linux-kernel - Re: [PATCH 1/2] arm64: dts: broadcom: rp1: Add USB nodes

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Message-ID: <f7bb0739-3161-4d70-87e5-8c978a023361@kernel.org>
Date: Thu, 4 Sep 2025 13:05:41 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Andrea della Porta <andrea.porta@...e.com>, Rob Herring
 <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Florian Fainelli <florian.fainelli@...adcom.com>,
 Broadcom internal kernel review list
 <bcm-kernel-feedback-list@...adcom.com>, devicetree@...r.kernel.org,
 linux-rpi-kernel@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org, iivanov@...e.de, svarbanov@...e.de,
 mbrugger@...e.com, Jonathan Bell <jonathan@...pberrypi.com>,
 Phil Elwell <phil@...pberrypi.com>
Subject: Re: [PATCH 1/2] arm64: dts: broadcom: rp1: Add USB nodes

On 28/08/2025 15:50, Andrea della Porta wrote:
> The RaspberryPi 5 has RP1 chipset containing two USB host controller,
> while presenting two USB 2.0 and two USB 3.0 ports to the outside.
> 
> Add the relevant USB nodes to the devicetree.
> 
> Signed-off-by: Andrea della Porta <andrea.porta@...e.com>
> ---
>  arch/arm64/boot/dts/broadcom/rp1-common.dtsi | 28 ++++++++++++++++++++
>  1 file changed, 28 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/broadcom/rp1-common.dtsi b/arch/arm64/boot/dts/broadcom/rp1-common.dtsi
> index 5002a375eb0b..116617fcb1eb 100644
> --- a/arch/arm64/boot/dts/broadcom/rp1-common.dtsi
> +++ b/arch/arm64/boot/dts/broadcom/rp1-common.dtsi
> @@ -39,4 +39,32 @@ rp1_gpio: pinctrl@...d0000 {
>  			     <1 IRQ_TYPE_LEVEL_HIGH>,
>  			     <2 IRQ_TYPE_LEVEL_HIGH>;
>  	};
> +
> +	rp1_usb0: usb@...00000 {
> +		reg = <0x00 0x40200000  0x0 0x100000>;
> +		compatible = "snps,dwc3";
Please order properties and nodes according to DTS coding style.

Best regards,
Krzysztof