[PATCH] dt-bindings: serial: renesas,scif: Document R9A09G057 support

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From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

Document support for the Serial Communication Interface with FIFO (SCIF)
available in the Renesas RZ/V2H(P) (R9A09G057) SoC. The SCIF interface in
the Renesas RZ/V2H(P) is similar to that available in the RZ/G2L
(R9A07G044) SoC, with the only difference being that the RZ/V2H(P) SoC has
three additional interrupts: one for Tx end/Rx ready and the other two for
Rx and Tx buffer full, which are edge-triggered.

No driver changes are required as generic compatible string
"renesas,scif-r9a07g044" will be used as a fallback on RZ/V2H(P) SoC.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Reviewed-by: Fabrizio Castro <fabrizio.castro.jz@xxxxxxxxxxx>
---
 .../bindings/serial/renesas,scif.yaml         | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/Documentation/devicetree/bindings/serial/renesas,scif.yaml b/Documentation/devicetree/bindings/serial/renesas,scif.yaml
index 4610a5bd580c..b2c2305e352c 100644
--- a/Documentation/devicetree/bindings/serial/renesas,scif.yaml
+++ b/Documentation/devicetree/bindings/serial/renesas,scif.yaml
@@ -80,6 +80,7 @@ properties:
               - renesas,scif-r9a07g043      # RZ/G2UL and RZ/Five
               - renesas,scif-r9a07g054      # RZ/V2L
               - renesas,scif-r9a08g045      # RZ/G3S
+              - renesas,scif-r9a09g057      # RZ/V2H(P)
           - const: renesas,scif-r9a07g044   # RZ/G2{L,LC} fallback
 
   reg:
@@ -101,6 +102,16 @@ properties:
           - description: Break interrupt
           - description: Data Ready interrupt
           - description: Transmit End interrupt
+      - items:
+          - description: Error interrupt
+          - description: Receive buffer full interrupt
+          - description: Transmit buffer empty interrupt
+          - description: Break interrupt
+          - description: Data Ready interrupt
+          - description: Transmit End interrupt
+          - description: Transmit End/Data Ready interrupt
+          - description: Receive buffer full interrupt (EDGE trigger)
+          - description: Transmit buffer empty interrupt (EDGE trigger)
 
   interrupt-names:
     oneOf:
@@ -116,6 +127,16 @@ properties:
           - const: bri
           - const: dri
           - const: tei
+      - items:
+          - const: eri
+          - const: rxi
+          - const: txi
+          - const: bri
+          - const: dri
+          - const: tei
+          - const: teidri
+          - const: rxi-edge
+          - const: txi-edge
 
   clocks:
     minItems: 1
-- 
2.34.1





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