linux-kernel - Re: [PATCH 4/4] arm64: dts: broadcom: bcm2712: Add watchdog DT node

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Message-ID: <88c3c5a1-1b51-4b08-8b01-803659e9b1a0@broadcom.com>
Date: Sun, 26 Oct 2025 13:21:31 -0700
From: Florian Fainelli <florian.fainelli@...adcom.com>
To: Stanimir Varbanov <svarbanov@...e.de>, linux-kernel@...r.kernel.org,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-rpi-kernel@...ts.infradead.org,
 Broadcom internal kernel review list
 <bcm-kernel-feedback-list@...adcom.com>, linux-pm@...r.kernel.org
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Ray Jui <rjui@...adcom.com>,
 Scott Branden <sbranden@...adcom.com>, Lee Jones <lee@...nel.org>,
 Ulf Hansson <ulf.hansson@...aro.org>,
 Willow Cunningham <willow.e.cunningham@...il.com>,
 Stefan Wahren <wahrenst@....net>, Saenz Julienne <nsaenz@...nel.org>,
 Andrea della Porta <andrea.porta@...e.com>,
 Phil Elwell <phil@...pberrypi.com>, Jonathan Bell
 <jonathan@...pberrypi.com>, Dave Stevenson <dave.stevenson@...pberrypi.com>
Subject: Re: [PATCH 4/4] arm64: dts: broadcom: bcm2712: Add watchdog DT node



On 9/16/2025 11:32 PM, Stanimir Varbanov wrote:
> Add watchdog device-tree node for bcm2712 SoC.
> 
> Signed-off-by: Stanimir Varbanov <svarbanov@...e.de>
> ---
>   arch/arm64/boot/dts/broadcom/bcm2712.dtsi | 9 +++++++++
>   1 file changed, 9 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
> index 0a9212d3106f..3094a8e69f35 100644
> --- a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
> +++ b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
> @@ -243,6 +243,15 @@ uart10: serial@...01000 {
>   			status = "disabled";
>   		};
>   
> +		pm: watchdog@...00000 {
> +			compatible = "brcm,bcm2712-pm", "brcm,bcm2835-pm-wdt";
> +			reg = <0x7d200000 0x308>;

The register actually spans up to offset 0x600, so the register size 
would be 0x604 here.
-- 
Florian