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* ASoC: axi-i2s: make both "rx" and "tx" optionalLuca Ceresoli2019-03-111-2/+5
| | | | | | | | | Both the capture and playback channels are optional in the axi_i2s IP block. Document how to tell the driver which channels are instantiated. Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net> Signed-off-by: Mark Brown <broonie@kernel.org>
* dt-bindings: Remove leading 0x from bindings notationMathieu Malaterre2017-12-061-1/+1
| | | | | | | | | | | | | | | | Improve the binding example by removing all the leading 0x to fix the following dtc warnings: Warning (unit_address_format): Node /XXX unit name should not have leading "0x" Converted using the following command: find Documentation/devicetree/bindings -name "*.txt" -exec sed -i -e 's/([^ ])\@0x([0-9a-f])/$1\@$2/g' {} + This is a follow up to commit 48c926cd3414 Signed-off-by: Mathieu Malaterre <malat@debian.org> Signed-off-by: Rob Herring <robh@kernel.org>
* dt: Add bindings documentation for the ADI AXI-I2S controllerLars-Peter Clausen2013-12-091-0/+31
This patch adds the devicetree documentation for the ADI AXI-SPDIF audio controller. The controller has: * One set of memory mapped register * Two clocks, one for the memory mapped register interface, one used as the audio reference clock * One DMA interface each for the transmit and receive data Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Cc: Rob Herring <rob.herring@calxeda.com> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Stephen Warren <swarren@wwwdotorg.org> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Cc: devicetree@vger.kernel.org Signed-off-by: Mark Brown <broonie@linaro.org>
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