On 24/01/2023 11:51, Jon Hunter wrote:
From: Yi-Wei Wang <yiweiw@xxxxxxxxxx> Add the BPMP thermal device node and thermal-zones for Tegra234 and enable thermal support for the Tegra234 Jetson AGX Orin board. Signed-off-by: Yi-Wei Wang <yiweiw@xxxxxxxxxx> Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx> --- .../boot/dts/nvidia/tegra234-p3701-0000.dtsi | 276 ++++++++++++++++++ .../nvidia/tegra234-p3737-0000+p3701-0000.dts | 32 ++ arch/arm64/boot/dts/nvidia/tegra234.dtsi | 59 ++++ 3 files changed, 367 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi index 2378da324273..7f798742df43 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi @@ -80,6 +80,22 @@ pmc@c360000 { }; };+ bpmp {+ i2c { + tegra_tmp451: thermal-sensor@4c { + compatible = "ti,tmp451"; + reg = <0x4c>; + vcc-supply = <&vdd_1v8_ao>; + #thermal-sensor-cells = <1>; + status = "okay"; + }; + }; + + thermal { + status = "okay"; + }; + }; + vdd_5v0_sys: regulator-vdd-5v0-sys { compatible = "regulator-fixed"; regulator-name = "VIN_SYS_5V0"; @@ -139,4 +155,264 @@ vdd_12v_pcie: regulator-vdd-12v-pcie { gpio = <&gpio TEGRA234_MAIN_GPIO(A, 1) GPIO_ACTIVE_LOW>; regulator-boot-on; }; + + thermal-zones { + cpu-thermal { + polling-delay = <1000>; + polling-delay-passive = <1000>; + thermal-sensors = <&{/bpmp/thermal} TEGRA234_THERMAL_ZONE_CPU>; + status = "okay"; + + trips { + cpu_sw_shutdown: cpu-sw-shutdown { + temperature = <104500>; + hysteresis = <0>; + type = "critical"; + }; + + cpu_sw_throttle: cpu-sw-throttle { + temperature = <99000>; + hysteresis = <0>; + type = "passive"; + }; + }; + + cooling-maps { + map0 { + trip = <&cpu_sw_throttle>; + cooling-device = <&cpu0_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu1_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu2_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; + + gpu-thermal { + polling-delay = <1000>; + polling-delay-passive = <1000>; + thermal-sensors = <&{/bpmp/thermal} TEGRA234_THERMAL_ZONE_GPU>; + status = "okay"; + status = "disabled";
Looks like I messed this up. I will send a V2 to fix. Jon -- nvpublic
