From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vikash Garodia Subject: [PATCH v9 5/5] dt-bindings: media: Document bindings for venus firmware device Date: Wed, 19 Sep 2018 05:13:12 +0530 Message-ID: <1537314192-26892-6-git-send-email-vgarodia@codeaurora.org> References: <1537314192-26892-1-git-send-email-vgarodia@codeaurora.org> Return-path: In-Reply-To: <1537314192-26892-1-git-send-email-vgarodia@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org To: stanimir.varbanov@linaro.org, hverkuil@xs4all.nl, mchehab@kernel.org, robh@kernel.org, mark.rutland@arm.com, andy.gross@linaro.org, arnd@arndb.de, bjorn.andersson@linaro.org Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, devicetree@vger.kernel.org, acourbot@chromium.org, vgarodia@codeaurora.org List-Id: devicetree@vger.kernel.org Add devicetree binding documentation for firmware loader for video hardware running on qualcomm chip. Signed-off-by: Vikash Garodia --- Documentation/devicetree/bindings/media/qcom,venus.txt | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/media/qcom,venus.txt b/Documentation/devicetree/bindings/media/qcom,venus.txt index 00d0d1b..7e04586 100644 --- a/Documentation/devicetree/bindings/media/qcom,venus.txt +++ b/Documentation/devicetree/bindings/media/qcom,venus.txt @@ -53,7 +53,7 @@ * Subnodes The Venus video-codec node must contain two subnodes representing -video-decoder and video-encoder. +video-decoder and video-encoder, and one optional firmware subnode. Every of video-encoder or video-decoder subnode should have: @@ -79,6 +79,13 @@ Every of video-encoder or video-decoder subnode should have: power domain which is responsible for collapsing and restoring power to the subcore. +The firmware subnode must have: + +- iommus: + Usage: required + Value type: + Definition: A list of phandle and IOMMU specifier pairs. + * An Example video-codec@1d00000 { compatible = "qcom,msm8916-venus"; @@ -105,4 +112,8 @@ Every of video-encoder or video-decoder subnode should have: clock-names = "core"; power-domains = <&mmcc VENUS_CORE1_GDSC>; }; + + video-firmware { + iommus = <&apps_iommu 0x10b2 0x0>; + }; }; -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project