1*c66ec88fSEmmanuel VadotAnalog Devices AXI SPI Engine controller Device Tree Bindings 2*c66ec88fSEmmanuel Vadot 3*c66ec88fSEmmanuel VadotRequired properties: 4*c66ec88fSEmmanuel Vadot- compatible : Must be "adi,axi-spi-engine-1.00.a"" 5*c66ec88fSEmmanuel Vadot- reg : Physical base address and size of the register map. 6*c66ec88fSEmmanuel Vadot- interrupts : Property with a value describing the interrupt 7*c66ec88fSEmmanuel Vadot number. 8*c66ec88fSEmmanuel Vadot- clock-names : List of input clock names - "s_axi_aclk", "spi_clk" 9*c66ec88fSEmmanuel Vadot- clocks : Clock phandles and specifiers (See clock bindings for 10*c66ec88fSEmmanuel Vadot details on clock-names and clocks). 11*c66ec88fSEmmanuel Vadot- #address-cells : Must be <1> 12*c66ec88fSEmmanuel Vadot- #size-cells : Must be <0> 13*c66ec88fSEmmanuel Vadot 14*c66ec88fSEmmanuel VadotOptional subnodes: 15*c66ec88fSEmmanuel Vadot Subnodes are use to represent the SPI slave devices connected to the SPI 16*c66ec88fSEmmanuel Vadot master. They follow the generic SPI bindings as outlined in spi-bus.txt. 17*c66ec88fSEmmanuel Vadot 18*c66ec88fSEmmanuel VadotExample: 19*c66ec88fSEmmanuel Vadot 20*c66ec88fSEmmanuel Vadot spi@@44a00000 { 21*c66ec88fSEmmanuel Vadot compatible = "adi,axi-spi-engine-1.00.a"; 22*c66ec88fSEmmanuel Vadot reg = <0x44a00000 0x1000>; 23*c66ec88fSEmmanuel Vadot interrupts = <0 56 4>; 24*c66ec88fSEmmanuel Vadot clocks = <&clkc 15 &clkc 15>; 25*c66ec88fSEmmanuel Vadot clock-names = "s_axi_aclk", "spi_clk"; 26*c66ec88fSEmmanuel Vadot 27*c66ec88fSEmmanuel Vadot #address-cells = <1>; 28*c66ec88fSEmmanuel Vadot #size-cells = <0>; 29*c66ec88fSEmmanuel Vadot 30*c66ec88fSEmmanuel Vadot /* SPI devices */ 31*c66ec88fSEmmanuel Vadot }; 32