From 6ffdc4738c5a8856afc46da92453fe7c086f1eaa Mon Sep 17 00:00:00 2001 From: Martin Blumenstingl Date: Sat, 13 Apr 2019 18:34:22 +0200 Subject: ARM: dts: meson8b: ec100: enable the RTC The RTC is always enabled on this board since the battery is already connected in the factory. According to the schematics the VCC_RTC regulator (which is either powered by the internal 3.3V or a battery) is connected to the 0.9V RTC_VDD input of the SoCs. Signed-off-by: Martin Blumenstingl Signed-off-by: Kevin Hilman --- arch/arm/boot/dts/meson8b-ec100.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'arch/arm/boot/dts/meson8b-ec100.dts') diff --git a/arch/arm/boot/dts/meson8b-ec100.dts b/arch/arm/boot/dts/meson8b-ec100.dts index 3ca9638fad09..9bf4249cb60d 100644 --- a/arch/arm/boot/dts/meson8b-ec100.dts +++ b/arch/arm/boot/dts/meson8b-ec100.dts @@ -88,6 +88,14 @@ }; }; + rtc32k_xtal: rtc32k-xtal-clk { + /* X2 in the schematics */ + compatible = "fixed-clock"; + clock-frequency = <32768>; + clock-output-names = "RTC32K"; + #clock-cells = <0>; + }; + usb_vbus: regulator-usb-vbus { /* * Silergy SY6288CCAC-GP 2A Power Distribution Switch. @@ -347,6 +355,12 @@ clock-names = "clkin0"; }; +&rtc { + status = "okay"; + clocks = <&rtc32k_xtal>; + vdd-supply = <&vcc_rtc>; +}; + /* exposed through the pin headers labeled "URDUG1" on the top of the PCB */ &uart_AO { status = "okay"; -- cgit v1.2.3