kernel/arch/arm/boot/dts/rk3308-dot-rk816-v10-aarch32.dts
.. .. @@ -406,6 +406,12 @@ 406 406 }; 407 407 }; 408 408 409 + wireless-bluetooth {410 + uart4_gpios: uart4-gpios {411 + rockchip,pins = <4 RK_PA7 RK_FUNC_GPIO &pcfg_pull_none>;412 + };413 + };414 +409 415 wireless-wlan { 410 416 wifi_wake_host: wifi-wake-host { 411 417 rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;