sdio0设备节点已经在arch/arm64/boot/dts/rockchip/rk3399.dtsi文件中定义,在根节点下我们可以找到: sdio0: dwmmc@fe310000 { compatible="rockchip,rk3399-dw-mshc","rockchip,rk3288-dw-mshc"; reg= <0x00xfe3100000x00x4000>; interrupts= <GIC_SPI64IRQ_TYPE_LEVEL_HIGH0>; max-frequency = <150...
compatible = "rockchip,PX30-dw-mshc", "rockchip,RK3288-dw-mshc";reg = <0x0 0xff390000 0x...