This driver is used with 6LoWPAN and Wi-SUN stacks.
Driver is tested with X-Nucleo-S2868A1 RF expansion board. https://www.st.com/en/ecosystems/x-nucleo-s2868a1.html
NOTE: Default SPI SCLK pin configuration is D13. On X-Nucleo-S2868A1, resistor R6 must be soldered instead of R11. For more information, see user manual UM2405. https://www.st.com/resource/en/user_manual/dm00498153.pdf