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| author | Tiffany Lin <tiffany.lin@mediatek.com> | 2016-09-02 15:19:53 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-10-21 15:39:04 +0300 |
| commit | f3ad804c9dda66fb0087c9e210a23af69377ecb4 (patch) | |
| tree | 1495bd912917b53880065dde22536cf11204b3d5 /Documentation/devicetree/bindings/media | |
| parent | e2818a59f7ca42e896869903239575cd36f52119 (diff) | |
| download | linux-f3ad804c9dda66fb0087c9e210a23af69377ecb4.tar.xz | |
[media] dt-bindings: Add a binding for Mediatek Video Decoder
Add a DT binding documentation of Video Decoder for the
MT8173 SoC from Mediatek.
Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
Acked-by: Rob Herring <rob@kernel.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'Documentation/devicetree/bindings/media')
| -rw-r--r-- | Documentation/devicetree/bindings/media/mediatek-vcodec.txt | 57 |
1 files changed, 53 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/media/mediatek-vcodec.txt b/Documentation/devicetree/bindings/media/mediatek-vcodec.txt index 59a47a5b924b..46c15c54175d 100644 --- a/Documentation/devicetree/bindings/media/mediatek-vcodec.txt +++ b/Documentation/devicetree/bindings/media/mediatek-vcodec.txt @@ -1,25 +1,74 @@ Mediatek Video Codec Mediatek Video Codec is the video codec hw present in Mediatek SoCs which -supports high resolution encoding functionalities. +supports high resolution encoding and decoding functionalities. Required properties: - compatible : "mediatek,mt8173-vcodec-enc" for encoder + "mediatek,mt8173-vcodec-dec" for decoder. - 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". +- clock-names: encoder must contain "venc_sel_src", "venc_sel",, + "venc_lt_sel_src", "venc_lt_sel", decoder must contain "vcodecpll", + "univpll_d2", "clk_cci400_sel", "vdec_sel", "vdecpll", "vencpll", + "venc_lt_sel", "vdec_bus_clk_src". - 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 { + +vcodec_dec: vcodec@16000000 { + compatible = "mediatek,mt8173-vcodec-dec"; + reg = <0 0x16000000 0 0x100>, /*VDEC_SYS*/ + <0 0x16020000 0 0x1000>, /*VDEC_MISC*/ + <0 0x16021000 0 0x800>, /*VDEC_LD*/ + <0 0x16021800 0 0x800>, /*VDEC_TOP*/ + <0 0x16022000 0 0x1000>, /*VDEC_CM*/ + <0 0x16023000 0 0x1000>, /*VDEC_AD*/ + <0 0x16024000 0 0x1000>, /*VDEC_AV*/ + <0 0x16025000 0 0x1000>, /*VDEC_PP*/ + <0 0x16026800 0 0x800>, /*VP8_VD*/ + <0 0x16027000 0 0x800>, /*VP6_VD*/ + <0 0x16027800 0 0x800>, /*VP8_VL*/ + <0 0x16028400 0 0x400>; /*VP9_VD*/ + interrupts = <GIC_SPI 204 IRQ_TYPE_LEVEL_LOW>; + mediatek,larb = <&larb1>; + iommus = <&iommu M4U_PORT_HW_VDEC_MC_EXT>, + <&iommu M4U_PORT_HW_VDEC_PP_EXT>, + <&iommu M4U_PORT_HW_VDEC_AVC_MV_EXT>, + <&iommu M4U_PORT_HW_VDEC_PRED_RD_EXT>, + <&iommu M4U_PORT_HW_VDEC_PRED_WR_EXT>, + <&iommu M4U_PORT_HW_VDEC_UFO_EXT>, + <&iommu M4U_PORT_HW_VDEC_VLD_EXT>, + <&iommu M4U_PORT_HW_VDEC_VLD2_EXT>; + mediatek,vpu = <&vpu>; + power-domains = <&scpsys MT8173_POWER_DOMAIN_VDEC>; + clocks = <&apmixedsys CLK_APMIXED_VCODECPLL>, + <&topckgen CLK_TOP_UNIVPLL_D2>, + <&topckgen CLK_TOP_CCI400_SEL>, + <&topckgen CLK_TOP_VDEC_SEL>, + <&topckgen CLK_TOP_VCODECPLL>, + <&apmixedsys CLK_APMIXED_VENCPLL>, + <&topckgen CLK_TOP_VENC_LT_SEL>, + <&topckgen CLK_TOP_VCODECPLL_370P5>; + clock-names = "vcodecpll", + "univpll_d2", + "clk_cci400_sel", + "vdec_sel", + "vdecpll", + "vencpll", + "venc_lt_sel", + "vdec_bus_clk_src"; + }; + + vcodec_enc: vcodec@0x18002000 { compatible = "mediatek,mt8173-vcodec-enc"; reg = <0 0x18002000 0 0x1000>, /*VENC_SYS*/ <0 0x19002000 0 0x1000>; /*VENC_LT_SYS*/ |