1 * MRF24J40 IEEE 802.15.4 *
4 - compatible: should be "microchip,mrf24j40", "microchip,mrf24j40ma",
5 or "microchip,mrf24j40mc" depends on your transceiver
7 - spi-max-frequency: maximal bus speed, should be set something under or equal
9 - reg: the chipselect index
10 - interrupts: the interrupt generated by the device.
15 compatible = "microchip,mrf24j40ma";
16 spi-max-frequency = <8500000>;
19 interrupt-parent = <&gpio3>;