Re: [PATCH 1/2] GPIO: add single-register gpio via creg driver
From: Eugeniy Paltsev
Date: Tue Aug 28 2018 - 07:04:46 EST
Hi Randy,
thanks for comments, will be fixed in patch V2.
On Thu, 2018-08-23 at 08:08 -0700, Randy Dunlap wrote:
> 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
>
>
--
Eugeniy Paltsev