From: Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Maxime Ripard
<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
Subject: [PATCH 0/1] ARM: dts: sunxi: Add simplefb nodes for de_be0-lcd0, de_be0-lcd0-tve0
Date: Sat, 27 Dec 2014 17:08:59 +0100 [thread overview]
Message-ID: <1419696540-15680-1-git-send-email-hdegoede@redhat.com> (raw)
Hi Maxime,
As you may have noticed on the u-boot list, I've been working on adding
support for getting a graphical u-boot console up on sunxi LCD and VGA outputs.
The main reason behind this is so that people can see u-boot (error) messages
without needing to solder a serial console onto tablets (and other boards),
hopefully we will get otg support in the near future too, and then people can
interact with upstream u-boot without needing to open their tablet.
Getting the kernel to work with LCD / VGA output setup by u-boot requires
adding pre-populated simplefb nodes for a display pipeline of de_be0-lcd0
(for LCD) resp. de_be0-lcd0-tve0 (for VGA), this patch adds the necessary
nodes. With this patch the kernel can use LCD / VGA outputs setup by u-boot.
LCD output has been tested on various Olinuxino boards with the 7" Olimex LCD
module, and on a 7" LCD of an A23 tablet, it has also been successfully tested
by both ChenYu and Siarhei on other tablets.
VGA output has been tested on a Cubietruck, A20-Olinuxino-Micro and a Mele-M3.
Regards,
Hans
next reply other threads:[~2014-12-27 16:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-27 16:08 Hans de Goede [this message]
[not found] ` <1419696540-15680-1-git-send-email-hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-12-27 16:09 ` [PATCH] ARM: dts: sunxi: Add simplefb nodes for de_be0-lcd0, de_be0-lcd0-tve0 pipelines Hans de Goede
[not found] ` <1419696540-15680-2-git-send-email-hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-01-08 12:39 ` Maxime Ripard
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