diff options
Diffstat (limited to 'dts/Bindings/media/mediatek,vcodec-subdev-decoder.yaml')
| -rw-r--r-- | dts/Bindings/media/mediatek,vcodec-subdev-decoder.yaml | 52 |
1 files changed, 36 insertions, 16 deletions
diff --git a/dts/Bindings/media/mediatek,vcodec-subdev-decoder.yaml b/dts/Bindings/media/mediatek,vcodec-subdev-decoder.yaml index 440646e44c..d4e2051bee 100644 --- a/dts/Bindings/media/mediatek,vcodec-subdev-decoder.yaml +++ b/dts/Bindings/media/mediatek,vcodec-subdev-decoder.yaml @@ -17,20 +17,20 @@ 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. @@ -45,11 +45,19 @@ 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: enum: - mediatek,mt8192-vcodec-dec - mediatek,mt8186-vcodec-dec + - mediatek,mt8195-vcodec-dec reg: maxItems: 1 @@ -87,7 +95,9 @@ patternProperties: properties: compatible: - const: mediatek,mtk-vcodec-lat + enum: + - mediatek,mtk-vcodec-lat + - mediatek,mtk-vcodec-lat-soc reg: maxItems: 1 @@ -125,7 +135,6 @@ patternProperties: required: - compatible - reg - - interrupts - iommus - clocks - clock-names @@ -196,6 +205,17 @@ required: - dma-ranges - ranges +if: + properties: + compatible: + contains: + enum: + - mediatek,mtk-vcodec-lat + +then: + required: + - interrupts + additionalProperties: false examples: |