Commit graph

7 commits

Author SHA1 Message Date
Tuomas Tynkkynen
34439f73d9 ARM: sunxi: Remove left-over cd-inverted property from pcDuino3
Commit 8620f38409 ("dm: sunxi: Linksprite_pcDuino3: Correct polarity
of MMC card detect") claims that the Pcduino3 device tree had an
incorrect polarity for the card detect pin and thus changed the polarity
flag of the cd-gpios from GPIO_ACTIVE_HIGH to GPIO_ACTIVE_LOW.

Actually the DT was correct since according to the mmc binding, a
combination of GPIO_ACTIVE_HIGH + cd-inverted results in an active-low
polarity. But because the U-Boot driver lacks the code to look at the
cd-inverted property (unlike the Linux driver) it interpreted the
polarity of active-high. Thus, after that commit the DT is actually
wrong from the binding/Linux point of view.

To make both Linux and U-Boot interpret the DT in the same way, just
drop the left-over cd-inverted property. I've sent a Linux patch to
switch all sunxi DTs over to not using the cd-inverted property, so
eventually all sunxi boards in U-Boot will be consistent in not using
cd-inverted.

Signed-off-by: Tuomas Tynkkynen <tuomas@tuxera.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2018-01-10 11:37:09 +05:30
Simon Glass
8620f38409 dm: sunxi: Linksprite_pcDuino3: Correct polarity of MMC card detect
This is shown as active high in the schematics[1], so fix it.

[1] https://patchwork.ozlabs.org/patch/777890/

Signed-off-by: Simon Glass <sjg@chromium.org>
Reported-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2017-08-01 11:58:01 +09:00
Hans de Goede
80e5f83c0f sunxi: Sync dts files with the upstream kernel
Sync dts files with the upstream kernel including
changes queued for 4.6:

https://git.kernel.org/cgit/linux/kernel/git/mripard/linux.git/commit/?h=sunxi/dt-for-4.6

Note this adds a number of new unused board dts files. I've asked the
authors of the kernel commits adding these to submit a matching defconfig
to u-boot.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
2016-03-23 22:04:13 +01:00
Hans de Goede
8b1ba94151 sunxi: Sync dts files with the linux kernel
Copy over all the latest dts changes from mripard/sunxi/dt-for-4.2 ,
this gives us a proper dtsi file for the A33 rather then abusing
sun8i-a23.dtsi for this.

And this replaces our minimal (dummy) sun7i-a20-mk808c and
sun8i-a33-astar-mid756 dts files with proper ones.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
2015-06-04 14:12:03 +02:00
Hans de Goede
53ab4af34e sunxi: dts: Sync all dts files with upstream kernel
Bring all the sunxi dts files (and update existing ones) from
mripard/sunxi/dt-for-4.1 (which will be merged into upstream master any
day now). This is necessary so that we can move all sunxi boards over to
the driver model.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
2015-05-04 16:51:54 +02:00
Simon Glass
1a81cf8399 dm: sunxi: Add support for serial using driver model
Add a driver for the designware serial UART used on sunxi. This just
redirects to the normal ns16550 driver.

Add a stdout-path to the device tree so that the correct UART is chosen.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2014-11-05 13:09:58 +01:00
Simon Glass
643ad899f5 dm: sunxi: dts: Add sun7i device tree files
These are from Linux 3.17-rc7 (commit fe82dcec). U-Boot only uses a small
portion of these, but we may as well have something to look forward to.

The total compiled size is about 25KB.

Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2014-11-05 13:09:58 +01:00