From mboxrd@z Thu Jan 1 00:00:00 1970 From: Govind Singh Subject: [PATCH v2 3/4] dt: bindings: add bindings for wifi iommu node Date: Mon, 1 Oct 2018 16:56:35 +0530 Message-ID: <20181001112636.31715-4-govinds@codeaurora.org> References: <20181001112636.31715-1-govinds@codeaurora.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20181001112636.31715-1-govinds-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> Sender: linux-wireless-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, andy.gross-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, briannorris-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org Cc: ath10k-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Govind Singh List-Id: devicetree@vger.kernel.org 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 --- .../devicetree/bindings/net/wireless/qcom,ath10k.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt index f831bb1c5952..2a2f44c461f7 100644 --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt @@ -65,6 +65,11 @@ 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 + for "qcom,wcn3990-wifi" compatible target. Example (to supply the calibration data alone): @@ -163,4 +168,5 @@ 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>; }; -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project