dt-bindings: serial: renesas,scif: Document r8a779f0 bindings

R-Car S4-8 (R8A779F0) SoC has the R-Car Gen4 compatible SCIF ports,
so document the SoC specific bindings.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20211209070817.1223888-2-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/Documentation/devicetree/bindings/serial/renesas,scif.yaml b/Documentation/devicetree/bindings/serial/renesas,scif.yaml
index 21fbfa8..df2172b 100644 (file)
--- a/Documentation/devicetree/bindings/serial/renesas,scif.yaml
+++ b/Documentation/devicetree/bindings/serial/renesas,scif.yaml
@@ -66,6 +66,12 @@ properties:
 
       - items:
           - enum:
+              - renesas,scif-r8a779f0     # R-Car S4-8
+          - const: renesas,rcar-gen4-scif # R-Car Gen4
+          - const: renesas,scif           # generic SCIF compatible UART
+
+      - items:
+          - enum:
               - renesas,scif-r9a07g044      # RZ/G2{L,LC}
 
   reg:
@@ -153,6 +159,7 @@ if:
         enum:
           - renesas,rcar-gen2-scif
           - renesas,rcar-gen3-scif
+          - renesas,rcar-gen4-scif
           - renesas,scif-r9a07g044
 then:
   required: