[PATCH v16 0/7] soc: mediatek: SVS: introduce MTK SVS
From: Roger Lu
Date: Wed Apr 28 2021 - 03:34:33 EST
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 v15:
- Put (*set_freqs_pct) and (*get_vops) in struct svs_bank because they are part of svs bank's operation
- Add define "SVSB_INIT02_RM_DVTFIXED" and "SVSB_MON_VOLT_IGNORE" to make control clearly.
- Remove unnecessary parenthesis
Roger Lu (7):
[v16,1/7] dt-bindings: soc: mediatek: add mtk svs dt-bindings
[v16,2/7] arm64: dts: mt8183: add svs device information
[v16,3/7] soc: mediatek: SVS: introduce MTK SVS engine
[v16,4/7] soc: mediatek: SVS: add debug commands
[v16,5/7] dt-bindings: soc: mediatek: add mt8192 svs dt-bindings
[v16,6/7] arm64: dts: mt8192: add svs device information
[v16,7/7] soc: mediatek: SVS: add mt8192 SVS GPU driver
.../bindings/soc/mediatek/mtk-svs.yaml | 92 +
arch/arm64/boot/dts/mediatek/mt8183.dtsi | 18 +
arch/arm64/boot/dts/mediatek/mt8192.dtsi | 34 +
drivers/soc/mediatek/Kconfig | 10 +
drivers/soc/mediatek/Makefile | 1 +
drivers/soc/mediatek/mtk-svs.c | 2524 +++++++++++++++++
6 files changed, 2679 insertions(+)
create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mtk-svs.yaml
create mode 100644 drivers/soc/mediatek/mtk-svs.c