[PATCH v1 1/2] dt-bindings: Add binding for Sitronix ST7735R display panels
David Lechner
david at lechnology.com
Sun Dec 10 19:33:50 UTC 2017
On 12/08/2017 03:41 PM, Noralf Trønnes wrote:
>
> Den 29.11.2017 04.01, skrev David Lechner:
>> This adds a new device tree binding for Sitronix ST7735R display panels,
>> such as the Adafruit 1.8" TFT.
>>
>> Signed-off-by: David Lechner <david at lechnology.com>
>> ---
>> .../bindings/display/sitronix,st7735r.txt | 35
>> ++++++++++++++++++++++
>> 1 file changed, 35 insertions(+)
>> create mode 100644
>> Documentation/devicetree/bindings/display/sitronix,st7735r.txt
>>
>> diff --git
>> a/Documentation/devicetree/bindings/display/sitronix,st7735r.txt
>> b/Documentation/devicetree/bindings/display/sitronix,st7735r.txt
>> new file mode 100644
>> index 0000000..bbb8ba6
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/display/sitronix,st7735r.txt
>> @@ -0,0 +1,35 @@
>> +Sitronix ST7735R display panels
>> +
>> +This binding is for display panels using a Sitronix ST7735R
>> controller in SPI
>> +mode.
>> +
>> +Required properties:
>> +- compatible: "sitronix,st7735r-jd-t18003-t01"
>> +- dc-gpios: Display data/command selection (D/CX)
>> +- reset-gpios: Reset signal (RSTX)
>
> I'm wondering if this should be optional.
>
> Even though the display needs the reset line to be driven, it doesn't
> have to be so by a gpio, I believe you can even get away with just
> using a resistor as a reset circuit.
>
> Not terribly important, it's up to you.
>
It can be made optional later if needed, so I'm going to leave it as-is.
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