On 08/23/2018 08:00 AM, Eugeniy Paltsev wrote: > diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig > index 71c0ab46f216..0f9cc1582cab 100644 > --- a/drivers/gpio/Kconfig > +++ b/drivers/gpio/Kconfig > @@ -430,6 +430,15 @@ config GPIO_REG > A 32-bit single register GPIO fixed in/out implementation. This > can be used to represent any register as a set of GPIO signals. > > +config GPIO_SNPS_CREG > + bool "GPIO via CREG (Control REGisers) driver" REGisters) > + select OF_GPIO > + help > + This driver supports GPIOs via CREG on various Synopsys SoCs. > + This is is single-register MMIO gpio driver for complex cases This is a MMIO GPIO > + where only several fields in register belong to GPIO and in a register > + each GPIO owns field with different length and on/off values. maybe: fields with different lengths > + > config GPIO_SPEAR_SPICS > bool "ST SPEAr13xx SPI Chip Select as GPIO support" > depends on PLAT_SPEAR -- ~Randy