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#
# RTC drivers configuration
#
menu "Real Time Clock"
config DM_RTC
bool "Enable Driver Model for RTC drivers"
depends on DM
select LIB_DATE
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 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_ENABLE_32KHZ_OUTPUT
bool "Enable RTC 32Khz output"
help
Some real-time clocks support the output of 32kHz square waves (such as ds3231),
the config symbol choose Real Time Clock device 32Khz output feature.
config RTC_ARMADA38X
bool "Enable Armada 38x Marvell SoC RTC"
depends on DM_RTC && ARCH_MVEBU
help
This adds support for the in-chip RTC that can be found in the
Armada 38x Marvell's SoC devices.
config RTC_PCF2127
bool "Enable PCF2127 driver"
depends on DM_RTC
help
The PCF2127 is a CMOS Real Time Clock (RTC) and calendar with an integrated
Temperature Compensated Crystal (Xtal) Oscillator (TCXO) and a 32.768 kHz quartz
crystal optimized for very high accuracy and very low power consumption. The PCF2127
has a selectable I2C-bus or SPI-bus, a backup battery switch-over circuit, a
programmable watchdog function, a timestamp function, and many other features.
config RTC_DS1307
bool "Enable DS1307 driver"
depends on DM_RTC
help
Support for Dallas Semiconductor (now Maxim) DS1307 and DS1338/9 and
compatible Real Time Clock devices.
config RTC_DS3232
bool "Enable DS3232 driver"
depends on DM_RTC
depends on DM_I2C
help
Support for Dallas Semiconductor (now Maxim) DS3232 compatible
Real Time Clock devices.
config RTC_EMULATION
bool "Enable emulated RTC"
depends on DM_RTC
help
On a board without hardware clock this software real time clock can be
used. The initial time may be provided via the environment variable
'rtc_emul_epoch' as a decimal string indicating seconds since
1970-01-01. If the environment variable is missing, the build time is
used to initialize the RTC. The time can be adjusted manually via the
'date' command or the 'sntp' command can be used to update the RTC
with the time from a network time server. See CONFIG_CMD_SNTP and
CONFIG_BOOTP_NTPSERVER. The RTC time is advanced according to CPU
ticks.
config RTC_ISL1208
bool "Enable ISL1208 driver"
depends on DM_RTC
help
The Renesas (formerly Intersil) ISL1208 is a I2C Real Time Clock (RTC) and
calendar with automatic leap year correction, 2-byte battery backed SRAM,
automatic power switch-over, alarm function and 15 selectable frequency
outputs.
This driver supports reading and writing the RTC/calendar and detects
total power failures.
config RTC_PCF8563
tristate "Philips PCF8563"
help
If you say yes here you get support for the Philips PCF8563 RTC
and compatible chips.
config RTC_RV3028
bool "Enable RV3028 driver"
depends on DM_RTC
help
The MicroCrystal RV3028 is a I2C Real Time Clock (RTC)
config RTC_RV3029
bool "Enable RV3029 driver"
depends on DM_RTC
help
The MicroCrystal RV3029 is a I2C Real Time Clock (RTC) with 8-byte
battery-backed SRAM.
This driver supports reading and writing the RTC/calendar and the
battery-baced SRAM section.
config RTC_RV8803
bool "Enable RV8803 driver"
depends on DM_RTC
help
The Micro Crystal RV8803 is a high accuracy, ultra-low power I2C
Real Time Clock (RTC) with temperature compensation.
This driver supports reading and writing the RTC/calendar and
detects total power failures.
config RTC_RX8010SJ
bool "Enable RX8010SJ driver"
depends on DM_RTC
help
Support for Epson RX8010SJ Real Time Clock devices.
config RTC_RX8025
bool "Enable RX8025 driver"
help
Support for Epson RX8025 Real Time Clock devices.
config RTC_PL031
bool "Enable ARM AMBA PL031 RTC driver"
help
The ARM PrimeCell Real Time Clock (PL031) is an optional SoC
peripheral based on the Advanced Microcontroller Bus Architecture
(AMBA). It is emulated in QEMU virtual ARM machines.
config RTC_MV
bool "Enable Marvell RTC driver"
depends on DM_RTC
help
Enable Marvell RTC driver. This driver supports the rtc that is present
on some Marvell SoCs.
config RTC_S35392A
bool "Enable S35392A driver"
select BITREVERSE
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.
config RTC_M41T62
bool "Enable M41T62 driver"
help
Enable driver for ST's M41T62 compatible RTC devices (like RV-4162).
It is a serial (I2C) real-time clock (RTC) with alarm.
config RTC_STM32
bool "Enable STM32 RTC driver"
depends on DM_RTC
help
Enable STM32 RTC driver. This driver supports the rtc that is present
on some STM32 SoCs.
config RTC_ABX80X
bool "Enable Abracon ABx80x RTC driver"
depends on DM_RTC
help
If you say yes here you get support for Abracon AB080X and AB180X
families of ultra-low-power battery- and capacitor-backed real-time
clock chips.
config RTC_DAVINCI
bool "Enable TI OMAP RTC driver"
depends on ARCH_DAVINCI || ARCH_OMAP2PLUS
help
Say "yes" here to support the on chip real time clock
present on TI OMAP1, AM33xx, DA8xx/OMAP-L13x, AM43xx and DRA7xx.
config RTC_ZYNQMP
bool "Enable ZynqMP RTC driver"
depends on ARCH_ZYNQMP
help
Say "yes" here to support the on chip real time clock
present on Xilinx ZynqMP SoC.
endmenu
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