Talk:RTC
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Revision as of 11:38, 26 February 2009 by JulienB (Talk | contribs) (New page: == Driver installation == First be sure to use an armadeus 2.0 or higher. The RTC/DS1374 support is already configured in U-BOOT and linux kernel 2.6.18.1 and higher. Therefore you have n...)
Driver installation
First be sure to use an armadeus 2.0 or higher. The RTC/DS1374 support is already configured in U-BOOT and linux kernel 2.6.18.1 and higher. Therefore you have nothing to configure to use the RTC. Nevertheless these are the parameters to check to have the RTC supported:
$ make linux26-menuconfig
- check the i2c module drivers "I2C support", "I2C DEVICE", "I2C HARDWARE/bus on imx"
- check the RTC module driver "RTC class", "set time from RTC" "RTC interface dev"
- if you integrates these module statically in the kernel then the system date will be set at power-up.
$ make
and reload your kernel and/or rootfs
Installation
- Installation is automatic with the default configuration but if you choose to compile rtc and i2c drivers as module then you have to load them:
$ modprobe i2c-imx $ modprobe rtc-ds1374 $ modprobe rtc-dev
