Commit graph

18 commits

Author SHA1 Message Date
Chen-Yu Tsai
968f2c9169
ARM: dts: sunxi: Add mdio bus sub-node to GMAC
The DWMAC binding never supported having the Ethernet PHY node as a
direct child to the controller, nor did it support the "phy" property
as a way to specify which Ethernet PHY to use. What seemed to work
was simply the implementation ignoring the "phy" property and instead
probing all addresses on the MDIO bus and using the first available
one.

The recent switch from "phy" to "phy-handle" breaks the assumptions
of the implementation, and does not match what the binding requires.
The binding requires that if an MDIO bus is described, it shall be
a sub-node with the "snps,dwmac-mdio" compatible string.

Add a device node for the MDIO bus, and move the Ethernet PHY node
under it. Also fix up the #address-cells and #size-cells properties
where needed.

Fixes: de332de26d ("ARM: dts: sunxi: Switch from phy to phy-handle")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
2019-08-23 09:14:48 +02:00
Maxime Ripard
de332de26d
ARM: dts: sunxi: Switch from phy to phy-handle
The phy device tree property has been deprecated in favor of phy-handle,
let's replace it.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
2019-07-22 09:41:10 +02:00
Maxime Ripard
a107bd2b6b
ARM: dts: sunxi: Remove pinctrl groups setting bias
So far we've enabled pull-up and pull-down resistors on GPIOs using a
pinctrl node. Now that the GPIO binding allows for a flag to declare this,
let's switch to it.

This brings us closer to removing all the GPIO pinctrl nodes, which will in
turn allow us to switch the pinctrl strict mode on.

Acked-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
2019-04-04 09:25:15 +02:00
Maxime Ripard
2c515b0d05
ARM: sunxi: Fix the USB PHY ID detect GPIO properties
While the USB PHY Device Tree mandates that the name of the ID detect pin
should be usb0_id_det-gpios, a significant number of device tree use
usb0_id_det-gpio instead.

This was functional because the GPIO framework falls back to the gpio
suffix that is legacy, but we should fix this.

Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
2019-03-25 21:26:27 +01:00
Maxime Ripard
7dab9adb7d
ARM: dts: sun7i: Provide default muxing for relevant controllers
The I2C and MMC controllers have only one muxing option in the SoC. In such a
case, we can just move the muxing into the DTSI, and remove it from
the DTS.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
2018-11-28 15:14:15 +01:00
Maxime Ripard
0356f1ae06
ARM: dts: sun7i: Remove underscores from nodes names
Some GPIO pinctrl nodes cannot be easily removed, because they would also
change the pin configuration, for example to add a pull resistor or change
the current delivered by the pin.

Those nodes still have underscores and unit-addresses in their node names
in our DTs, so adjust their name to remove the warnings. Use that occasion
to also fix some poorly chosen node-names.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
2018-11-28 15:14:14 +01:00
Maxime Ripard
85a8c520ca
ARM: dts: sun7i: Change pinctrl nodes to avoid warning
All our pinctrl nodes were using a node name convention with a unit-address
to differentiate the different muxing options. However, since those nodes
didn't have a reg property, they were generating warnings in DTC.

In order to accomodate for this, convert the old nodes to the syntax we've
been using for the new SoCs, including removing the letter suffix of the
node labels to the bank of those pins to make things more readable.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
2018-11-28 15:14:13 +01:00
Maxime Ripard
8860687aac
ARM: dts: sun7i: Remove card detect pull-up
Boards usually have an external pull-up on the card-detect signal, so
there's no need to add another one.

This also removes a DTC warning.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
2018-11-28 15:14:12 +01:00
Maxime Ripard
054da074b1
ARM: dts: sun7i: Remove all useless pinctrl nodes
The gpio pinctrl nodes are redundant and as such useless most of the times.
Since they will also generate warnings in DTC, we can simply remove most of
them.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
2018-11-28 15:14:12 +01:00
Tuomas Tynkkynen
45e01f401a
ARM: dts: sunxi: Switch MMC nodes away from cd-inverted property
Using the cd-inverted property is not useful when GPIOs are used as card
detects since the polarity can be specified with the usual
GPIO_ACTIVE_(HIGH|LOW) GPIO flags. It has also caused confusion for
U-Boot developers, so migrate all sunxi boards away from cd-inverted.

Signed-off-by: Tuomas Tynkkynen <tuomas@tuxera.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
2018-02-13 09:37:22 +01:00
Chen-Yu Tsai
85d2913614 ARM: dts: sunxi: Remove no longer used pinctrl/sun4i-a10.h header
All dts files for the sunxi platform have been switched to the generic
pinconf bindings. As a result, the sunxi specific pinctrl macros are
no longer used.

Remove the #include entry with the following command:

    sed --follow-symlinks -i -e '/pinctrl\/sun4i-a10.h/D' \
	arch/arm/boot/dts/sun?i*.*

arch/arm/boot/dts/sun9i-a80.dtsi was then edited to remove the extra
empty line.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2017-03-27 13:39:58 +02:00
Maxime Ripard
1edcd36fcb ARM: sunxi: Convert pinctrl nodes to generic bindings
Now that we can handle the generic pinctrl bindings, convert our DT to it.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2016-12-26 08:27:11 +01:00
Maxime Ripard
119c366aea ARM: sunxi: Remove useless allwinner,pull property
The allwinner,pull property set to NO_PULL was really considered our
default (and wasn't even changing the default value in the code).

Remove these properties to make it obvious that we do not set anything in
such a case.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2016-12-26 08:24:50 +01:00
Maxime Ripard
d312f6fb80 ARM: sunxi: Remove useless allwinner,drive property
The allwinner,drive property set to 10mA was really considered as our
default. Remove all those properties entirely to make that obvious.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2016-12-26 08:24:50 +01:00
Reinder de Haan
9324ef4b14 ARM: dts: sun7i: Enable USB DRC on the Orange pi
Add usb otg support for Orange pi, based on Orange pi mini.

Signed-off-by: Reinder de Haan <patchesrdh@mveas.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2015-09-29 09:55:00 +02:00
Maxime Ripard
c0c2eb2476 ARM: sunxi: dt: Remove the FSF address
The FSF address triggers a warning on checkpatch, saying that the FSF
license is already present in the Linux source code, and that it has
already changed in the past.

Remove it from our DT, as suggested.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2015-05-10 10:22:23 +02:00
Marcus Cooper
469a22e6ba ARM: sunxi: dts: split IR pins for A10 and A20
Currently none of the target boards nor the driver supports
IR TX. However this pin is used in a few instances as a GPIO.
Split the pin ctrl descriptions so that only the IR RX is
configured to be used.

Signed-off-by: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2015-05-02 13:52:55 +02:00
Hans de Goede
69ddea3532 ARM: dts: sun7i: Add dts file for the Orangepi SBC
The Orangepi is a development board using the Allwinner A20 SoC, with 1G RAM,
microsd slot, HDMI, 1Gbit ethernet, USB wifi, Micro USB (otg), sata, 4 USB A
ports, ir receiver and a headphones jack.

Also see:
http://linux-sunxi.org/Xunlong_Orange_Pi
http://www.orangepi.org/

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
[maxime: Added /chosen/stdout-path]
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2015-04-27 08:20:32 +02:00