[PATCH 1/5] dt-bindings: pci: rcar-pci-ep: Document r8a774a1 and r8a774b1

[Lad Prabhakar]

Document the support for R-Car PCIe EP on R8A774A1 and R8A774B1 SoC
devices.

Also constify "renesas,rcar-gen3-pcie-ep" so that it can be used as
fallback compatible string for R-Car Gen3 and RZ/G2 devices as the
PCIe module is identical.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Reviewed-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/pci/rcar-pci-ep.yaml | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/rcar-pci-ep.yaml b/Documentation/devicetree/bindings/pci/rcar-pci-ep.yaml
index aa483c7f27fd..70c45f72ab20 100644
--- a/Documentation/devicetree/bindings/pci/rcar-pci-ep.yaml
+++ b/Documentation/devicetree/bindings/pci/rcar-pci-ep.yaml
@@ -14,8 +14,11 @@ maintainers:
 properties:
   compatible:
     items:
-      - const: renesas,r8a774c0-pcie-ep
-      - const: renesas,rcar-gen3-pcie-ep
+      - enum:
+          - renesas,r8a774a1-pcie-ep     # RZ/G2M
+          - renesas,r8a774b1-pcie-ep     # RZ/G2N
+          - renesas,r8a774c0-pcie-ep     # RZ/G2E
+      - const: renesas,rcar-gen3-pcie-ep # R-Car Gen3 and RZ/G2
 
   reg:
     maxItems: 5
-- 
2.17.1