Re: [PATCH 3/7] arm64: dts: qcom: msm8998-xperia: Add support for wcn3990 Bluetooth

[Dmitry Baryshkov]

On 03/09/2021 21:09, AngeloGioacchino Del Regno wrote:
> This platform uses the WCN3990 Bluetooth chip, reachable on UART-3.
>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxxx>
> Reviewed-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
> ---
>   .../dts/qcom/msm8998-sony-xperia-yoshino.dtsi   | 17 +++++++++++++++++
>   1 file changed, 17 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi b/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi
> index 2fe53e4675d5..66b009ba72fe 100644
> --- a/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi
> @@ -179,6 +179,23 @@ &blsp1_i2c5_sleep {
>   	bias-disable;
>   };
>   
> +&blsp1_uart3 {
> +	status = "okay";
> +
> +	bluetooth {
> +		compatible = "qcom,wcn3990-bt";
> +
> +		vddio-supply = <&vreg_s4a_1p8>;
> +		vddxo-supply = <&vreg_l7a_1p8>;
> +		vddrf-supply = <&vreg_l17a_1p3>;
> +		vddch0-supply = <&vreg_l25a_3p3>;
> +		max-speed = <3200000>;
> +
> +		clocks = <&rpmcc RPM_SMD_RF_CLK2_PIN>;
> +	};
> +};

There is an ongoing proposal to rework wcn3990 (bt and wifi) bindings, 
so we might want to delay this a bit. Not a strict requirement, since 
the changes would be backwards-compatible.


--
With best wishes
Dmitry