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Commit a3542d0c authored by Govind Singh's avatar Govind Singh Committed by Kalle Valo
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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: default avatarGovind Singh <govinds@codeaurora.org>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Reviewed-by: default avatarBrian Norris <briannorris@chromium.org>
Tested-by: default avatarBrian Norris <briannorris@chromium.org>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 5fac78aa

Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt

+5 −0
Original line number Diff line number Diff line
@@ -71,6 +71,10 @@ Optional properties: 
	Value type: <phandle>

	Definition: reference to the reserved-memory for the msa region

		    used by the wifi firmware running in Q6.

- iommus:

	Usage: optional

	Value type: <prop-encoded-array>

	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>;

};