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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / a7e6d0c45a87d8f334aa23ff7874147db206f5d1 / . / drivers / rtc / Kconfig
blob: 860b73d3690b74156dc5ea0e6ef1c81c48f10252 [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
10 help
11 Enable drver model for real-time-clock drivers. The RTC uclass
12 then provides the rtc_get()/rtc_set() interface, delegating to
13 drivers to perform the actual functions. See rtc.h for a
14 description of the API.
Masahiro Yamada0b11dbf2015-07-26 02:46:26 +0900[diff] [blame]15
Simon Glass380d4f72018-10-01 12:22:15 -0600[diff] [blame]16config SPL_DM_RTC
17 bool "Enable Driver Model for RTC drivers in SPL"
18 depends on SPL_DM
19 help
20 Enable drver model for real-time-clock drivers. The RTC uclass
21 then provides the rtc_get()/rtc_set() interface, delegating to
22 drivers to perform the actual functions. See rtc.h for a
23 description of the API.
24
25config TPL_DM_RTC
26 bool "Enable Driver Model for RTC drivers in TPL"
27 depends on TPL_DM
28 help
29 Enable drver model for real-time-clock drivers. The RTC uclass
30 then provides the rtc_get()/rtc_set() interface, delegating to
31 drivers to perform the actual functions. See rtc.h for a
32 description of the API.
33
Meng Yi8f3a8422016-11-30 15:47:31 +0800[diff] [blame]34config RTC_PCF2127
35 bool "Enable PCF2127 driver"
36 depends on DM_RTC
37 help
Meng Yi45a01942017-01-09 11:24:51 -0700[diff] [blame]38 The PCF2127 is a CMOS Real Time Clock (RTC) and calendar with an integrated
39 Temperature Compensated Crystal (Xtal) Oscillator (TCXO) and a 32.768 kHz quartz
40 crystal optimized for very high accuracy and very low power consumption. The PCF2127
41 has a selectable I2C-bus or SPI-bus, a backup battery switch-over circuit, a
42 programmable watchdog function, a timestamp function, and many other features.
Meng Yi8f3a8422016-11-30 15:47:31 +0800[diff] [blame]43
Chris Packhamd425d602017-04-29 15:20:29 +1200[diff] [blame]44config RTC_DS1307
45 bool "Enable DS1307 driver"
46 depends on DM_RTC
47 help
48 Support for Dallas Semiconductor (now Maxim) DS1307 and DS1338/9 and
49 compatible Real Time Clock devices.
50
Klaus Goger52280312018-03-19 20:32:05 +0100[diff] [blame]51config RTC_ISL1208
52 bool "Enable ISL1208 driver"
53 depends on DM_RTC
54 help
55 The Renesas (formerly Intersil) ISL1208 is a I2C Real Time Clock (RTC) and
56 calendar with automatic leap year correction, 2-byte battery backed SRAM,
57 automatic power switch-over, alarm function and 15 selectable frequency
58 outputs.
59
60 This driver supports reading and writing the RTC/calendar and detects
61 total power failures.
62
Philipp Tomsicha3716b52018-11-27 22:53:57 +0100[diff] [blame]63config RTC_RV3029
64 bool "Enable RV3029 driver"
65 depends on DM_RTC
66 help
67 The MicroCrystal RV3029 is a I2C Real Time Clock (RTC) with 8-byte
68 battery-backed SRAM.
69
70 This driver supports reading and writing the RTC/calendar and the
71 battery-baced SRAM section.
72
Michael Wallefb9a1ff2019-05-29 01:29:58 +0200[diff] [blame]73config RTC_RV8803
74 bool "Enable RV8803 driver"
75 depends on DM_RTC
76 help
77 The Micro Crystal RV8803 is a high accuracy, ultra-low power I2C
78 Real Time Clock (RTC) with temperature compensation.
79
80 This driver supports reading and writing the RTC/calendar and
81 detects total power failures.
82
Nandor Han958a2102018-01-10 20:31:27 +0100[diff] [blame]83config RTC_RX8010SJ
84 bool "Enable RX8010SJ driver"
85 depends on DM_RTC
86 help
87 Support for Epson RX8010SJ Real Time Clock devices.
88
Heiko Schochera7e6d0c2019-07-16 05:31:33 +0200[diff] [blame^]89config RTC_RX8025
90 bool "Enable RX8025 driver"
91 help
92 Support for Epson RX8025 Real Time Clock devices.
93
Heinrich Schuchardtb19886b2018-06-29 00:34:16 +0200[diff] [blame]94config RTC_PL031
95 bool "Enable ARM AMBA PL031 RTC driver"
96 help
97 The ARM PrimeCell Real Time Clock (PL031) is an optional SoC
98 peripheral based on the Advanced Microcontroller Bus Architecture
99 (AMBA). It is emulated in QEMU virtual ARM machines.
100
Chris Packhamd3671df2018-05-28 23:39:58 +1200[diff] [blame]101config RTC_MV
102 bool "Enable Marvell RTC driver"
103 depends on DM_RTC
104 help
105 Enable Marvell RTC driver. This driver supports the rtc that is present
106 on some Marvell SoCs.
107
Nandor Handa5337a2017-11-08 15:35:14 +0000[diff] [blame]108config RTC_S35392A
109 bool "Enable S35392A driver"
110 select BITREVERSE
111 help
112 Enable s35392a driver which provides rtc get and set function.
113
Simon Glass10761072018-10-01 12:22:14 -0600[diff] [blame]114config RTC_MC146818
115 bool "Enable MC146818 driver"
116 help
117 This is a widely used real-time clock chip originally by Motorola
118 and now available from NXP. It includes a battery-backed real-time
119 clock with a wide array of features and 50 bytes of general-purpose,
120 battery-backed RAM. The driver supports access to the clock and RAM.
121
Lukasz Majewskid27db672018-11-22 14:54:31 +0100[diff] [blame]122config RTC_M41T62
123 bool "Enable M41T62 driver"
124 help
125 Enable driver for ST's M41T62 compatible RTC devices (like RV-4162).
126 It is a serial (I2C) real-time clock (RTC) with alarm.
127
Patrick Delaunay1f99eaf2019-07-22 11:02:34 +0200[diff] [blame]128config RTC_STM32
129 bool "Enable STM32 RTC driver"
130 depends on DM_RTC
131 help
132 Enable STM32 RTC driver. This driver supports the rtc that is present
133 on some STM32 SoCs.
Masahiro Yamada0b11dbf2015-07-26 02:46:26 +0900[diff] [blame]134endmenu