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kernel: rtc: add RTC non volatile storage support

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By enabling the kmod-rtc-nvmem you enable the RTC non volatile storage
support including nvmem sysfs access.

This make it possible to store some (small) information in the (often
battery backed) storage present on RTCs.

Signed-off-by: Martin Schiller <ms@dev.tdt.de>
This commit is contained in:
Martin Schiller 2024-06-07 08:07:53 +02:00
parent c67d5189a4
commit 4e90ae9682
1 changed files with 16 additions and 0 deletions
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16
package/kernel/linux/modules/rtc.mk
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@ -116,6 +116,22 @@ endef
$(eval $(call KernelPackage,rtc-mv))
define KernelPackage/rtc-nvmem
SUBMENU:=$(RTC_MENU)
TITLE:=RTC non volatile storage support
DEFAULT:=m if ALL_KMODS && RTC_SUPPORT
KCONFIG:=CONFIG_RTC_NVMEM=y \
CONFIG_NVMEM_SYSFS=y
endef
define KernelPackage/rtc-nvmem/description
Say yes here to add support for the non volatile (often battery
backed) storage present on RTCs.
endef
$(eval $(call KernelPackage,rtc-nvmem))
define KernelPackage/rtc-pcf8563
SUBMENU:=$(RTC_MENU)
TITLE:=Philips PCF8563/Epson RTC8564 RTC support