dt-bindings: iommu: mediatek: Add binding for MT7623

This patch adds binding documentation for MT7623 SoC.

Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.txt b/Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
index df5db732138d..6922db598def 100644
--- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
@@ -41,6 +41,8 @@ Required properties:
 - compatible : must be one of the following string:
         "mediatek,mt2701-m4u" for mt2701 which uses generation one m4u HW.
         "mediatek,mt2712-m4u" for mt2712 which uses generation two m4u HW.
+        "mediatek,mt7623-m4u", "mediatek,mt2701-m4u" for mt7623 which uses
+                                                     generation one m4u HW.
         "mediatek,mt8173-m4u" for mt8173 which uses generation two m4u HW.
 - reg : m4u register base and size.
 - interrupts : the interrupt of m4u.
@@ -51,7 +53,7 @@ Required properties:
         according to the local arbiter index, like larb0, larb1, larb2...
 - iommu-cells : must be 1. This is the mtk_m4u_id according to the HW.
         Specifies the mtk_m4u_id as defined in
-        dt-binding/memory/mt2701-larb-port.h for mt2701,
+        dt-binding/memory/mt2701-larb-port.h for mt2701, mt7623
         dt-binding/memory/mt2712-larb-port.h for mt2712, and
         dt-binding/memory/mt8173-larb-port.h for mt8173.