Re: [PATCH 1/2] drm/panel: Add support for Armadeus ST0700 Adapt

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Hi Fabio,

On 07/17/2018 02:28 PM, Fabio Estevam wrote:
> Hi Sébastien,
> 
> On Tue, Jul 17, 2018 at 4:23 AM, Sébastien Szymanski
> <sebastien.szymanski@xxxxxxxxxxxx> wrote:
>> This patch adds support for the Armadeus ST0700 Adapt. It comes with a
>> Santek ST0700I5Y-RBSLW 7.0" WVGA (800x480) TFT and an adapter board so
>> that it can be connected on the TFT header of Armadeus Dev boards.
>>
>> Signed-off-by: Sébastien Szymanski <sebastien.szymanski@xxxxxxxxxxxx>
>> ---
>>  .../display/panel/armadeus,st0700-adapt.txt        |  9 +++++++
>>  drivers/gpu/drm/panel/panel-simple.c               | 29 ++++++++++++++++++++++
>>  2 files changed, 38 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/display/panel/armadeus,st0700-adapt.txt
>>
>> diff --git a/Documentation/devicetree/bindings/display/panel/armadeus,st0700-adapt.txt b/Documentation/devicetree/bindings/display/panel/armadeus,st0700-adapt.txt
>> new file mode 100644
>> index 000000000000..a30d63db3c8f
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/display/panel/armadeus,st0700-adapt.txt
>> @@ -0,0 +1,9 @@
>> +Armadeus ST0700 Adapt. A Santek ST0700I5Y-RBSLW 7.0" WVGA (800x480) TFT with
>> +an adapter board.
>> +
>> +Required properties:
>> +- compatible: "armadeus,st0700-adapt"
> 
> Shouldn't this be named "santek,st0700i5y" instead?
> 
> Santek is the vendor of the panel and st0700i5y is the model.

You're right but Armadeus doesn't provide the panel as-is. Armadeus adds
an adapter board so it can be connected on the development boards. [1]
Even though the panel supports MEDIA_BUS_FMT_RGB888_1X24, with the
adapter board the bus format has to be MEDIA_BUS_FMT_RGB666_1X18.

[1] http://www.opossom.com/english/products-peripherals-st0700_adapt.html

Regards,

> 
> Then you could add a "santek" entry in
> Documentation/devicetree/bindings/vendor-prefixes.txt.
> 
> Regards,
> 
> Fabio Estevam
> 


-- 
Sébastien Szymanski
Software engineer, Armadeus Systems
Tel: +33 (0)9 72 29 41 44
Fax: +33 (0)9 72 28 79 26
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