Commit cec6d682 authored by Peter Wang's avatar Peter Wang Committed by Daniel DeGrasse
Browse files

boards: frdm_mcxa166, frdm_mcxa276: add temperature sensor support 



1. enable temperature sensor support
2. verified samples/sensor/die_temp_polling

Signed-off-by: default avatarPeter Wang <chaoyi.wang@nxp.com>
parent aa7618ba

boards/nxp/frdm_mcxa166/frdm_mcxa166.dts

+1 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ 
		sw0 = &user_button_2;

		sw1 = &user_button_3;

		watchdog0 = &wwdt0;

		die-temp0 = &temp0;

	};



	chosen {

boards/nxp/frdm_mcxa276/frdm_mcxa276.dts

+1 −0
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ 
		sw1 = &user_button_3;

		watchdog0 = &wwdt0;

		ambient-temp0 = &p3t1755;

		die-temp0 = &temp0;

	};



	chosen {

dts/arm/nxp/nxp_mcxa166.dtsi

+5 −0
Original line number Diff line number Diff line
@@ -308,6 +308,11 @@ 
			clocks = <&syscon MCUX_LPADC1_CLK>;

		};



		temp0: temp0 {

			compatible = "nxp,lpadc-temp40";

			status = "disabled";

		};



		lpadc1: lpadc@400b0000 {

			compatible = "nxp,lpc-lpadc";

			reg = <0x400b0000 0x1000>;

dts/arm/nxp/nxp_mcxa276.dtsi

+5 −0
Original line number Diff line number Diff line
@@ -321,6 +321,11 @@ 
			clocks = <&syscon MCUX_LPADC1_CLK>;

		};



		temp0: temp0 {

			compatible = "nxp,lpadc-temp40";

			status = "disabled";

		};



		lpadc1: lpadc@400b0000 {

			compatible = "nxp,lpc-lpadc";

			reg = <0x400b0000 0x1000>;

samples/sensor/die_temp_polling/boards/frdm_mcxa166.overlay

0 → 100644
+26 −0
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/*

 * Copyright 2025 NXP

 *

 * SPDX-License-Identifier: Apache-2.0

 */

#include <zephyr/dt-bindings/adc/adc.h>

#include <zephyr/dt-bindings/adc/mcux-lpadc.h>



&lpadc0 {

	status = "okay";

	#address-cells = <1>;

	#size-cells = <0>;



	channel@0 {

		reg = <0>;

		zephyr,gain = "ADC_GAIN_1";

		zephyr,reference = "ADC_REF_EXTERNAL0";

		zephyr,acquisition-time = <ADC_ACQ_TIME(ADC_ACQ_TIME_TICKS, 131)>;

		zephyr,input-positive = <MCUX_LPADC_CH26A>;

	};

};



&temp0 {

	status = "okay";

	io-channels = <&lpadc0 0>;

};

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