From: Daniel Schultz <d.schultz@xxxxxxxxx> Be default, R511 iand D19 are not populated on our phyBOARD-Electra. This resistor and diode connect VCC_3V3_SW with VBAT and permantly charge the RTC battery. Enable trickle charge to charge the battery through the RTC. Signed-off-by: Daniel Schultz <d.schultz@xxxxxxxxx> Signed-off-by: Wadim Egorov <w.egorov@xxxxxxxxx> --- arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts b/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts index 30729b49dd69..fec917fa067c 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts @@ -198,6 +198,10 @@ AM64X_IOPAD(0x0040, PIN_OUTPUT, 7) /* (U21) GPMC0_AD1.GPIO0_16 */ }; }; +&i2c_som_rtc { + trickle-resistor-ohms = <3000>; +}; + &main_i2c1 { status = "okay"; pinctrl-names = "default"; -- 2.34.1