spi: dw: document Microsemi integration
authorAlexandre Belloni <alexandre.belloni@bootlin.com>
Tue, 31 Jul 2018 14:38:53 +0000 (16:38 +0200)
committerMark Brown <broonie@kernel.org>
Tue, 31 Jul 2018 14:41:14 +0000 (15:41 +0100)
commitf09757ab401ff332030f8e3a41cec6a44e6d9461
tree4795cd87d9a1585d105fc641b80ed1e1d507e39e
parentbaec8eb323cd59d1bfe148a287610819d5897838
spi: dw: document Microsemi integration

The integration of the Designware SPI controller on Microsemi SoCs requires
an extra register set to be able to give the IP control of the SPI
interface.

Cc: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt