linux-kernel - Re: [PATCH v4 6/6] arm64: dts: qcom: qrb2210-rb1: add Bluetooth support

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Message-ID: <6e5bb2f7-a23b-4fab-914b-e67911eaf408@oss.qualcomm.com>
Date: Tue, 11 Feb 2025 15:52:24 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Marcel Holtmann <marcel@...tmann.org>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        Rob Herring
 <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Balakrishna Godavarthi <quic_bgodavar@...cinc.com>,
        Rocky Liao <quic_rjliao@...cinc.com>,
        Bjorn Andersson
 <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-bluetooth@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH v4 6/6] arm64: dts: qcom: qrb2210-rb1: add Bluetooth
 support

On 7.02.2025 9:41 PM, Dmitry Baryshkov wrote:
> Add support for the onboard WCN3950 BT/WiFi chip. Corresponding firmware
> has been merged to linux-firmware and should be available in the next
> release.
> 
> Bluetooth: hci0: setting up wcn399x
> Bluetooth: hci0: QCA Product ID   :0x0000000f
> Bluetooth: hci0: QCA SOC Version  :0x40070120
> Bluetooth: hci0: QCA ROM Version  :0x00000102
> Bluetooth: hci0: QCA Patch Version:0x00000001
> Bluetooth: hci0: QCA controller version 0x01200102
> Bluetooth: hci0: QCA Downloading qca/cmbtfw12.tlv
> Bluetooth: hci0: QCA Downloading qca/cmnv12.bin
> Bluetooth: hci0: QCA setup on UART is completed
> 
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> ---

[...]

> +&uart3 {
> +	/delete-property/ interrupts;
> +	interrupts-extended = <&intc GIC_SPI 330 IRQ_TYPE_LEVEL_HIGH>,
> +			      <&tlmm 11 IRQ_TYPE_LEVEL_HIGH>;
> +	pinctrl-0 = <&uart3_default>;
> +	pinctrl-1 = <&uart3_sleep>;
> +	pinctrl-names = "default", "sleep";
> +
> +	status = "okay";
> +
> +	bluetooth {
> +		compatible = "qcom,wcn3950-bt";
> +
> +		vddio-supply = <&pm4125_l15>;
> +		vddxo-supply = <&pm4125_l13>;
> +		vddrf-supply = <&pm4125_l10>;
> +		vddch0-supply = <&pm4125_l22>;
> +		enable-gpios = <&tlmm 87 GPIO_ACTIVE_HIGH>;
> +		max-speed = <3200000>;

I suppose we don't need a power sequencer for this smaller,
tightly-integrated-via-snoc chip?

Konrad