From: Ziqi Chen Date: Tue, 28 Nov 2023 04:07:47 +0000 (+0800) Subject: scsi: ufs: dt-bindings: Add msi-parent for UFS MCQ X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=af85d689ae08860e4f9648f05e09f1de868091f4;p=linux.git scsi: ufs: dt-bindings: Add msi-parent for UFS MCQ The Message Signaled Interrupts (MSI) support has been introduced in UFSHCI version 4.0 (JESD223E). The MSI is the recommended interrupt approach for MCQ. If choose to use MSI, in UFS DT, we need to provide msi-parent property that point to the hardware entity which serves as the MSI controller for this UFS controller. Acked-by: Krzysztof Kozlowski Acked-by: Conor Dooley Signed-off-by: Ziqi Chen Link: https://lore.kernel.org/r/1701144469-1018-1-git-send-email-quic_ziqichen@quicinc.com Reviewed-by: Manivannan Sadhasivam Signed-off-by: Martin K. Petersen --- diff --git a/Documentation/devicetree/bindings/ufs/ufs-common.yaml b/Documentation/devicetree/bindings/ufs/ufs-common.yaml index 985ea8f64de80..31fe7f30ff5b8 100644 --- a/Documentation/devicetree/bindings/ufs/ufs-common.yaml +++ b/Documentation/devicetree/bindings/ufs/ufs-common.yaml @@ -87,6 +87,8 @@ properties: description: Specifies max. load that can be drawn from VCCQ2 supply. + msi-parent: true + dependencies: freq-table-hz: [ clocks ] operating-points-v2: [ clocks, clock-names ]