1* Rockchip 4g modem device tree bindings 2 3Required properties: 4- compatible : "4g-modem-platdata" 5 6Optional properties: 7- 4G,vbat-gpio : 4g modem vbat gpio 8- 4G,power-gpio : 4g modem power enable/disable gpio 9- 4G,reset-gpio : 4g modem reset gpio 10 11Example: 12 13 4G-Modem { 14 compatible="4g-modem-platdata"; 15 4G,vbat-gpio = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>; 16 4G,power-gpio = <&gpio0 RK_PC0 GPIO_ACTIVE_LOW>; 17 4G,reset-gpio = <&gpio0 RK_PB7 GPIO_ACTIVE_LOW>; 18 } 19