linux-kernel - [PATCH] dt-bindings: ufs: Add msi-parent for UFS MCQ

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Date:   Wed,  1 Nov 2023 18:48:13 +0800
From:   Ziqi Chen <quic_ziqichen@...cinc.com>
To:     quic_asutoshd@...cinc.com, quic_cang@...cinc.com,
        bvanassche@....org, mani@...nel.org, beanhuo@...ron.com,
        avri.altman@....com, junwoo80.lee@...sung.com,
        martin.petersen@...cle.com, quic_ziqichen@...cinc.com,
        quic_nguyenb@...cinc.com, quic_nitirawa@...cinc.com,
        quic_rampraka@...cinc.com
Cc:     linux-scsi@...r.kernel.org, Alim Akhtar <alim.akhtar@...sung.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Wolfram Sang <wsa@...nel.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Mark Brown <broonie@...nel.org>,
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] dt-bindings: ufs: Add msi-parent for UFS MCQ

The Message Signaled Interrupts (MSI) has been introduced
to UFS driver since the MCQ be enabled. Hence in UFS DT
node we need to give the msi-parent property that point
to the hardware entity which serves as the MSI controller
for this UFS controller.

Signed-off-by: Ziqi Chen <quic_ziqichen@...cinc.com>
---
 Documentation/devicetree/bindings/ufs/ufs-common.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/ufs/ufs-common.yaml b/Documentation/devicetree/bindings/ufs/ufs-common.yaml
index bbaee4f5..42309bb 100644
--- a/Documentation/devicetree/bindings/ufs/ufs-common.yaml
+++ b/Documentation/devicetree/bindings/ufs/ufs-common.yaml
@@ -73,6 +73,8 @@ properties:
     description:
       Specifies max. load that can be drawn from VCCQ2 supply.
 
+  msi-parent: true
+
 dependencies:
   freq-table-hz: [ clocks ]
 
-- 
2.7.4