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arm64: tegra: Add Tegra234 thermal support 

Add device tree node for the BPMP thermal node on Tegra234 and add
thermal zone definitions.

Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2022-11-17 14:02:30 +01:00
parent bd9681c006
commit 09d990782a
2 changed files with 72 additions and 0 deletions
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53
arch/arm64/boot/dts/nvidia/tegra234.dtsi
View File

@ -8,6 +8,7 @@
#include <dt-bindings/pinctrl/pinctrl-tegra-io-pad.h>
#include <dt-bindings/power/tegra234-powergate.h>
#include <dt-bindings/reset/tegra234-reset.h>
#include <dt-bindings/thermal/tegra234-bpmp-thermal.h>
/ {
compatible = "nvidia,tegra234";
@ -3027,6 +3028,11 @@ bpmp_i2c: i2c {
#address-cells = <1>;
#size-cells = <0>;
};
bpmp_thermal: thermal {
compatible = "nvidia,tegra186-bpmp-thermal";
#thermal-sensor-cells = <1>;
};
};
cpus {
@ -3517,6 +3523,53 @@ sound {
<&bpmp TEGRA234_CLK_PLLA_OUT0>;
};
thermal-zones {
cpu-thermal {
thermal-sensors = <&{/bpmp/thermal} TEGRA234_BPMP_THERMAL_ZONE_CPU>;
status = "disabled";
};
gpu-thermal {
thermal-sensors = <&{/bpmp/thermal} TEGRA234_BPMP_THERMAL_ZONE_GPU>;
status = "disabled";
};
cv0-thermal {
thermal-sensors = <&{/bpmp/thermal} TEGRA234_BPMP_THERMAL_ZONE_CV0>;
status = "disabled";
};
cv1-thermal {
thermal-sensors = <&{/bpmp/thermal} TEGRA234_BPMP_THERMAL_ZONE_CV1>;
status = "disabled";
};
cv2-thermal {
thermal-sensors = <&{/bpmp/thermal} TEGRA234_BPMP_THERMAL_ZONE_CV2>;
status = "disabled";
};
soc0-thermal {
thermal-sensors = <&{/bpmp/thermal} TEGRA234_BPMP_THERMAL_ZONE_SOC0>;
status = "disabled";
};
soc1-thermal {
thermal-sensors = <&{/bpmp/thermal} TEGRA234_BPMP_THERMAL_ZONE_SOC1>;
status = "disabled";
};
soc2-thermal {
thermal-sensors = <&{/bpmp/thermal} TEGRA234_BPMP_THERMAL_ZONE_SOC2>;
status = "disabled";
};
tj-thermal {
thermal-sensors = <&{/bpmp/thermal} TEGRA234_BPMP_THERMAL_ZONE_TJ_MAX>;
status = "disabled";
};
};
timer {
compatible = "arm,armv8-timer";
interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,

19
include/dt-bindings/thermal/tegra234-bpmp-thermal.h Normal file
View File

@ -0,0 +1,19 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* This header provides constants for binding nvidia,tegra234-bpmp-thermal.
*/
#ifndef _DT_BINDINGS_THERMAL_TEGRA234_BPMP_THERMAL_H
#define _DT_BINDINGS_THERMAL_TEGRA234_BPMP_THERMAL_H
#define TEGRA234_BPMP_THERMAL_ZONE_CPU 0
#define TEGRA234_BPMP_THERMAL_ZONE_GPU 1
#define TEGRA234_BPMP_THERMAL_ZONE_CV0 2
#define TEGRA234_BPMP_THERMAL_ZONE_CV1 3
#define TEGRA234_BPMP_THERMAL_ZONE_CV2 4
#define TEGRA234_BPMP_THERMAL_ZONE_SOC0 5
#define TEGRA234_BPMP_THERMAL_ZONE_SOC1 6
#define TEGRA234_BPMP_THERMAL_ZONE_SOC2 7
#define TEGRA234_BPMP_THERMAL_ZONE_TJ_MAX 8
#endif