From: Andrea della Porta <andrea.porta@suse.com>
To: Peter Robinson <pbrobinson@gmail.com>
Cc: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Broadcom internal kernel review list
<bcm-kernel-feedback-list@broadcom.com>,
Stefan Wahren <wahrenst@gmx.net>,
Phil Elwell <phil@raspberrypi.com>,
devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
Florian Fainelli <florian.fainelli@broadcom.com>,
Dave Stevenson <dave.stevenson@raspberrypi.com>,
Andrea della Porta <andrea.porta@suse.com>
Subject: Re: [PATCH 2/3] arm64: dts: broadcom: bcm2712: Add thermal monitor
Date: Thu, 3 Sep 2026 15:46:45 +0200 [thread overview]
Message-ID: <apl6RddLcPz8Q2-O@apocalypse> (raw)
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 <pbrobinson@gmail.com>
> Cc: Florian Fainelli <florian.fainelli@broadcom.com>
> Cc: Dave Stevenson <dave.stevenson@raspberrypi.com
> ---
> 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
next prev parent reply other threads:[~2026-09-03 13:43 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-02 14:50 [PATCH 0/3] Some minor RPi5 bits Peter Robinson
2026-08-02 14:50 ` [PATCH 1/3] arm64: dts: broadcom: bcm2712: add arm PMU Peter Robinson
2026-09-03 14:28 ` Andrea della Porta
2026-08-02 14:50 ` [PATCH 2/3] arm64: dts: broadcom: bcm2712: Add thermal monitor Peter Robinson
2026-09-03 13:46 ` Andrea della Porta [this message]
2026-09-03 18:42 ` Peter Robinson
2026-09-03 18:47 ` Stefan Wahren
2026-09-03 18:55 ` Florian Fainelli
2026-09-03 20:55 ` Peter Robinson
2026-09-03 21:17 ` Florian Fainelli
2026-09-03 21:34 ` Peter Robinson
2026-08-02 14:50 ` [PATCH 3/3] arm64: dts: broadcom: bcm2712: Add USB OTG port Peter Robinson
2026-09-03 13:45 ` Andrea della Porta
2026-09-03 20:10 ` Florian Fainelli
2026-09-02 8:49 ` [PATCH 0/3] Some minor RPi5 bits Peter Robinson
2026-09-03 20:09 ` Florian Fainelli
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