On Fri, Jan 08, 2016 at 10:15:20PM +0800, John Garry wrote: > Add the dt bindings for HiSi SAS controller v2 HW. > > The main difference in the controllers from dt perspective > is interrupts. > > Signed-off-by: John Garry <john.garry@xxxxxxxxxx> > --- > .../devicetree/bindings/scsi/hisilicon-sas.txt | 20 +++++++++++++++++++- > 1 file changed, 19 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt b/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt > index 0a7a325..2695023 100644 > --- a/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt > +++ b/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt > @@ -5,6 +5,7 @@ The HiSilicon SAS controller supports SAS/SATA. > Main node required properties: > - compatible : value should be as follows: > (a) "hisilicon,hip05-sas-v1" for v1 hw in hip05 chipset > + (b) "hisilicon,hip06-sas-v2" for v2 hw in hip06 chipset > - sas-addr : array of 8 bytes for host SAS address > - reg : Address and length of the SAS register > - hisilicon,sas-syscon: phandle of syscon used for sas control > @@ -13,11 +14,11 @@ Main node required properties: > - ctrl-clock-ena-reg : offset to controller clock enable register in ctrl reg > - queue-count : number of delivery and completion queues in the controller > - phy-count : number of phys accessible by the controller > - - interrupts : Interrupts for phys, completion queues, and fatal > + - interrupts : For v1 hw: Interrupts for phys, completion queues, and fatal > sources; the interrupts are ordered in 3 groups, as follows: > - - Phy interrupts > - - Completion queue interrupts > - - Fatal interrupts > + - Phy interrupts > + - Completion queue interrupts > + - Fatal interrupts > Phy interrupts : Each phy has 3 interrupt sources: > - broadcast > - phyup > @@ -25,11 +26,28 @@ Main node required properties: > The phy interrupts are ordered into groups of 3 per phy > (broadcast, phyup, and abnormal) in increasing order. > Completion queue interrupts : each completion queue has 1 > - interrupt source. > - The interrupts are ordered in increasing order. > + interrupt source. The interrupts are ordered in > + increasing order. > Fatal interrupts : the fatal interrupts are ordered as follows: > - ECC > - AXI bus > + For v2 hw: Interrupts for phys, Sata, and completion queues; > + the interrupts are ordered in 3 groups, as follows: > + - Phy interrupts > + - Sata interrupts > + - Completion queue interrupts > + Phy interrupts : Each controller has 2 phy interrupts: > + - phy up/down > + - channel interrupt > + Sata interrupts : Each phy on the controller has 1 Sata > + interrupt. The interrupts are ordered in increasing > + order. > + Completion queue interrupts : each completion queue has 1 > + interrupt source. The interrupts are ordered in > + increasing order. There are no fatal interrupts in V2? > +Optional main node properties: > + - am-max-trans : limit controller for am max transmissions Is this a boolean? Number? Thanks, Mark. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
