Gitiles
Code Review Sign In
gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 811323ffd460ce6e54846c872df1ea157adf5ea8 / . / drivers / rtc / Kconfig
blob: 7fc53a6d61ed78299812d083e9e07f4a03c003cf [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
Heinrich Schuchardt2d6dc192023-12-31 00:53:00 +0100[diff] [blame]125config 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
Klaus Goger52280312018-03-19 20:32:05 +0100[diff] [blame]132config 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
Chris Packham0798a1c2023-03-20 10:23:44 +1300[diff] [blame]144config 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
Heiko Schocherdddfde52020-10-16 10:41:46 +0200[diff] [blame]157config 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
Tom Riniea467ea2022-11-19 18:45:31 -0500[diff] [blame]163config RTC_PT7C4338
164 bool "Enable Pericom Technology PT7C4338 RTC driver"
165
Heiko Schocher05a07762021-03-10 08:15:00 +0100[diff] [blame]166config 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
Philipp Tomsicha3716b52018-11-27 22:53:57 +0100[diff] [blame]172config 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
Michael Wallefb9a1ff2019-05-29 01:29:58 +0200[diff] [blame]182config 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
Nandor Han958a2102018-01-10 20:31:27 +0100[diff] [blame]192config RTC_RX8010SJ
193 bool "Enable RX8010SJ driver"
194 depends on DM_RTC
195 help
196 Support for Epson RX8010SJ Real Time Clock devices.
197
Heiko Schochera7e6d0c2019-07-16 05:31:33 +0200[diff] [blame]198config RTC_RX8025
199 bool "Enable RX8025 driver"
Mathew McBride152ef912021-09-17 06:46:01 +0000[diff] [blame]200 depends on DM_RTC
Heiko Schochera7e6d0c2019-07-16 05:31:33 +0200[diff] [blame]201 help
202 Support for Epson RX8025 Real Time Clock devices.
203
Heinrich Schuchardtb19886b2018-06-29 00:34:16 +0200[diff] [blame]204config 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
Chris Packhamd3671df2018-05-28 23:39:58 +1200[diff] [blame]211config 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
Nandor Handa5337a2017-11-08 15:35:14 +0000[diff] [blame]218config RTC_S35392A
219 bool "Enable S35392A driver"
220 select BITREVERSE
221 help
222 Enable s35392a driver which provides rtc get and set function.
223
Tom Riniea467ea2022-11-19 18:45:31 -0500[diff] [blame]224config RTC_MC13XXX
225 bool "Enable MC13XXX RTC driver"
226 depends on !DM_RTC
227
Simon Glass10761072018-10-01 12:22:14 -0600[diff] [blame]228config 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
Tom Rini3c205a62022-03-23 17:19:51 -0400[diff] [blame]236config MCFRTC
237 bool "Use common CF RTC driver"
238 depends on M68K
239
240config SYS_MCFRTC_BASE
241 hex "Base address for RTC in immap.h"
242 depends on MCFRTC
243
Tom Riniea467ea2022-11-19 18:45:31 -0500[diff] [blame]244config RTC_MXS
245 bool "Enable i.MXS RTC driver"
246 depends on ARCH_MX23 || ARCH_MX28
247
Lukasz Majewskid27db672018-11-22 14:54:31 +0100[diff] [blame]248config 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
Simon Glassdd8a2902023-02-22 09:34:04 -0700[diff] [blame]254config 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
263config 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
Patrick Delaunay1f99eaf2019-07-22 11:02:34 +0200[diff] [blame]272config 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.
Ying-Chun Liu (PaulLiu)8d612cc2021-01-15 13:53:02 +0800[diff] [blame]278
279config 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
Dario Binacchi73c3d8e2021-06-02 22:37:58 +0200[diff] [blame]287config 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
Michal Simek1f065e82021-07-29 10:39:08 +0200[diff] [blame]294config 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
Sergei Antonovfcb624b2022-12-09 19:15:30 +0300[diff] [blame]301config 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
Masahiro Yamada0b11dbf2015-07-26 02:46:26 +0900[diff] [blame]310endmenu