| Message ID | 1447086757-147706-3-git-send-email-john.garry@huawei.com |
|---|---|
| State | New |
| Headers | show |
On Tue, Nov 10, 2015 at 12:32:07AM +0800, John Garry wrote: > Add devicetree bindings for HiSilicon SAS driver. > > Signed-off-by: John Garry <john.garry@huawei.com> > Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org> > --- > .../devicetree/bindings/scsi/hisilicon-sas.txt | 81 ++++++++++++++++++++++ > 1 file changed, 81 insertions(+) > create mode 100644 Documentation/devicetree/bindings/scsi/hisilicon-sas.txt > > diff --git a/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt b/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt > new file mode 100644 > index 0000000..2333cc3 > --- /dev/null > +++ b/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt > @@ -0,0 +1,81 @@ > +* HiSilicon SAS controller > + > +The HiSilicon SAS controller supports SAS/SATA. > + > +Main node required properties: > + - compatible : value should be as follows: > + (a) "hisilicon,sas-controller-v1" for v1 of HiSilicon SAS controller IP Please do a more specific compatible string with the SOC part number. Same versions of IP blocks can have different integration/process features/bugs. > + - 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 > + - ctrl-reset-reg : offset to controller reset register in ctrl reg > + - ctrl-reset-sts-reg : offset to controller reset status register in ctrl reg > + - 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 > + sources; the interrupts are ordered in 3 groups, as follows: > + - Phy interrupts > + - Completion queue interrupts > + - Fatal interrupts > + Phy interrupts : Each phy has 3 interrupt sources: > + - broadcast > + - phyup > + - abnormal > + 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. > + Fatal interrupts : the fatal interrupts are ordered as follows: > + - ECC > + - AXI bus > + > +* HiSilicon SAS syscon > + > +Required properties: > +- compatible: should be "hisilicon,sas-ctrl", "syscon" Please add a more specific compatible here too. Rob -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt b/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt new file mode 100644 index 0000000..2333cc3 --- /dev/null +++ b/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt @@ -0,0 +1,81 @@ +* HiSilicon SAS controller + +The HiSilicon SAS controller supports SAS/SATA. + +Main node required properties: + - compatible : value should be as follows: + (a) "hisilicon,sas-controller-v1" for v1 of HiSilicon SAS controller IP + - 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 + - ctrl-reset-reg : offset to controller reset register in ctrl reg + - ctrl-reset-sts-reg : offset to controller reset status register in ctrl reg + - 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 + sources; the interrupts are ordered in 3 groups, as follows: + - Phy interrupts + - Completion queue interrupts + - Fatal interrupts + Phy interrupts : Each phy has 3 interrupt sources: + - broadcast + - phyup + - abnormal + 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. + Fatal interrupts : the fatal interrupts are ordered as follows: + - ECC + - AXI bus + +* HiSilicon SAS syscon + +Required properties: +- compatible: should be "hisilicon,sas-ctrl", "syscon" +- reg: offset and length of the syscon sas-ctrl registers + + +Example: + sas_ctrl0: sas_ctrl@c0000000 { + compatible = "hisilicon,sas-ctrl", "syscon"; + reg = <0x0 0xc0000000 0x0 0x10000>; + }; + + sas0: sas@c1000000 { + compatible = "hisilicon,sas-controller-v1"; + sas-addr = [50 01 88 20 16 00 00 0a]; + reg = <0x0 0xc1000000 0x0 0x10000>; + hisilicon,sas-syscon = <&sas_ctrl0>; + ctrl-reset-reg = <0xa60>; + ctrl-reset-sts-reg = <0x5a30>; + ctrl-clock-ena-reg = <0x338>; + queue-count = <32>; + phy-count = <8>; + dma-coherent; + interrupt-parent = <&mbigen_dsa>; + interrupts = <259 4>,<263 4>,<264 4>,/* phy0 */ + <269 4>,<273 4>,<274 4>,/* phy1 */ + <279 4>,<283 4>,<284 4>,/* phy2 */ + <289 4>,<293 4>,<294 4>,/* phy3 */ + <299 4>,<303 4>,<304 4>,/* phy4 */ + <309 4>,<313 4>,<314 4>,/* phy5 */ + <319 4>,<323 4>,<324 4>,/* phy6 */ + <329 4>,<333 4>,<334 4>,/* phy7 */ + <336 1>,<337 1>,<338 1>,/* cq0-2 */ + <339 1>,<340 1>,<341 1>,/* cq3-5 */ + <342 1>,<343 1>,<344 1>,/* cq6-8 */ + <345 1>,<346 1>,<347 1>,/* cq9-11 */ + <348 1>,<349 1>,<350 1>,/* cq12-14 */ + <351 1>,<352 1>,<353 1>,/* cq15-17 */ + <354 1>,<355 1>,<356 1>,/* cq18-20 */ + <357 1>,<358 1>,<359 1>,/* cq21-23 */ + <360 1>,<361 1>,<362 1>,/* cq24-26 */ + <363 1>,<364 1>,<365 1>,/* cq27-29 */ + <366 1>,<367 1>/* cq30-31 */ + <376 4>,/* fatal ecc */ + <381 4>;/* fatal axi */ + status = "disabled"; + };