Re: [PATCH] arm64: allwinner: Enable Bluetooth and WiFi on sopine baseboard

From: Alistair
Date: Mon Dec 09 2019 - 19:57:17 EST


On Mon, Dec 9, 2019, at 11:37 AM, Maxime Ripard wrote:
> On Sat, Dec 07, 2019 at 11:22:49AM -0800, Alistair Francis wrote:
> > The sopine board has an optional RTL8723BS WiFi + BT module that can be
> > connected to UART1. Add this to the device tree so that it will work for
> > users if connected.
> >
> > Signed-off-by: Alistair Francis <alistair@xxxxxxxxxxxxx>
> > ---
> > .../dts/allwinner/sun50i-a64-sopine-baseboard.dts | 14 ++++++++++++++
> > 1 file changed, 14 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
> > index 920103ec0046..0a91f9d8ed47 100644
> > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
> > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
> > @@ -214,6 +214,20 @@ &uart0 {
> > status = "okay";
> > };
> >
> > +&uart1 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
> > + status = "okay";
> > +
> > + bluetooth {
> > + compatible = "realtek,rtl8723bs-bt";
> > + reset-gpios = <&r_pio 0 4 GPIO_ACTIVE_LOW>; /* PL4 */
> > + device-wake-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
> > + host-wake-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
> > + firmware-postfix = "pine64";
> > + };
> > +};
> > +
>
> Output from checkpatch:
> total: 10 errors, 11 warnings, 0 checks, 20 lines checked

Sorry, I should have checked that before I posted.

>
> More importantly, that binding isn't documented, and doesn't have a
> driver either.

Ah, I confused myself.

I have some patches that will fix this, but from below it looks like someone else beat me to it.

>
> I guess you want to have a look at:
> https://www.spinics.net/lists/arm-kernel/msg771488.html

Thanks for pointing this out. I will just wait for this to be merged before trying again.

Alistair

>
> Maxime
>