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Thu, 03 Sep 2026 06:43:05 -0700 (PDT) From: Andrea della Porta X-Google-Original-From: Andrea della Porta Date: Thu, 3 Sep 2026 15:46:45 +0200 To: Peter Robinson Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Broadcom internal kernel review list , Stefan Wahren , Phil Elwell , devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Florian Fainelli , Dave Stevenson , Andrea della Porta Subject: Re: [PATCH 2/3] arm64: dts: broadcom: bcm2712: Add thermal monitor Message-ID: References: <20260802145109.728793-1-pbrobinson@gmail.com> <20260802145109.728793-3-pbrobinson@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260802145109.728793-3-pbrobinson@gmail.com> Hi Peter, On 15:50 Sun 02 Aug , Peter Robinson wrote: > The thermal sensors on the bcm2712 (rpi5) are the same > infrastructure as on the bcm2711 (rpi4) so add those > details so we can get thermal monitoring on the device > as it can get quite hot. > > Signed-off-by: Peter Robinson > Cc: Florian Fainelli > Cc: Dave Stevenson --- > arch/arm64/boot/dts/broadcom/bcm2712.dtsi | 32 +++++++++++++++++++++++ > 1 file changed, 32 insertions(+) > > diff --git a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi > index ae1fc9d728c00..c73ed9e066662 100644 > --- a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi > +++ b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi > @@ -508,6 +508,18 @@ hdmi1: hdmi@7c706400 { > ddc = <&ddc1>; > status = "disabled"; > }; > + > + avs_monitor: avs-monitor@7d542000 { > + compatible = "brcm,bcm2711-avs-monitor", > + "syscon", "simple-mfd"; > + reg = <0x7d542000 0xf00>; > + status = "okay"; > + > + thermal: thermal { > + compatible = "brcm,bcm2711-thermal"; > + #thermal-sensor-cells = <0>; > + }; > + }; > }; > > axi: axi { > @@ -724,4 +736,24 @@ hvs: hvs@107c580000 { > interrupt-names = "ch0-eof", "ch1-eof", "ch2-eof"; > status = "disabled"; > }; > + > + thermal-zones { > + cpu_thermal: cpu-thermal { > + polling-delay-passive = <1000>; > + polling-delay = <1000>; > + coefficients = <(-550) 450000>; > + thermal-sensors = <&thermal>; > + > + thermal_trips: trips { > + cpu_crit: cpu-crit { > + temperature = <110000>; > + hysteresis = <0>; > + type = "critical"; > + }; > + }; > + > + cooling_maps: cooling-maps { > + }; > + }; > + }; > }; > -- > 2.55.0 > Doesn't seem to apply cleanly on v7.3-rc1, could you please rebase? Many thanks, Andrea