CONFIG_RTC_INTF_DEV: /dev/rtcN (character devices)

General informations

The Linux kernel configuration item CONFIG_RTC_INTF_DEV has multiple definitions:

/dev/rtcN (character devices) found in drivers/rtc/Kconfig

The configuration item CONFIG_RTC_INTF_DEV:

• prompt: /dev/rtcN (character devices)
• type: bool
• depends on: (none)
• defined in drivers/rtc/Kconfig
• found in Linux kernels: 2.6.22–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD
• modules built: rtc-dev

Help text

Say yes here if you want to use your RTCs using the /dev interfaces, which "udev" sets up as /dev/rtc0 through /dev/rtcN.

You may want to set up a symbolic link so one of these can be accessed as /dev/rtc, which is a name expected by "hwclock" and some other programs. Recent versions of "udev" are known to set up the symlink for you.

If unsure, say Y.

dev found in drivers/rtc/Kconfig

The configuration item CONFIG_RTC_INTF_DEV:

• prompt: dev
• type: tristate
• depends on: CONFIG_RTC_CLASS
• defined in drivers/rtc/Kconfig
• found in Linux kernels: 2.6.17–2.6.21
• modules built: rtc-dev

Help text

Say yes here if you want to use your RTCs using the /dev interfaces, which "udev" sets up as /dev/rtc0 through /dev/rtcN. You may want to set up a symbolic link so one of these can be accessed as /dev/rtc, which is a name expected by "hwclock" and some other programs.

This driver can also be built as a module. If so, the module will be called rtc-dev.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module rtc-dev CONFIG_RTC_INTF_DEV : drivers/rtc/Kconfig : "dev" # in 2.6.17–2.6.21

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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