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Message-ID: <CAOf5uwnP+hc+hDKwQJq9HZ03hHXwwCWw3HE0-W16jF3WkKuHXA@mail.gmail.com>
Date: Tue, 18 Oct 2022 23:28:23 +0200
From: Michael Nazzareno Trimarchi <michael@...rulasolutions.com>
To: Noralf Trønnes <noralf@...nnes.org>
Cc: Tommaso Merciai <tommaso.merciai@...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
Subject: Re: [PATCH 0/2] drm/tiny: add support tft display based on ilitek,ili9488
Hi
On Tue, Oct 18, 2022 at 9:06 PM Noralf Trønnes <noralf@...nnes.org> wrote:
>
>
>
> 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
>
We have seen it but it does not apply to the color output and there is
no helper. I was a bit surprised
to have a generic panel for spi and not for standard mipi one.
Michael
> 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
> >
--
Michael Nazzareno Trimarchi
Co-Founder & Chief Executive Officer
M. +39 347 913 2170
michael@...rulasolutions.com
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