On Mon, 07 Sep 2020, Michael Walle wrote: > The Kontron sl28cpld is a board management chip providing gpio, pwm, fan > monitoring and an interrupt controller. For now this controller is used on > the Kontron SMARC-sAL28 board. But because of its flexible nature, it > might also be used on other boards in the future. The individual blocks > (like gpio, pwm, etc) are kept intentionally small. The MFD core driver > then instantiates different (or multiple of the same) blocks. It also > provides the register layout so it might be updated in the future without a > device tree change; and support other boards with a different layout or > functionalities. > > See also [1] for more information. > > This is my first take of a MFD driver. I don't know whether the subsystem > maintainers should only be CCed on the patches which affect the subsystem > or on all patches for this series. I've chosen the latter so you can get a > more complete picture. > > [1] https://lore.kernel.org/linux-devicetree/0e3e8204ab992d75aa07fc36af7e4ab2@xxxxxxxx/ I'll take all of the non-ARM patches later this week. -- Lee Jones [李琼斯] Senior Technical Lead - Developer Services Linaro.org │ Open source software for Arm SoCs Follow Linaro: Facebook | Twitter | Blog