10c86edc0SAlessandro Zummo\# 2c58411e9SAlessandro Zummo# RTC class/drivers configuration 3c58411e9SAlessandro Zummo# 4c58411e9SAlessandro Zummo 50c86edc0SAlessandro Zummomenu "Real Time Clock" 60c86edc0SAlessandro Zummo 7c58411e9SAlessandro Zummoconfig RTC_LIB 8c58411e9SAlessandro Zummo tristate 90c86edc0SAlessandro Zummo 100c86edc0SAlessandro Zummoconfig RTC_CLASS 110c86edc0SAlessandro Zummo tristate "RTC class" 120c86edc0SAlessandro Zummo depends on EXPERIMENTAL 130c86edc0SAlessandro Zummo default n 140c86edc0SAlessandro Zummo select RTC_LIB 150c86edc0SAlessandro Zummo help 160c86edc0SAlessandro Zummo Generic RTC class support. If you say yes here, you will 170c86edc0SAlessandro Zummo be allowed to plug one or more RTCs to your system. You will 180c86edc0SAlessandro Zummo probably want to enable one of more of the interfaces below. 190c86edc0SAlessandro Zummo 200c86edc0SAlessandro Zummo This driver can also be built as a module. If so, the module 210c86edc0SAlessandro Zummo will be called rtc-class. 220c86edc0SAlessandro Zummo 230c86edc0SAlessandro Zummoconfig RTC_HCTOSYS 240c86edc0SAlessandro Zummo bool "Set system time from RTC on startup" 250c86edc0SAlessandro Zummo depends on RTC_CLASS = y 260c86edc0SAlessandro Zummo default y 270c86edc0SAlessandro Zummo help 280c86edc0SAlessandro Zummo If you say yes here, the system time will be set using 290c86edc0SAlessandro Zummo the value read from the specified RTC device. This is useful 300c86edc0SAlessandro Zummo in order to avoid unnecessary fschk runs. 310c86edc0SAlessandro Zummo 320c86edc0SAlessandro Zummoconfig RTC_HCTOSYS_DEVICE 330c86edc0SAlessandro Zummo string "The RTC to read the time from" 340c86edc0SAlessandro Zummo depends on RTC_HCTOSYS = y 350c86edc0SAlessandro Zummo default "rtc0" 360c86edc0SAlessandro Zummo help 370c86edc0SAlessandro Zummo The RTC device that will be used as the source for 380c86edc0SAlessandro Zummo the system time, usually rtc0. 390c86edc0SAlessandro Zummo 400c86edc0SAlessandro Zummocomment "RTC interfaces" 410c86edc0SAlessandro Zummo depends on RTC_CLASS 420c86edc0SAlessandro Zummo 43c5c3e192SAlessandro Zummoconfig RTC_INTF_SYSFS 44c5c3e192SAlessandro Zummo tristate "sysfs" 45c5c3e192SAlessandro Zummo depends on RTC_CLASS && SYSFS 46c5c3e192SAlessandro Zummo default RTC_CLASS 47c5c3e192SAlessandro Zummo help 48c5c3e192SAlessandro Zummo Say yes here if you want to use your RTC using the sysfs 49c5c3e192SAlessandro Zummo interface, /sys/class/rtc/rtcX . 50c5c3e192SAlessandro Zummo 51c5c3e192SAlessandro Zummo This driver can also be built as a module. If so, the module 52c5c3e192SAlessandro Zummo will be called rtc-sysfs. 53c5c3e192SAlessandro Zummo 54728a2947SAlessandro Zummoconfig RTC_INTF_PROC 55728a2947SAlessandro Zummo tristate "proc" 56728a2947SAlessandro Zummo depends on RTC_CLASS && PROC_FS 57728a2947SAlessandro Zummo default RTC_CLASS 58728a2947SAlessandro Zummo help 59728a2947SAlessandro Zummo Say yes here if you want to use your RTC using the proc 60728a2947SAlessandro Zummo interface, /proc/driver/rtc . 61728a2947SAlessandro Zummo 62728a2947SAlessandro Zummo This driver can also be built as a module. If so, the module 63728a2947SAlessandro Zummo will be called rtc-proc. 64728a2947SAlessandro Zummo 65*e824290eSAlessandro Zummoconfig RTC_INTF_DEV 66*e824290eSAlessandro Zummo tristate "dev" 67*e824290eSAlessandro Zummo depends on RTC_CLASS 68*e824290eSAlessandro Zummo default RTC_CLASS 69*e824290eSAlessandro Zummo help 70*e824290eSAlessandro Zummo Say yes here if you want to use your RTC using the dev 71*e824290eSAlessandro Zummo interface, /dev/rtc . 72*e824290eSAlessandro Zummo 73*e824290eSAlessandro Zummo This driver can also be built as a module. If so, the module 74*e824290eSAlessandro Zummo will be called rtc-dev. 75*e824290eSAlessandro Zummo 760c86edc0SAlessandro Zummocomment "RTC drivers" 770c86edc0SAlessandro Zummo depends on RTC_CLASS 780c86edc0SAlessandro Zummo 790c86edc0SAlessandro Zummoendmenu 80