This block gathers statistics about various counters and can be configured to
fire interrupts when thresholds are crossed.
Signed-off-by: NTomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: NAlexandre Courbot <acourbot@nvidia.com>
[treding@nvidia.com: rename document, minor cleanups]
Signed-off-by: NThierry Reding <treding@nvidia.com>