查看底板触摸屏的原理找到中断gpio
编写设备树
/dts-v1/; /include/ "dt-bindings/pinctrl/rockchip.h" /include/ "dt-bindings/interrupt-controller/irq.h" / { model = "this is my test devicetree!"; ft5x06@38 { compatible = "edt,edt-ft5206"; interrupt-parent = <&gpio0>; interrupts = <RK_PB5 IRQ_TYPE_EDGE_FALLING>; }; };compatible对应drivers/input/touchscreen/edt-ft5x06.c
gpio0对应arch/arm64/boot/dts/rockchip/rk356x-base.dtsi
RK_PB5对应include/dt-bindings/pinctrl/rockchip.h
IRQ_TYPE_EDGE_FALLING对应include/dt-bindings/interrupt-controller/irq.h
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