@@ -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";
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 <martin.blumenstingl@googlemail.com> --- arch/arm/boot/dts/meson8b-ec100.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+)