Hi, On Sun, Jul 05, 2020 at 12:51:10PM -0700, Vasily Khoruzhick wrote: > Pinebook has an RTL8723CS WiFi + BT chip, BT is connected to UART1 > and uses PL5 as device wake GPIO, PL6 as host wake GPIO the I2C > controlling signals are connected to R_I2C bus. > > Enable it in the device tree. > > Signed-off-by: Vasily Khoruzhick <anarsoul@xxxxxxxxx> > --- > .../arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts > index 64b1c54f87c0..e63ff271be4e 100644 > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts > @@ -408,6 +408,18 @@ &uart0 { > status = "okay"; > }; > > +&uart1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>; > + status = "okay"; You probably need uart-has-rtscts here > + > + bluetooth { > + compatible = "realtek,rtl8723cs-bt"; > + device-wake-gpios = <&r_pio 0 5 GPIO_ACTIVE_LOW>; /* PL5 */ > + host-wake-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */ > + }; And max-speed I guess? Maxime >