linux-kernel - [PATCH v4 09/20] dt-bindings: qcom-qce: Add 'iommus' to optional properties

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Message-Id: <20211013105541.68045-10-bhupesh.sharma@linaro.org>
Date:   Wed, 13 Oct 2021 16:25:30 +0530
From:   Bhupesh Sharma <bhupesh.sharma@...aro.org>
To:     linux-arm-msm@...r.kernel.org, linux-crypto@...r.kernel.org
Cc:     bhupesh.sharma@...aro.org, bhupesh.linux@...il.com,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        robh+dt@...nel.org, agross@...nel.org, herbert@...dor.apana.org.au,
        davem@...emloft.net, Thara Gopinath <thara.gopinath@...aro.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Subject: [PATCH v4 09/20] 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 phandle(s) to apps_smmu node with sid mask.

Cc: Thara Gopinath <thara.gopinath@...aro.org>
Cc: Bjorn Andersson <bjorn.andersson@...aro.org>
Cc: Rob Herring <robh+dt@...nel.org>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@...aro.org>
---
 .../devicetree/bindings/crypto/qcom-qce.yaml          | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/crypto/qcom-qce.yaml b/Documentation/devicetree/bindings/crypto/qcom-qce.yaml
index 954f762090f3..1134899b422f 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: |
@@ -70,4 +76,9 @@ 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>;
+
     };
-- 
2.31.1