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| author | Rakesh Pillai <pillair@codeaurora.org> | 2020-05-04 12:03:33 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-05-05 10:35:44 +0300 |
| commit | 85325c24d5d2c8fcde35a634742d14d45bf7326e (patch) | |
| tree | dcc483eb90463b4f6c70f99e4c2c1aa4a44eb379 /Documentation | |
| parent | d431f8939c1419854dfe89dd345387f5397c6edd (diff) | |
| download | linux-85325c24d5d2c8fcde35a634742d14d45bf7326e.tar.gz linux-85325c24d5d2c8fcde35a634742d14d45bf7326e.tar.xz | |
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: Rakesh Pillai <pillair@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1586971906-20985-2-git-send-email-pillair@codeaurora.org
Diffstat (limited to 'Documentation')
| -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>; + }; }; |