| Masahiro Yamada | 0b11dbf | 2015-07-26 02:46:26 +0900 | [diff] [blame] | 1 | # |
| 2 | # RTC drivers configuration |
| 3 | # |
| 4 | |
| 5 | menu "Real Time Clock" |
| 6 | |
| Simon Glass | dbeda5b | 2015-04-20 12:37:23 -0600 | [diff] [blame] | 7 | config 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 Yamada | 0b11dbf | 2015-07-26 02:46:26 +0900 | [diff] [blame] | 15 | |
| Meng Yi | 8f3a842 | 2016-11-30 15:47:31 +0800 | [diff] [blame] | 16 | config RTC_PCF2127 |
| 17 | bool "Enable PCF2127 driver" |
| 18 | depends on DM_RTC |
| 19 | help |
| Meng Yi | 45a0194 | 2017-01-09 11:24:51 -0700 | [diff] [blame] | 20 | The PCF2127 is a CMOS Real Time Clock (RTC) and calendar with an integrated |
| 21 | Temperature Compensated Crystal (Xtal) Oscillator (TCXO) and a 32.768 kHz quartz |
| 22 | crystal optimized for very high accuracy and very low power consumption. The PCF2127 |
| 23 | has a selectable I2C-bus or SPI-bus, a backup battery switch-over circuit, a |
| 24 | programmable watchdog function, a timestamp function, and many other features. |
| Meng Yi | 8f3a842 | 2016-11-30 15:47:31 +0800 | [diff] [blame] | 25 | |
| Chris Packham | d425d60 | 2017-04-29 15:20:29 +1200 | [diff] [blame] | 26 | config RTC_DS1307 |
| 27 | bool "Enable DS1307 driver" |
| 28 | depends on DM_RTC |
| 29 | help |
| 30 | Support for Dallas Semiconductor (now Maxim) DS1307 and DS1338/9 and |
| 31 | compatible Real Time Clock devices. |
| 32 | |
| Klaus Goger | 5228031 | 2018-03-19 20:32:05 +0100 | [diff] [blame] | 33 | config RTC_ISL1208 |
| 34 | bool "Enable ISL1208 driver" |
| 35 | depends on DM_RTC |
| 36 | help |
| 37 | The Renesas (formerly Intersil) ISL1208 is a I2C Real Time Clock (RTC) and |
| 38 | calendar with automatic leap year correction, 2-byte battery backed SRAM, |
| 39 | automatic power switch-over, alarm function and 15 selectable frequency |
| 40 | outputs. |
| 41 | |
| 42 | This driver supports reading and writing the RTC/calendar and detects |
| 43 | total power failures. |
| 44 | |
| Nandor Han | 958a210 | 2018-01-10 20:31:27 +0100 | [diff] [blame] | 45 | config RTC_RX8010SJ |
| 46 | bool "Enable RX8010SJ driver" |
| 47 | depends on DM_RTC |
| 48 | help |
| 49 | Support for Epson RX8010SJ Real Time Clock devices. |
| 50 | |
| Heinrich Schuchardt | b19886b | 2018-06-29 00:34:16 +0200 | [diff] [blame] | 51 | config RTC_PL031 |
| 52 | bool "Enable ARM AMBA PL031 RTC driver" |
| 53 | help |
| 54 | The ARM PrimeCell Real Time Clock (PL031) is an optional SoC |
| 55 | peripheral based on the Advanced Microcontroller Bus Architecture |
| 56 | (AMBA). It is emulated in QEMU virtual ARM machines. |
| 57 | |
| Chris Packham | d3671df | 2018-05-28 23:39:58 +1200 | [diff] [blame] | 58 | config RTC_MV |
| 59 | bool "Enable Marvell RTC driver" |
| 60 | depends on DM_RTC |
| 61 | help |
| 62 | Enable Marvell RTC driver. This driver supports the rtc that is present |
| 63 | on some Marvell SoCs. |
| 64 | |
| Nandor Han | da5337a | 2017-11-08 15:35:14 +0000 | [diff] [blame] | 65 | config RTC_S35392A |
| 66 | bool "Enable S35392A driver" |
| 67 | select BITREVERSE |
| 68 | help |
| 69 | Enable s35392a driver which provides rtc get and set function. |
| 70 | |
| Simon Glass | 1076107 | 2018-10-01 12:22:14 -0600 | [diff] [blame^] | 71 | config RTC_MC146818 |
| 72 | bool "Enable MC146818 driver" |
| 73 | help |
| 74 | This is a widely used real-time clock chip originally by Motorola |
| 75 | and now available from NXP. It includes a battery-backed real-time |
| 76 | clock with a wide array of features and 50 bytes of general-purpose, |
| 77 | battery-backed RAM. The driver supports access to the clock and RAM. |
| 78 | |
| Masahiro Yamada | 0b11dbf | 2015-07-26 02:46:26 +0900 | [diff] [blame] | 79 | endmenu |