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1J-Core SPI master2 3Required properties:4 5- compatible: Must be "jcore,spi2".6 7- reg: Memory region for registers.8 9- #address-cells: Must be 1.10 11- #size-cells: Must be 0.12 13Optional properties:14 15- clocks: If a phandle named "ref_clk" is present, SPI clock speed16 programming is relative to the frequency of the indicated clock.17 Necessary only if the input clock rate is something other than a18 fixed 50 MHz.19 20- clock-names: Clock names, one for each phandle in clocks.21 22See spi-bus.txt for additional properties not specific to this device.23 24Example:25 26spi@40 {27 compatible = "jcore,spi2";28 #address-cells = <1>;29 #size-cells = <0>;30 reg = <0x40 0x8>;31 spi-max-frequency = <25000000>;32 clocks = <&bus_clk>;33 clock-names = "ref_clk";34}35