linux-kernel - [PATCH v2 1/4] dt-bindings: iommu: dart: Add t8103-usb4-dart compatible

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Message-Id: <20230228202132.4919-2-sven@svenpeter.dev>
Date:   Tue, 28 Feb 2023 21:21:29 +0100
From:   Sven Peter <sven@...npeter.dev>
To:     Hector Martin <marcan@...can.st>, Sven Peter <sven@...npeter.dev>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Alyssa Rosenzweig <alyssa@...enzweig.io>,
        Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        linux-arm-kernel@...ts.infradead.org, asahi@...ts.linux.dev,
        iommu@...ts.linux.dev, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/4] dt-bindings: iommu: dart: Add t8103-usb4-dart compatible

This DART variant is found in the t8103 (M1) SoCs and used for the
USB4/Thunderbolt PCIe ports. Unlike the regular t8103 DART these support
up to 64 SIDs and require a slightly different MMIO layout. This variant
is only found on the M1 SoCs.

Acked-by: Hector Martin <marcan@...can.st>
Signed-off-by: Sven Peter <sven@...npeter.dev>
---
 Documentation/devicetree/bindings/iommu/apple,dart.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/iommu/apple,dart.yaml b/Documentation/devicetree/bindings/iommu/apple,dart.yaml
index 903edf85d72e..7adb1de455a5 100644
--- a/Documentation/devicetree/bindings/iommu/apple,dart.yaml
+++ b/Documentation/devicetree/bindings/iommu/apple,dart.yaml
@@ -24,6 +24,7 @@ properties:
   compatible:
     enum:
       - apple,t8103-dart
+      - apple,t8103-usb4-dart
       - apple,t8110-dart
       - apple,t6000-dart
 
-- 
2.25.1