Most applications are too noisy to allow the default noise and
watchdog settings, and thus need to be configurable via DT
properties.

Also default settings to POR defaults on a reset, and register
distuber interrupts as noise since it prevents proper usage.

Cc: devicetree@vger.kernel.org
Signed-off-by: NMatt Ranostay <matt.ranostay@konsulko.com>
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NJonathan Cameron <Jonathan.Cameron@huawei.com>

spi-max-frequency is required to be set for the as3935 part, and
document such usage.

Cc: devicetree@vger.kernel.org
Signed-off-by: NMatt Ranostay <matt.ranostay@konsulko.com>
Signed-off-by: NRob Herring <robh@kernel.org>

Document compatible string, required and optional DT properties for
AS3935 chipset driver.
Signed-off-by: NMatt Ranostay <mranostay@gmail.com>
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>