Adds decoder dt-bindings for mt8192. Signed-off-by: Yunfei Dong <yunfei.dong@xxxxxxxxxxxx> --- v6: add decoder block diagram for Laurent's comments. This patch depends on "Mediatek MT8192 clock support"[1]. The definition of decoder clocks are in mt8192-clk.h, and this patch already in clk tree[1]. [1]https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git/commit/?h=clk-next&id=f35f1a23e0e12e3173e9e9dedbc150d139027189 --- .../media/mediatek,vcodec-comp-decoder.yaml | 192 ++++++++++++++++++ 1 file changed, 192 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/mediatek,vcodec-comp-decoder.yaml diff --git a/Documentation/devicetree/bindings/media/mediatek,vcodec-comp-decoder.yaml b/Documentation/devicetree/bindings/media/mediatek,vcodec-comp-decoder.yaml new file mode 100644 index 000000000000..2184cf7ef9e3 --- /dev/null +++ b/Documentation/devicetree/bindings/media/mediatek,vcodec-comp-decoder.yaml @@ -0,0 +1,192 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iommu/mediatek,vcodec-comp-decoder.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek Video Decode Accelerator With Component + +maintainers: + - Yunfei Dong <yunfei.dong@xxxxxxxxxxxx> + +description: |+ + Mediatek Video Decode is the video decode hardware present in Mediatek + SoCs which supports high resolution decoding functionalities. Required + master and component node. + + About the Decoder Hardware Block Diagram, please check below: + + +---------------------------------+------------------------------------+ + | | | + | input -> lat HW -> lat buffer --|--> lat buffer -> core HW -> output | + | || | || | + +------------||-------------------+---------------------||-------------+ + || lat thread | core thread || <master> + -------------||-----------------------------------------||---------------- + || || <component> + \/ <----------------HW index-------------->\/ + +------------------------------------------------------+ + | enable/disable | + | clk power irq iommu port | + | (lat/lat soc/core0/core1) | + +------------------------------------------------------+ + + As above, <master> mean in master device, <component> mean in component device. + The information of each hardware will be stored in each component device. There + are two thread in master device: lat and core. Enable/disable the lat clk/power/irq + when lat hardware need to work through hardware index, core is the same. + + Normally the smi common may not the same for each hardware, can't combine all + hardware in one node, or leading to iommu fault when access dram data. + +properties: + compatible: + - enum: + - mediatek,mt8192-vcodec-dec # for lat hardware + - mediatek,mtk-vcodec-lat # for core hardware + - mediatek,mtk-vcodec-core + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 5 + + clock-names: + items: + - const: vdec-sel + - const: vdec-soc-vdec + - const: vdec-soc-lat + - const: vdec-vdec + - const: vdec-top + + power-domains: + maxItems: 1 + + iommus: + minItems: 1 + maxItems: 32 + description: | + List of the hardware port in respective IOMMU block for current Socs. + Refer to bindings/iommu/mediatek,iommu.yaml. + + dma-ranges: + maxItems: 1 + description: | + Describes the physical address space of IOMMU maps to memory. + + mediatek,scp: + $ref: /schemas/types.yaml#/definitions/phandle + maxItems: 1 + description: + Describes point to scp. + +required: + - compatible + - reg + - iommus + - dma-ranges + +allOf: + - if: #master node + properties: + compatible: + contains: + enum: + - mediatek,mt8192-vcodec-dec # for lat hardware + + then: + required: + - mediatek,scp + + - if: #component node + properties: + compatible: + contains: + enum: + - mediatek,mtk-vcodec-lat # for core hardware + - mediatek,mtk-vcodec-core + + then: + required: + - interrupts + - clocks + - clock-names + - assigned-clocks + - assigned-clock-parents + - power-domains + + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/memory/mt8192-larb-port.h> + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/clock/mt8192-clk.h> + #include <dt-bindings/power/mt8192-power.h> + + vcodec_dec: vcodec_dec@16000000 { + compatible = "mediatek,mt8192-vcodec-dec"; + reg = <0 0x16000000 0 0x1000>; /* VDEC_SYS */ + mediatek,scp = <&scp>; + iommus = <&iommu0 M4U_PORT_L4_VDEC_MC_EXT>; + dma-ranges = <0x1 0x0 0x0 0x40000000 0x0 0xfff00000>; + }; + + vcodec_lat: vcodec_lat@0x16010000 { + compatible = "mediatek,mtk-vcodec-lat"; + reg = <0 0x16010000 0 0x800>; /* VDEC_MISC */ + interrupts = <GIC_SPI 426 IRQ_TYPE_LEVEL_HIGH 0>; + iommus = <&iommu0 M4U_PORT_L5_VDEC_LAT0_VLD_EXT>, + <&iommu0 M4U_PORT_L5_VDEC_LAT0_VLD2_EXT>, + <&iommu0 M4U_PORT_L5_VDEC_LAT0_AVC_MV_EXT>, + <&iommu0 M4U_PORT_L5_VDEC_LAT0_PRED_RD_EXT>, + <&iommu0 M4U_PORT_L5_VDEC_LAT0_TILE_EXT>, + <&iommu0 M4U_PORT_L5_VDEC_LAT0_WDMA_EXT>, + <&iommu0 M4U_PORT_L5_VDEC_LAT0_RG_CTRL_DMA_EXT>, + <&iommu0 M4U_PORT_L5_VDEC_UFO_ENC_EXT>; + dma-ranges = <0x1 0x0 0x0 0x40000000 0x0 0xfff00000>; + clocks = <&topckgen CLK_TOP_VDEC_SEL>, + <&vdecsys_soc CLK_VDEC_SOC_VDEC>, + <&vdecsys_soc CLK_VDEC_SOC_LAT>, + <&vdecsys_soc CLK_VDEC_SOC_LARB1>, + <&topckgen CLK_TOP_MAINPLL_D4>; + clock-names = "vdec-sel", "vdec-soc-vdec", "vdec-soc-lat", + "vdec-vdec", "vdec-top"; + assigned-clocks = <&topckgen CLK_TOP_VDEC_SEL>; + assigned-clock-parents = <&topckgen CLK_TOP_MAINPLL_D4>; + power-domains = <&spm MT8192_POWER_DOMAIN_VDEC>; + }; + + vcodec_core: vcodec_core@0x16025000 { + compatible = "mediatek,mtk-vcodec-core"; + reg = <0 0x16025000 0 0x1000>; /* VDEC_CORE_MISC */ + interrupts = <GIC_SPI 425 IRQ_TYPE_LEVEL_HIGH 0>; + iommus = <&iommu0 M4U_PORT_L4_VDEC_MC_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_UFO_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_PP_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_PRED_RD_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_PRED_WR_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_PPWRAP_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_TILE_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_VLD_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_VLD2_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_AVC_MV_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_RG_CTRL_DMA_EXT>; + dma-ranges = <0x1 0x0 0x0 0x40000000 0x0 0xfff00000>; + clocks = <&topckgen CLK_TOP_VDEC_SEL>, + <&vdecsys CLK_VDEC_VDEC>, + <&vdecsys CLK_VDEC_LAT>, + <&vdecsys CLK_VDEC_LARB1>, + <&topckgen CLK_TOP_MAINPLL_D4>; + clock-names = "vdec-sel", "vdec-soc-vdec", "vdec-soc-lat", + "vdec-vdec", "vdec-top"; + assigned-clocks = <&topckgen CLK_TOP_VDEC_SEL>; + assigned-clock-parents = <&topckgen CLK_TOP_MAINPLL_D4>; + power-domains = <&spm MT8192_POWER_DOMAIN_VDEC2>; + }; -- 2.25.1
