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@xxxxxxxxxxx> --- .../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