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 <[email protected]>
---
 .../devicetree/bindings/net/wireless/qcom,ath10k.txt         | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt 
b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
index 22dea7d83ee8..07e58008c665 100644
--- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
+++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
@@ -59,6 +59,10 @@ 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.
 
 Example (to supply the calibration data alone):
 
@@ -157,4 +161,5 @@ 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>;
 };
-- 
2.17.0


_______________________________________________
ath10k mailing list
[email protected]
http://lists.infradead.org/mailman/listinfo/ath10k

Reply via email to