linux-kernel - Re: [PATCH 0/2] drm/tiny: add support tft display based on ilitek,ili9488

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Message-ID: <544c35c3-d87f-30e7-5f6b-a64ab7f894ec@tronnes.org>
Date:   Tue, 18 Oct 2022 21:06:34 +0200
From:   Noralf Trønnes <noralf@...nnes.org>
To:     Tommaso Merciai <tommaso.merciai@...rulasolutions.com>
Cc:     michael@...rulasolutions.com, linuxfancy@...glegroups.com,
        linux-amarula@...rulasolutions.com, kamlesh.gurudasani@...il.com,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Maxime Ripard <maxime@...no.tech>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Sam Ravnborg <sam@...nborg.org>,
        Javier Martinez Canillas <javierm@...hat.com>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        Noralf Trønnes <noralf@...nnes.org>
Subject: Re: [PATCH 0/2] drm/tiny: add support tft display based on
 ilitek,ili9488



Den 18.10.2022 18.45, skrev Tommaso Merciai:
> Hi All,
> This series  support for ilitek,ili9488 based displays like
> Waveshare-ResTouch-LCD-3.5 display. Tested on Waveshare-ResTouch-LCD-3.5
> connected to px30-evb via SPI.

There's a generic MIPI DBI SPI driver now that should work with all
these panels: drivers/gpu/drm/tiny/panel-mipi-dbi.c

More info: https://github.com/notro/panel-mipi-dbi/wiki

Noralf.

> This series is based on work done by Kamlesh Gurudasani in 2020:
> 
>  - "drm/tiny: add support for tft displays based on ilitek, ili9488"
> 
> (Thanks Kamlesh for your starting point)
> 
> Tests are done using the following tools coming from Yocto fs:
> 
>  - modetest -M "ili9488" -s 31:320x480@...6 -v
>  - fb-test
>  - fb-rect
> 
> References:
>  - https://patchwork.kernel.org/project/dri-devel/patch/00719f68aca488a6476b0dda634617606b592823.1592055494.git.kamlesh.gurudasani@gmail.com/
>  - https://www.hpinfotech.ro/ILI9488.pdf
>  - https://www.waveshare.com/wiki/Pico-ResTouch-LCD-3.5
> 
> Regards,
> Tommaso
> 
> Tommaso Merciai (2):
>   dt-bindings: add binding for tft displays based on ilitek,ili9488
>   drm/tiny: add support for tft displays based on ilitek,ili9488
> 
>  .../bindings/display/ilitek,ili9488.yaml      |  72 +++
>  drivers/gpu/drm/tiny/Kconfig                  |  13 +
>  drivers/gpu/drm/tiny/Makefile                 |   1 +
>  drivers/gpu/drm/tiny/ili9488.c                | 440 ++++++++++++++++++
>  4 files changed, 526 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/ilitek,ili9488.yaml
>  create mode 100644 drivers/gpu/drm/tiny/ili9488.c
>