2023-08-30 17:31:07 +02:00
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/thermal/qoriq-thermal.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Thermal Monitoring Unit (TMU) on Freescale QorIQ SoCs
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maintainers:
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- Anson Huang <Anson.Huang@nxp.com>
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properties:
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compatible:
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description: |
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The version of the device is determined by the TMU IP Block Revision
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Register (IPBRR0) at offset 0x0BF8.
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Table of correspondences between IPBRR0 values and example chips:
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Value Device
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---------- -----
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0x01900102 T1040
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enum:
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- fsl,qoriq-tmu
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- fsl,imx8mq-tmu
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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fsl,tmu-range:
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2023-10-24 12:59:35 +02:00
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$ref: /schemas/types.yaml#/definitions/uint32-array
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2023-08-30 17:31:07 +02:00
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description: |
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The values to be programmed into TTRnCR, as specified by the SoC
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reference manual. The first cell is TTR0CR, the second is TTR1CR, etc.
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maxItems: 4
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fsl,tmu-calibration:
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2023-10-24 12:59:35 +02:00
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$ref: /schemas/types.yaml#/definitions/uint32-matrix
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2023-08-30 17:31:07 +02:00
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description: |
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A list of cell pairs containing temperature calibration data, as
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specified by the SoC reference manual. The first cell of each pair
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is the value to be written to TTCFGR, and the second is the value
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to be written to TSCFGR.
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items:
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items:
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- description: value for TTCFGR
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- description: value for TSCFGR
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minItems: 1
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maxItems: 64
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little-endian:
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description: |
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boolean, if present, the TMU registers are little endian. If absent,
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the default is big endian.
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type: boolean
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clocks:
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maxItems: 1
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"#thermal-sensor-cells":
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const: 1
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required:
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- compatible
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- reg
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- interrupts
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- fsl,tmu-range
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- fsl,tmu-calibration
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- '#thermal-sensor-cells'
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additionalProperties: false
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examples:
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- |
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tmu@f0000 {
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compatible = "fsl,qoriq-tmu";
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reg = <0xf0000 0x1000>;
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interrupts = <18 2 0 0>;
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fsl,tmu-range = <0x000a0000 0x00090026 0x0008004a 0x0001006a>;
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fsl,tmu-calibration = <0x00000000 0x00000025>,
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<0x00000001 0x00000028>,
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<0x00000002 0x0000002d>,
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<0x00000003 0x00000031>,
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<0x00000004 0x00000036>,
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<0x00000005 0x0000003a>,
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<0x00000006 0x00000040>,
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<0x00000007 0x00000044>,
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<0x00000008 0x0000004a>,
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<0x00000009 0x0000004f>,
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<0x0000000a 0x00000054>,
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<0x00010000 0x0000000d>,
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<0x00010001 0x00000013>,
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<0x00010002 0x00000019>,
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<0x00010003 0x0000001f>,
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<0x00010004 0x00000025>,
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<0x00010005 0x0000002d>,
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<0x00010006 0x00000033>,
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<0x00010007 0x00000043>,
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<0x00010008 0x0000004b>,
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<0x00010009 0x00000053>,
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<0x00020000 0x00000010>,
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<0x00020001 0x00000017>,
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<0x00020002 0x0000001f>,
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<0x00020003 0x00000029>,
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<0x00020004 0x00000031>,
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<0x00020005 0x0000003c>,
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<0x00020006 0x00000042>,
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<0x00020007 0x0000004d>,
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<0x00020008 0x00000056>,
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<0x00030000 0x00000012>,
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<0x00030001 0x0000001d>;
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#thermal-sensor-cells = <1>;
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};
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