--- a/arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts	2023-11-08 14:09:07.000000000 +0100
+++ b/arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts	2024-01-22 07:31:14.949550828 +0100
@@ -20,6 +20,11 @@
 
 	chosen {
 		stdout-path = "serial2:1500000n8";
+
+		infix {
+			/* Default admin user password: 'admin' */
+			factory-password-hash = "$5$mI/zpOAqZYKLC2WU$i7iPzZiIjOjrBF3NyftS9CCq8dfYwHwrmUK097Jca9A";
+		};
 	};
 
 	gmac_clk: gmac-clock {
