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authorMax Filippov <jcmvbkbc@gmail.com>2014-03-12 21:55:25 +0400
committerMark Brown <broonie@linaro.org>2014-03-13 13:12:45 +0400
commit27a89b9f0dc7c98b5c28882656d1044434ba28f1 (patch)
treec229f7e24406ba2b1174b0951a800efeb25979a6 /Documentation/devicetree/bindings/spi/spi-xtensa-xtfpga.txt
parent6840cc29f2bcc9a06a7245d17e0e2f38fbc20df0 (diff)
downloadlinux-27a89b9f0dc7c98b5c28882656d1044434ba28f1.tar.xz
spi/xtensa-xtfpga: add DT binding documentation
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/spi/spi-xtensa-xtfpga.txt')
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diff --git a/Documentation/devicetree/bindings/spi/spi-xtensa-xtfpga.txt b/Documentation/devicetree/bindings/spi/spi-xtensa-xtfpga.txt
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+Cadence Xtensa XTFPGA platform SPI controller.
+
+This simple SPI master controller is built into xtfpga bitstreams and is used
+to control daughterboard audio codec.
+
+Required properties:
+- compatible: should be "cdns,xtfpga-spi".
+- reg: physical base address of the controller and length of memory mapped
+ region.