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From:   Bhupesh Sharma <bhupesh.sharma@linaro.org>
To:     linux-arm-msm@vger.kernel.org, linux-crypto@vger.kernel.org
Cc:     bhupesh.sharma@linaro.org, bhupesh.linux@gmail.com,
        linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
        robh+dt@kernel.org, agross@kernel.org, herbert@gondor.apana.org.au,
        davem@davemloft.net, Thara Gopinath <thara.gopinath@linaro.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>
Subject: [PATCH v4 06/20] dt-bindings: qcom-bam: Add 'iommus' to optional properties
Date:   Wed, 13 Oct 2021 16:25:27 +0530
Message-Id: <20211013105541.68045-7-bhupesh.sharma@linaro.org>
In-Reply-To: <20211013105541.68045-1-bhupesh.sharma@linaro.org>
References: <20211013105541.68045-1-bhupesh.sharma@linaro.org>
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Add 'optional' property - 'iommus' to the
device-tree binding documentation for qcom-bam DMA IP.

This property describes the phandle(s) to apps_smmu node
with sid mask.

Cc: Thara Gopinath <thara.gopinath@linaro.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
---
 .../devicetree/bindings/dma/qcom_bam_dma.yaml          | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml b/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml
index 602e68df971f..7c046a281fcd 100644
--- a/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml
+++ b/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml
@@ -53,6 +53,12 @@ properties:
   interconnect-names:
     const: memory
 
+  iommus:
+    minItems: 1
+    maxItems: 8
+    description: |
+      phandle(s) to apps_smmu node with sid mask.
+
   qcom,ee:
     $ref: /schemas/types.yaml#/definitions/uint32
     description:
@@ -94,4 +100,8 @@ examples:
         clock-names = "bam_clk";
         #dma-cells = <1>;
         qcom,ee = <0>;
+        iommus = <&apps_smmu 0x584 0x0011>,
+                 <&apps_smmu 0x586 0x0011>,
+                 <&apps_smmu 0x594 0x0011>,
+                 <&apps_smmu 0x596 0x0011>;
     };
-- 
2.31.1