diff --git a/arch/arm64/boot/dts/rockchip/rk3568.dtsi b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
index 9dc057637177..b973ece3f720 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
@@ -2844,6 +2844,7 @@
 		pinctrl-names = "default", "high_speed";
 		pinctrl-0 = <&spi0m0_cs0 &spi0m0_cs1 &spi0m0_pins>;
 		pinctrl-1 = <&spi0m0_cs0 &spi0m0_cs1 &spi0m0_pins_hs>;
+		num-cs = <2>;
 		status = "disabled";
 	};
 
@@ -2860,6 +2861,7 @@
 		pinctrl-names = "default", "high_speed";
 		pinctrl-0 = <&spi1m0_cs0 &spi1m0_cs1 &spi1m0_pins>;
 		pinctrl-1 = <&spi1m0_cs0 &spi1m0_cs1 &spi1m0_pins_hs>;
+		num-cs = <2>;
 		status = "disabled";
 	};
 
@@ -2876,6 +2878,7 @@
 		pinctrl-names = "default", "high_speed";
 		pinctrl-0 = <&spi2m0_cs0 &spi2m0_cs1 &spi2m0_pins>;
 		pinctrl-1 = <&spi2m0_cs0 &spi2m0_cs1 &spi2m0_pins_hs>;
+		num-cs = <2>;
 		status = "disabled";
 	};
 
@@ -2892,6 +2895,7 @@
 		pinctrl-names = "default", "high_speed";
 		pinctrl-0 = <&spi3m0_cs0 &spi3m0_cs1 &spi3m0_pins>;
 		pinctrl-1 = <&spi3m0_cs0 &spi3m0_cs1 &spi3m0_pins_hs>;
+		num-cs = <2>;
 		status = "disabled";
 	};