diff options
| author | Peter Robinson <pbrobinson@gmail.com> | 2026-08-02 15:50:53 +0100 |
|---|---|---|
| committer | Florian Fainelli <florian.fainelli@broadcom.com> | 2026-09-04 11:11:55 -0700 |
| commit | dfc412296ada39c396393b3dcdf2671fa6ee12ff (patch) | |
| tree | e55fc8248b1353f11508575f58a4e08d0a623c28 | |
| parent | 84b593c040a13fcb3e8b9048b6e04013544819a8 (diff) | |
arm64: dts: broadcom: bcm2712: Add thermal monitor
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>
Link: https://lore.kernel.org/r/20260802145109.728793-3-pbrobinson@gmail.com
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
| -rw-r--r-- | arch/arm64/boot/dts/broadcom/bcm2712.dtsi | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi index f48304047cd0..526d6c0ad751 100644 --- a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi +++ b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi @@ -508,6 +508,18 @@ 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 { @@ -722,4 +734,24 @@ 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 { + }; + }; + }; }; |