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Diffstat (limited to 'Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt index 71bf91f97386..65ee68efd574 100644 --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt @@ -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>; + }; }; |