4 - compatible : should be "ti,dra7xxx-qspi" or "ti,am4372-qspi".
5 - reg: Should contain QSPI registers location and length.
6 - #address-cells, #size-cells : Must be present if the device has sub-nodes
7 - ti,hwmods: Name of the hwmod associated to the QSPI
9 Recommended properties:
10 - spi-max-frequency: Definition as per
11 Documentation/devicetree/bindings/spi/spi-bus.txt
16 compatible = "ti,dra7xxx-qspi";
17 reg = <0x4b300000 0x100>;
20 spi-max-frequency = <25000000>;