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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: de332de26d19 ("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>
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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>
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The DWMAC specific properties to manage the PHY have been superseeded by
the generic PHY properties. Let's move to it.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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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>
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Some UART nodes on the A20 DTSI do not share the same pattern that we use
everywhere else, with the RTS and CTS pins split away from the TX and RX
pins. Make those pin groups consistent with the rest of our DT.
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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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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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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As part of our effort to move pinctrl/GPIO interlocking into the
driver where it belongs, this patch drops the definition and usage
of the mmc0_cd_pin_reference_design pinmux setting for the default
mmc0 card detect GPIO pin.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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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>
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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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The pinctrl groups for SPI until now were also adding the chip selects in
the SPI pinctrl group.
This was causing a few issues, since a board was forced to use a random
number of chipselects, even though it might use one of these chip selects
for another pin.
The number of chipselects defined was also not the same from one group to
another because of different needs at the time these groups have been
introduced, resulting in no clear view from the board DTS on what exactly
is being muxed, which even might change in the future.
Solve this by creating different pinctrl groups for the chipselects and the
standard SPI pins (CLK, MOSI and MISO) so that we fix both issues.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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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>
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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>
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Add UART aliases and stdout-path property for all the Allwinner boards so that
we won't have to rely on the bootargs' console= value, while working with
legacy bootloaders.
While we're at it, also remove the mentions of earlyprintk in the bootargs,
that will remove our default bootargs entirely, and allow the kernel to boot on
a system even if DEBUG_LL is configured for another system.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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In order to lessen the amount of duplication of the DT tree, ease the
new and follow the trend that prefers to use label based references
when overriding DTSI nodes, convert the board to this syntax
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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The current GPL only licensing on the DTSI makes it very impractical for other
software components licensed under another license.
In order to make it easier for them to reuse our device trees, relicense our
device trees under a GPL/X11 dual-license.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Wills Wang <wills.wang.open@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC DT updates from Olof Johansson:
"DT changes continue to be the bulk of our merge window contents.
We continue to have a large set of changes across the board as new
platforms and drivers are added.
Some of the new platforms are:
- Alphascale ASM9260
- Marvell Armada 388
- CSR Atlas7
- TI Davinci DM816x
- Hisilicon HiP01
- ST STiH418
There have also been some sweeping changes, including relicensing of
DTS contents from GPL to GPLv2+/X11 so that the same files can be
reused in other non-GPL projects more easily. There's also been
changes to the DT Makefile to make it a little less conflict-ridden
and churny down the road"
* tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (330 commits)
ARM: dts: Add PPMU node for exynos4412-trats2
ARM: dts: Add PPMU node for exynos3250-monk and exynos3250-rinato
ARM: dts: Add PPMU dt node for exynos4 and exynos4210
ARM: dts: Add PPMU dt node for exynos3250
ARM: dts: add mipi dsi device node for exynos4415
ARM: dts: add fimd device node for exynos4415
ARM: dts: Add syscon phandle to the video-phy node for Exynos4
ARM: dts: Add sound nodes for exynos4412-trats2
ARM: dts: Fix CLK_MOUT_CAMn parent clocks assignment for exynos4412-trats2
ARM: dts: Fix CLK_UART_ISP_SCLK clock assignment in exynos4x12.dtsi
ARM: dts: Add max77693 charger node for exynos4412-trats2
ARM: dts: Switch max77686 regulators to GPIO control for exynos4412-trats2
ARM: dts: Add suspend configuration for max77686 regulators for exynos4412-trats2
ARM: dts: Add Maxim 77693 fuel gauge node for exynos4412-trats2
ARM: dts: am57xx-beagle-x15: Fix USB2 mode
ARM: dts: am57xx-beagle-x15: Add extcon nodes for USB
ARM: dts: dra72-evm: Add extcon nodes for USB
ARM: dts: dra7-evm: Add extcon nodes for USB
ARM: dts: rockchip: move the hdmi ddc-i2c-bus property to the actual boards
ARM: dts: rockchip: enable vops and hdmi output on rk3288-firefly and -evb
...
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Commit f77d55a3b56a ("serial: 8250_dw: get index of serial line from DT
aliases") made the serial driver now use the serial aliases to get the tty
number, pointing out that our aliases have been wrong all along.
Remove them from the DTSI and add custom ones in the relevant boards.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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The NMI IRQ controller uses the standard flags definition for the IRQ level and
edges.
Use the common header to use defines instead of opaque numbers.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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The pinctrl nodes require some extra opaque arguments for the pull up and drive
strength values.
Introduce a new header file and convert the device trees to replace these
opaque numbers by defines.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Replace the various raw GPIO flags by their definition in the common
dt-bindings header.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Prepare the device trees to use the C preprocessor.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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This adds support for the A20 Hummingbird:
http://www.merrii.com/en/pla_d.asp?id=171
This patch enable most on-board peripherals supported on current kernel,
such as uart, i2c, spi, pwm, ohci/ehci, gmac and mmc.
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Wills Wang <wills.wang.open@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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