软件驱动与应用开发-RK3588实战

一、RK3588设备树关键配置

1.1 I2C与SPI引脚复用配置

dts

// 文件: rk3588-smart-monitor.dts / { // I2C2: 使用GPIO4_B1/B2 (功能3) &i2c2 { status = "okay"; clock-frequency = <400000>; pinctrl-0 = <&i2c2m0_xfer>; pinctrl-names = "default"; aht10: sensor@38 { compatible = "aosong,aht10"; reg = <0x38>; }; }; // SPI0: 使用GPIO3_B4~B7 (功能3) &spi0 { status = "okay"; pinctrl-0 = <&spi0m0_cs0 &spi0m0_pins>; pinctrl-names = "default"; #address-cells = <1>; #size-cells = <0>; flash@0 { compatible = "winbond,w25q64"; reg = <0>; spi-max-frequ