b/Documentation/devicetree/bindings/serial/litex,liteuart.txt
> > new file mode 100644
> > index 000000000..13c71a0c9
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/serial/litex,liteuart.txt
> > @@ -0,0 +1,12 @@
> > +LiteUART serial controller
> > +
> > +Required properties:
> > +- compatible: should be "litex,liteuart"
>
> Only 1 version?

For the time being there is only one flavor.

> > +- reg: base address and length of the register set for this device
>
> Is there really no interrupt line? That should be added if there's h/w
> support even if the driver doesn't yet support it.
>
> > +
> > +Example:
> > +
> > +uart0: serial@...01000 {
>
> Wrong unit address. Should be "@e0001800".

Right, address should be consistent with the one in 'reg'.

>
> > +       compatible = "litex,liteuart";
> > +       reg = <0xe0001800 0x100>;
> > +};
> > diff --git a/MAINTAINERS b/MAINTAINERS
> > index b2326dece..65a6cf296 100644
> > --- a/MAINTAINERS
> > +++ b/MAINTAINERS
> > @@ -9462,6 +9462,12 @@ F:       Documentation/misc-devices/lis3lv02d.rst
> >  F:     drivers/misc/lis3lv02d/
> >  F:     drivers/platform/x86/hp_accel.c
> >
> > +LITEX PLATFORM
> > +M:     Karol Gugala <kgugala@...micro.com>
> > +M:     Mateusz Holenko <mholenko@...micro.com>
> > +S:     Maintained
> > +F:     Documentation/devicetree/bindings/serial/litex,liteuart.txt
> > +
> >  LIVE PATCHING
> >  M:     Josh Poimboeuf <jpoimboe@...hat.com>
> >  M:     Jiri Kosina <jikos@...nel.org>
> > --
> > 2.23.0
> >

Thanks for your comments.
I'll address the remarks in V2 of the patchset after receiving a
response on the rest of the patches.

--
Mateusz Holenko
mobile: +48 606 791 789
Antmicro Ltd | www.antmicro.com
Zwierzyniecka 3, 60-813 Poznan, Poland