linux-kernel - Re: [PATCH] arm64: dts: meson-gxbb: nanopi-k2: Enable Bluetooth

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Message-ID: <509d541c-a91a-a1f0-e37f-b239f1d3219b@baylibre.com>
Date:   Thu, 29 Apr 2021 09:09:17 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Chen-Yu Tsai <wens@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc:     Chen-Yu Tsai <wens@...e.org>, devicetree@...r.kernel.org,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: meson-gxbb: nanopi-k2: Enable Bluetooth

On 29/04/2021 08:08, Chen-Yu Tsai wrote:
> From: Chen-Yu Tsai <wens@...e.org>
> 
> The NanoPi K2 has a AP6212 WiFi+BT combo module. The WiFi portion is
> already enabled. The BT part is connected via UART and I2S.
> 
> Enable the UART and add a device node describing the Bluetooth portion
> of the module.
> 
> Signed-off-by: Chen-Yu Tsai <wens@...e.org>
> ---
>  arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts | 12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts
> index 7273eed5292c..10f48fb1af61 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts
> @@ -385,9 +385,19 @@ &uart_AO {
>  
>  /* Bluetooth on AP6212 */
>  &uart_A {
> -	status = "disabled";
> +	status = "okay";
>  	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
>  	pinctrl-names = "default";
> +
> +	bluetooth {
> +		compatible = "brcm,bcm43438-bt";
> +		clocks = <&wifi_32k>;
> +		clock-names = "lpo";
> +		vbat-supply = <&vddio_ao3v3>;
> +		vddio-supply = <&vddio_ao18>;
> +		host-wakeup-gpios = <&gpio GPIOX_21 GPIO_ACTIVE_HIGH>;
> +		shutdown-gpios = <&gpio GPIOX_20 GPIO_ACTIVE_HIGH>;
> +	};
>  };
>  
>  /* 40-pin CON1 */
> 

Thanks !

Reviewed-by: Neil Armstrong <narmstrong@...libre.com>