Documentation/devicetree/bindings/thermal/imx8mm-thermal.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/thermal/imx8mm-thermal.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/thermal/imx8mm-thermal.yaml
Extension
.yaml
Size
1576 bytes
Lines
73
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

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Annotated Snippet

# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/thermal/imx8mm-thermal.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: NXP i.MX8M Mini Thermal

maintainers:
  - Shawn Guo <shawnguo@kernel.org>
  - Sascha Hauer <s.hauer@pengutronix.de>
  - Fabio Estevam <festevam@gmail.com>

description: |
  i.MX8MM has TMU IP to allow temperature measurement, there are
  currently two distinct major versions of the IP that is supported
  by a single driver. The IP versions are named v1 and v2, v1 is
  for i.MX8MM which has ONLY 1 sensor, v2 is for i.MX8MP which has
  2 sensors.

$ref: thermal-sensor.yaml#

properties:
  compatible:
    oneOf:
      - enum:
          - fsl,imx8mm-tmu
          - fsl,imx8mp-tmu
      - items:
          - const: fsl,imx8mn-tmu
          - const: fsl,imx8mm-tmu

  reg:
    maxItems: 1

  clocks:
    maxItems: 1

  nvmem-cells:
    maxItems: 1
    description: Phandle to the calibration data provided by ocotp

  nvmem-cell-names:
    const: calib

  "#thermal-sensor-cells":
    description: |
      Number of cells required to uniquely identify the thermal
      sensors, 0 for ONLY one sensor and 1 for multiple sensors.
    enum:
      - 0
      - 1

required:
  - compatible
  - reg
  - clocks

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/imx8mm-clock.h>

    thermal-sensor@30260000 {
        compatible = "fsl,imx8mm-tmu";
        reg = <0x30260000 0x10000>;
        clocks = <&clk IMX8MM_CLK_TMU_ROOT>;
        #thermal-sensor-cells = <0>;
    };

Annotation

Implementation Notes