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backup-switchover-mode value definitions improvement #1861

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backup-switchover-mode value definitions improvement #1861

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8 changes: 7 additions & 1 deletion boot/overlays/README
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Original file line number Diff line number Diff line change
Expand Up @@ -2106,7 +2106,13 @@ Params: abx80x Select one of the ABx80x family:
source

backup-switchover-mode Backup power supply switch mode. Must be 0 for
off or 1 for Vdd < VBackup (RV3028, RV3032)
"Switchover disabled", 1 for "Direct Switching"
(switchover when Vdd < VBackup), 2 for "Standby
Mode" (go into standby when Vdd < Vbackup,
does not draw current) or 3 (recommended) for
"Level Switching" (switchover when Vdd < Vbackup
and Vdd < Vddsw and Vbackup > Vddsw.)
(RV3028, RV3032)


Name: i2c-rtc-gpio
Expand Down