From mboxrd@z Thu Jan 1 00:00:00 1970 From: Govind Singh Subject: [PATCH v3 3/3] dt: bindings: add bindings for wifi iommu node Date: Wed, 10 Oct 2018 17:22:56 +0530 Message-ID: <1539172376-19269-4-git-send-email-govinds@codeaurora.org> References: <1539172376-19269-1-git-send-email-govinds@codeaurora.org> Return-path: In-Reply-To: <1539172376-19269-1-git-send-email-govinds-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> Sender: linux-wireless-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, ath10k-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, andy.gross-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, linux-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: 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 --- Documentation/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 f831bb1..3118d99 100644 --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt @@ -65,6 +65,10 @@ 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): @@ -163,4 +167,5 @@ 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