From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tiffany Lin Subject: [PATCH v3 1/8] dt-bindings: Add a binding for Mediatek Video Processor Date: Mon, 4 Jan 2016 18:11:49 +0800 Message-ID: <1451902316-55931-2-git-send-email-tiffany.lin@mediatek.com> References: <1451902316-55931-1-git-send-email-tiffany.lin@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1451902316-55931-1-git-send-email-tiffany.lin@mediatek.com> Sender: linux-media-owner@vger.kernel.org To: daniel.thompson@linaro.org, Rob Herring , Hans Verkuil , Mauro Carvalho Chehab , Matthias Brugger , Mark Rutland Cc: Daniel Kurtz , eddie.huang@mediatek.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org, linux-mediatek@lists.infradead.org, Andrew-CT Chen , Tiffany Lin List-Id: linux-mediatek@lists.infradead.org From: Andrew-CT Chen Add a DT binding documentation of Video Processor Unit for the MT8173 SoC from Mediatek. Signed-off-by: Andrew-CT Chen Signed-off-by: Tiffany Lin --- .../devicetree/bindings/media/mediatek-vpu.txt | 27 ++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/mediatek-vpu.txt diff --git a/Documentation/devicetree/bindings/media/mediatek-vpu.txt b/Documentation/devicetree/bindings/media/mediatek-vpu.txt new file mode 100644 index 0000000..3c3a424 --- /dev/null +++ b/Documentation/devicetree/bindings/media/mediatek-vpu.txt @@ -0,0 +1,27 @@ +* Mediatek Video Processor Unit + +Video Processor Unit is a HW video controller. It controls HW Codec including +H.264/VP8/VP9 Decode, H.264/VP8 Encode and Image Processor (scale/rotate/color convert). + +Required properties: + - compatible: "mediatek,mt8173-vpu" + - reg: Must contain an entry for each entry in reg-names. + - reg-names: Must include the following entries: + "tcm": tcm base + "cfg_reg": Main configuration registers base + - interrupts: interrupt number to the cpu. + - clocks : clock name from clock manager + - clock-names: must be main. It is the main clock of VPU + - iommus : phandle and IOMMU spcifier for the IOMMU that serves the VPU. + +Example: + vpu: vpu@10020000 { + compatible = "mediatek,mt8173-vpu"; + reg = <0 0x10020000 0 0x30000>, + <0 0x10050000 0 0x100>; + reg-names = "tcm", "cfg_reg"; + interrupts = ; + clocks = <&topckgen TOP_SCP_SEL>; + clock-names = "main"; + iommus = <&iommu M4U_PORT_VENC_RCPU>; + }; -- 1.7.9.5