[PATCH v6 3/9] dt-bindings: arm: cpus: Document 'qcom,freq-domain' property

[AngeloGioacchino Del Regno]

From: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>

Add devicetree documentation for 'qcom,freq-domain' property specific
to Qualcomm CPUs. This property is used to reference the CPUFREQ node
along with Domain ID (0/1).

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxxx>
---
 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 f3c7249c73d6..8512fa0147fa 100644
--- a/Documentation/devicetree/bindings/arm/cpus.yaml
+++ b/Documentation/devicetree/bindings/arm/cpus.yaml
@@ -290,6 +290,12 @@ properties:
 
       * arm/msm/qcom,kpss-acc.txt
 
+  qcom,freq-domain:
+    $ref: '/schemas/types.yaml#/definitions/phandle-array'
+    description: |
+      CPUs supporting freq-domain must set their "qcom,freq-domain" property
+      with phandle to a cpufreq_hw node followed by the Domain ID(0/1).
+
   rockchip,pmu:
     $ref: '/schemas/types.yaml#/definitions/phandle'
     description: |
-- 
2.32.0