1*27a89b9fSMax FilippovCadence Xtensa XTFPGA platform SPI controller. 2*27a89b9fSMax Filippov 3*27a89b9fSMax FilippovThis simple SPI master controller is built into xtfpga bitstreams and is used 4*27a89b9fSMax Filippovto control daughterboard audio codec. 5*27a89b9fSMax Filippov 6*27a89b9fSMax FilippovRequired properties: 7*27a89b9fSMax Filippov- compatible: should be "cdns,xtfpga-spi". 8*27a89b9fSMax Filippov- reg: physical base address of the controller and length of memory mapped 9*27a89b9fSMax Filippov region. 10