[PATCH 0/3] drm/sitronix/st7571-i2c: Add support for the ST7567 Controller

Javier Martinez Canillas javierm at redhat.com
Fri Jul 11 20:51:49 UTC 2025


Marcus Folkesson <marcus.folkesson at gmail.com> writes:

Hello Marcus,

> Hello Javier,
>
>
> On Thu, Jul 10, 2025 at 12:24:32PM +0200, Javier Martinez Canillas wrote:
>> This patch-series adds support for the Sitronix ST7567 Controller, which is is a
>> monochrome Dot Matrix LCD Controller that has SPI, I2C and parallel interfaces.
>> 
>> The st7571-i2c driver only has support for I2C so displays using other transport
>> interfaces are currently not supported.
>> 
>> The DRM_FORMAT_R1 pixel format and data commands are the same than what is used
>> by the ST7571 controller, so only is needed a different callback that implements
>> the expected initialization sequence for the ST7567 chip.
>> 
>> Patch #1 adds a Device Tree binding schema for the ST7567 Controller.
>> 
>> Patch #2 makes the "reset-gpios" property in the driver to be optional since that
>> isn't needed for the ST7567.
>> 
>> Patch #3 finally extends the st7571-i2c driver to also support the ST7567 device.
>> 
>> 
>> Javier Martinez Canillas (3):
>>   dt-bindings: display: Add Sitronix ST7567 LCD Controller
>>   drm/sitronix/st7571-i2c: Make the reset GPIO to be optional
>>   drm/sitronix/st7571-i2c: Add support for the ST7567 Controller
>
> For all patches in this series:
>
> Reviewed-by: Marcus Folkesson <marcus.folkesson at gmail.com>

Thanks! I'll merge this patch series next week then, since I also got an
ack from a DT maintainer.

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat



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