On 04/08/2022 20:49, Shenwei Wang wrote: > The SCU firmware on i.MX8 platforms provides a set of APIs to > control the GPIO PINs on the SCU domain. This patch implements the > standard GPIO driver interface to access those PINs on the > SCU domain over the SCU APIs. > > Signed-off-by: Shenwei Wang <shenwei.wang@xxxxxxx> > --- > drivers/firmware/imx/Kconfig | 6 ++ > drivers/firmware/imx/Makefile | 1 + > drivers/firmware/imx/imx-scu-gpio.c | 139 ++++++++++++++++++++++++++++ > 3 files changed, 146 insertions(+) > create mode 100644 drivers/firmware/imx/imx-scu-gpio.c > > diff --git a/drivers/firmware/imx/Kconfig b/drivers/firmware/imx/Kconfig > index c027d99f2a59..484c13f3149a 100644 > --- a/drivers/firmware/imx/Kconfig > +++ b/drivers/firmware/imx/Kconfig > @@ -28,3 +28,9 @@ config IMX_SCU_PD > depends on IMX_SCU > help > The System Controller Firmware (SCFW) based power domain driver. > + > +config IMX_SCU_GPIO > + def_bool y > + depends on IMX_SCU > + help > + Say Y here to enable the imx8 gpio over SCFW MISC API gpio driver go to drivers/gpio/ Best regards, Krzysztof
