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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/thermal/fsl,imx91-tmu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: NXP i.MX91 Thermal
maintainers:
- Pengfei Li <pengfei.li_1@nxp.com>
description:
i.MX91 features a new temperature sensor. It includes programmable
temperature threshold comparators for both normal and privileged
accesses and allows a programmable measurement frequency for the
Periodic One-Shot Measurement mode. Additionally, it provides
status registers for indicating the end of measurement and threshold
violation events.
properties:
compatible:
items:
- const: fsl,imx91-tmu
reg:
maxItems: 1
clocks:
maxItems: 1
interrupts:
items:
- description: Comparator 1 irq
- description: Comparator 2 irq
- description: Data ready irq
interrupt-names:
items:
- const: thr1
- const: thr2
- const: ready
nvmem-cells:
items:
- description: Phandle to the trim control 1 provided by ocotp
- description: Phandle to the trim control 2 provided by ocotp
nvmem-cell-names:
items:
- const: trim1
- const: trim2
"#thermal-sensor-cells":
const: 0
required:
- compatible
- reg
- clocks
- interrupts
- interrupt-names
allOf:
- $ref: thermal-sensor.yaml
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/imx93-clock.h>
thermal-sensor@44482000 {
compatible = "fsl,imx91-tmu";
reg = <0x44482000 0x1000>;
#thermal-sensor-cells = <0>;
clocks = <&clk IMX93_CLK_TMC_GATE>;
interrupt-parent = <&gic>;
interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "thr1", "thr2", "ready";
nvmem-cells = <&tmu_trim1>, <&tmu_trim2>;
nvmem-cell-names = "trim1", "trim2";
};
...
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