diff options
| -rw-r--r-- | Documentation/devicetree/bindings/thermal/nvidia,tegra186-bpmp-thermal.txt | 32 | ||||
| -rw-r--r-- | include/dt-bindings/thermal/tegra186-bpmp-thermal.h | 14 |
2 files changed, 46 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/thermal/nvidia,tegra186-bpmp-thermal.txt b/Documentation/devicetree/bindings/thermal/nvidia,tegra186-bpmp-thermal.txt new file mode 100644 index 000000000000..276387dd6815 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/nvidia,tegra186-bpmp-thermal.txt @@ -0,0 +1,32 @@ +NVIDIA Tegra186 BPMP thermal sensor + +In Tegra186, the BPMP (Boot and Power Management Processor) implements an +interface that is used to read system temperatures, including CPU cluster +and GPU temperatures. This binding describes the thermal sensor that is +exposed by BPMP. + +The BPMP thermal node must be located directly inside the main BPMP node. See +../firmware/nvidia,tegra186-bpmp.txt for details of the BPMP binding. + +This node represents a thermal sensor. See thermal.txt for details of the +core thermal binding. + +Required properties: +- compatible: + Array of strings. + One of: + - "nvidia,tegra186-bpmp-thermal". +- #thermal-sensor-cells: Cell for sensor index. + Single-cell integer. + Must be <1>. + +Example: + +bpmp { + ... + + bpmp_thermal: thermal { + compatible = "nvidia,tegra186-bpmp-thermal"; + #thermal-sensor-cells = <1>; + }; +}; diff --git a/include/dt-bindings/thermal/tegra186-bpmp-thermal.h b/include/dt-bindings/thermal/tegra186-bpmp-thermal.h new file mode 100644 index 000000000000..a96b8fa31aab --- /dev/null +++ b/include/dt-bindings/thermal/tegra186-bpmp-thermal.h @@ -0,0 +1,14 @@ +/* + * This header provides constants for binding nvidia,tegra186-bpmp-thermal. + */ + +#ifndef _DT_BINDINGS_THERMAL_TEGRA186_BPMP_THERMAL_H +#define _DT_BINDINGS_THERMAL_TEGRA186_BPMP_THERMAL_H + +#define TEGRA186_BPMP_THERMAL_ZONE_CPU 2 +#define TEGRA186_BPMP_THERMAL_ZONE_GPU 3 +#define TEGRA186_BPMP_THERMAL_ZONE_AUX 4 +#define TEGRA186_BPMP_THERMAL_ZONE_PLLX 5 +#define TEGRA186_BPMP_THERMAL_ZONE_AO 6 + +#endif |