1 Zodiac Inflight Innovations RAVE Supervisory Processor Watchdog Bindings
2
3 RAVE SP watchdog device is a "MFD cell" device corresponding to
4 watchdog functionality of RAVE Supervisory Processor. It is expected
5 that its Device Tree node is specified as a child of the node
6 corresponding to the parent RAVE SP device (as documented in
7 Documentation/devicetree/bindings/mfd/zii,rave-sp.txt)
8
9 Required properties:
10
11 - compatible: Depending on wire protocol implemented by RAVE SP
12 firmware, should be one of:
13 - "zii,rave-sp-watchdog"
14 - "zii,rave-sp-watchdog-legacy"
15
16 Optional properties:
17
18 - wdt-timeout: Two byte nvmem cell specified as per
19 Documentation/devicetree/bindings/nvmem/nvmem.txt
20
21 Example:
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
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