Re: [PATCH 2/6] ARM: dts: da850: add a node for the LCD controller

From	Bartosz Golaszewski <bgolaszewski@baylibre.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH 2/6] ARM: dts: da850: add a node for the LCD controller
Date	2016-09-30 15:10 +0200
Message-ID	<sn5JD-2d7-17@gated-at.bofh.it> (permalink)
References	<smMxk-6vr-5@gated-at.bofh.it> <smMxl-6vr-39@gated-at.bofh.it> <sn2sp-8pw-3@gated-at.bofh.it>
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2016-09-30 11:34 GMT+02:00 Sekhar Nori <nsekhar@ti.com>:
> On Thursday 29 September 2016 10:01 PM, Bartosz Golaszewski wrote:
>> From: Karl Beldan <kbeldan@baylibre.com>
>>
>> Add a disabled LCDC node to be reused in device trees including
>> da850.dtsi for boards equipped with tilcdc enabled.
>>
>> Signed-off-by: Karl Beldan <kbeldan@baylibre.com>
>> [Bartosz: added the commit description]
>> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
>> ---
>>  arch/arm/boot/dts/da850.dtsi | 8 ++++++++
>>  1 file changed, 8 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
>> index f79e1b9..9f39296 100644
>> --- a/arch/arm/boot/dts/da850.dtsi
>> +++ b/arch/arm/boot/dts/da850.dtsi
>> @@ -399,6 +399,14 @@
>>                               <&edma0 0 1>;
>>                       dma-names = "tx", "rx";
>>               };
>> +
>> +             lcdc: lcdc@213000 {
>
> node name should be generic per the ePAPR so please use "display".
>
>> +                     compatible = "ti,am33xx-tilcdc";
>
> Can you please introduce a da850 specific compatible. Something like:
>
> compatible = "ti,da850-tilcdc", "ti,am33xx-tilcdc";
>

I sent a relevant patch to the drm mailing list.

> Even if you dont use it in the driver today, please have it in the .dts
> I am pretty sure there will be some da850 specific tweak required for
> the LCDC at some point. Having a compatible already in place will make
> migration easier. You will have to document the compatible though.
>
> This will affect 1/6 too.
>

I'll include these changes in v2.

Thanks,
Bartosz

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[PATCH 2/6] ARM: dts: da850: add a node for the LCD controller Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2016-09-29 18:40 +0200
  Re: [PATCH 2/6] ARM: dts: da850: add a node for the LCD controller Sekhar Nori <nsekhar@ti.com> - 2016-09-30 11:40 +0200
    Re: [PATCH 2/6] ARM: dts: da850: add a node for the LCD controller Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2016-09-30 15:10 +0200

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