| Message ID | 1438933382-2936-5-git-send-email-lftan@altera.com (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Bjorn Helgaas |
| Headers | show |
On Fri, Aug 7, 2015 at 3:43 PM, Ley Foon Tan <lftan@altera.com> wrote: > This patch adds the bindings for Altera PCIe host controller driver and > Altera PCIe MSI driver. > > Signed-off-by: Ley Foon Tan <lftan@altera.com> > --- > .../devicetree/bindings/pci/altera-pcie-msi.txt | 27 ++++++++++++ > .../devicetree/bindings/pci/altera-pcie.txt | 49 ++++++++++++++++++++++ > 2 files changed, 76 insertions(+) > create mode 100644 Documentation/devicetree/bindings/pci/altera-pcie-msi.txt > create mode 100644 Documentation/devicetree/bindings/pci/altera-pcie.txt > > diff --git a/Documentation/devicetree/bindings/pci/altera-pcie-msi.txt b/Documentation/devicetree/bindings/pci/altera-pcie-msi.txt > new file mode 100644 > index 0000000..7f330c9 > --- /dev/null > +++ b/Documentation/devicetree/bindings/pci/altera-pcie-msi.txt > @@ -0,0 +1,27 @@ > +* Altera PCIe MSI controller > + > +Required properties: > +- compatible: should contain "altr,msi-1.0" > +- reg: specifies the physical base address of the controller and > + the length of the memory mapped region. > +- reg-names: Must include the following entries: > + "csr": CSR registers > + "vector_slave": vectors region > +-interrupts: specifies the interrupt source of the parent interrupt > + controller. The format of the interrupt specifier depends on the > + parent interrupt controller. > +- num-vectors: Number of vectors, range 1 to 32. > +- msi-controller: indicates that this is MSI controller node > + > + > +Example > +msi0: msi@0xFF200000 { > + compatible = "altr,msi-1.0"; > + reg = <0xFF200000 0x00000010 > + 0xFF200010 0x00000080>; > + reg-names = "csr", "vector_slave"; > + interrupt-parent = <&hps_0_arm_gic_0>; > + interrupts = <0 42 4>; > + msi-controller = <1>; > + num-vectors = <32>; > +}; > diff --git a/Documentation/devicetree/bindings/pci/altera-pcie.txt b/Documentation/devicetree/bindings/pci/altera-pcie.txt > new file mode 100644 > index 0000000..729193d > --- /dev/null > +++ b/Documentation/devicetree/bindings/pci/altera-pcie.txt > @@ -0,0 +1,49 @@ > +* Altera PCIe controller > + > +Required properties: > +- compatible : should contain "altr,pcie-root-port-1.0" > +- reg: A list of physical base address and length for TXS and CRA. > +- reg-names: Must include the following entries: > + "Txs": TXS region > + "Cra": Control register access region > +-interrupts: specifies the interrupt source of the parent interrupt controller. > + The format of the interrupt specifier depends on the parent interrupt > + controller. > +- device_type: must be "pci" > +- #address-cells: set to <3> > +- #size-cells: set to <2> > +- #interrupt-cells: set to <1> > +- ranges: Describes the translation of addresses for root ports and standard > + PCI regions. > +- interrupt-map-mask and interrupt-map: standard PCI properties > + to define the mapping of the PCIe interface to interrupt > + numbers. > + > +Optional properties: > +- msi-parent: Link to the hardware entity that serves as the MSI controller for this PCIe > + controller. > +- bus-range: PCI bus numbers covered > + > +Example > + pcie_0: pcie@0xc00000000 { > + compatible = "altr,pcie-root-port-1.0"; > + reg = <0xc0000000 0x20000000>, > + <0xff220000 0x00004000>; > + reg-names = "Txs", "Cra"; > + interrupt-parent = <&hps_0_arm_gic_0>; > + interrupts = <0 40 4>; > + interrupt-controller; > + #interrupt-cells = <1>; > + bus-range = <0x0 0xFF>; > + device_type = "pci"; > + msi-parent = <&msi_to_gic_gen_0>; > + #address-cells = <3>; > + #size-cells = <2>; > + interrupt-map-mask = <0 0 0 7>; > + interrupt-map = <0 0 0 1 &pcie_0 1>, > + <0 0 0 2 &pcie_0 2>, > + <0 0 0 3 &pcie_0 3>, > + <0 0 0 4 &pcie_0 4>; > + ranges = <0x82000000 0x00000000 0x00000000 0xc0000000 0x00000000 0x10000000 > + 0x82000000 0x00000000 0x10000000 0xd0000000 0x00000000 0x10000000>; > + }; > -- Added DT maintainers to CC list. Please help to review if anything need to be changed. Thanks. Regards Ley Foon -- 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/altera-pcie-msi.txt b/Documentation/devicetree/bindings/pci/altera-pcie-msi.txt new file mode 100644 index 0000000..7f330c9 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/altera-pcie-msi.txt @@ -0,0 +1,27 @@ +* Altera PCIe MSI controller + +Required properties: +- compatible: should contain "altr,msi-1.0" +- reg: specifies the physical base address of the controller and + the length of the memory mapped region. +- reg-names: Must include the following entries: + "csr": CSR registers + "vector_slave": vectors region +-interrupts: specifies the interrupt source of the parent interrupt + controller. The format of the interrupt specifier depends on the + parent interrupt controller. +- num-vectors: Number of vectors, range 1 to 32. +- msi-controller: indicates that this is MSI controller node + + +Example +msi0: msi@0xFF200000 { + compatible = "altr,msi-1.0"; + reg = <0xFF200000 0x00000010 + 0xFF200010 0x00000080>; + reg-names = "csr", "vector_slave"; + interrupt-parent = <&hps_0_arm_gic_0>; + interrupts = <0 42 4>; + msi-controller = <1>; + num-vectors = <32>; +}; diff --git a/Documentation/devicetree/bindings/pci/altera-pcie.txt b/Documentation/devicetree/bindings/pci/altera-pcie.txt new file mode 100644 index 0000000..729193d --- /dev/null +++ b/Documentation/devicetree/bindings/pci/altera-pcie.txt @@ -0,0 +1,49 @@ +* Altera PCIe controller + +Required properties: +- compatible : should contain "altr,pcie-root-port-1.0" +- reg: A list of physical base address and length for TXS and CRA. +- reg-names: Must include the following entries: + "Txs": TXS region + "Cra": Control register access region +-interrupts: specifies the interrupt source of the parent interrupt controller. + The format of the interrupt specifier depends on the parent interrupt + controller. +- device_type: must be "pci" +- #address-cells: set to <3> +- #size-cells: set to <2> +- #interrupt-cells: set to <1> +- ranges: Describes the translation of addresses for root ports and standard + PCI regions. +- interrupt-map-mask and interrupt-map: standard PCI properties + to define the mapping of the PCIe interface to interrupt + numbers. + +Optional properties: +- msi-parent: Link to the hardware entity that serves as the MSI controller for this PCIe + controller. +- bus-range: PCI bus numbers covered + +Example + pcie_0: pcie@0xc00000000 { + compatible = "altr,pcie-root-port-1.0"; + reg = <0xc0000000 0x20000000>, + <0xff220000 0x00004000>; + reg-names = "Txs", "Cra"; + interrupt-parent = <&hps_0_arm_gic_0>; + interrupts = <0 40 4>; + interrupt-controller; + #interrupt-cells = <1>; + bus-range = <0x0 0xFF>; + device_type = "pci"; + msi-parent = <&msi_to_gic_gen_0>; + #address-cells = <3>; + #size-cells = <2>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0 0 0 1 &pcie_0 1>, + <0 0 0 2 &pcie_0 2>, + <0 0 0 3 &pcie_0 3>, + <0 0 0 4 &pcie_0 4>; + ranges = <0x82000000 0x00000000 0x00000000 0xc0000000 0x00000000 0x10000000 + 0x82000000 0x00000000 0x10000000 0xd0000000 0x00000000 0x10000000>; + };
This patch adds the bindings for Altera PCIe host controller driver and Altera PCIe MSI driver. Signed-off-by: Ley Foon Tan <lftan@altera.com> --- .../devicetree/bindings/pci/altera-pcie-msi.txt | 27 ++++++++++++ .../devicetree/bindings/pci/altera-pcie.txt | 49 ++++++++++++++++++++++ 2 files changed, 76 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/altera-pcie-msi.txt create mode 100644 Documentation/devicetree/bindings/pci/altera-pcie.txt