[v3,4/8] dt-bindings: Add a binding for Mediatek Video Encoder
Commit Message
Add a DT binding documentation of Video Encoder for the
MT8173 SoC from Mediatek.
Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
---
.../devicetree/bindings/media/mediatek-vcodec.txt | 58 ++++++++++++++++++++
1 file changed, 58 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/mediatek-vcodec.txt
Comments
On 04/01/16 11:11, Tiffany Lin wrote:
> Add a DT binding documentation of Video Encoder for the
> MT8173 SoC from Mediatek.
>
> Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
> ---
> .../devicetree/bindings/media/mediatek-vcodec.txt | 58 ++++++++++++++++++++
> 1 file changed, 58 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..5cc35ae
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/mediatek-vcodec.txt
> @@ -0,0 +1,58 @@
> +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: must contain "vencpll", "venc_lt_sel", "vcodecpll_370p5_ck"
> +- iommus : list of iommus specifiers should be enabled for hw encode.
> + There are 2 cells needed to enable/disable iommu.
> + The first one is local arbiter index(larbid), and the other is port
> + index(portid) within local arbiter. Specifies the larbid and portid
> + as defined in dt-binding/memory/mt8173-larb-port.h.
iommus have only one cell, as in the example below. Please fix the
binding description accordingly.
Regards,
Matthias
> +- 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 = <GIC_SPI 198 IRQ_TYPE_LEVEL_LOW>,
> + <GIC_SPI 202 IRQ_TYPE_LEVEL_LOW>;
> + 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 = <&apmixedsys CLK_APMIXED_VENCPLL>,
> + <&topckgen CLK_TOP_VENC_LT_SEL>,
> + <&topckgen CLK_TOP_VCODECPLL_370P5>;
> + clock-names = "vencpll",
> + "venc_lt_sel",
> + "vcodecpll_370p5_ck";
> + };
>
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Hi Matthias,
On Mon, 2016-01-18 at 10:40 +0100, Matthias Brugger wrote:
>
> On 04/01/16 11:11, Tiffany Lin wrote:
> > Add a DT binding documentation of Video Encoder for the
> > MT8173 SoC from Mediatek.
> >
> > Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
> > ---
> > .../devicetree/bindings/media/mediatek-vcodec.txt | 58 ++++++++++++++++++++
> > 1 file changed, 58 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..5cc35ae
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/media/mediatek-vcodec.txt
> > @@ -0,0 +1,58 @@
> > +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: must contain "vencpll", "venc_lt_sel", "vcodecpll_370p5_ck"
> > +- iommus : list of iommus specifiers should be enabled for hw encode.
> > + There are 2 cells needed to enable/disable iommu.
> > + The first one is local arbiter index(larbid), and the other is port
> > + index(portid) within local arbiter. Specifies the larbid and portid
> > + as defined in dt-binding/memory/mt8173-larb-port.h.
>
> iommus have only one cell, as in the example below. Please fix the
> binding description accordingly.
>
I will fix this in next version.
best regards,
Tiffany
> Regards,
> Matthias
>
> > +- 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 = <GIC_SPI 198 IRQ_TYPE_LEVEL_LOW>,
> > + <GIC_SPI 202 IRQ_TYPE_LEVEL_LOW>;
> > + 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 = <&apmixedsys CLK_APMIXED_VENCPLL>,
> > + <&topckgen CLK_TOP_VENC_LT_SEL>,
> > + <&topckgen CLK_TOP_VCODECPLL_370P5>;
> > + clock-names = "vencpll",
> > + "venc_lt_sel",
> > + "vcodecpll_370p5_ck";
> > + };
> >
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new file mode 100644
@@ -0,0 +1,58 @@
+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: must contain "vencpll", "venc_lt_sel", "vcodecpll_370p5_ck"
+- iommus : list of iommus specifiers should be enabled for hw encode.
+ There are 2 cells needed to enable/disable iommu.
+ The first one is local arbiter index(larbid), and the other is port
+ index(portid) within local arbiter. Specifies the larbid and portid
+ as defined in dt-binding/memory/mt8173-larb-port.h.
+- 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 = <GIC_SPI 198 IRQ_TYPE_LEVEL_LOW>,
+ <GIC_SPI 202 IRQ_TYPE_LEVEL_LOW>;
+ 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 = <&apmixedsys CLK_APMIXED_VENCPLL>,
+ <&topckgen CLK_TOP_VENC_LT_SEL>,
+ <&topckgen CLK_TOP_VCODECPLL_370P5>;
+ clock-names = "vencpll",
+ "venc_lt_sel",
+ "vcodecpll_370p5_ck";
+ };