[v2] dt-bindings: can: renesas,rcar-canfd: Document R-Car V4M support

Commit Message

Geert Uytterhoeven Aug. 1, 2024, 1:41 p.m. UTC

From: Duy Nguyen <[e-mail]>

Document support for the CAN-FD Interface on the Renesas R-Car V4M
(R8A779H0) SoC, which supports up to four channels.

Signed-off-by: Duy Nguyen <[e-mail]>
Signed-off-by: Geert Uytterhoeven <[e-mail]>
---
v2:
  - Drop RFC state now it works.

Changes compared to the BSP:
  - Restrict number of channels to four.
---
 .../bindings/net/can/renesas,rcar-canfd.yaml  | 22 ++++++++++++++-----
 1 file changed, 16 insertions(+), 6 deletions(-)

Patch

diff --git a/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml b/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml
index d3f45d29fa0a550a..7c5ac5d2e880bbb8 100644
--- a/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml
+++ b/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml
@@ -32,6 +32,7 @@  properties:
           - enum:
               - renesas,r8a779a0-canfd     # R-Car V3U
               - renesas,r8a779g0-canfd     # R-Car V4H
+              - renesas,r8a779h0-canfd     # R-Car V4M
           - const: renesas,rcar-gen4-canfd # R-Car Gen4
 
       - items:
@@ -163,14 +164,23 @@  allOf:
           maxItems: 1
 
   - if:
-      not:
-        properties:
-          compatible:
-            contains:
-              const: renesas,rcar-gen4-canfd
+      properties:
+        compatible:
+          contains:
+            const: renesas,r8a779h0-canfd
     then:
       patternProperties:
-        "^channel[2-7]$": false
+        "^channel[5-7]$": false
+    else:
+      if:
+        not:
+          properties:
+            compatible:
+              contains:
+                const: renesas,rcar-gen4-canfd
+      then:
+        patternProperties:
+          "^channel[2-7]$": false
 
 unevaluatedProperties: false