linux-kernel - [PATCH V1 1/3] scsi: ufs: dt-bindings: Document UFS Disable LPM property

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Message-ID: <20250417124645.24456-2-quic_nitirawa@quicinc.com>
Date: Thu, 17 Apr 2025 18:16:43 +0530
From: Nitin Rawat <quic_nitirawa@...cinc.com>
To: alim.akhtar@...sung.com, avri.altman@....com, bvanassche@....org,
        krzk+dt@...nel.org, robh@...nel.org, mani@...nel.org,
        conor+dt@...nel.org, James.Bottomley@...senPartnership.com,
        martin.petersen@...cle.com, beanhuo@...ron.com,
        peter.wang@...iatek.com
Cc: linux-arm-msm@...r.kernel.org, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Nitin Rawat <quic_nitirawa@...cinc.com>
Subject: [PATCH V1 1/3] scsi: ufs: dt-bindings: Document UFS Disable LPM property

Disable UFS low power mode on emulation FPGA platforms or other platforms
where it is either unsupported or power efficiency is not a critical
requirement.

Document the UFS Disable LPM property for such platforms.

Signed-off-by: Nitin Rawat <quic_nitirawa@...cinc.com>
---
 Documentation/devicetree/bindings/ufs/ufs-common.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/ufs/ufs-common.yaml b/Documentation/devicetree/bindings/ufs/ufs-common.yaml
index 31fe7f30ff5b..eab28beb0e76 100644
--- a/Documentation/devicetree/bindings/ufs/ufs-common.yaml
+++ b/Documentation/devicetree/bindings/ufs/ufs-common.yaml
@@ -89,6 +89,11 @@ properties:

   msi-parent: true

+  disable-lpm:
+    type: boolean
+    description:
+      Disable UFS LPM features.
+
 dependencies:
   freq-table-hz: [ clocks ]
   operating-points-v2: [ clocks, clock-names ]
--
2.48.1