On Tue, Feb 27, 2018 at 6:00 PM, Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote: > 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? Randy, No, at this point it requires both I2C and OF. I may add platform data to support an older non-device-tree family of boards but it still would require I2C. I will remove the || COMPILE_TEST Thanks for catching that. Tim -- 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
