OrangePi_CM5/arch/arm64/boot/dts/rockchip/overlay/rk3588-spi4-m0-cs1-spidev.dts

/dts-v1/;
/plugin/;

/ {
	fragment@0 {
		target = <&spi4>;

		__overlay__ {
			status = "okay";
			#address-cells = <1>;
			#size-cells = <0>;
			pinctrl-names = "default";
			pinctrl-0 = <&spi4m0_cs1 &spi4m0_pins>;

			spidev@1 {
				compatible = "rockchip,spidev";
				status = "okay";
				reg = <1>;
				spi-max-frequency = <50000000>;
			};
		};
	};
};