linux-kernel - [PATCH v5 1/5] dt-bindings: pci: qcom: Add opp table

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Message-Id: <1694066433-8677-2-git-send-email-quic_krichai@quicinc.com>
Date:   Thu,  7 Sep 2023 11:30:29 +0530
From:   Krishna chaitanya chundru <quic_krichai@...cinc.com>
To:     agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        vireshk@...nel.org, nm@...com, sboyd@...nel.org, mani@...nel.org
Cc:     lpieralisi@...nel.org, kw@...ux.com, robh@...nel.org,
        bhelgaas@...gle.com, rafael@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, quic_vbadigan@...cinc.com,
        quic_nitegupt@...cinc.com, quic_skananth@...cinc.com,
        quic_ramkri@...cinc.com, quic_parass@...cinc.com,
        Krishna chaitanya chundru <quic_krichai@...cinc.com>
Subject: [PATCH v5 1/5] dt-bindings: pci: qcom: Add opp table

PCIe needs to choose the appropriate performance state of RPMH power
domain based upon the PCIe gen speed.

Adding the Operating Performance Points table allows to adjust power domain
performance state, depending on the PCIe gen speed.

Signed-off-by: Krishna chaitanya chundru <quic_krichai@...cinc.com>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 Documentation/devicetree/bindings/pci/qcom,pcie.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
index eadba38..ac5a167 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
@@ -122,6 +122,10 @@ properties:
     description: GPIO controlled connection to WAKE# signal
     maxItems: 1
 
+  operating-points-v2: true
+  opp-table:
+    type: object
+
 required:
   - compatible
   - reg
-- 
2.7.4