From 58c1b7a7edf1048155cda360362aa9cb46541a0f Mon Sep 17 00:00:00 2001 From: Govind Singh Date: Thu, 20 Dec 2018 14:24:23 +0200 Subject: [PATCH] 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 --- .../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 51fcf93d743b7..09ae59470f642 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>; }; -- 2.39.5