关键词：rockchip,rk1000-codec;
rockchip — rk1000 声卡 dts配置
1、必需属性值设置：
- compatible: 设置为："rockchip,rk1000-codec" - reg : 设置rk1000的i2c地址； - rockchip,spk-en-gpio: 设置speak的使能脚； - rockchip,pa-en-time-ms: 设置pa 使能 dealy 时间(ms). - rockchip,ctl: 指向rk1000的控制器；
2、实例：
Example for rk1000 codec:
rk1000_codec: rk1000-codec@60 {
compatible = "rockchip,rk1000_codec";
reg = <0x60>;
rockchip,spk-en-gpio = <&gpio3 31 GPIO_ACTIVE_LOW>;
rockchip,pa-en-time-ms = <5000>;
rockchip,ctl = <&rk1000_ctl>;
status = "okay";
};