xref: /kernel/linux/linux-6.6/Documentation/devicetree/bindings/thermal/imx8mm-thermal.yaml

# 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:
  - Anson Huang <Anson.Huang@nxp.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.

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
  - '#thermal-sensor-cells'

additionalProperties: 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>;
    };

...