| Message ID | 20180921090907.25937-4-govinds@codeaurora.org (mailing list archive) |
|---|---|
| State | Not Applicable |
| Delegated to: | Kalle Valo |
| Headers | show |
| Series | Enable ath10k wcn3990 wifi driver support on sdm845 | expand |
On 2018-09-25 04:23, Rob Herring wrote: > On Fri, Sep 21, 2018 at 02:39:06PM +0530, Govind Singh wrote: >> WCN3990 wifi module can optionally make use of the IOMMU. > > Can the other compatibles use IOMMU too? > No, only wcn3990 can optionally use IOMMU. >> Add binding documentation for phandle to the IOMMU and >> the stream id of wifi iommu block. >> >> Signed-off-by: Govind Singh <govinds@codeaurora.org> >> --- >> .../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 22dea7d83ee8..07e58008c665 100644 >> --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt >> +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt >> @@ -59,6 +59,10 @@ Optional properties: >> - <supply-name>-supply: handle to the regulator device tree node >> optional "supply-name" are "vdd-0.8-cx-mx", >> "vdd-1.8-xo", "vdd-1.3-rfa" and "vdd-3.3-ch0". >> +- iommus: >> + Usage: optional >> + Value type: <prop-encoded-array> >> + Definition: A list of phandle and IOMMU specifier pairs. >> >> Example (to supply the calibration data alone): >> >> @@ -157,4 +161,5 @@ wifi@18000000 { >> vdd-1.8-xo-supply = <&vreg_l7a_1p8>; >> vdd-1.3-rfa-supply = <&vreg_l17a_1p3>; >> vdd-3.3-ch0-supply = <&vreg_l25a_3p3>; >> + iommus = <&apps_smmu 0x0040 0x1>; >> }; >> -- >> 2.17.0 >> BR, Govind
diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt index 22dea7d83ee8..07e58008c665 100644 --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt @@ -59,6 +59,10 @@ Optional properties: - <supply-name>-supply: handle to the regulator device tree node optional "supply-name" are "vdd-0.8-cx-mx", "vdd-1.8-xo", "vdd-1.3-rfa" and "vdd-3.3-ch0". +- iommus: + Usage: optional + Value type: <prop-encoded-array> + Definition: A list of phandle and IOMMU specifier pairs. Example (to supply the calibration data alone): @@ -157,4 +161,5 @@ wifi@18000000 { vdd-1.8-xo-supply = <&vreg_l7a_1p8>; vdd-1.3-rfa-supply = <&vreg_l17a_1p3>; vdd-3.3-ch0-supply = <&vreg_l25a_3p3>; + iommus = <&apps_smmu 0x0040 0x1>; };
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 <govinds@codeaurora.org> --- .../devicetree/bindings/net/wireless/qcom,ath10k.txt | 5 +++++ 1 file changed, 5 insertions(+)