[PATCH v8 2/3] dt-bindings: arm: cpus: Document 'mediatek, freq-domain' property

[Hector Yuan]

From: "Hector.Yuan" <hector.yuan at mediatek.com>

Add devicetree documentation for 'mediatek,freq-domain' property specific
to Mediatek CPUs. This property is used to reference the CPUFREQ node
along with the domain id.

Signed-off-by: Hector.Yuan <hector.yuan at mediatek.com>
---
 Documentation/devicetree/bindings/arm/cpus.yaml |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/cpus.yaml b/Documentation/devicetree/bindings/arm/cpus.yaml
index 1222bf1..e995b26 100644
--- a/Documentation/devicetree/bindings/arm/cpus.yaml
+++ b/Documentation/devicetree/bindings/arm/cpus.yaml
@@ -255,6 +255,12 @@ properties:
 
       where voltage is in V, frequency is in MHz.
 
+  mediatek,freq-domain:
+    $ref: '/schemas/types.yaml#/definitions/phandle-array'
+    description:
+      CPUs supporting freq-domain must set their "mediatek,freq-domain" property
+      with phandle to a cpufreq_hw node followed by the domain id.
+
   power-domains:
     $ref: '/schemas/types.yaml#/definitions/phandle-array'
     description:
-- 
1.7.9.5