Adds decoder dt-bindings for compatible "mediatek,mtk-vcodec-lat-soc".
Signed-off-by: Yunfei Dong yunfei.dong@mediatek.com Acked-by: Rob Herring robh@kernel.org --- .../media/mediatek,vcodec-subdev-decoder.yaml | 51 +++++++++++++------ 1 file changed, 35 insertions(+), 16 deletions(-)
diff --git a/Documentation/devicetree/bindings/media/mediatek,vcodec-subdev-decoder.yaml b/Documentation/devicetree/bindings/media/mediatek,vcodec-subdev-decoder.yaml index 6415c9f29130..6854e7f2ce9f 100644 --- a/Documentation/devicetree/bindings/media/mediatek,vcodec-subdev-decoder.yaml +++ b/Documentation/devicetree/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. @@ -45,6 +45,13 @@ 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: @@ -88,7 +95,9 @@ patternProperties:
properties: compatible: - const: mediatek,mtk-vcodec-lat + enum: + - mediatek,mtk-vcodec-lat + - mediatek,mtk-vcodec-lat-soc
reg: maxItems: 1 @@ -126,7 +135,6 @@ patternProperties: required: - compatible - reg - - interrupts - iommus - clocks - clock-names @@ -197,6 +205,17 @@ required: - dma-ranges - ranges
+if: + properties: + compatible: + contains: + enum: + - mediatek,mtk-vcodec-lat + +then: + required: + - interrupts + additionalProperties: false
examples: