[PATCH 3/4] dt-bindings: arm: mediatek: Add missing power-domains property

[Allen-KH Cheng <allen-kh.cheng@mediatek.com>]

The "mediatek,mt8192-scp_adsp" binding requires a power domain to be
specified.

Fixes: 4a803990aeb1 ("dt-bindings: ARM: Mediatek: Add new document bindings of MT8192 clock")
Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
---
 .../arm/mediatek/mediatek,mt8192-clock.yaml     | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8192-clock.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8192-clock.yaml
index b57cc2e69efb..cbedef114103 100644
--- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8192-clock.yaml
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8192-clock.yaml
@@ -40,6 +40,9 @@ properties:
   reg:
     maxItems: 1
 
+  power-domains:
+    maxItems: 1
+
   '#clock-cells':
     const: 1
 
@@ -49,11 +52,25 @@ required:
 
 additionalProperties: false
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - mediatek,mt8192-scp_adsp
+    then:
+      required:
+        - power-domains
+
 examples:
   - |
+    #include <dt-bindings/power/mt8192-power.h>
+
     scp_adsp: clock-controller@10720000 {
         compatible = "mediatek,mt8192-scp_adsp";
         reg = <0x10720000 0x1000>;
+        power-domains = <&spm MT8192_POWER_DOMAIN_ADSP>;
         #clock-cells = <1>;
     };
 
-- 
2.18.0