linux-kernel - [PATCH v3 1/2] dt-bindings: arm: cpus: Document 'qcom,freq-domain' property

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Message-Id: <20201020153944.18047-1-manivannan.sadhasivam@linaro.org>
Date:   Tue, 20 Oct 2020 21:09:43 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     rjw@...ysocki.net, viresh.kumar@...aro.org, robh+dt@...nel.org
Cc:     linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, bjorn.andersson@...aro.org,
        linux-arm-msm@...r.kernel.org,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH v3 1/2] dt-bindings: arm: cpus: Document 'qcom,freq-domain' property

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@...aro.org>
---
 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 1222bf1831fa..f40564bf004f 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: |
-- 
2.17.1