linux-kernel - Re: [PATCH v3 02/11] arm64: dts: qcom: sdm845-lg-common: Add uarts and Bluetooth

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Message-ID: <6zfmjxpnruh3njx5ts2f7h6zsegvks52izchzj2jaciprdvnly@nnyvivpmehkh>
Date: Sat, 4 Oct 2025 00:35:01 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Paul Sajna <sajattack@...tmarketos.org>
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>, David Heidelberg <david@...t.cz>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, phone-devel@...r.kernel.org,
        Amir Dahan <system64fumo@...tonmail.com>,
        Christopher Brown <crispybrown@...il.com>
Subject: Re: [PATCH v3 02/11] arm64: dts: qcom: sdm845-lg-common: Add uarts
 and Bluetooth

On Sun, Sep 28, 2025 at 10:05:25PM -0700, Paul Sajna wrote:
> uart9 is debug serial on USB SBU1/2
> 
> UART RX is SBU1 and UART TX is SBU2 of the USB-C port).
> 1.8V Logic Level
> Tested using pololu usb07a https://www.pololu.com/product/2585
> and CH340 USB-UART
> 
> uart6 is bluetooth
> 
> Add bluetooth firmware path
> 
> Signed-off-by: Paul Sajna <sajattack@...tmarketos.org>
> ---
>  arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi | 45 ++++++++++++++++++++++++++
>  arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts  |  8 +++++
>  2 files changed, 53 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
> index 82d6543835324ed92300c4ed24c51f4b79321f99..4c631df56f262ba9e730f6720abd94d374b14692 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
> @@ -27,10 +27,17 @@
>  /delete-node/ &wlan_msa_mem;
>  
>  / {
> +	aliases {
> +		serial0 = &uart9;
> +		serial1 = &uart6;
> +	};
> +
>  	chosen {
>  		#address-cells = <2>;
>  		#size-cells = <2>;
>  		ranges;
> +
> +		stdout-path = "serial0:115200n8";
>  	};
>  
>  	reserved-memory {
> @@ -595,3 +602,41 @@ &usb_1_qmpphy {
>  
>  	status = "okay";
>  };
> +
> +&qupv3_id_0 {

Hmm, I r-b'd the patch, but I was too quick. Please keep the nodes
sorted. qupv3 comes before usb (and maybe before some other nodes).

> +	status = "okay";
> +};
> +
-- 
With best wishes
Dmitry