Re: [PATCH 2/2] arm64: tegra: Add thermal support for Tegra234

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




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



[Index of Archives]     [ARM Kernel]     [Linux ARM]     [Linux ARM MSM]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux