18c2ecf20Sopenharmony_ciZodiac Inflight Innovations RAVE Supervisory Processor 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ciRAVE Supervisory Processor communicates with SoC over UART. It is 48c2ecf20Sopenharmony_ciexpected that its Device Tree node is specified as a child of a node 58c2ecf20Sopenharmony_cicorresponding to UART controller used for communication. 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_ciRequired parent device properties: 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ci - compatible: Should be one of: 108c2ecf20Sopenharmony_ci - "zii,rave-sp-niu" 118c2ecf20Sopenharmony_ci - "zii,rave-sp-mezz" 128c2ecf20Sopenharmony_ci - "zii,rave-sp-esb" 138c2ecf20Sopenharmony_ci - "zii,rave-sp-rdu1" 148c2ecf20Sopenharmony_ci - "zii,rave-sp-rdu2" 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_ci - current-speed: Should be set to baud rate SP device is using 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ciRAVE SP consists of the following sub-devices: 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_ciDevice Description 218c2ecf20Sopenharmony_ci------ ----------- 228c2ecf20Sopenharmony_cirave-sp-wdt : Watchdog 238c2ecf20Sopenharmony_cirave-sp-nvmem : Interface to onboard EEPROM 248c2ecf20Sopenharmony_cirave-sp-backlight : Display backlight 258c2ecf20Sopenharmony_cirave-sp-hwmon : Interface to onboard hardware sensors 268c2ecf20Sopenharmony_cirave-sp-leds : Interface to onboard LEDs 278c2ecf20Sopenharmony_cirave-sp-input : Interface to onboard power button 288c2ecf20Sopenharmony_ci 298c2ecf20Sopenharmony_ciExample of usage: 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_ci rdu { 328c2ecf20Sopenharmony_ci compatible = "zii,rave-sp-rdu2"; 338c2ecf20Sopenharmony_ci current-speed = <1000000>; 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_ci watchdog { 368c2ecf20Sopenharmony_ci compatible = "zii,rave-sp-watchdog"; 378c2ecf20Sopenharmony_ci }; 388c2ecf20Sopenharmony_ci }; 398c2ecf20Sopenharmony_ci 40