linux-kernel - [PATCH 1/2] dt-bindings: phy: qcom,qmp: Add PCIe qcom,refclk-always-on property

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Message-ID: <20231106-refclk_always_on-v1-1-17a7fd8b532b@quicinc.com>
Date:   Mon, 6 Nov 2023 17:22:34 +0530
From:   Krishna chaitanya chundru <quic_krichai@...cinc.com>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
CC:     <linux-arm-msm@...r.kernel.org>, <linux-phy@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <quic_vbadigan@...cinc.com>, <quic_ramkri@...cinc.com>,
        <quic_nitegupt@...cinc.com>, <quic_skananth@...cinc.com>,
        <quic_vpernami@...cinc.com>, <quic_parass@...cinc.com>,
        "Krishna chaitanya chundru" <quic_krichai@...cinc.com>
Subject: [PATCH 1/2] dt-bindings: phy: qcom,qmp: Add PCIe
 qcom,refclk-always-on property

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@...cinc.com>
---
 .../devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml          | 5 +++++
 1 file changed, 5 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..9daf0556ed3b 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 +93,11 @@ properties:
   "#phy-cells":
     const: 0
 
+  qcom,refclk-always-on:
+    type: boolean
+    description: A boolean property indicating the refclk is
+      always on even in Low power states (optional)
+
 required:
   - compatible
   - reg

-- 
2.42.0