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media: dt-bindings: media: mediatek: vcodec: Adds decoder dt-bindings for lat soc

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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>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Yunfei Dong
2022-05-18 13:29:58 +01:00
committed by Mauro Carvalho Chehab
parent b0f407c196
commit 3fbf1eac01
1 changed files with 35 additions and 16 deletions
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51
Documentation/devicetree/bindings/media/mediatek,vcodec-subdev-decoder.yaml
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@@ -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:
@@ -87,7 +94,9 @@ patternProperties:
properties:
compatible:
const: mediatek,mtk-vcodec-lat
enum:
- mediatek,mtk-vcodec-lat
- mediatek,mtk-vcodec-lat-soc
reg:
maxItems: 1
@@ -125,7 +134,6 @@ patternProperties:
required:
- compatible
- reg
- interrupts
- iommus
- clocks
- clock-names
@@ -196,6 +204,17 @@ required:
- dma-ranges
- ranges
if:
properties:
compatible:
contains:
enum:
- mediatek,mtk-vcodec-lat
then:
required:
- interrupts
additionalProperties: false
examples: