From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Osipenko Subject: [PATCH v1] media: dt: bindings: tegra-vde: Document new optional IOMMU property Date: Mon, 3 Jun 2019 00:37:08 +0300 Message-ID: <20190602213712.26857-4-digetx@gmail.com> References: <20190602213712.26857-1-digetx@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20190602213712.26857-1-digetx@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" To: Thierry Reding , Jonathan Hunter , Mauro Carvalho Chehab , Hans Verkuil , Rob Herring Cc: linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org List-Id: devicetree@vger.kernel.org All NVIDIA Tegra SoC generations provide IOMMU support for the video decoder engine. Document new optional device-tree property that connects VDE with the IOMMU provider. Signed-off-by: Dmitry Osipenko --- Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt b/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt index 7302e949e662..602169b8aa19 100644 --- a/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt +++ b/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt @@ -35,6 +35,7 @@ Optional properties: - resets : Must contain an entry for each entry in reset-names. - reset-names : Must include the following entries: - mc +- iommus: Must contain phandle to the IOMMU device node. Example: @@ -59,4 +60,5 @@ video-codec@6001a000 { clocks = <&tegra_car TEGRA20_CLK_VDE>; reset-names = "vde", "mc"; resets = <&tegra_car 61>, <&mc TEGRA20_MC_RESET_VDE>; + iommus = <&mc TEGRA_SWGROUP_VDE>; }; -- 2.21.0