John Garry 7d37d6b6b2 devicetree: bindings: hisi_sas: add v2 HW bindings ... Add the dt bindings for HiSi SAS controller v2 HW. The main difference in the controller from dt perspective is interrupts. The v2 controller does not have dedicated fatal and broadcast interrupts - they are multiplexed on the channel interrupt. Each SAS v2 controller can issue upto 64 commands (or connection requests) on the system bus without waiting for a response - this is know as am-max-transmissions. In hip06, sas controller #1 has a limitation that it has to limit am-max-transmissions to 32 - this limitation is due to chip system bus design. It is not anticipated that any future chip incorporating v2 controller will have such a limitation. Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>		2016-02-23 21:27:02 -05:00
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hisilicon-sas.txt	devicetree: bindings: hisi_sas: add v2 HW bindings	2016-02-23 21:27:02 -05:00