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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / cc7595a8507ce1e476bfbcca0ce041fc2169667f / . / drivers / rtc / Kconfig
blob: 23173139e01523cae15cfabaed842499521d25d7 [file] [log] [blame]
Masahiro Yamada0b11dbf2015-07-26 02:46:26 +0900[diff] [blame]1#
2# RTC drivers configuration
3#
4
5menu "Real Time Clock"
6
Simon Glassdbeda5b2015-04-20 12:37:23 -0600[diff] [blame]7config DM_RTC
8 bool "Enable Driver Model for RTC drivers"
9 depends on DM
AKASHI Takahiro05429b62019-11-13 09:44:49 +0900[diff] [blame]10 select LIB_DATE
Simon Glassdbeda5b2015-04-20 12:37:23 -0600[diff] [blame]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.
Masahiro Yamada0b11dbf2015-07-26 02:46:26 +0900[diff] [blame]16
Simon Glass380d4f72018-10-01 12:22:15 -0600[diff] [blame]17config 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
26config 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
Simon Glass747093d2022-04-30 00:56:53 -0600[diff] [blame]35config 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
Chuanhua Handb07c442019-07-26 19:24:00 +0800[diff] [blame]44config 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
Marek Behúnaefbc2c2021-02-26 10:30:19 +0100[diff] [blame]50config 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
Meng Yi8f3a8422016-11-30 15:47:31 +0800[diff] [blame]57config RTC_PCF2127
58 bool "Enable PCF2127 driver"
59 depends on DM_RTC
60 help
Meng Yi45a01942017-01-09 11:24:51 -0700[diff] [blame]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.
Meng Yi8f3a8422016-11-30 15:47:31 +0800[diff] [blame]66
Chris Packhamd425d602017-04-29 15:20:29 +1200[diff] [blame]67config RTC_DS1307
68 bool "Enable DS1307 driver"
69 depends on DM_RTC
70 help
Tom Riniea467ea2022-11-19 18:45:31 -0500[diff] [blame]71 Support for Dallas Semiconductor (now Maxim) DS1307 and DS1339 and
Chris Packhamd425d602017-04-29 15:20:29 +1200[diff] [blame]72 compatible Real Time Clock devices.
73
Tom Riniea467ea2022-11-19 18:45:31 -0500[diff] [blame]74config 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
80config RTC_DS1337_NOOSC
81 bool "Enable support for no oscillator output in DS1337 driver"
82 depends on RTC_DS1337
83
84config 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
90config 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
97config RTC_DS3231
98 bool "Enable DS3231 driver"
99 help
100 Support for Dallas Semiconductor (now Maxim) DS3231 compatible
101 Real Time Clock devices.
102
Han Nandor0b326fc2019-11-12 08:39:38 +0000[diff] [blame]103config 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
Heinrich Schuchardt87e99632020-10-22 23:52:14 +0200[diff] [blame]111config 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
Heinrich Schuchardtfb71c3f2020-10-30 03:27:22 +0100[diff] [blame]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.
Heinrich Schuchardt87e99632020-10-22 23:52:14 +0200[diff] [blame]124
Klaus Goger52280312018-03-19 20:32:05 +0100[diff] [blame]125config RTC_ISL1208
126 bool "Enable ISL1208 driver"
127 depends on DM_RTC
128 help
129 The Renesas (formerly Intersil) ISL1208 is a I2C Real Time Clock (RTC) and
130 calendar with automatic leap year correction, 2-byte battery backed SRAM,
131 automatic power switch-over, alarm function and 15 selectable frequency
132 outputs.
133
134 This driver supports reading and writing the RTC/calendar and detects
135 total power failures.
136
Chris Packham0798a1c2023-03-20 10:23:44 +1300[diff] [blame]137config RTC_MAX313XX
138 bool "Analog Devices MAX313XX RTC driver"
139 depends on DM_RTC
140 depends on DM_I2C
141 help
142 If you say yes here you will get support for the
143 Analog Devices MAX313XX series RTC family.
144
145 Chip features not currently supported:
146 - Timestamp registers as SRAM
147 - Temperature sensor
148 - CLKOUT generation
149
Heiko Schocherdddfde52020-10-16 10:41:46 +0200[diff] [blame]150config RTC_PCF8563
151 tristate "Philips PCF8563"
152 help
153 If you say yes here you get support for the Philips PCF8563 RTC
154 and compatible chips.
155
Tom Riniea467ea2022-11-19 18:45:31 -0500[diff] [blame]156config RTC_PT7C4338
157 bool "Enable Pericom Technology PT7C4338 RTC driver"
158
Heiko Schocher05a07762021-03-10 08:15:00 +0100[diff] [blame]159config RTC_RV3028
160 bool "Enable RV3028 driver"
161 depends on DM_RTC
162 help
163 The MicroCrystal RV3028 is a I2C Real Time Clock (RTC)
164
Philipp Tomsicha3716b52018-11-27 22:53:57 +0100[diff] [blame]165config RTC_RV3029
166 bool "Enable RV3029 driver"
167 depends on DM_RTC
168 help
169 The MicroCrystal RV3029 is a I2C Real Time Clock (RTC) with 8-byte
170 battery-backed SRAM.
171
172 This driver supports reading and writing the RTC/calendar and the
173 battery-baced SRAM section.
174
Michael Wallefb9a1ff2019-05-29 01:29:58 +0200[diff] [blame]175config RTC_RV8803
176 bool "Enable RV8803 driver"
177 depends on DM_RTC
178 help
179 The Micro Crystal RV8803 is a high accuracy, ultra-low power I2C
180 Real Time Clock (RTC) with temperature compensation.
181
182 This driver supports reading and writing the RTC/calendar and
183 detects total power failures.
184
Nandor Han958a2102018-01-10 20:31:27 +0100[diff] [blame]185config RTC_RX8010SJ
186 bool "Enable RX8010SJ driver"
187 depends on DM_RTC
188 help
189 Support for Epson RX8010SJ Real Time Clock devices.
190
Heiko Schochera7e6d0c2019-07-16 05:31:33 +0200[diff] [blame]191config RTC_RX8025
192 bool "Enable RX8025 driver"
Mathew McBride152ef912021-09-17 06:46:01 +0000[diff] [blame]193 depends on DM_RTC
Heiko Schochera7e6d0c2019-07-16 05:31:33 +0200[diff] [blame]194 help
195 Support for Epson RX8025 Real Time Clock devices.
196
Heinrich Schuchardtb19886b2018-06-29 00:34:16 +0200[diff] [blame]197config RTC_PL031
198 bool "Enable ARM AMBA PL031 RTC driver"
199 help
200 The ARM PrimeCell Real Time Clock (PL031) is an optional SoC
201 peripheral based on the Advanced Microcontroller Bus Architecture
202 (AMBA). It is emulated in QEMU virtual ARM machines.
203
Chris Packhamd3671df2018-05-28 23:39:58 +1200[diff] [blame]204config RTC_MV
205 bool "Enable Marvell RTC driver"
206 depends on DM_RTC
207 help
208 Enable Marvell RTC driver. This driver supports the rtc that is present
209 on some Marvell SoCs.
210
Nandor Handa5337a2017-11-08 15:35:14 +0000[diff] [blame]211config RTC_S35392A
212 bool "Enable S35392A driver"
213 select BITREVERSE
214 help
215 Enable s35392a driver which provides rtc get and set function.
216
Tom Riniea467ea2022-11-19 18:45:31 -0500[diff] [blame]217config RTC_MC13XXX
218 bool "Enable MC13XXX RTC driver"
219 depends on !DM_RTC
220
Simon Glass10761072018-10-01 12:22:14 -0600[diff] [blame]221config RTC_MC146818
222 bool "Enable MC146818 driver"
223 help
224 This is a widely used real-time clock chip originally by Motorola
225 and now available from NXP. It includes a battery-backed real-time
226 clock with a wide array of features and 50 bytes of general-purpose,
227 battery-backed RAM. The driver supports access to the clock and RAM.
228
Tom Rini3c205a62022-03-23 17:19:51 -0400[diff] [blame]229config MCFRTC
230 bool "Use common CF RTC driver"
231 depends on M68K
232
233config SYS_MCFRTC_BASE
234 hex "Base address for RTC in immap.h"
235 depends on MCFRTC
236
Tom Riniea467ea2022-11-19 18:45:31 -0500[diff] [blame]237config RTC_MXS
238 bool "Enable i.MXS RTC driver"
239 depends on ARCH_MX23 || ARCH_MX28
240
Lukasz Majewskid27db672018-11-22 14:54:31 +0100[diff] [blame]241config RTC_M41T62
242 bool "Enable M41T62 driver"
243 help
244 Enable driver for ST's M41T62 compatible RTC devices (like RV-4162).
245 It is a serial (I2C) real-time clock (RTC) with alarm.
246
Simon Glassdd8a2902023-02-22 09:34:04 -0700[diff] [blame]247config RTC_SANDBOX
248 bool "Enable sandbox RTC driver"
249 depends on SANDBOX && DM_RTC
250 default y
251 help
252 Enable the sandbox RTC driver. This driver connects to the RTC
253 emulator and is used to test the RTC uclasses and associated code,
254 as well as the I2C subsystem.
255
256config SPL_RTC_SANDBOX
257 bool "Enable sandbox RTC driver (SPL)"
258 depends on SANDBOX && SPL_DM_RTC
259 default y
260 help
261 Enable the sandbox RTC driver. This driver connects to the RTC
262 emulator and is used to test the RTC uclasses and associated code,
263 as well as the I2C subsystem.
264
Patrick Delaunay1f99eaf2019-07-22 11:02:34 +0200[diff] [blame]265config RTC_STM32
266 bool "Enable STM32 RTC driver"
267 depends on DM_RTC
268 help
269 Enable STM32 RTC driver. This driver supports the rtc that is present
270 on some STM32 SoCs.
Ying-Chun Liu (PaulLiu)8d612cc2021-01-15 13:53:02 +0800[diff] [blame]271
272config RTC_ABX80X
273 bool "Enable Abracon ABx80x RTC driver"
274 depends on DM_RTC
275 help
276 If you say yes here you get support for Abracon AB080X and AB180X
277 families of ultra-low-power battery- and capacitor-backed real-time
278 clock chips.
279
Dario Binacchi73c3d8e2021-06-02 22:37:58 +0200[diff] [blame]280config RTC_DAVINCI
281 bool "Enable TI OMAP RTC driver"
282 depends on ARCH_DAVINCI || ARCH_OMAP2PLUS
283 help
284 Say "yes" here to support the on chip real time clock
285 present on TI OMAP1, AM33xx, DA8xx/OMAP-L13x, AM43xx and DRA7xx.
286
Michal Simek1f065e82021-07-29 10:39:08 +0200[diff] [blame]287config RTC_ZYNQMP
288 bool "Enable ZynqMP RTC driver"
289 depends on ARCH_ZYNQMP
290 help
291 Say "yes" here to support the on chip real time clock
292 present on Xilinx ZynqMP SoC.
293
Sergei Antonovfcb624b2022-12-09 19:15:30 +0300[diff] [blame]294config RTC_HT1380
295 bool "Enable Holtek HT1380/HT1381 RTC driver"
296 depends on DM_RTC && DM_GPIO
297 help
298 Say "yes" here to get support for Holtek HT1380/HT1381
299 Serial Timekeeper IC which provides seconds, minutes, hours,
300 day of the week, date, month and year information. It is to be
301 connected via 3 GPIO pins which work as reset, clock, and data.
302
Masahiro Yamada0b11dbf2015-07-26 02:46:26 +0900[diff] [blame]303endmenu