[cip-dev] [RFC PATCH 4.19.y-cip 43/50] dt-bindings: pci: rcar-pci-ep: Document r8a774a1 and r8a774b1

Lad Prabhakar
2020-10-12T14:21:08Z

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commit 2de82ec8667465236e15f8c6af7cecf8da63fc60 upstream.

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.

Link: https://lore.kernel.org/r/20200814173037.17822-2-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
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

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