Enable RTC PCF8563 node on Odroid-N2 SBC, In order
to support the RTC wakealarm feature for suspend and resume.

Cc: Neil Armstrong <redacted>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Anand Moon <redacted>
---
changes v2
--Fix the missing INT (GPIOA.BIT7) pinctrl.
--Fix the missing rtcwakeup.
--Drop the clock not required clock property by the PCF8563 driver.
---
 .../arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
index 34fffa6d859d..f08ae1b337ad 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts

@@ -477,6 +477,19 @@ hdmi_tx_tmds_out: endpoint {
 	};
 };
 
+&i2c3 {
+	pinctrl-0 = <&i2c3_sda_a_pins>, <&i2c3_sck_a_pins>;
+	pinctrl-1 = <&tdm_c_din3_a_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	rtc: rtc@51 {
+		reg = <0x51>;
+		compatible = "nxp,pcf8563";
+		wakeup-source;
+	};
+};
+
 &ir {
 	status = "okay";
 	pinctrl-0 = <&remote_input_ao_pins>;

-- 
2.28.0


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