On 02/27/2018 05:21 PM, Tim Harvey wrote: > The Gateworks System Controller (GSC) is an I2C slave controller > implemented with an MSP430 micro-controller whose firmware embeds the > following features: > - I/O expander (16 GPIO's) using PCA955x protocol > - Real Time Clock using DS1672 protocol > - User EEPROM using AT24 protocol > - HWMON using custom protocol > - Interrupt controller with tamper detect, user pushbotton > - Watchdog controller capable of full board power-cycle > - Power Control capable of full board power-cycle > > see http://trac.gateworks.com/wiki/gsc for more details > > Signed-off-by: Tim Harvey <tharvey@xxxxxxxxxxxxx> > --- > drivers/mfd/Kconfig | 10 ++ > drivers/mfd/Makefile | 1 + > drivers/mfd/gsc.c | 330 ++++++++++++++++++++++++++++++++++++++++++++++++ > include/linux/mfd/gsc.h | 79 ++++++++++++ > 4 files changed, 420 insertions(+) > create mode 100644 drivers/mfd/gsc.c > create mode 100644 include/linux/mfd/gsc.h > > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig > index 1d20a80..16dd486 100644 > --- a/drivers/mfd/Kconfig > +++ b/drivers/mfd/Kconfig > @@ -341,6 +341,16 @@ config MFD_EXYNOS_LPASS > Select this option to enable support for Samsung Exynos Low Power > Audio Subsystem. > > +config MFD_GSC > + tristate "Gateworks System Controller" > + depends on (I2C && OF) || COMPILE_TEST Do both I2C and OF have stubs so that a driver will build when they are both disabled? I.e., only COMPILE_TEST is enabled? > + select MFD_CORE > + select REGMAP_I2C > + select REGMAP_IRQ > + help > + Enable support for the Gateworks System Controller found > + on Gateworks Single Board Computers. > + > config MFD_MC13XXX > tristate > depends on (SPI_MASTER || I2C) thanks, -- ~Randy -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
