VS-RK3399板卡—U9300C使用说明

视壮T_19928853549

VS-RK3399板卡—U9300C使用说明 驱动部分： 1.dts配置 kernel/arch/arm64/boot/dts/rockchip/rk3399-videostrong-board-mipi.dts(edp:rk3399-videostrong- board-edp.dts) vsgpio_set { compatible = "videostrong,gpio"; pinctrl-names = "default"; pinctrl-0 = <&b3G_gpio>; // 3G_power = <&gpio0 2 GPIO_ACTIVE_HIGH>; 3G_power = <&gpio0 2 GPIO_ACTIVE_LOW>; 3G_Spk_GP = <&gpio0 11 GPIO_ACTIVE_HIGH>; status = "okay"; }; 2.添加vid/pid kernel/drivers/usb/serial/option.c 添加PID #define FOUR_G_SYSTEMS_PRODUCT_U9300  0x9b3c 添加blacklist static const struct option_blacklist_info four_g_u9300_blacklist = { .reserved = BIT(4), }; 在option_ids数组中添加U9300模块 { USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_U9300), .driver_info = (kernel_ulong_t)&four_g_u9300_blacklist }, 系统部分 1.init.rc中添加服务 service ril-daemon /system/bin/rild class main socket rild stream 660 root radio socket rild-debug stream 666 radio system socket sap_uim_socket1 stream 660 bluetooth bluetooth socket rild-debug stream 660 radio system user root group radio cache inet misc audio sdcard_rw log 2.build.prop #rild.libpath=/system/lib/libril-rk29-dataonly.so #rild.libargs=-d /dev/ttyACM0 rild.libpath=/system/lib64/libreference-ril-u9300-64bit.so rild.libargs=-d /dev/ttyUSB2 3.将libreference-ril-u9300-64bit.so放到system/lib64下面