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1Zodiac Inflight Innovations RAVE Supervisory Processor2 3RAVE Supervisory Processor communicates with SoC over UART. It is4expected that its Device Tree node is specified as a child of a node5corresponding to UART controller used for communication.6 7Required parent device properties:8 9 - compatible: Should be one of:10 - "zii,rave-sp-niu"11 - "zii,rave-sp-mezz"12 - "zii,rave-sp-esb"13 - "zii,rave-sp-rdu1"14 - "zii,rave-sp-rdu2"15 16 - current-speed: Should be set to baud rate SP device is using17 18RAVE SP consists of the following sub-devices:19 20Device Description21------ -----------22rave-sp-wdt : Watchdog23rave-sp-nvmem : Interface to onboard EEPROM24rave-sp-backlight : Display backlight25rave-sp-hwmon : Interface to onboard hardware sensors26rave-sp-leds : Interface to onboard LEDs27rave-sp-input : Interface to onboard power button28 29Example of usage:30 31 rdu {32 compatible = "zii,rave-sp-rdu2";33 current-speed = <1000000>;34 35 watchdog {36 compatible = "zii,rave-sp-watchdog";37 };38 };39 40