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This allows to configure the NRD register from device tree or platform data.
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
(cherry picked from commit 92ed1faf672e46e3e54b1f41f0b38f533b53b1aa)
(cherry picked from commit 6b5280f4e71770600d5b89638d849896158f2ec3)
(cherry picked from commit be31d2bfdc94dafefc28826e7cc06a991218e35b)
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While the usb3503 variant uses a HSIC connection to upstream,
the usb3803 uses a regular USB connection and provides a
bypass mode which connects the upstream port with downstream
port 3.
This adds an additional control gpio to the configuration which
allows moving away from the bypass mode to either standby or hub
mode once the driver is instantiated.
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
(cherry picked from commit e7812f55781bd9453a231d104a2c6c520491e2e4)
(cherry picked from commit 8662817b83bee3c30336f104608752fcb652f5c4)
(cherry picked from commit a13c0df11735a5964ceec0d72e17226773bcc01f)
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Improve the binding example by removing all the leading zeros to fix the
following dtc warnings:
Warning (unit_address_format): Node /XXX unit name should not have leading 0s
Converted using the following command:
perl -p -i -e 's/\@0+([0-9a-f])/\@$1/g' `find ./Documentation/devicetree/bindings "*.txt"`
Some unnecessary changes were manually fixed.
Signed-off-by: Marco Franchi <marco.franchi@nxp.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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'availe' to 'available'
'desribed' to 'described'
Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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USB3503 chip supports 8 values of reference clock. The value is
specified by REF_SEL[1:0] pins and INT_N line. This patch add support
for getting 'refclk' clock, enabling it and setting INT_N line according
to the value of the gathered clock. If no clock has been specified,
driver defaults to the old behaviour (assuming that clock has been
specified by REF_SEL pins from primary reference clock frequencies
table).
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Refactor so that register writes for configuration are only performed if
the device has a regmap provided and also register as a platform driver.
This allows the driver to be used to manage GPIO based control of the
device.
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: devicetree@vger.kernel.org
Reviewed-by: Dongjin Kim <tobetter@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The binding document says that all properties are required but in fact
almost all are optional (and should be) - update the document to reflect
this.
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There are no software visible differences that I am aware of but in case
any are discovered allow the DTS to specify exactly which device is
present.
Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch is to add a property 'disabled-ports' representing the unused port
of USB3503. USB3503 can support up to 3 USB host port and each ports can be
controlled to be enabled or disabled. Do not describe this property if all
ports must be enabled.
You can represent the ports to disable in the device tree.
usb3503@08{
...
disabled-ports = <2 3>;
...
};
Signed-off-by: Dongjin Kim <tobetter@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Added device tree support for usb3503 driver and add new document with device tree binding information.
Signed-off-by: Dongjin Kim <tobetter@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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