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[v3,12/15] dt-bindings: arm: cpus: Document 'qcom,freq-domain' property

Message ID 20210112182052.481888-13-angelogioacchino.delregno@somainline.org
State New
Headers show
Series Enable CPRh/3/4, CPU Scaling on various QCOM SoCs | expand

Commit Message

AngeloGioacchino Del Regno Jan. 12, 2021, 6:20 p.m. UTC 
From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

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@linaro.org>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
---
 Documentation/devicetree/bindings/arm/cpus.yaml | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/arm/cpus.yaml b/Documentation/devicetree/bindings/arm/cpus.yaml
index 14cd727d3c4b..1d60975df23a 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: |