Enable RTC support for the 100ASK DshanPi A1 board.

Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
---
 .../arm64/boot/dts/rockchip/rk3576-100ask-dshanpi-a1.dts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3576-100ask-dshanpi-a1.dts b/arch/arm64/boot/dts/rockchip/rk3576-100ask-dshanpi-a1.dts
index d23c87fe6a9d..b19f9b6be6bf 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-100ask-dshanpi-a1.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-100ask-dshanpi-a1.dts
@@ -655,6 +655,15 @@ regulator-state-mem {
 	};
 };
 
+&i2c2 {
+	status = "okay";
+
+	rtc@68 {
+		compatible = "dallas,ds1338";
+		reg = <0x68>;
+	};
+};
+
 &i2c4 {
 	status = "okay";
 
-- 
2.25.1