linux-kernel - [PATCH 1/3] dt-bindings: mmc: marvell,xenon-sdhci: Allow "dma-coherent" and "iommus"

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Message-Id: <20250320-dt-marvell-mmc-v1-1-e51002ea0238@kernel.org>
Date: Thu, 20 Mar 2025 16:35:46 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Hu Ziji <huziji@...vell.com>, Ulf Hansson <ulf.hansson@...aro.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-mmc@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] dt-bindings: mmc: marvell,xenon-sdhci: Allow
 "dma-coherent" and "iommus"

The Marvell xenon-sdhci block can be cache-coherent and needs the
"dma-coherent" property. It can also be behind an IOMMU and needs the
"iommus" property.

Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
---
 Documentation/devicetree/bindings/mmc/marvell,xenon-sdhci.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/marvell,xenon-sdhci.yaml b/Documentation/devicetree/bindings/mmc/marvell,xenon-sdhci.yaml
index 3f48d8292d5b..259f465ea369 100644
--- a/Documentation/devicetree/bindings/mmc/marvell,xenon-sdhci.yaml
+++ b/Documentation/devicetree/bindings/mmc/marvell,xenon-sdhci.yaml
@@ -52,9 +52,14 @@ properties:
       - const: core
       - const: axi
 
+  dma-coherent: true
+
   interrupts:
     maxItems: 1
 
+  iommus:
+    maxItems: 1
+
   marvell,pad-type:
     $ref: /schemas/types.yaml#/definitions/string
     enum:

-- 
2.47.2