WCN3990 wifi module can optionally make use of the IOMMU.
Add binding documentation for phandle to the IOMMU and
the stream id of wifi iommu block.
Signed-off-by: Govind Singh <govinds@xxxxxxxxxxxxxx>
---
.../devicetree/bindings/net/wireless/qcom,ath10k.txt | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
index f831bb1c5952..2a2f44c461f7 100644
--- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
+++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
@@ -65,6 +65,11 @@ Optional properties:
- <supply-name>-supply: handle to the regulator device tree node
optional "supply-name" are "vdd-0.8-cx-mx",
"vdd-1.8-xo", "vdd-1.3-rfa" and "vdd-3.3-ch0".
+- iommus:
+ Usage: optional
+ Value type: <prop-encoded-array>
+ Definition: A list of phandle and IOMMU specifier pairs
+ for "qcom,wcn3990-wifi" compatible target.
Example (to supply the calibration data alone):
@@ -163,4 +168,5 @@ wifi@18000000 {
vdd-1.8-xo-supply = <&vreg_l7a_1p8>;
vdd-1.3-rfa-supply = <&vreg_l17a_1p3>;
vdd-3.3-ch0-supply = <&vreg_l25a_3p3>;
+ iommus = <&apps_smmu 0x0040 0x1>;
};
--
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