On Tue, Jun 06, 2017 at 11:06:43AM -0700, Andrey Smirnov wrote:
> Add a driver for RAVE Supervisory Processor, an MCU implementing
> varoius bits of housekeeping functionality (watchdoging, backlight
> control, LED control, etc) on RAVE family of products by Zodiac
> Inflight Innovations.
>
> This driver implementes core MFD/serdev device as well as
> communication subroutines necessary for commanding the device.
>
> Cc: cphealy@xxxxxxxxx
> Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
> Cc: Nikita Yushchenko <nikita.yoush@xxxxxxxxxxxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
> ---
>
> Note that the driver for "zii,rave-sp-watchdog" exists, but I haven't
> submitted it yet, becuase I wanted to make sure that API exposed by
> this MFD is acceptable and doesn't need drastic changes
>
> .../devicetree/bindings/mfd/zii,rave-sp.txt | 33 +
> drivers/mfd/Kconfig | 9 +
> drivers/mfd/Makefile | 1 +
> drivers/mfd/rave-sp.c | 1009 ++++++++++++++++++++
> include/linux/rave-sp.h | 54 ++
> 5 files changed, 1106 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/zii,rave-sp.txt
> create mode 100644 drivers/mfd/rave-sp.c
> create mode 100644 include/linux/rave-sp.h
>
> diff --git a/Documentation/devicetree/bindings/mfd/zii,rave-sp.txt b/Documentation/devicetree/bindings/mfd/zii,rave-sp.txt
> new file mode 100644
> index 0000000..46a904c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/zii,rave-sp.txt
> @@ -0,0 +1,33 @@
> +Zodiac Inflight Innovations RAVE Supervisory Processor
> +
> +Required parent device properties:
> +
> + - compatible: Should be one of:
> + - "zii,rave-sp-niu"
> + - "zii,rave-sp-mezz"
> + - "zii,rave-sp-esb"
> + - "zii,rave-sp-rdu1"
> + - "zii,rave-sp-rdu2"
> +
> + - current-speed: Should be set to baud rate SP device is using
> +
Please clarify that this must be a child of a serial device node.
> +RAVE SP consists of the following sub-devices:
> +
> +Device Description
> +------ -----------
> +rave-sp-wdt : Watchdog
> +
> +
> +Example of usage:
> +
> + rdu {
> + compatible = "zii,rave-sp-rdu2";
> + current-speed = <1000000>;
> + status = "okay";
Don't show status in examples.
> +
> + watchdog {
> + compatible = "zii,rave-sp-watchdog";
> + status = "okay";
> + };
> + };
> +
--
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