触觉智能RK3562开发板 GT911触摸DTS配置文件解析

--- a/device/rockchip/rk356x/rk3566_r/rk3566_r.mk+++ b/device/rockchip/rk356x/rk3566_r/rk3566_r.mk@@ -46,4 +46,5 @@ PRODUCT_PROPERTY_OVERRIDES += persist.bt.power.down=true PRODUCT_PROPERTY_OVERRIDES += persist.sys.timezone=Asia/Shanghai PRODUCT_PROPERTY_OVERRIDES += ro.vendor.hdmirotationlock=true #PRODUCT_PROPERTY_OVERRIDES += vendor.hwc.device.primary=HDMI-A-1PRODUCT_PROPERTY_OVERRIDES += vendor.hwc.device.primary=DSI+PRODUCT_PROPERTY_OVERRIDES += persist.sys.def_launherpag=com.mdptech.neuronappandroidhu

&i2c3 {        status = "okay";        //是该设备的标签（label），用于在设备树的其他部分或内核代码中引用这个设备。表示这个设备在I2C总线上的地址是0x14        gt911@14 {                  //设备型号,通过设备型号去寻找对应的驱动程序                compatible = "goodix,gt9xx";                            //设备物理地址                reg = <0x14>;                //客户端                //引脚的复用(pinctrl子系统)                pinctrl-names = "default";                //pinctrl-0对应defualt状态，<&touch_gpio>节点，此节点存放的对应状态的引脚配置                pinctrl-0 = <&touch_gpio>;                //触摸屏的中断GPIO，使用GPIO0的第6引脚(RK_PB6)，触发类型为低电平触发                goodix_irq_gpio = <&gpio0 RK_PB6 IRQ_TYPE_LEVEL_LOW>;                  //触摸屏控制器的GPIO，使用GPIO的第5引脚(RK_PB5)，复位信号为高电平触发                goodix_rst_gpio = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;                touchscreen-swapped-x-y;                touchscreen-inverted-y;                status = "okay";        };};//编写pinctrl节点&pinctrl {        //服务端        touch {                touch_gpio: touch-gpio {                        //rockchip,pins属性代表着引脚的复用关系以及电气属性                        rockchip,pins =                        //将GPIO 0中的B6设置为了GPIO功能，RK_FUNC_GPIO是一个宏，设置电气属性                                <0 RK_PB6 RK_FUNC_GPIO &pcfg_pull_up>,                                <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;                };        };};