From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tiffany Lin Subject: [PATCH v9 4/8] dt-bindings: Add a binding for Mediatek Video Encoder Date: Tue, 26 Apr 2016 16:58:33 +0800 Message-ID: <1461661117-4657-5-git-send-email-tiffany.lin@mediatek.com> References: <1461661117-4657-1-git-send-email-tiffany.lin@mediatek.com> <1461661117-4657-2-git-send-email-tiffany.lin@mediatek.com> <1461661117-4657-3-git-send-email-tiffany.lin@mediatek.com> <1461661117-4657-4-git-send-email-tiffany.lin@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1461661117-4657-4-git-send-email-tiffany.lin-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Hans Verkuil , daniel.thompson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, Rob Herring , Mauro Carvalho Chehab , Matthias Brugger , Daniel Kurtz , Pawel Osciak Cc: Eddie Huang , Yingjoe Chen , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, PoChun.Lin-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, Tiffany.lin-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, Tiffany Lin List-Id: devicetree@vger.kernel.org Add a DT binding documentation of Video Encoder for the MT8173 SoC from Mediatek. Signed-off-by: Tiffany Lin Acked-by: Rob Herring --- .../devicetree/bindings/media/mediatek-vcodec.txt | 59 ++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/mediatek-vcodec.txt diff --git a/Documentation/devicetree/bindings/media/mediatek-vcodec.txt b/Documentation/devicetree/bindings/media/mediatek-vcodec.txt new file mode 100644 index 0000000..59a47a5 --- /dev/null +++ b/Documentation/devicetree/bindings/media/mediatek-vcodec.txt @@ -0,0 +1,59 @@ +Mediatek Video Codec + +Mediatek Video Codec is the video codec hw present in Mediatek SoCs which +supports high resolution encoding functionalities. + +Required properties: +- compatible : "mediatek,mt8173-vcodec-enc" for encoder +- reg : Physical base address of the video codec registers and length of + memory mapped region. +- interrupts : interrupt number to the cpu. +- mediatek,larb : must contain the local arbiters in the current Socs. +- clocks : list of clock specifiers, corresponding to entries in + the clock-names property. +- clock-names: encoder must contain "venc_sel_src", "venc_sel", +- "venc_lt_sel_src", "venc_lt_sel". +- iommus : should point to the respective IOMMU block with master port as + argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt + for details. +- mediatek,vpu : the node of video processor unit + +Example: +vcodec_enc: vcodec@0x18002000 { + compatible = "mediatek,mt8173-vcodec-enc"; + reg = <0 0x18002000 0 0x1000>, /*VENC_SYS*/ + <0 0x19002000 0 0x1000>; /*VENC_LT_SYS*/ + interrupts = , + ; + mediatek,larb = <&larb3>, + <&larb5>; + iommus = <&iommu M4U_PORT_VENC_RCPU>, + <&iommu M4U_PORT_VENC_REC>, + <&iommu M4U_PORT_VENC_BSDMA>, + <&iommu M4U_PORT_VENC_SV_COMV>, + <&iommu M4U_PORT_VENC_RD_COMV>, + <&iommu M4U_PORT_VENC_CUR_LUMA>, + <&iommu M4U_PORT_VENC_CUR_CHROMA>, + <&iommu M4U_PORT_VENC_REF_LUMA>, + <&iommu M4U_PORT_VENC_REF_CHROMA>, + <&iommu M4U_PORT_VENC_NBM_RDMA>, + <&iommu M4U_PORT_VENC_NBM_WDMA>, + <&iommu M4U_PORT_VENC_RCPU_SET2>, + <&iommu M4U_PORT_VENC_REC_FRM_SET2>, + <&iommu M4U_PORT_VENC_BSDMA_SET2>, + <&iommu M4U_PORT_VENC_SV_COMA_SET2>, + <&iommu M4U_PORT_VENC_RD_COMA_SET2>, + <&iommu M4U_PORT_VENC_CUR_LUMA_SET2>, + <&iommu M4U_PORT_VENC_CUR_CHROMA_SET2>, + <&iommu M4U_PORT_VENC_REF_LUMA_SET2>, + <&iommu M4U_PORT_VENC_REC_CHROMA_SET2>; + mediatek,vpu = <&vpu>; + clocks = <&topckgen CLK_TOP_VENCPLL_D2>, + <&topckgen CLK_TOP_VENC_SEL>, + <&topckgen CLK_TOP_UNIVPLL1_D2>, + <&topckgen CLK_TOP_VENC_LT_SEL>; + clock-names = "venc_sel_src", + "venc_sel", + "venc_lt_sel_src", + "venc_lt_sel"; + }; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html