linux-kernel - [PATCH 5.12 359/363] dt-bindings: PCI: rcar-pci-host: Document missing R-Car H1 support

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Message-Id: <20210517140314.736667051@linuxfoundation.org>
Date:   Mon, 17 May 2021 16:03:45 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Rob Herring <robh@...nel.org>
Subject: [PATCH 5.12 359/363] dt-bindings: PCI: rcar-pci-host: Document missing R-Car H1 support

From: Geert Uytterhoeven <geert+renesas@...der.be>

commit 62b3b3660aff66433d71f142ab6ed2baaea25025 upstream.

scripts/checkpatch.pl -f drivers/pci/controller/pcie-rcar-host.c:

    WARNING: DT compatible string "renesas,pcie-r8a7779" appears un-documented -- check ./Documentation/devicetree/bindings/
    #853: FILE: drivers/pci/controller/pcie-rcar-host.c:853:
    +	{ .compatible = "renesas,pcie-r8a7779",

Re-add the compatible value for R-Car H1, which was lost during the
json-schema conversion.  Make the "resets" property optional on R-Car
H1, as it is not present yet on R-Car Gen1 SoCs.

Fixes: 0d69ce3c2c63d4db ("dt-bindings: PCI: rcar-pci-host: Convert bindings to json-schema")
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
Link: https://lore.kernel.org/r/fb0bb969cd0e5872ab5eac70e070242c0d8a5b81.1619700202.git.geert+renesas@glider.be
Signed-off-by: Rob Herring <robh@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 Documentation/devicetree/bindings/pci/rcar-pci-host.yaml |   12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

--- a/Documentation/devicetree/bindings/pci/rcar-pci-host.yaml
+++ b/Documentation/devicetree/bindings/pci/rcar-pci-host.yaml
@@ -17,6 +17,7 @@ allOf:
 properties:
   compatible:
     oneOf:
+      - const: renesas,pcie-r8a7779       # R-Car H1
       - items:
           - enum:
               - renesas,pcie-r8a7742      # RZ/G1H
@@ -74,7 +75,16 @@ required:
   - clocks
   - clock-names
   - power-domains
-  - resets
+
+if:
+  not:
+    properties:
+      compatible:
+        contains:
+          const: renesas,pcie-r8a7779
+then:
+  required:
+    - resets
 
 unevaluatedProperties: false