linux-kernel - [PATCH v6 3/4] dt-bindings: qcom-qce: Add 'iommus' to optional properties

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Message-Id: <20220919195618.926227-4-bhupesh.sharma@linaro.org>
Date:   Tue, 20 Sep 2022 01:26:17 +0530
From:   Bhupesh Sharma <bhupesh.sharma@...aro.org>
To:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Cc:     agross@...nel.org, robh+dt@...nel.org,
        linux-arm-msm@...r.kernel.org, thara.gopinath@...il.com,
        robh@...nel.org, krzysztof.kozlowski@...aro.org,
        andersson@...nel.org, bhupesh.sharma@...aro.org,
        bhupesh.linux@...il.com, Jordan Crouse <jorcrous@...zon.com>
Subject: [PATCH v6 3/4] dt-bindings: qcom-qce: Add 'iommus' to optional properties

Add the missing optional property - 'iommus' to the
device-tree binding documentation for qcom-qce crypto IP.

This property describes the iommu streams for crypto pipes.

Cc: Bjorn Andersson <andersson@...nel.org>
Reviewed-by: Rob Herring <robh@...nel.org>
Tested-by: Jordan Crouse <jorcrous@...zon.com>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@...aro.org>
---
 Documentation/devicetree/bindings/crypto/qcom-qce.yaml | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/crypto/qcom-qce.yaml b/Documentation/devicetree/bindings/crypto/qcom-qce.yaml
index 94f96ebc5dac..4e00e7925fed 100644
--- a/Documentation/devicetree/bindings/crypto/qcom-qce.yaml
+++ b/Documentation/devicetree/bindings/crypto/qcom-qce.yaml
@@ -32,6 +32,12 @@ properties:
       - const: bus
       - const: core
 
+  iommus:
+    minItems: 1
+    maxItems: 8
+    description:
+      phandle to apps_smmu node with sid mask.
+
   interconnects:
     maxItems: 1
     description:
@@ -72,4 +78,8 @@ examples:
         clock-names = "iface", "bus", "core";
         dmas = <&cryptobam 2>, <&cryptobam 3>;
         dma-names = "rx", "tx";
+        iommus = <&apps_smmu 0x584 0x0011>,
+                 <&apps_smmu 0x586 0x0011>,
+                 <&apps_smmu 0x594 0x0011>,
+                 <&apps_smmu 0x596 0x0011>;
     };
-- 
2.37.1