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[v10,3/6] dt-bindings: pci: qcom: Add OPP table

Message ID 20240409-opp_support-v10-3-1956e6be343f@quicinc.com (mailing list archive)
State Superseded
Delegated to: Manivannan Sadhasivam
Headers show
Series PCI: qcom: Add support for OPP | expand

Commit Message

Krishna chaitanya chundru April 9, 2024, 10:13 a.m. UTC 
PCIe needs to choose the appropriate performance state of RPMh power
domain based on the PCIe gen speed.

Adding the Operating Performance Points table allows to adjust power
domain performance state and ICC peak bw, depending on the PCIe data
rate and link width.

Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com>
---
 Documentation/devicetree/bindings/pci/qcom,pcie-sm8450.yaml | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-sm8450.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-sm8450.yaml
index 1496d6993ab4..d8c0afaa4b19 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie-sm8450.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie-sm8450.yaml
@@ -69,6 +69,10 @@  properties:
       - const: msi6
       - const: msi7
 
+  operating-points-v2: true
+  opp-table:
+    type: object
+
   resets:
     maxItems: 1