Update the iProc PCIe binding document for better modeling of the legacy interrupt (INTx) support Signed-off-by: Ray Jui <ray.jui@xxxxxxxxxxxx> --- .../devicetree/bindings/pci/brcm,iproc-pcie.txt | 31 +++++++++++++++++----- 1 file changed, 24 insertions(+), 7 deletions(-) diff --git a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt index b8e48b4..7ea24dc 100644 --- a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt +++ b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt @@ -13,9 +13,6 @@ controller, used in Stingray PAXB-based root complex is used for external endpoint devices. PAXC-based root complex is connected to emulated endpoint devices internal to the ASIC - reg: base address and length of the PCIe controller I/O register space -- #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 - linux,pci-domain: PCI domain ID. Should be unique for each host controller - bus-range: PCI bus numbers covered - #address-cells: set to <3> @@ -41,6 +38,16 @@ Required: - brcm,pcie-ob-axi-offset: The offset from the AXI address to the internal address used by the iProc PCIe core (not the PCIe address) +Legacy interrupt (INTx) support (optional): + +Note INTx is for PAXB only. + +- interrupt-controller: claims itself as an interrupt controller for INTx +- #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 +- interrupts: interrupt line wired to the generic GIC for INTx support + MSI support (optional): For older platforms without MSI integrated in the GIC, iProc PCIe core provides @@ -77,9 +84,14 @@ Example: compatible = "brcm,iproc-pcie"; reg = <0x18012000 0x1000>; + interrupt-controller; #interrupt-cells = <1>; - interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &gic GIC_SPI 100 IRQ_TYPE_NONE>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0 0 0 1 &pcie0 1>, + <0 0 0 2 &pcie0 2>, + <0 0 0 3 &pcie0 3>, + <0 0 0 4 &pcie0 4>; + interrupts = <GIC_SPI 100 IRQ_TYPE_NONE>; linux,pci-domain = <0>; @@ -115,9 +127,14 @@ Example: compatible = "brcm,iproc-pcie"; reg = <0x18013000 0x1000>; + interrupt-controller; #interrupt-cells = <1>; - interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &gic GIC_SPI 106 IRQ_TYPE_NONE>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0 0 0 1 &pcie1 1>, + <0 0 0 2 &pcie1 2>, + <0 0 0 3 &pcie1 3>, + <0 0 0 4 &pcie1 4>; + interrupts = <GIC_SPI 106 IRQ_TYPE_NONE>; linux,pci-domain = <1>; -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
