[PATCH v3 1/3] dt-bindings: phy: qcom,qmp: Add PCIe qcom,refclk-always-on property

[Krishna chaitanya chundru]

Document qcom,refclk-always-on property which is needed in some platforms
to supply refclk even in PCIe low power states.

Signed-off-by: Krishna chaitanya chundru <quic_krichai at quicinc.com>
---
 .../devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml        | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
index 2c3d6553a7ba..c747c9f35795 100644
--- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
@@ -93,6 +93,13 @@ properties:
   "#phy-cells":
     const: 0
 
+  qcom,refclk-always-on:
+    type: boolean
+    description: In some platform where PCIe switch is connected, pcie switch due to some design
+      limitation fails to propage clkreq signal to the host and due to that host will not send
+      refclk, which  results in linkdown in L1.2 or L1.1 exit initiated by EP.
+      This property if set keeps refclk always on even in Low power states.
+
 required:
   - compatible
   - reg

-- 
2.42.0