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| author |   Andrey Smirnov <andrew.smirnov@gmail.com> | 2017-12-20 22:51:18 -0800 |
|---|---|---|
| committer |   Lee Jones <lee.jones@linaro.org> | 2018-01-08 10:08:37 +0000 |
| commit | a8b751eb709ecefe0a81a0112d9c01b2181a3efa (patch) | |
| tree | 77b9b26d79ecf6af21d44f277087f67441a92e7b /Documentation/devicetree/bindings/watchdog | |
| parent | watchdog: Add RAVE SP watchdog driver (diff) | |
| download | linux-dev-a8b751eb709ecefe0a81a0112d9c01b2181a3efa.tar.xz linux-dev-a8b751eb709ecefe0a81a0112d9c01b2181a3efa.zip | |
dt-bindings: watchdog: Add bindings for RAVE SP watchdog driver
Add Device Tree bindings for RAVE SP watchdog drvier - an MFD cell of
parent RAVE SP driver (documented in
Documentation/devicetree/bindings/mfd/zii,rave-sp.txt).
Acked-by: Philippe Ombredanne <pombredanne@nexb.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/watchdog')
| -rw-r--r-- | Documentation/devicetree/bindings/watchdog/zii,rave-sp-wdt.txt | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/zii,rave-sp-wdt.txt b/Documentation/devicetree/bindings/watchdog/zii,rave-sp-wdt.txt new file mode 100644 index 000000000000..3de96186e92e --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/zii,rave-sp-wdt.txt @@ -0,0 +1,39 @@ +Zodiac Inflight Innovations RAVE Supervisory Processor Watchdog Bindings + +RAVE SP watchdog device is a "MFD cell" device corresponding to +watchdog functionality of RAVE Supervisory Processor. It is expected +that its Device Tree node is specified as a child of the node +corresponding to the parent RAVE SP device (as documented in +Documentation/devicetree/bindings/mfd/zii,rave-sp.txt) + +Required properties: + +- compatible: Depending on wire protocol implemented by RAVE SP + firmware, should be one of: + - "zii,rave-sp-watchdog" + - "zii,rave-sp-watchdog-legacy" + +Optional properties: + +- wdt-timeout: Two byte nvmem cell specified as per + Documentation/devicetree/bindings/nvmem/nvmem.txt + +Example: + + rave-sp { + compatible = "zii,rave-sp-rdu1"; + current-speed = <38400>; + + eeprom { + wdt_timeout: wdt-timeout@8E { + reg = <0x8E 2>; + }; + }; + + watchdog { + compatible = "zii,rave-sp-watchdog"; + nvmem-cells = <&wdt_timeout>; + nvmem-cell-names = "wdt-timeout"; + }; + } + |