dt-bindings: timer: renesas,rz-mtu3: Use #pwm-cells = <3>

With the goal to unify all PWM bindings to use #pwm-cells = <3> update
the renesas,rz-mtu3 binding accordingly. Keep <2> documented as a
deprecated value at least until the in-tree device trees are fixed
accordingly.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20250527205823.377785-2-u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>

diff --git a/Documentation/devicetree/bindings/timer/renesas,rz-mtu3.yaml b/Documentation/devicetree/bindings/timer/renesas,rz-mtu3.yaml
index 3931054..3ad10c5 100644 (file)
--- a/Documentation/devicetree/bindings/timer/renesas,rz-mtu3.yaml
+++ b/Documentation/devicetree/bindings/timer/renesas,rz-mtu3.yaml
@@ -221,7 +221,10 @@ properties:
     maxItems: 1
 
   "#pwm-cells":
-    const: 2
+    oneOf:
+      - const: 2
+        deprecated: true
+      - const: 3
 
 required:
   - compatible
@@ -299,5 +302,5 @@ examples:
       clocks = <&cpg CPG_MOD R9A07G044_MTU_X_MCK_MTU3>;
       power-domains = <&cpg>;
       resets = <&cpg R9A07G044_MTU_X_PRESET_MTU3>;
-      #pwm-cells = <2>;
+      #pwm-cells = <3>;
     };