linux-kernel - Re: [PATCH v2 1/2] media: rc: meson-irblaster: document device tree bindings

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Date:   Thu, 8 Jul 2021 16:20:51 +0300
From:   Viktor Prutyanov <viktor.prutyanov@...stech.edu>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc:     sean@...s.org, mchehab@...nel.org, robh+dt@...nel.org,
        khilman@...libre.com, Neil Armstrong <narmstrong@...libre.com>,
        jbrunet@...libre.com, linux-media <linux-media@...r.kernel.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, rockosov@...il.com
Subject: Re: [PATCH v2 1/2] media: rc: meson-irblaster: document device tree
 bindings

Hi Martin,

On Thu, 8 Jul 2021 15:09:30 +0200
Martin Blumenstingl <martin.blumenstingl@...glemail.com> wrote:

> Hi Viktor,
> 
> On Wed, Jul 7, 2021 at 4:13 PM Viktor Prutyanov
> <viktor.prutyanov@...stech.edu> wrote:
> >
> > This patch adds binding documentation for the IR transmitter
> > available in Amlogic Meson SoCs.
> >
> > Signed-off-by: Viktor Prutyanov <viktor.prutyanov@...stech.edu>
> > ---
> >  changes in v2:
> >    - compatible = "amlogic,meson-g12a-irblaster" added
> >    - clocks, clock-names and mod-clock updated  
> thanks for updating this patch with my feedback!
> 
> [...]
> > +  mod-clock:
> > +    maxItems: 1  
> in the change-log for this patch you mentioned that mod-clock is
> updated as well I think that mod-clock (as a whole property) should
> only be added if it's an external input to the IR blaster IP block

There are 2 clocks connected to blaster module, and mod-clock is just a
selector between them. Meson IR blaster driver should choose one of the
modulation clocks. If not through a property, then how to do it? 

> 
> 
> Best regards,
> Martin

Best regards,
Viktor