/dts-v1/; /plugin/; / { metadata { title = "Enable spidev on SPI1-M1 over CS0"; compatible = "radxa,rock-5b"; category = "misc"; exclusive = "GPIO3_C2", "GPIO3_C1", "GPIO3_B7", "GPIO3_C0"; description = "Enable spidev on SPI1-M1 over CS0."; }; fragment@0 { target = <&spi1>; __overlay__ { status = "okay"; #address-cells = <1>; #size-cells = <0>; pinctrl-names = "default"; pinctrl-0 = <&spi1m1_cs0 &spi1m1_pins>; max-freq = <50000000>; spidev@0 { compatible = "rockchip,spidev"; status = "okay"; reg = <0>; spi-max-frequency = <50000000>; }; }; }; };