Add the compatible bindings for the three variants of Agilex
PCIe Hard IP.
Signed-off-by: Matthew Gerlach <matthew.gerlach@xxxxxxxxxxxxxxx>
Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
---
v6:
- Enhance compatible description.
v3:
- Remove accepted patches from patch set.
---
.../devicetree/bindings/pci/altr,pcie-root-port.yaml | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/pci/altr,pcie-root-port.yaml b/Documentation/devicetree/bindings/pci/altr,pcie-root-port.yaml
index 52533fccc134..1f93120d8eef 100644
--- a/Documentation/devicetree/bindings/pci/altr,pcie-root-port.yaml
+++ b/Documentation/devicetree/bindings/pci/altr,pcie-root-port.yaml
@@ -12,9 +12,19 @@ maintainers:
properties:
compatible:
+ description: Each family of socfpga has its own implementation
+ of the pci controller. altr,pcie-root-port-1.0 is used for the Cyclone5
+ family of chips. The Stratix10 family of chips is supported
+ by altr,pcie-root-port-2.0. The Agilex family of chips has
+ three, non-register compatible, variants of PCIe Hard IP referred to as
+ the f-tile, p-tile, and r-tile, depending on the specific chip instance.
+
enum:
- altr,pcie-root-port-1.0
- altr,pcie-root-port-2.0
+ - altr,pcie-root-port-3.0-f-tile
+ - altr,pcie-root-port-3.0-p-tile
+ - altr,pcie-root-port-3.0-r-tile
reg:
items:
--
2.34.1
