162306a36Sopenharmony_ciAnalog Devices AXI SPI Engine controller Device Tree Bindings 262306a36Sopenharmony_ci 362306a36Sopenharmony_ciRequired properties: 462306a36Sopenharmony_ci- compatible : Must be "adi,axi-spi-engine-1.00.a"" 562306a36Sopenharmony_ci- reg : Physical base address and size of the register map. 662306a36Sopenharmony_ci- interrupts : Property with a value describing the interrupt 762306a36Sopenharmony_ci number. 862306a36Sopenharmony_ci- clock-names : List of input clock names - "s_axi_aclk", "spi_clk" 962306a36Sopenharmony_ci- clocks : Clock phandles and specifiers (See clock bindings for 1062306a36Sopenharmony_ci details on clock-names and clocks). 1162306a36Sopenharmony_ci- #address-cells : Must be <1> 1262306a36Sopenharmony_ci- #size-cells : Must be <0> 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ciOptional subnodes: 1562306a36Sopenharmony_ci Subnodes are use to represent the SPI slave devices connected to the SPI 1662306a36Sopenharmony_ci master. They follow the generic SPI bindings as outlined in spi-bus.txt. 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ciExample: 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ci spi@@44a00000 { 2162306a36Sopenharmony_ci compatible = "adi,axi-spi-engine-1.00.a"; 2262306a36Sopenharmony_ci reg = <0x44a00000 0x1000>; 2362306a36Sopenharmony_ci interrupts = <0 56 4>; 2462306a36Sopenharmony_ci clocks = <&clkc 15 &clkc 15>; 2562306a36Sopenharmony_ci clock-names = "s_axi_aclk", "spi_clk"; 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_ci #address-cells = <1>; 2862306a36Sopenharmony_ci #size-cells = <0>; 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_ci /* SPI devices */ 3162306a36Sopenharmony_ci }; 32