diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pci/hisilicon-pcie.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/pci/hisilicon-pcie.txt | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt index 59c2f47aa303..b7fa3b97986d 100644 --- a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt +++ b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt @@ -42,3 +42,40 @@ Hip05 Example (note that Hip06 is the same except compatible): 0x0 0 0 4 &mbigen_pcie 4 13>; status = "ok"; }; + +HiSilicon Hip06/Hip07 PCIe host bridge DT (almost-ECAM) description. +The properties and their meanings are identical to those described in +host-generic-pci.txt except as listed below. + +Properties of the host controller node that differ from +host-generic-pci.txt: + +- compatible : Must be "hisilicon,pcie-almost-ecam" + +- reg : Two entries: First the ECAM configuration space for any + other bus underneath the root bus. Second, the base + and size of the HiSilicon host bridge registers include + the RC's own config space. + +Example: + pcie0: pcie@a0090000 { + compatible = "hisilicon,pcie-almost-ecam"; + reg = <0 0xb0000000 0 0x2000000>, /* ECAM configuration space */ + <0 0xa0090000 0 0x10000>; /* host bridge registers */ + bus-range = <0 31>; + msi-map = <0x0000 &its_dsa 0x0000 0x2000>; + msi-map-mask = <0xffff>; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + dma-coherent; + ranges = <0x02000000 0 0xb2000000 0x0 0xb2000000 0 0x5ff0000 + 0x01000000 0 0 0 0xb7ff0000 0 0x10000>; + #interrupt-cells = <1>; + interrupt-map-mask = <0xf800 0 0 7>; + interrupt-map = <0x0 0 0 1 &mbigen_pcie0 650 4 + 0x0 0 0 2 &mbigen_pcie0 650 4 + 0x0 0 0 3 &mbigen_pcie0 650 4 + 0x0 0 0 4 &mbigen_pcie0 650 4>; + status = "ok"; + }; |