On Fri, Jun 9, 2017 at 6:49 AM, Rob Herring <robh@xxxxxxxxxx> wrote:
> 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.
OK, will fix in v2.
>
>> +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.
>
OK, will fix in v2.
Thanks,
Andrey Smirnov
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