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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>
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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>
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The I2C's and MMC0 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>
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Now that all the SoCs using the tablet reference design DTSI are using the
same pinctrl naming scheme, we can move back the pinctrl phandles to the
main DTSI.
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
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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>
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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>
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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>
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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>
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dtc has new checks for I2C buses. Fix the warnings in unit-addresses.
arch/arm/boot/dts/sun8i-a23-gt90h-v4.dtb: Warning (i2c_bus_reg): /soc@1c00000/i2c@1c2ac00/touchscreen@0: I2C bus unit address format error, expected "40"
arch/arm/boot/dts/sun8i-a23-inet86dz.dtb: Warning (i2c_bus_reg): /soc@1c00000/i2c@1c2ac00/touchscreen@0: I2C bus unit address format error, expected "40"
arch/arm/boot/dts/sun8i-a23-polaroid-mid2407pxe03.dtb: Warning (i2c_bus_reg): /soc@1c00000/i2c@1c2ac00/touchscreen@0: I2C bus unit address format error, expected "40"
arch/arm/boot/dts/sun8i-a23-polaroid-mid2809pxe04.dtb: Warning (i2c_bus_reg): /soc@1c00000/i2c@1c2ac00/touchscreen@0: I2C bus unit address format error, expected "40"
arch/arm/boot/dts/sun8i-a33-ga10h-v1.1.dtb: Warning (i2c_bus_reg): /soc@1c00000/i2c@1c2ac00/touchscreen@0: I2C bus unit address format error, expected "40"
arch/arm/boot/dts/sun8i-a33-inet-d978-rev2.dtb: Warning (i2c_bus_reg): /soc@1c00000/i2c@1c2ac00/touchscreen@0: missing or empty reg property
arch/arm/boot/dts/sun8i-a33-ippo-q8h-v1.2.dtb: Warning (i2c_bus_reg): /soc@1c00000/i2c@1c2ac00/touchscreen@0: missing or empty reg property
arch/arm/boot/dts/sun8i-a33-q8-tablet.dtb: Warning (i2c_bus_reg): /soc@1c00000/i2c@1c2ac00/touchscreen@0: missing or empty reg property
arch/arm/boot/dts/sun5i-a13-utoo-p66.dtb: Warning (i2c_bus_reg): /soc@1c00000/i2c@1c2b000/touchscreen: I2C bus unit address format error, expected "40"
arch/arm/boot/dts/sun5i-a13-difrnce-dit4350.dtb: Warning (i2c_bus_reg): /soc@1c00000/i2c@1c2b000/touchscreen: missing or empty reg property
arch/arm/boot/dts/sun5i-a13-empire-electronix-m712.dtb: Warning (i2c_bus_reg): /soc@1c00000/i2c@1c2b000/touchscreen: missing or empty reg property
arch/arm/boot/dts/sun5i-a13-inet-98v-rev2.dtb: Warning (i2c_bus_reg): /soc@1c00000/i2c@1c2b000/touchscreen: missing or empty reg property
arch/arm/boot/dts/sun5i-a13-q8-tablet.dtb: Warning (i2c_bus_reg): /soc@1c00000/i2c@1c2b000/touchscreen: missing or empty reg property
Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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Pull "Allwinner H3/H5 changes for 4.17" from Maxime Ripard:
Here is our usual bunch of changes to the common DTSI shared between arm
and arm64, and their associated device trees.
Even though the diffstat is quite big, it's been mostly just cleanups. The
big feature is that the HDMI is now suported on H3 and H5 boards.
* tag 'sunxi-h3-h5-for-4.17' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
arm64: allwinner: H5: Add Xunlong Orange Pi Zero Plus
ARM: dts: sun8i-h3: Add Mali node
ARM64: dts: sun50i: h5: Enable HDMI output on H5 boards
ARM: dts: sun8i: h3: Enable HDMI output on H3 boards
ARM: dts: sunxi: h3/h5: Add HDMI pipeline
ARM: dts: sun8i: h2-plus: remove unnecessary mmc1_pins node
ARM: dts: sunxi: h3-h5: rename mmc0_pins_a and mmc1_pins_a
ARM: dts: sunxi: h3-h5: Move pinctrl of mmc1 from dts to dtsi
ARM: dts: sunxi: h3-h5: Move pinctrl of mmc0 from dts to dtsi
ARM: dts: sunxi: h3-h5: remove mmc0 card detection pin from pinctrl
ARM: dts: sun8i: h2+: add support for Banana Pi M2 Zero board
ARM: dts: sunxi: Switch MMC nodes away from cd-inverted property
ARM: dts: nanopi-neo-air: Add WiFi / eMMC
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The A23/A33 reference tablet design has a DC barrel tied to the ACIN
of the PMIC. And being a tablet, it has a Li-Po battery.
Enable both power supplies in the device tree.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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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>
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The bl_en_pin GPIO pinmux is configured as "gpio_in", which makes it
conflicts with the real GPIO usage (out), and makes the backlight not
usable.
Drop the GPIO pinmux for it, thus this GPIO can be correctly used.
Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Previously, the sun8i tablets used everything declared in AXP221 DTSI
while they have an AXP223 PMIC.
This corrects that so the sun8i tablets can get some features the AXP223
has (at the moment, ability to have 100mA as maximal current on VBUS
power supply).
Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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All reference design A33 tablets uses DCDC2 of AXP223 as the power
supply of the Cortex-A7 cores.
Set the cpu-supply in the DTSI of sun8i reference tablets.
Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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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>
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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>
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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>
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On some Q8 and other tablets ldo_io1 is used as vcc-touchscreen,
config at as such in sun8i-reference-design-tablet.dtsi.
Note that it will only be enabled when it us actually referenced by
a foo-supply property in the touchscreen node, so for tablets which
do not use ldo_io1 as vcc-touchscreen, it will be disabled.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Rename the reference-design-tablet touchscreen node from gsl1680 to
touchscreen, all? tablets seem to use the same power and interrupt
gpio-s, but not all tablets use a gsl1680 controller making the
gsl1680 name somewhat misleading.
Also move the reg and compatible property to the actual tablet dts
as they may differ per tablet.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Almost all sun8i tablets use a gsl1680 touchscreen controller, so add
a node describing it to reference-design-tablet.dtsi.
Almost all, but not all, so mark it as disabled by default (dts files
will also need to supply a firmware-name and resolution info).
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Add a drivevbus-supply property so that the drivevbus regulator
reports the right voltage value.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Copy sun8i-q8-common.dtsi to sun8i-reference-design-tablet.dtsi. This
is part of renaming all the sun?i-q8-common.dtsi files to
sun?i-reference-design-tablet.dtsi since most of the hw-config in there
is shared by all sunxi tablets.
Note that in this case we keep sun5i-q8-common.dtsi as it is shared
between a23 / a33 q8 tablets. Also we leave the usb-wifi config in
there (rather then in sun8i-reference-design-tablet.dtsi) as most
sun8i tablets use sdio wifi rather then usb wifi.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Maxime Ripard
Rob Herring
Arnd Bergmann
Chen-Yu Tsai
Tuomas Tynkkynen
Icenowy Zheng
Quentin Schulz
Maxime Ripard
Hans de Goede