linux-kernel - [PATCH] dt-bindings: crypto: amd,ccp-seattle-v1a: Allow 'iommus' property

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Message-ID: <20251022230403.421699-1-robh@kernel.org>
Date: Wed, 22 Oct 2025 18:04:03 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Tom Lendacky <thomas.lendacky@....com>
Cc: linux-crypto@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] dt-bindings: crypto: amd,ccp-seattle-v1a: Allow 'iommus' property

The AMD Seattle CCP is behind an IOMMU and has 4 entries, so add
the 'iommus' property.

Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
---
 .../devicetree/bindings/crypto/amd,ccp-seattle-v1a.yaml        | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/crypto/amd,ccp-seattle-v1a.yaml b/Documentation/devicetree/bindings/crypto/amd,ccp-seattle-v1a.yaml
index 32bf3a1c3b42..5fb708471059 100644
--- a/Documentation/devicetree/bindings/crypto/amd,ccp-seattle-v1a.yaml
+++ b/Documentation/devicetree/bindings/crypto/amd,ccp-seattle-v1a.yaml
@@ -21,6 +21,9 @@ properties:
 
   dma-coherent: true
 
+  iommus:
+    maxItems: 4
+
 required:
   - compatible
   - reg
-- 
2.51.0