| Message ID | 1389742458-7693-4-git-send-email-tinamdar@apm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Bjorn Helgaas |
| Headers | show |
On Wednesday 15 January 2014, Tanmay Inamdar wrote: > This patch adds the bindings for X-Gene PCIe driver. The driver resides > under 'drivers/pci/host/pci-xgene.c' file. > > Signed-off-by: Tanmay Inamdar <tinamdar@apm.com> > --- > .../devicetree/bindings/pci/xgene-pcie.txt | 45 ++++++++++++++++++++ > 1 file changed, 45 insertions(+) > create mode 100644 Documentation/devicetree/bindings/pci/xgene-pcie.txt > > diff --git a/Documentation/devicetree/bindings/pci/xgene-pcie.txt b/Documentation/devicetree/bindings/pci/xgene-pcie.txt > new file mode 100644 > index 0000000..19b9c28 > --- /dev/null > +++ b/Documentation/devicetree/bindings/pci/xgene-pcie.txt > @@ -0,0 +1,45 @@ > +* AppliedMicro X-Gene PCIe interface > + > +Required properties: > +- status: Either "ok" or "disabled". "status" isn't normally a required property. The default interpretation is that a node without a status property is active. > +- device_type: set to "pci" > +- compatible: should contain "xgene,pcie" to identify the core. > +- reg: base addresses and lengths of the pcie controller configuration > + space register. Doesn't match the code or example: You only list one area here, but you actually need to register sets. Looks good otherwise now. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Wed, Jan 15, 2014 at 1:57 AM, Arnd Bergmann <arnd@arndb.de> wrote: > On Wednesday 15 January 2014, Tanmay Inamdar wrote: >> This patch adds the bindings for X-Gene PCIe driver. The driver resides >> under 'drivers/pci/host/pci-xgene.c' file. >> >> Signed-off-by: Tanmay Inamdar <tinamdar@apm.com> >> --- >> .../devicetree/bindings/pci/xgene-pcie.txt | 45 ++++++++++++++++++++ >> 1 file changed, 45 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/pci/xgene-pcie.txt >> >> diff --git a/Documentation/devicetree/bindings/pci/xgene-pcie.txt b/Documentation/devicetree/bindings/pci/xgene-pcie.txt >> new file mode 100644 >> index 0000000..19b9c28 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/pci/xgene-pcie.txt >> @@ -0,0 +1,45 @@ >> +* AppliedMicro X-Gene PCIe interface >> + >> +Required properties: >> +- status: Either "ok" or "disabled". > > "status" isn't normally a required property. The default interpretation is > that a node without a status property is active. ok. I will move 'status' under optional properties. > >> +- device_type: set to "pci" >> +- compatible: should contain "xgene,pcie" to identify the core. >> +- reg: base addresses and lengths of the pcie controller configuration >> + space register. > > Doesn't match the code or example: You only list one area here, but > you actually need to register sets. ok. I will update > > Looks good otherwise now. > > Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-pci" 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/pci/xgene-pcie.txt b/Documentation/devicetree/bindings/pci/xgene-pcie.txt new file mode 100644 index 0000000..19b9c28 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/xgene-pcie.txt @@ -0,0 +1,45 @@ +* AppliedMicro X-Gene PCIe interface + +Required properties: +- status: Either "ok" or "disabled". +- device_type: set to "pci" +- compatible: should contain "xgene,pcie" to identify the core. +- reg: base addresses and lengths of the pcie controller configuration + space register. +- #address-cells: set to <3> +- #size-cells: set to <2> +- ranges: ranges for the outbound memory, I/O regions. +- dma-ranges: ranges for the inbound memory regions. +- #interrupt-cells: set to <1> +- interrupt-map-mask and interrupt-map: standard PCI properties + to define the mapping of the PCIe interface to interrupt + numbers. +- clocks: from common clock binding: handle to pci clock. + +Example: + +SoC specific DT Entry: + pcie0: pcie@1f2b0000 { + status = "disabled"; + device_type = "pci"; + compatible = "apm,xgene-pcie"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + reg = < 0x00 0x1f2b0000 0x0 0x00010000 + 0xe0 0xd0000000 0x0 0x00200000>; + ranges = <0x01000000 0x00 0x00000000 0xe0 0x00000000 0x00 0x00010000 /* io */ + 0x02000000 0x00 0x10000000 0xe0 0x10000000 0x00 0x80000000>; /* mem */ + dma-ranges = <0x42000000 0x40 0x00000000 0x40 0x00000000 0x40 0x00000000>; + interrupt-map-mask = <0x0 0x0 0x0 0x7>; + interrupt-map = <0x0 0x0 0x0 0x1 &gic 0x0 0xc2 0x1 + 0x0 0x0 0x0 0x2 &gic 0x0 0xc3 0x1 + 0x0 0x0 0x0 0x3 &gic 0x0 0xc4 0x1 + 0x0 0x0 0x0 0x4 &gic 0x0 0xc5 0x1>; + clocks = <&pcie0clk 0>; + }; + +Board specific DT Entry: + &pcie0 { + status = "ok"; + };
This patch adds the bindings for X-Gene PCIe driver. The driver resides under 'drivers/pci/host/pci-xgene.c' file. Signed-off-by: Tanmay Inamdar <tinamdar@apm.com> --- .../devicetree/bindings/pci/xgene-pcie.txt | 45 ++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/xgene-pcie.txt