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Diffstat (limited to 'drivers/bootcount/Kconfig')
| -rw-r--r-- | drivers/bootcount/Kconfig | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/bootcount/Kconfig b/drivers/bootcount/Kconfig index 46571eb3229..b7c29f2fd30 100644 --- a/drivers/bootcount/Kconfig +++ b/drivers/bootcount/Kconfig @@ -80,6 +80,26 @@ config DM_BOOTCOUNT endchoice +if DM_BOOTCOUNT + +menu "Backing stores for device-model backed bootcount" +config DM_BOOTCOUNT_RTC + bool "Support RTC devices as a backing store for bootcount" + depends on DM_RTC + help + Enabled reading/writing the bootcount in a DM RTC device. + The wrapper device is to be specified with the compatible string + 'u-boot,bootcount-rtc' and the 'rtc'-property (a phandle pointing + to the underlying RTC device) and an optional 'offset' property + are supported. + + Accesses to the backing store are performed using the write16 + and read16 ops of DM RTC devices. + +endmenu + +endif + config BOOTCOUNT_BOOTLIMIT int "Maximum number of reboot cycles allowed" default 0 |