1Cadence Xtensa XTFPGA platform SPI controller.
2
3This simple SPI master controller is built into xtfpga bitstreams and is used
4to control daughterboard audio codec.
5
6Required properties:
7- compatible: should be "cdns,xtfpga-spi".
8- reg: physical base address of the controller and length of memory mapped
9  region.
10