RK 3128 调触摸屏 TP GT9XX

 

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

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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 kernel\drivers\input\touchscreen\gt9xx　

三.adb getevent