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Message-ID: <5ivx2nmsr2buq7huiu4rv23lnuzqq3yhhyydhwmi5pz5lrr6ny@w3o6iawiyj64>
Date: Fri, 25 Oct 2024 01:13:40 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Janaki Ramaiah Thota <quic_janathot@...cinc.com>
Cc: Bjorn Andersson <andersson@...nel.org>, 
	Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, quic_mohamull@...cinc.com, 
	quic_hbandi@...cinc.com, linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] arm64: dts: qcom: qcs6490-rb3gen2: enable Bluetooth

On Tue, Oct 22, 2024 at 04:16:00PM +0530, Janaki Ramaiah Thota wrote:
> Add Bluetooth and UART7 support for qcs6490-rb3gen2.
> 
> Signed-off-by: Janaki Ramaiah Thota <quic_janathot@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 122 ++++++++++++++++++-
>  1 file changed, 121 insertions(+), 1 deletion(-)
> 

[...]

>  
> +&uart7 {
> +	status = "okay";
> +	/delete-property/interrupts;
> +	interrupts-extended = <&intc GIC_SPI 608 IRQ_TYPE_LEVEL_HIGH>,
> +				<&tlmm 31 IRQ_TYPE_EDGE_FALLING>;
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-1 = <&qup_uart7_sleep_cts>, <&qup_uart7_sleep_rts>,
> +			<&qup_uart7_sleep_tx>, <&qup_uart7_sleep_rx>;
> +
> +	bluetooth: bluetooth {
> +		compatible = "qcom,wcn6750-bt";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&bt_en>, <&sw_ctrl>;
> +		enable-gpios = <&tlmm 85 GPIO_ACTIVE_HIGH>;
> +		swctrl-gpios = <&tlmm 86 GPIO_ACTIVE_HIGH>;
> +		vddaon-supply = <&vreg_s7b_0p972>;
> +		vddbtcxmx-supply = <&vreg_s7b_0p972>;
> +		vddrfacmn-supply = <&vreg_s7b_0p972>;
> +		vddrfa0p8-supply = <&vreg_s7b_0p972>;
> +		vddrfa1p7-supply = <&vreg_s1b_1p872>;
> +		vddrfa1p2-supply = <&vreg_s8b_1p272>;
> +		vddrfa2p2-supply = <&vreg_s1c_2p19>;
> +		vddasd-supply = <&vreg_l11c_2p8>;

No, this is not correct, these supplies are connected to the on-chip
PMU. Please add PMU node and use pwrseq subsystem to power up the BT.

> +		max-speed = <3200000>;
> +	};
> +};
> +
>  &usb_1 {
>  	status = "okay";
>  };
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
> 

-- 
With best wishes
Dmitry

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