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Subject[PATCH v4 06/20] dt-bindings: qcom-bam: Add 'iommus' to optional properties
Date
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
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