[J-u-boot.git] / drivers / rtc / Kconfig

#
# 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 VPL_DM_RTC
	bool "Enable Driver Model for RTC drivers in VPL"
	depends on VPL_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 DS1339 and
	  compatible Real Time Clock devices.

config RTC_DS1337
	bool "Enable DS1337 driver"
	help
	  Support for Dallas Semiconductor (now Maxim) DS1337/8/9 compatible
	  Real Time Clock devices.

config RTC_DS1337_NOOSC
	bool "Enable support for no oscillator output in DS1337 driver"
	depends on RTC_DS1337

config RTC_DS1338
	bool "Enable DS1338 driver"
	help
	  Support for Dallas Semiconductor (now Maxim) DS1338 and compatible
	  Real Time Clock devices.

config RTC_DS1374
	bool "Enable DS1374 driver"
	depends on !DM_RTC
	help
	  Support for Dallas Semiconductor (now Maxim) DS1374 and compatible
	  Real Time Clock devices.

config RTC_DS3231
	bool "Enable DS3231 driver"
	help
	  Support for Dallas Semiconductor (now Maxim) DS3231 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_GOLDFISH
	bool "Enable Goldfish driver"
	depends on DM_RTC
	help
	  The Goldfish RTC is a virtual device which may be supplied by QEMU.
	  It is enabled by default on QEMU's RISC-V virt machine.

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_MAX313XX
	bool "Analog Devices MAX313XX RTC driver"
	depends on DM_RTC
	depends on DM_I2C
	help
	  If you say yes here you will get support for the
	  Analog Devices MAX313XX series RTC family.

	  Chip features not currently supported:
	  - Timestamp registers as SRAM
	  - Temperature sensor
	  - CLKOUT generation

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_PT7C4338
	bool "Enable Pericom Technology PT7C4338 RTC driver"

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"
	depends on DM_RTC
	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_MC13XXX
	bool "Enable MC13XXX RTC driver"
	depends on !DM_RTC

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 MCFRTC
	bool "Use common CF RTC driver"
	depends on M68K

config SYS_MCFRTC_BASE
	hex "Base address for RTC in immap.h"
	depends on MCFRTC

config RTC_MXS
	bool "Enable i.MXS RTC driver"
	depends on ARCH_MX23 || ARCH_MX28

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_SANDBOX
	bool "Enable sandbox RTC driver"
	depends on SANDBOX && DM_RTC
	default y
	help
	  Enable the sandbox RTC driver. This driver connects to the RTC
	  emulator and is used to test the RTC uclasses and associated code,
	  as well as the I2C subsystem.

config SPL_RTC_SANDBOX
	bool "Enable sandbox RTC driver (SPL)"
	depends on SANDBOX && SPL_DM_RTC
	default y
	help
	  Enable the sandbox RTC driver. This driver connects to the RTC
	  emulator and is used to test the RTC uclasses and associated code,
	  as well as the I2C subsystem.

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.

config RTC_HT1380
	bool "Enable Holtek HT1380/HT1381 RTC driver"
	depends on DM_RTC && DM_GPIO
	help
	  Say "yes" here to get support for Holtek HT1380/HT1381
	  Serial Timekeeper IC which provides seconds, minutes, hours,
	  day of the week, date, month and year information. It is to be
	  connected via 3 GPIO pins which work as reset, clock, and data.

endmenu
Commit	Line	Data
0b11dbf7 MY	1	#
	2	# RTC drivers configuration
	3	#
	4
	5	menu "Real Time Clock"
	6
dbeda5b2 SG	7	config DM_RTC
	8	bool "Enable Driver Model for RTC drivers"
	9	depends on DM
05429b6c	10	select LIB_DATE
dbeda5b2 SG	11	help
	12	Enable drver model for real-time-clock drivers. The RTC uclass
	13	then provides the rtc_get()/rtc_set() interface, delegating to
	14	drivers to perform the actual functions. See rtc.h for a
	15	description of the API.
0b11dbf7	16
380d4f78 SG	17	config SPL_DM_RTC
	18	bool "Enable Driver Model for RTC drivers in SPL"
	19	depends on SPL_DM
	20	help
	21	Enable drver model for real-time-clock drivers. The RTC uclass
	22	then provides the rtc_get()/rtc_set() interface, delegating to
	23	drivers to perform the actual functions. See rtc.h for a
	24	description of the API.
	25
	26	config TPL_DM_RTC
	27	bool "Enable Driver Model for RTC drivers in TPL"
	28	depends on TPL_DM
	29	help
	30	Enable drver model for real-time-clock drivers. The RTC uclass
	31	then provides the rtc_get()/rtc_set() interface, delegating to
	32	drivers to perform the actual functions. See rtc.h for a
	33	description of the API.
	34
747093dd SG	35	config VPL_DM_RTC
	36	bool "Enable Driver Model for RTC drivers in VPL"
	37	depends on VPL_DM
	38	help
	39	Enable drver model for real-time-clock drivers. The RTC uclass
	40	then provides the rtc_get()/rtc_set() interface, delegating to
	41	drivers to perform the actual functions. See rtc.h for a
	42	description of the API.
	43
db07c447 CH	44	config RTC_ENABLE_32KHZ_OUTPUT
	45	bool "Enable RTC 32Khz output"
	46	help
	47	Some real-time clocks support the output of 32kHz square waves (such as ds3231),
	48	the config symbol choose Real Time Clock device 32Khz output feature.
	49
aefbc2c2 MB	50	config RTC_ARMADA38X
	51	bool "Enable Armada 38x Marvell SoC RTC"
	52	depends on DM_RTC && ARCH_MVEBU
	53	help
	54	This adds support for the in-chip RTC that can be found in the
	55	Armada 38x Marvell's SoC devices.
	56
8f3a8428 MY	57	config RTC_PCF2127
	58	bool "Enable PCF2127 driver"
	59	depends on DM_RTC
	60	help
45a0194b MY	61	The PCF2127 is a CMOS Real Time Clock (RTC) and calendar with an integrated
	62	Temperature Compensated Crystal (Xtal) Oscillator (TCXO) and a 32.768 kHz quartz
	63	crystal optimized for very high accuracy and very low power consumption. The PCF2127
	64	has a selectable I2C-bus or SPI-bus, a backup battery switch-over circuit, a
	65	programmable watchdog function, a timestamp function, and many other features.
8f3a8428	66
d425d605 CP	67	config RTC_DS1307
	68	bool "Enable DS1307 driver"
	69	depends on DM_RTC
	70	help
ea467ea1	71	Support for Dallas Semiconductor (now Maxim) DS1307 and DS1339 and
d425d605 CP	72	compatible Real Time Clock devices.
d425d605 CP	73
ea467ea1 TR	74	config RTC_DS1337
	75	bool "Enable DS1337 driver"
	76	help
	77	Support for Dallas Semiconductor (now Maxim) DS1337/8/9 compatible
	78	Real Time Clock devices.
	79
	80	config RTC_DS1337_NOOSC
	81	bool "Enable support for no oscillator output in DS1337 driver"
	82	depends on RTC_DS1337
	83
	84	config RTC_DS1338
	85	bool "Enable DS1338 driver"
	86	help
	87	Support for Dallas Semiconductor (now Maxim) DS1338 and compatible
	88	Real Time Clock devices.
	89
	90	config RTC_DS1374
	91	bool "Enable DS1374 driver"
	92	depends on !DM_RTC
	93	help
	94	Support for Dallas Semiconductor (now Maxim) DS1374 and compatible
	95	Real Time Clock devices.
	96
	97	config RTC_DS3231
	98	bool "Enable DS3231 driver"
	99	help
	100	Support for Dallas Semiconductor (now Maxim) DS3231 compatible
	101	Real Time Clock devices.
	102
0b326fc2 HN	103	config RTC_DS3232
	104	bool "Enable DS3232 driver"
	105	depends on DM_RTC
	106	depends on DM_I2C
	107	help
	108	Support for Dallas Semiconductor (now Maxim) DS3232 compatible
	109	Real Time Clock devices.
	110
87e9963d HS	111	config RTC_EMULATION
	112	bool "Enable emulated RTC"
	113	depends on DM_RTC
	114	help
	115	On a board without hardware clock this software real time clock can be
fb71c3f4 HS	116	used. The initial time may be provided via the environment variable
	117	'rtc_emul_epoch' as a decimal string indicating seconds since
	118	1970-01-01. If the environment variable is missing, the build time is
	119	used to initialize the RTC. The time can be adjusted manually via the
	120	'date' command or the 'sntp' command can be used to update the RTC
	121	with the time from a network time server. See CONFIG_CMD_SNTP and
	122	CONFIG_BOOTP_NTPSERVER. The RTC time is advanced according to CPU
	123	ticks.
87e9963d	124
2d6dc19f HS	125	config RTC_GOLDFISH
	126	bool "Enable Goldfish driver"
	127	depends on DM_RTC
	128	help
	129	The Goldfish RTC is a virtual device which may be supplied by QEMU.
	130	It is enabled by default on QEMU's RISC-V virt machine.
	131
52280315 KG	132	config RTC_ISL1208
	133	bool "Enable ISL1208 driver"
	134	depends on DM_RTC
	135	help
	136	The Renesas (formerly Intersil) ISL1208 is a I2C Real Time Clock (RTC) and
	137	calendar with automatic leap year correction, 2-byte battery backed SRAM,
	138	automatic power switch-over, alarm function and 15 selectable frequency
	139	outputs.
	140
	141	This driver supports reading and writing the RTC/calendar and detects
	142	total power failures.
	143
0798a1ce CP	144	config RTC_MAX313XX
	145	bool "Analog Devices MAX313XX RTC driver"
	146	depends on DM_RTC
	147	depends on DM_I2C
	148	help
	149	If you say yes here you will get support for the
	150	Analog Devices MAX313XX series RTC family.
	151
	152	Chip features not currently supported:
	153	- Timestamp registers as SRAM
	154	- Temperature sensor
	155	- CLKOUT generation
	156
dddfde54 HS	157	config RTC_PCF8563
	158	tristate "Philips PCF8563"
	159	help
	160	If you say yes here you get support for the Philips PCF8563 RTC
	161	and compatible chips.
	162
ea467ea1 TR	163	config RTC_PT7C4338
	164	bool "Enable Pericom Technology PT7C4338 RTC driver"
	165
05a0776e HS	166	config RTC_RV3028
	167	bool "Enable RV3028 driver"
	168	depends on DM_RTC
	169	help
	170	The MicroCrystal RV3028 is a I2C Real Time Clock (RTC)
	171
a3716b5f PT	172	config RTC_RV3029
	173	bool "Enable RV3029 driver"
	174	depends on DM_RTC
	175	help
	176	The MicroCrystal RV3029 is a I2C Real Time Clock (RTC) with 8-byte
	177	battery-backed SRAM.
	178
	179	This driver supports reading and writing the RTC/calendar and the
	180	battery-baced SRAM section.
	181
fb9a1ffe MW	182	config RTC_RV8803
	183	bool "Enable RV8803 driver"
	184	depends on DM_RTC
	185	help
	186	The Micro Crystal RV8803 is a high accuracy, ultra-low power I2C
	187	Real Time Clock (RTC) with temperature compensation.
	188
	189	This driver supports reading and writing the RTC/calendar and
	190	detects total power failures.
	191
958a2106 NH	192	config RTC_RX8010SJ
	193	bool "Enable RX8010SJ driver"
	194	depends on DM_RTC
	195	help
	196	Support for Epson RX8010SJ Real Time Clock devices.
	197
a7e6d0c4 HS	198	config RTC_RX8025
a7e6d0c4 HS	199	bool "Enable RX8025 driver"
152ef916	200	depends on DM_RTC
a7e6d0c4 HS	201	help
	202	Support for Epson RX8025 Real Time Clock devices.
	203
b19886b9 HS	204	config RTC_PL031
	205	bool "Enable ARM AMBA PL031 RTC driver"
	206	help
	207	The ARM PrimeCell Real Time Clock (PL031) is an optional SoC
	208	peripheral based on the Advanced Microcontroller Bus Architecture
	209	(AMBA). It is emulated in QEMU virtual ARM machines.
	210
d3671dfc CP	211	config RTC_MV
	212	bool "Enable Marvell RTC driver"
	213	depends on DM_RTC
	214	help
	215	Enable Marvell RTC driver. This driver supports the rtc that is present
	216	on some Marvell SoCs.
	217
da5337a6 NH	218	config RTC_S35392A
	219	bool "Enable S35392A driver"
	220	select BITREVERSE
	221	help
	222	Enable s35392a driver which provides rtc get and set function.
	223
ea467ea1 TR	224	config RTC_MC13XXX
	225	bool "Enable MC13XXX RTC driver"
	226	depends on !DM_RTC
	227
10761077 SG	228	config RTC_MC146818
	229	bool "Enable MC146818 driver"
	230	help
	231	This is a widely used real-time clock chip originally by Motorola
	232	and now available from NXP. It includes a battery-backed real-time
	233	clock with a wide array of features and 50 bytes of general-purpose,
	234	battery-backed RAM. The driver supports access to the clock and RAM.
	235
3c205a6e TR	236	config MCFRTC
	237	bool "Use common CF RTC driver"
	238	depends on M68K
	239
	240	config SYS_MCFRTC_BASE
	241	hex "Base address for RTC in immap.h"
	242	depends on MCFRTC
	243
ea467ea1 TR	244	config RTC_MXS
	245	bool "Enable i.MXS RTC driver"
	246	depends on ARCH_MX23 \|\| ARCH_MX28
	247
d27db67e LM	248	config RTC_M41T62
	249	bool "Enable M41T62 driver"
	250	help
	251	Enable driver for ST's M41T62 compatible RTC devices (like RV-4162).
	252	It is a serial (I2C) real-time clock (RTC) with alarm.
	253
dd8a2904 SG	254	config RTC_SANDBOX
	255	bool "Enable sandbox RTC driver"
	256	depends on SANDBOX && DM_RTC
	257	default y
	258	help
	259	Enable the sandbox RTC driver. This driver connects to the RTC
	260	emulator and is used to test the RTC uclasses and associated code,
	261	as well as the I2C subsystem.
	262
	263	config SPL_RTC_SANDBOX
	264	bool "Enable sandbox RTC driver (SPL)"
	265	depends on SANDBOX && SPL_DM_RTC
	266	default y
	267	help
	268	Enable the sandbox RTC driver. This driver connects to the RTC
	269	emulator and is used to test the RTC uclasses and associated code,
	270	as well as the I2C subsystem.
	271
1f99eaff PD	272	config RTC_STM32
	273	bool "Enable STM32 RTC driver"
	274	depends on DM_RTC
	275	help
	276	Enable STM32 RTC driver. This driver supports the rtc that is present
	277	on some STM32 SoCs.
8d612ccd YCLP	278
	279	config RTC_ABX80X
	280	bool "Enable Abracon ABx80x RTC driver"
	281	depends on DM_RTC
	282	help
	283	If you say yes here you get support for Abracon AB080X and AB180X
	284	families of ultra-low-power battery- and capacitor-backed real-time
	285	clock chips.
	286
73c3d8eb DB	287	config RTC_DAVINCI
	288	bool "Enable TI OMAP RTC driver"
	289	depends on ARCH_DAVINCI \|\| ARCH_OMAP2PLUS
	290	help
	291	Say "yes" here to support the on chip real time clock
	292	present on TI OMAP1, AM33xx, DA8xx/OMAP-L13x, AM43xx and DRA7xx.
	293
1f065e8f MS	294	config RTC_ZYNQMP
	295	bool "Enable ZynqMP RTC driver"
	296	depends on ARCH_ZYNQMP
	297	help
	298	Say "yes" here to support the on chip real time clock
	299	present on Xilinx ZynqMP SoC.
	300
fcb624be SA	301	config RTC_HT1380
	302	bool "Enable Holtek HT1380/HT1381 RTC driver"
	303	depends on DM_RTC && DM_GPIO
	304	help
	305	Say "yes" here to get support for Holtek HT1380/HT1381
	306	Serial Timekeeper IC which provides seconds, minutes, hours,
	307	day of the week, date, month and year information. It is to be
	308	connected via 3 GPIO pins which work as reset, clock, and data.
	309
0b11dbf7	310	endmenu