关键词：rk3399; devinfo; reserved memory;rockchip,stb-devinfo;
rk3399 — reserved memory dts配置
1、reserved memory 主要是为了静态分配一块内存作为了预留；
2、属性值配置：
- compatible: 配置成： "rockchip,stb-devinfo" - reg: 内存块定义
3、以rk3399为例：
Example:
-----
/* RK3399 */
reserved-memory {
#address-cells = <2>;
#size-cells = <2>;
ranges;
...
stb_devinfo: stb-devinfo@00000000 {
compatible = "rockchip,stb-devinfo";
reg = <0x0 0x0 0x0 0x0>;
};
};