A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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ARM: dts: meson8b: ec100: enable the RTC

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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 <[email protected]>
Signed-off-by: Kevin Hilman <[email protected]>
This commit is contained in:
Martin Blumenstingl 2019-04-13 18:34:22 +02:00 • committed by Kevin Hilman
commit 6ffdc4738c
1 changed files with 14 additions and 0 deletions
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14
arch/arm/boot/dts/meson8b-ec100.dts
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@ -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";