ST's Low Power Controller (LPC) controls two devices; watchdog and RTC.
Only one of the devices can be used at any one time. This is enforced
by the correlating MFD driver. This portion of the driver-set controls
the Real Time Clock.
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
drivers/rtc/Kconfig | 13 ++
drivers/rtc/Makefile | 1 +
drivers/rtc/rtc-st-lpc.c | 330 +++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 344 insertions(+)
create mode 100644 drivers/rtc/rtc-st-lpc.c
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index a168e96..aa4bd90 100644
@@ -1355,6 +1355,18 @@ config RTC_DRV_SIRFSOC
Say "yes" here to support the real time clock on SiRF SOC chips.
This driver can also be built as a module called rtc-sirfsoc.
+ tristate "STMicroelectronics LPC RTC"
+ depends on ARCH_STI
+ depends on OF
+ select MFD_ST_LPC
+ Say Y here to include STMicroelectronics Low Power Controller
+ (LPC) based RTC support.
+ To compile this driver as a module, choose M here: the
+ module will be called rtc-st-lpc.
tristate "MOXA ART RTC"
depends on ARCH_MOXART || COMPILE_TEST
@@ -1390,4 +1402,5 @@ config RTC_DRV_HID_SENSOR_TIME