[PATCH 1/3] dt-bindings: display: sitronix, st7735r: Add Okaya rh128128t

David Lechner david at lechnology.com
Mon Jan 6 16:47:55 UTC 2020


On 1/2/20 8:46 AM, Sam Ravnborg wrote:
> Hi Geert.
> 
> On Thu, Jan 02, 2020 at 03:12:44PM +0100, Geert Uytterhoeven wrote:
>> Document support for the Okaya RH128128T display, which is a 128x128
>> 1.44" TFT display driven by a Sitronix ST7715R TFT Controller/Driver.
>>
>> ST7715R and ST7735R are very similar.  Their major difference is that
>> the former is restricted to displays of up to 132x132 pixels, while the
>> latter supports displays up to 132x162 pixels.
>>
>> Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
>> ---
>>   .../devicetree/bindings/display/sitronix,st7735r.txt          | 4 +++-
>>   1 file changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/display/sitronix,st7735r.txt b/Documentation/devicetree/bindings/display/sitronix,st7735r.txt
>> index cd5c7186890a2be7..87ebdcb294e29798 100644
>> --- a/Documentation/devicetree/bindings/display/sitronix,st7735r.txt
>> +++ b/Documentation/devicetree/bindings/display/sitronix,st7735r.txt
> While touching the bindings file, can I convince you to convert it to
> meta-schema format (.yaml)?
> 
> 
>> @@ -4,7 +4,9 @@ This binding is for display panels using a Sitronix ST7735R controller in SPI
>>   mode.
>>   
>>   Required properties:
>> -- compatible:	"jianda,jd-t18003-t01", "sitronix,st7735r"
>> +- compatible:	Must be one of the following combinations:
>> +		  - "jianda,jd-t18003-t01", "sitronix,st7735r"
>> +		  - "okaya,rh128128t", "sitronix,st7715r"
> 
> It would be nice if there was a "description" for each pair of
> compatible that identified the actual panel.
> In your case "Okaya RH128128T 1.44" 128x128 TFT display"
> It can be looked up in git history - but better to have it in the
> binding file.
> 
> 	Sam
> 

It would be nice to have the Adafruit part name in here too while we
are at it. I had to dig really deep to find what the actual display
panel was.

https://www.adafruit.com/product/358
https://www.adafruit.com/product/618


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