linux-kernel - Re: [PATCH v3] arm64: dts: qcom: qcs6490-rb3gen2: enable Bluetooth

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Message-ID: <dd008ff5-ee2a-47be-8a5b-d4f3a1e2bac3@kernel.org>
Date: Tue, 22 Oct 2024 14:27:32 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Janaki Ramaiah Thota <quic_janathot@...cinc.com>,
 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>
Cc: 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 22/10/2024 12:46, 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(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> index 0d45662b8028..b774d89172ea 100644
> --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> @@ -1,6 +1,6 @@
>  // SPDX-License-Identifier: BSD-3-Clause
>  /*
> - * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
> + * Copyright (c) 2023-2024 Qualcomm Innovation Center, Inc. All rights reserved.
>   */
>  
>  /dts-v1/;
> @@ -31,7 +31,9 @@
>  	chassis-type = "embedded";
>  
>  	aliases {
> +		bluetooth0 = &bluetooth;

Which driver uses this alias?

>  		serial0 = &uart5;
> +		serial1 = &uart7;
>  	};

...


>  };
>  
>  &uart5 {
>  	status = "okay";
>  };
>  
> +&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>;

This could be just one phandle to state node with multiple pins subnode.

> +
> +	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>;
> +		max-speed = <3200000>;

There were warnings in the past. Please confirm that you addressed them
and this is warning free.

Best regards,
Krzysztof