On Tue, Oct 31, 2017 at 09:36:56AM -0700, Andrey Smirnov wrote:
> 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).
>
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: linux-watchdog@xxxxxxxxxxxxxxx
> Cc: cphealy@xxxxxxxxx
> Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
> Cc: Nikita Yushchenko <nikita.yoush@xxxxxxxxxxxxxxxxxx>
> Cc: Lee Jones <lee.jones@xxxxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: Pavel Machek <pavel@xxxxxx>
> Cc: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
> Cc: Guenter Roeck <linux@xxxxxxxxxxxx>
> Cc: Rob Herring <robh@xxxxxxxxxx>
> Cc: Johan Hovold <johan@xxxxxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx>
> Acked-by: Rob Herring <robh@xxxxxxxxxx>
> Signed-off-by: Nikita Yushchenko <nikita.yoush@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> ---
> .../bindings/watchdog/zii,rave-sp-wdt.txt | 39 ++++++++++++++++++++++
> 1 file changed, 39 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/watchdog/zii,rave-sp-wdt.txt
>
> 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..ab16659e781d
> --- /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: Should be "zii,rave-sp-watchdog"
> +
> +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 {
> + compatible = "zii,pic-main-eeprom";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + wdt_timeout: wdt-timeout@8E {
> + reg = <0x8E 2>;
> + };
> + };
> +
> + watchdog {
> + compatible = "zii,rave-sp-watchdog";
> + nvmem-cells = <&wdt_timeout>;
> + nvmem-cell-names = "wdt-timeout";
> + };
> + }
> +
> --
> 2.13.6
>
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