[PATCH v2 1/3] dt-bindings: pwm: imx-pwm: Unify #pwm-cells for all compatibles

[Alexander Stein]

Use #pwm-cells for all i.MX variants. Only fsl,imx1-pwm does not support
inverted PWM output. Keep it the same for consistency.

Signed-off-by: Alexander Stein <alexander.stein at ew.tq-group.com>
---
 Documentation/devicetree/bindings/pwm/imx-pwm.yaml | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/pwm/imx-pwm.yaml b/Documentation/devicetree/bindings/pwm/imx-pwm.yaml
index c01dff3b7f843..a84a240a61dc1 100644
--- a/Documentation/devicetree/bindings/pwm/imx-pwm.yaml
+++ b/Documentation/devicetree/bindings/pwm/imx-pwm.yaml
@@ -14,12 +14,10 @@ allOf:
 
 properties:
   "#pwm-cells":
-    description: |
-      Should be 2 for i.MX1 and 3 for i.MX27 and newer SoCs. See pwm.yaml
-      in this directory for a description of the cells format.
-    enum:
-      - 2
-      - 3
+    description:
+      The only third cell flag supported by this binding is
+      PWM_POLARITY_INVERTED. fsl,imx1-pwm does not support this flags.
+    const: 3
 
   compatible:
     oneOf:
-- 
2.34.1