config BR2_PACKAGE_LVGL_KIT bool "lvgl demo sofeware" select BR2_PACKAGE_LIBDRM select BR2_PACKAGE_LIBXKBCOMMON help lvgl v8.2 demo sofeware transplant by loongson(GD). just use libxkbcommon and libdrm. work in linux + rootfs(which not X). it just a demo sofeware not any func in this sofeware. you can input lvgl_demo in shell to work it. config BR2_PACKAGE_TOUCH_SCREEN_MAP_VALUE bool "touch screen xy map logic enable" default n depends on BR2_PACKAGE_LVGL_KIT help if board use screen report the xy value bigger than screen pixel. may be you need check this property. and write down the max report value in BR2_PACKAGE_TOUCH_SCREEN_MAP_VALUE_X(Y). and it will create file which path is /etc/lvgl_config. and file have two property abs_x_calu_max=xxx abs_y_calu_max=xxx xxx from BR2_PACKAGE_TOUCH_SCREEN_MAP_VALUE_X(Y) e.g. abs_x_calu_max=16384 abs_y_calu_max=16384 if touch screen report value is one to one screen pixel you need check this property. config BR2_PACKAGE_TOUCH_SCREEN_MAP_VALUE_X string "touch screen x map max value" default "16384" depends on BR2_PACKAGE_TOUCH_SCREEN_MAP_VALUE help this property is touch screen report x max value config BR2_PACKAGE_TOUCH_SCREEN_MAP_VALUE_Y string "touch screen y map max value" default "16384" depends on BR2_PACKAGE_TOUCH_SCREEN_MAP_VALUE help this property is touch screen report y max value