linux-kernel - Re: [PATCH 2/2] ARM: dts: da850: add a node for the LCD controller

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Message-ID: <CAMpxmJW8oiJq2s+OiGGS8Nbhpc2--KfapYcBbivnZCTEz-kxHA@mail.gmail.com>
Date:   Sat, 15 Oct 2016 21:40:14 +0200
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     Sekhar Nori <nsekhar@...com>
Cc:     Kevin Hilman <khilman@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        Peter Ujfalusi <peter.ujfalusi@...com>,
        Russell King <linux@...linux.org.uk>,
        Karl Beldan <karl.beldan@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        arm-soc <linux-arm-kernel@...ts.infradead.org>,
        linux-drm <dri-devel@...ts.freedesktop.org>,
        linux-devicetree <devicetree@...r.kernel.org>,
        Jyri Sarha <jsarha@...com>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        David Airlie <airlied@...ux.ie>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Karl Beldan <kbeldan@...libre.com>
Subject: Re: [PATCH 2/2] ARM: dts: da850: add a node for the LCD controller

2016-10-15 19:42 GMT+02:00 Sekhar Nori <nsekhar@...com>:
> On Wednesday 05 October 2016 06:35 PM, Bartosz Golaszewski wrote:
>> From: Karl Beldan <kbeldan@...libre.com>
>>
>> Add pins used by the LCD controller and a disabled LCDC node to be
>> reused in device trees including da850.dtsi.
>>
>> Signed-off-by: Karl Beldan <kbeldan@...libre.com>
>> [Bartosz:
>>   - added the commit description
>>   - changed the dt node name to a generic one
>>   - added a da850-specific compatible string
>>   - removed the tilcdc,panel node
>>   - moved the pins definitions to da850.dtsi as suggested by
>>     Sekhar Nori (was in: da850-lcdk.dts)]
>> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
>> ---
>>  arch/arm/boot/dts/da850.dtsi | 29 +++++++++++++++++++++++++++++
>>  1 file changed, 29 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
>> index f79e1b9..32908ae 100644
>> --- a/arch/arm/boot/dts/da850.dtsi
>> +++ b/arch/arm/boot/dts/da850.dtsi
>
>> @@ -399,6 +420,14 @@
>>                               <&edma0 0 1>;
>>                       dma-names = "tx", "rx";
>>               };
>> +
>> +             display: display@...000 {
>> +                     compatible = "ti,am33xx-tilcdc", "ti,da850-tilcdc";
>
> This should instead be:
>
> compatible = "ti,da850-tilcdc", "ti,am33xx-tilcdc";
>
> as the closest match should appear first in the list.
>
>> +                     reg = <0x213000 0x1000>;
>> +                     interrupt-parent = <&intc>
>
> No need of specifying the interrupt-parent as it is assumed to be that
> from the parent node (soc) if left unspecified.
>
> I made these two fixes locally and pushed the two patches in this series
> to v4.10/dt branch of my tree (for URL see MAINTAINERS). Can you take a
> look and make sure I did not mess anything up?
>

Looks good, thanks!

Bartosz Golaszewski