一.dts 配置
1.1.触摸屏 TP 的配置
2.1.原理图
a.复位脚
b.中断脚
2.3. dts
diff --git a/kernel/arch/arm/boot/dts/rk3128-zk-r31a.dts b/kernel/arch/arm/boot/dts/rk3128-zk-r31a.dts index 467ad8a..eb08cf0 100755 --- a/kernel/arch/arm/boot/dts/rk3128-zk-r31a.dts +++ b/kernel/arch/arm/boot/dts/rk3128-zk-r31a.dts @@ -187,7 +187,20 @@ compatible = "rtc,hym8563"; reg = <0x51>; //irq_gpio = <&gpio0 GPIO_D3 IRQ_TYPE_EDGE_FALLING>; - }; + }; + + goodix@14 { + + status = "okay"; + + compatible = "goodix,gt9xx"; + reg = <0x14>; + max-x = <1280>; + max-y = <800>; + tp-size= <101>; + touch-gpio = <&gpio3 GPIO_D2 IRQ_TYPE_LEVEL_LOW>; + reset-gpio = <&gpio2 GPIO_A4 GPIO_ACTIVE_HIGH>; + }; };
二.驱动
2.1. #define GTP_DRIVER_SEND_CFG 0 记得定义成0
2.2.驱动添加 kerneldriversinput ouchscreengt9xx
三.adb getevent