| Message ID | 1465574056-8787-2-git-send-email-thomas.petazzoni@free-electrons.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Fri, Jun 10, 2016 at 05:54:14PM +0200, Thomas Petazzoni wrote: > This commit adds the documentation for the Device Tree binding used to > describe the Aardvark PCIe controller, found on Marvell Armada 3700 > ARM64 SoCs. > > Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> > --- > .../devicetree/bindings/pci/aardvark-pci.txt | 56 ++++++++++++++++++++++ > 1 file changed, 56 insertions(+) > create mode 100644 Documentation/devicetree/bindings/pci/aardvark-pci.txt > > diff --git a/Documentation/devicetree/bindings/pci/aardvark-pci.txt b/Documentation/devicetree/bindings/pci/aardvark-pci.txt > new file mode 100644 > index 0000000..683830d > --- /dev/null > +++ b/Documentation/devicetree/bindings/pci/aardvark-pci.txt > @@ -0,0 +1,56 @@ > +Aardvark PCIe controller > + > +This PCIe controller is used on the Marvell Armada 3700 ARM64 SoC. > + > +The Device Tree node describing an Aardvark PCIe controller must > +contain the following properties: > + > + - compatible: Should be "marvell,armada-3700-pcie" > + - reg: range of registers for the PCIe controller > + - interrupts: the interrupt line of the PCIe controller > + - #address-cells: set to <3> > + - #size-cells: set to <2> > + - device_type: set to "pci" > + - ranges: ranges for the PCI memory and I/O regions > + - #interrupt-cells: set to <1> > + - msi-controller: indicates that the PCIe controller can itself > + handled MSI interrupts s/handled/handle/
Hello, On Wed, 22 Jun 2016 11:16:56 -0500, Bjorn Helgaas wrote: > > + - compatible: Should be "marvell,armada-3700-pcie" > > + - reg: range of registers for the PCIe controller > > + - interrupts: the interrupt line of the PCIe controller > > + - #address-cells: set to <3> > > + - #size-cells: set to <2> > > + - device_type: set to "pci" > > + - ranges: ranges for the PCI memory and I/O regions > > + - #interrupt-cells: set to <1> > > + - msi-controller: indicates that the PCIe controller can itself > > + handled MSI interrupts > > s/handled/handle/ Thanks. Fixed for v3! Thomas
diff --git a/Documentation/devicetree/bindings/pci/aardvark-pci.txt b/Documentation/devicetree/bindings/pci/aardvark-pci.txt new file mode 100644 index 0000000..683830d --- /dev/null +++ b/Documentation/devicetree/bindings/pci/aardvark-pci.txt @@ -0,0 +1,56 @@ +Aardvark PCIe controller + +This PCIe controller is used on the Marvell Armada 3700 ARM64 SoC. + +The Device Tree node describing an Aardvark PCIe controller must +contain the following properties: + + - compatible: Should be "marvell,armada-3700-pcie" + - reg: range of registers for the PCIe controller + - interrupts: the interrupt line of the PCIe controller + - #address-cells: set to <3> + - #size-cells: set to <2> + - device_type: set to "pci" + - ranges: ranges for the PCI memory and I/O regions + - #interrupt-cells: set to <1> + - msi-controller: indicates that the PCIe controller can itself + handled MSI interrupts + - msi-parent: pointer to the MSI controller to be used + - interrupt-map-mask and interrupt-map: standard PCI properties to + define the mapping of the PCIe interface to interrupt numbers. + - bus-range: PCI bus numbers covered + +In addition, the Device Tree describing an Aardvark PCIe controller +must include a sub-node that describes the legacy interrupt controller +built into the PCIe controller. This sub-node must have the following +properties: + + - interrupt-controller + - #interrupt-cells: set to <1> + +Example: + + pcie0: pcie@d0070000 { + compatible = "marvell,armada-3700-pcie"; + device_type = "pci"; + status = "disabled"; + reg = <0 0xd0070000 0 0x20000>; + #address-cells = <3>; + #size-cells = <2>; + bus-range = <0x00 0xff>; + interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>; + #interrupt-cells = <1>; + msi-controller; + msi-parent = <&pcie0>; + ranges = <0x82000000 0 0xe8000000 0 0xe8000000 0 0x1000000 /* Port 0 MEM */ + 0x81000000 0 0xe9000000 0 0xe9000000 0 0x10000>; /* Port 0 IO*/ + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0 0 0 1 &pcie_intc 0>, + <0 0 0 2 &pcie_intc 1>, + <0 0 0 3 &pcie_intc 2>, + <0 0 0 4 &pcie_intc 3>; + pcie_intc: interrupt-controller { + interrupt-controller; + #interrupt-cells = <1>; + }; + };
This commit adds the documentation for the Device Tree binding used to describe the Aardvark PCIe controller, found on Marvell Armada 3700 ARM64 SoCs. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> --- .../devicetree/bindings/pci/aardvark-pci.txt | 56 ++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/aardvark-pci.txt