From a2fdc7a590566d99d5261badeecb644664ff0fb3 Mon Sep 17 00:00:00 2001 From: Phil Howard Date: Fri, 29 Mar 2019 10:59:55 +0000 Subject: [PATCH] overlays: Add rv3028 backup switchover support to i2c-rtc Signed-off-by: Phil Howard --- arch/arm/boot/dts/overlays/README | 3 +++ arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts | 1 + 2 files changed, 4 insertions(+) --- a/arch/arm/boot/dts/overlays/README +++ b/arch/arm/boot/dts/overlays/README @@ -1013,6 +1013,9 @@ Params: abx80x Select o wakeup-source Specify that the RTC can be used as a wakeup source + backup-switchover-mode Backup power supply switch mode. Must be 0 for + off or 1 for Vdd < VBackup (RV3028 only) + Name: i2c-rtc-gpio Info: Adds support for a number of I2C Real Time Clock devices --- a/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts +++ b/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts @@ -200,6 +200,7 @@ trickle-resistor-ohms = <&ds1339>,"trickle-resistor-ohms:0", <&abx80x>,"abracon,tc-resistor", <&rv3028>,"trickle-resistor-ohms:0"; + backup-switchover-mode = <&rv3028>,"backup-switchover-mode:0"; wakeup-source = <&ds1339>,"wakeup-source?", <&ds3231>,"wakeup-source?", <&mcp7940x>,"wakeup-source?",