diff options
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/Kconfig | 26 | ||||
| -rw-r--r-- | drivers/rtc/Makefile | 2 | ||||
| -rw-r--r-- | drivers/rtc/isl1208.c | 20 |
3 files changed, 47 insertions, 1 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 54365092ec..bcc01b135e 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -13,6 +13,24 @@ config DM_RTC drivers to perform the actual functions. See rtc.h for a description of the API. +config SPL_DM_RTC + bool "Enable Driver Model for RTC drivers in SPL" + depends on SPL_DM + help + Enable drver model for real-time-clock drivers. The RTC uclass + then provides the rtc_get()/rtc_set() interface, delegating to + drivers to perform the actual functions. See rtc.h for a + description of the API. + +config TPL_DM_RTC + bool "Enable Driver Model for RTC drivers in TPL" + depends on TPL_DM + help + Enable drver model for real-time-clock drivers. The RTC uclass + then provides the rtc_get()/rtc_set() interface, delegating to + drivers to perform the actual functions. See rtc.h for a + description of the API. + config RTC_PCF2127 bool "Enable PCF2127 driver" depends on DM_RTC @@ -68,4 +86,12 @@ config RTC_S35392A help Enable s35392a driver which provides rtc get and set function. +config RTC_MC146818 + bool "Enable MC146818 driver" + help + This is a widely used real-time clock chip originally by Motorola + and now available from NXP. It includes a battery-backed real-time + clock with a wide array of features and 50 bytes of general-purpose, + battery-backed RAM. The driver supports access to the clock and RAM. + endmenu diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 513e3ffc07..1724602f1c 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -4,7 +4,7 @@ # Wolfgang Denk, DENX Software Engineering, wd@denx.de. #ccflags-y += -DDEBUG -obj-$(CONFIG_DM_RTC) += rtc-uclass.o +obj-$(CONFIG_$(SPL_TPL_)DM_RTC) += rtc-uclass.o obj-$(CONFIG_RTC_AT91SAM9_RTT) += at91sam9_rtt.o obj-y += date.o diff --git a/drivers/rtc/isl1208.c b/drivers/rtc/isl1208.c index 22ac0d2b08..59a60b75b3 100644 --- a/drivers/rtc/isl1208.c +++ b/drivers/rtc/isl1208.c @@ -52,6 +52,24 @@ #define RTC_STAT_BIT_RTCF 0x01 /* REAL TIME CLOCK FAIL BIT */ /* + * Read an RTC register + */ + +static int isl1208_rtc_read8(struct udevice *dev, unsigned int reg) +{ + return dm_i2c_reg_read(dev, reg); +} + +/* + * Write an RTC register + */ + +static int isl1208_rtc_write8(struct udevice *dev, unsigned int reg, int val) +{ + return dm_i2c_reg_write(dev, reg, val); +} + +/* * Get the current time from the RTC */ @@ -161,6 +179,8 @@ static const struct rtc_ops isl1208_rtc_ops = { .get = isl1208_rtc_get, .set = isl1208_rtc_set, .reset = isl1208_rtc_reset, + .read8 = isl1208_rtc_read8, + .write8 = isl1208_rtc_write8, }; static const struct udevice_id isl1208_rtc_ids[] = { |