From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1g4mAf-0003Ho-Pj for ath10k@lists.infradead.org; Tue, 25 Sep 2018 12:10:31 +0000 MIME-Version: 1.0 Date: Tue, 25 Sep 2018 17:39:59 +0530 From: Govind Singh Subject: Re: [PATCH 3/4] dt: bindings: add bindings for wifi iommu node In-Reply-To: <5baa1b0b.1c69fb81.79d38.4171@mx.google.com> References: <20180921090907.25937-1-govinds@codeaurora.org> <20180921090907.25937-4-govinds@codeaurora.org> <5baa1b0b.1c69fb81.79d38.4171@mx.google.com> Message-ID: <74c8e0f9eb793720e3dff4e3cff382b5@codeaurora.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "ath10k" Errors-To: ath10k-bounces+kvalo=adurom.com@lists.infradead.org To: Rob Herring Cc: andy.gross@linaro.org, devicetree@vger.kernel.org, briannorris@chromium.org, linux-wireless@vger.kernel.org, ath10k@lists.infradead.org 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 >> --- >> .../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: 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: >> + 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 _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k