diff options
Diffstat (limited to 'dts/Bindings/media/mediatek,vcodec-subdev-decoder.yaml')
| -rw-r--r-- | dts/Bindings/media/mediatek,vcodec-subdev-decoder.yaml | 176 |
1 files changed, 87 insertions, 89 deletions
diff --git a/dts/Bindings/media/mediatek,vcodec-subdev-decoder.yaml b/dts/Bindings/media/mediatek,vcodec-subdev-decoder.yaml index c73bf2352a..a500a585c6 100644 --- a/dts/Bindings/media/mediatek,vcodec-subdev-decoder.yaml +++ b/dts/Bindings/media/mediatek,vcodec-subdev-decoder.yaml @@ -2,8 +2,8 @@ %YAML 1.2 --- -$id: "http://devicetree.org/schemas/media/mediatek,vcodec-subdev-decoder.yaml#" -$schema: "http://devicetree.org/meta-schemas/core.yaml#" +$id: http://devicetree.org/schemas/media/mediatek,vcodec-subdev-decoder.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# title: Mediatek Video Decode Accelerator With Multi Hardware @@ -17,26 +17,26 @@ description: | About the Decoder Hardware Block Diagram, please check below: - +---------------------------------+------------------------------------+ - | | | - | input -> lat HW -> lat buffer --|--> lat buffer -> core HW -> output | - | || | || | - +------------||-------------------+---------------------||-------------+ - lat workqueue | core workqueue <parent> - -------------||-----------------------------------------||------------------ - || || <child> - \/ <----------------HW index-------------->\/ - +------------------------------------------------------+ - | enable/disable | - | clk power irq iommu | - | (lat/lat soc/core0/core1) | - +------------------------------------------------------+ + +------------------------------------------------+-------------------------------------+ + | | | + | input -> lat soc HW -> lat HW -> lat buffer --|--> lat buffer -> core HW -> output | + | || || | || | + +------------||-------------||-------------------+---------------------||--------------+ + || lat || | core workqueue <parent> + -------------||-------------||-------------------|---------------------||--------------- + ||<------------||----------------HW index---------------->|| <child> + \/ \/ \/ + +-------------------------------------------------------------+ + | enable/disable | + | clk power irq iommu | + | (lat/lat soc/core0/core1) | + +-------------------------------------------------------------+ As above, there are parent and child devices, child mean each hardware. The child device controls the information of each hardware independent which include clk/power/irq. There are two workqueues in parent device: lat workqueue and core workqueue. They are used - to lat and core hardware deocder. Lat workqueue need to get input bitstream and lat buffer, + to lat and core hardware decoder. Lat workqueue need to get input bitstream and lat buffer, then enable lat to decode, writing the result to lat buffer, dislabe hardware when lat decode done. Core workqueue need to get lat buffer and output buffer, then enable core to decode, writing the result to output buffer, disable hardware when core decode done. These two @@ -45,12 +45,26 @@ description: | For 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. + Lat soc is a hardware which is related with some larb(local arbiter) ports. For mt8195 + platform, there are some ports like RDMA, UFO in lat soc larb, need to enable its power and + clock when lat start to work, don't have interrupt. + + mt8195: lat soc HW + lat HW + core HW + mt8192: lat HW + core HW + properties: compatible: - const: mediatek,mt8192-vcodec-dec + enum: + - mediatek,mt8192-vcodec-dec + - mediatek,mt8186-vcodec-dec + - mediatek,mt8188-vcodec-dec + - mediatek,mt8195-vcodec-dec reg: - maxItems: 1 + minItems: 1 + items: + - description: VDEC_SYS register space + - description: VDEC_RACING_CTRL register space iommus: minItems: 1 @@ -65,11 +79,6 @@ properties: The node of system control processor (SCP), using the remoteproc & rpmsg framework. - dma-ranges: - maxItems: 1 - description: | - Describes the physical address space of IOMMU maps to memory. - "#address-cells": const: 2 @@ -80,15 +89,19 @@ properties: # Required child node: patternProperties: - '^vcodec-lat@[0-9a-f]+$': + '^video-codec@[0-9a-f]+$': type: object properties: compatible: - const: mediatek,mtk-vcodec-lat + enum: + - mediatek,mtk-vcodec-core + - mediatek,mtk-vcodec-lat + - mediatek,mtk-vcodec-lat-soc reg: maxItems: 1 + description: VDEC_MISC register space interrupts: maxItems: 1 @@ -101,69 +114,13 @@ patternProperties: Refer to bindings/iommu/mediatek,iommu.yaml. clocks: + minItems: 4 maxItems: 5 clock-names: - items: - - const: sel - - const: soc-vdec - - const: soc-lat - - const: vdec - - const: top - - assigned-clocks: - maxItems: 1 - - assigned-clock-parents: - maxItems: 1 - - power-domains: - maxItems: 1 - - required: - - compatible - - reg - - interrupts - - iommus - - clocks - - clock-names - - assigned-clocks - - assigned-clock-parents - - power-domains - - additionalProperties: false - - '^vcodec-core@[0-9a-f]+$': - type: object - - properties: - compatible: - const: mediatek,mtk-vcodec-core - - reg: - maxItems: 1 - - interrupts: - 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. - - clocks: + minItems: 4 maxItems: 5 - clock-names: - items: - - const: sel - - const: soc-vdec - - const: soc-lat - - const: vdec - - const: top - assigned-clocks: maxItems: 1 @@ -176,7 +133,6 @@ patternProperties: required: - compatible - reg - - interrupts - iommus - clocks - clock-names @@ -191,9 +147,52 @@ required: - reg - iommus - mediatek,scp - - dma-ranges - ranges +if: + properties: + compatible: + contains: + enum: + - mediatek,mtk-vcodec-core + - mediatek,mtk-vcodec-lat + +then: + required: + - interrupts + +allOf: + - if: + properties: + compatible: + contains: + enum: + - mediatek,mt8192-vcodec-dec + then: + properties: + clock-names: + items: + - const: sel + - const: soc-vdec + - const: soc-lat + - const: vdec + - const: top + + - if: + properties: + compatible: + contains: + enum: + - mediatek,mt8195-vcodec-dec + then: + properties: + clock-names: + items: + - const: sel + - const: vdec + - const: lat + - const: top + additionalProperties: false examples: @@ -213,12 +212,11 @@ examples: compatible = "mediatek,mt8192-vcodec-dec"; mediatek,scp = <&scp>; iommus = <&iommu0 M4U_PORT_L4_VDEC_MC_EXT>; - dma-ranges = <0x1 0x0 0x0 0x40000000 0x0 0xfff00000>; #address-cells = <2>; #size-cells = <2>; ranges = <0 0 0 0x16000000 0 0x40000>; reg = <0 0x16000000 0 0x1000>; /* VDEC_SYS */ - vcodec-lat@10000 { + video-codec@10000 { compatible = "mediatek,mtk-vcodec-lat"; reg = <0 0x10000 0 0x800>; interrupts = <GIC_SPI 426 IRQ_TYPE_LEVEL_HIGH 0>; @@ -241,7 +239,7 @@ examples: power-domains = <&spm MT8192_POWER_DOMAIN_VDEC>; }; - vcodec-core@25000 { + video-codec@25000 { compatible = "mediatek,mtk-vcodec-core"; reg = <0 0x25000 0 0x1000>; interrupts = <GIC_SPI 425 IRQ_TYPE_LEVEL_HIGH 0>; |