[PATCH 00/12] soc: mediatek: pm-domains: Add new driver for SCPSYS power domains controller

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Dear all,

This is a new driver with the aim to deprecate the mtk-scpsys driver.
The problem with that driver is that, in order to support more Mediatek
SoCs you need to add some logic to handle properly the power-up
sequence of newer Mediatek SoCs, doesn't handle parent-child power
domains and need to hardcode all the clocks in the driver itself. The
result is that the driver is getting bigger and bigger every time a
new SoC needs to be supported.

All this information can be getted from a properly defined binding, so
can be cleaner and smaller, hence, we implemented a new driver. For
now, only MT8173 and MT8183 is supported but should be fairly easy to
add support for new SoCs.

Best regards,
  Enric

Enric Balletbo i Serra (4):
  dt-bindings: power: Add bindings for the Mediatek SCPSYS power domains
    controller
  soc: mediatek: Add MediaTek SCPSYS power domains
  arm64: dts: mediatek: Add mt8173 power domain controller
  dt-bindings: power: Add MT8183 power domains

Matthias Brugger (8):
  soc: mediatek: pm-domains: Add bus protection protocol
  soc: mediatek: pm_domains: Make bus protection generic
  soc: mediatek: pm-domains: Add SMI block as bus protection block
  soc: mediatek: pm-domains: Add extra sram control
  soc: mediatek: pm-domains: Add subsystem clocks
  soc: mediatek: pm-domains: Allow bus protection to ignore clear ack
  soc: mediatek: pm-domains: Add support for mt8183
  arm64: dts: mediatek: Add mt8183 power domains controller

 .../power/mediatek,power-controller.yaml      | 173 ++++
 arch/arm64/boot/dts/mediatek/mt8173.dtsi      |  78 +-
 arch/arm64/boot/dts/mediatek/mt8183.dtsi      | 160 +++
 drivers/soc/mediatek/Kconfig                  |  13 +
 drivers/soc/mediatek/Makefile                 |   1 +
 drivers/soc/mediatek/mtk-infracfg.c           |   5 -
 drivers/soc/mediatek/mtk-pm-domains.c         | 952 ++++++++++++++++++
 include/dt-bindings/power/mt8183-power.h      |  26 +
 include/linux/soc/mediatek/infracfg.h         |  39 +
 9 files changed, 1433 insertions(+), 14 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
 create mode 100644 drivers/soc/mediatek/mtk-pm-domains.c
 create mode 100644 include/dt-bindings/power/mt8183-power.h

-- 
2.28.0




[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux