linux-kernel - [PATCH v3 3/4] dt-bindings: serial: renesas,scif: Document R9A09G057 support

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Message-Id: <20240318172102.45549-4-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Mon, 18 Mar 2024 17:21:01 +0000
From: Prabhakar <prabhakar.csengg@...il.com>
To: Geert Uytterhoeven <geert+renesas@...der.be>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Magnus Damm <magnus.damm@...il.com>
Cc: linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-serial@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	Prabhakar <prabhakar.csengg@...il.com>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH v3 3/4] dt-bindings: serial: renesas,scif: Document R9A09G057 support

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

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.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
v2->v3
- Added SoC specific compat string
---
 .../bindings/serial/renesas,scif.yaml         | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/Documentation/devicetree/bindings/serial/renesas,scif.yaml b/Documentation/devicetree/bindings/serial/renesas,scif.yaml
index 53f18e9810fd..e4ce13e20cd7 100644
--- a/Documentation/devicetree/bindings/serial/renesas,scif.yaml
+++ b/Documentation/devicetree/bindings/serial/renesas,scif.yaml
@@ -79,6 +79,8 @@ properties:
               - renesas,scif-r9a08g045      # RZ/G3S
           - const: renesas,scif-r9a07g044   # RZ/G2{L,LC} fallback
 
+      - const: renesas,scif-r9a09g057       # RZ/V2H(P)
+
   reg:
     maxItems: 1
 
@@ -204,6 +206,37 @@ allOf:
             - const: dri
             - const: tei
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,scif-r9a09g057
+    then:
+      properties:
+        interrupts:
+          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:
+          items:
+            - const: eri
+            - const: rxi
+            - const: txi
+            - const: bri
+            - const: dri
+            - const: tei
+            - const: tei-dri
+            - const: rxi-edge
+            - const: txi-edge
+
 unevaluatedProperties: false
 
 examples:
-- 
2.34.1