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1Zodiac Inflight Innovations RAVE Supervisory Processor Watchdog Bindings2 3RAVE SP watchdog device is a "MFD cell" device corresponding to4watchdog functionality of RAVE Supervisory Processor. It is expected5that its Device Tree node is specified as a child of the node6corresponding to the parent RAVE SP device (as documented in7Documentation/devicetree/bindings/mfd/zii,rave-sp.txt)8 9Required properties:10 11- compatible: Depending on wire protocol implemented by RAVE SP12 firmware, should be one of:13 - "zii,rave-sp-watchdog"14 - "zii,rave-sp-watchdog-legacy"15 16Optional properties:17 18- wdt-timeout: Two byte nvmem cell specified as per19 Documentation/devicetree/bindings/nvmem/nvmem.txt20 21Example:22 23 rave-sp {24 compatible = "zii,rave-sp-rdu1";25 current-speed = <38400>;26 27 eeprom {28 wdt_timeout: wdt-timeout@8E {29 reg = <0x8E 2>;30 };31 };32 33 watchdog {34 compatible = "zii,rave-sp-watchdog";35 nvmem-cells = <&wdt_timeout>;36 nvmem-cell-names = "wdt-timeout";37 };38 }39 40