From mboxrd@z Thu Jan 1 00:00:00 1970 From: Govind Singh Subject: [PATCH v4 3/3] dt: bindings: add bindings for wifi iommu node Date: Mon, 5 Nov 2018 18:38:38 +0530 Message-ID: <1541423318-19312-4-git-send-email-govinds@codeaurora.org> References: <1541423318-19312-1-git-send-email-govinds@codeaurora.org> Return-path: In-Reply-To: <1541423318-19312-1-git-send-email-govinds-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> Sender: linux-wireless-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: briannorris-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, andy.gross-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, ath10k-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, sboyd-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, linux-kernel-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 Reviewed-by: Rob Herring Reviewed-by: Brian Norris Tested-by: Brian Norris --- 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 55d255c..78fb56a 100644 --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt @@ -66,6 +66,10 @@ 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): @@ -162,4 +166,5 @@ 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