Commit 85325c24 authored by Rakesh Pillai's avatar Rakesh Pillai Committed by Kalle Valo
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dt-bindings: ath10k: Add wifi-firmware subnode for wifi node 



Add a wifi-firmware subnode for the wifi node.
This wifi-firmware subnode is needed for the
targets which do not support TrustZone.

Signed-off-by: default avatarRakesh Pillai <pillair@codeaurora.org>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1586971906-20985-2-git-send-email-pillair@codeaurora.org
parent d431f893

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

+14 −0
Original line number Diff line number Diff line
@@ -96,6 +96,17 @@ Optional properties: 
- qcom,coexist-gpio-pin : gpio pin number  information to support coex

			  which will be used by wifi firmware.



* Subnodes

The ath10k wifi node can contain one optional firmware subnode.

Firmware subnode is needed when the platform does not have TustZone.

The firmware subnode must have:



- iommus:

	Usage: required

	Value type: <prop-encoded-array>

	Definition: A list of phandle and IOMMU specifier pairs.





Example (to supply PCI based wifi block details):



In this example, the node is defined as child node of the PCI controller.
@@ -196,4 +207,7 @@ wifi@18000000 { 
		memory-region = <&wifi_msa_mem>;

		iommus = <&apps_smmu 0x0040 0x1>;

		qcom,msa-fixed-perm;

		wifi-firmware {

			iommus = <&apps_iommu 0xc22 0x1>;

		};

};