[PATCH v20 0/7] soc: mediatek: SVS: introduce MTK SVS engine

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1. SVS driver uses OPP adjust event in [1] to update OPP table voltage part.
2. SVS driver gets thermal/GPU device by node [2][3] and CPU device by get_cpu_device().
After retrieving subsys device, SVS driver calls device_link_add() to make sure probe/suspend callback priority.
3. SVS dts refers to reset controller [4] to help reset SVS HW.

#mt8183 SVS related patches
[1] https://patchwork.kernel.org/patch/11193513/
[2] https://patchwork.kernel.org/project/linux-mediatek/patch/20201013102358.22588-2-michael.kao@xxxxxxxxxxxx/
[3] https://patchwork.kernel.org/project/linux-mediatek/patch/20200306041345.259332-3-drinkcat@xxxxxxxxxxxx/

#mt8192 SVS related patches
[1] https://patchwork.kernel.org/patch/11193513/
[2] https://patchwork.kernel.org/project/linux-mediatek/patch/20201223074944.2061-1-michael.kao@xxxxxxxxxxxx/
[3] https://lore.kernel.org/patchwork/patch/1360551/
[4] https://patchwork.kernel.org/project/linux-mediatek/patch/20200817030324.5690-5-crystal.guo@xxxxxxxxxxxx/

changes since v19:
- Rebase to kernel 5.14-rc1
- Remove "if (svsp->rst)" check in svs_suspend()/svs_resume() because reset_control_assert()/reset_control_deassert() already takes care of this error handling.

Roger Lu (7):
  [v20,1/7] dt-bindings: soc: mediatek: add mtk svs dt-bindings
  [v20,2/7] arm64: dts: mt8183: add svs device information
  [v20,3/7] soc: mediatek: SVS: introduce MTK SVS engine
  [v20,4/7] soc: mediatek: SVS: add debug commands
  [v20,5/7] dt-bindings: soc: mediatek: add mt8192 svs dt-bindings
  [v20,6/7] arm64: dts: mt8192: add svs device information
  [v20,7/7] soc: mediatek: SVS: add mt8192 SVS GPU driver

 .../bindings/soc/mediatek/mtk-svs.yaml        |   92 +
 arch/arm64/boot/dts/mediatek/mt8183.dtsi      |   15 +
 arch/arm64/boot/dts/mediatek/mt8192.dtsi      |   34 +
 drivers/soc/mediatek/Kconfig                  |   10 +
 drivers/soc/mediatek/Makefile                 |    1 +
 drivers/soc/mediatek/mtk-svs.c                | 2523 +++++++++++++++++
 6 files changed, 2675 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mtk-svs.yaml
 create mode 100644 drivers/soc/mediatek/mtk-svs.c





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