From a3542d0c73cec6a45bde512ea2b43666c05a8c54 Mon Sep 17 00:00:00 2001 From: Govind Singh Date: Thu, 20 Dec 2018 14:24:23 +0200 Subject: dt: bindings: ath10k: add bindings for wifi iommu node 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 Reviewed-by: Rob Herring Reviewed-by: Brian Norris Tested-by: Brian Norris Signed-off-by: Kalle Valo --- Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'Documentation/devicetree/bindings') diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt index 51fcf93d743b..09ae59470f64 100644 --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt @@ -71,6 +71,10 @@ Optional properties: Value type: Definition: reference to the reserved-memory for the msa region used by the wifi firmware running in Q6. +- iommus: + Usage: optional + Value type: + Definition: A list of phandle and IOMMU specifier pairs. Example (to supply the calibration data alone): @@ -168,4 +172,5 @@ wifi@18000000 { vdd-1.3-rfa-supply = <&vreg_l17a_1p3>; vdd-3.3-ch0-supply = <&vreg_l25a_3p3>; memory-region = <&wifi_msa_mem>; + iommus = <&apps_smmu 0x0040 0x1>; }; -- cgit v1.2.3-59-g8ed1b