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SubjectRe: [PATCH] arm64: allwinner: Enable Bluetooth and WiFi on sopine baseboard
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@alistair23.me>
> ---
> .../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

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

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

Maxime

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