[PATCH v3 1/2] dt-bindings: pwm: amlogic: Add new bindings for meson A1 PWM

[George Stark]

The chip has 3 dual-channel PWM modules PWM_AB, PWM_CD, PWM_EF.

Signed-off-by: George Stark <gnstark at salutedevices.com>
Signed-off-by: Dmitry Rokosov <ddrokosov at salutedevices.com>
---
 .../devicetree/bindings/pwm/pwm-amlogic.yaml    | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml b/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml
index 1d71d4f8f328..e021cf59421a 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml
+++ b/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml
@@ -37,6 +37,10 @@ properties:
       - enum:
           - amlogic,meson8-pwm-v2
           - amlogic,meson-s4-pwm
+      - items:
+          - enum:
+              - amlogic,meson-a1-pwm
+          - const: amlogic,meson-s4-pwm
       - items:
           - enum:
               - amlogic,meson8b-pwm-v2
@@ -56,6 +60,9 @@ properties:
     minItems: 1
     maxItems: 2
 
+  power-domains:
+    maxItems: 1
+
   "#pwm-cells":
     const: 3
 
@@ -136,6 +143,16 @@ allOf:
       required:
         - clocks
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - amlogic,meson-a1-pwm
+    then:
+      required:
+        - power-domains
+
 additionalProperties: false
 
 examples:
-- 
2.25.1