Commit 5f51b0ac authored by Declan Snyder's avatar Declan Snyder Committed by David Leach
Browse files

boards: frdm_mcxw71: Enable ADC and tests/sample 

Enable LPADC on the FRDM_MCXW71 and add overlays for tests and sample

Signed-off-by: default avatarDeclan Snyder <declan.snyder@nxp.com>
parent c1affb98

boards/nxp/frdm_mcxw71/doc/index.rst

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@@ -66,6 +66,8 @@ The ``frdm_mcxw71`` board target in Zephyr currently supports the following feat 
+-----------+------------+-------------------------------------+

| VREF      | on-chip    | regulator                           |

+-----------+------------+-------------------------------------+

| LPADC     | on-chip    | adc                                 |

+-----------+------------+-------------------------------------+



Fetch Binary Blobs

******************

boards/nxp/frdm_mcxw71/frdm_mcxw71-pinctrl.dtsi

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@@ -58,4 +58,14 @@ 
			drive-strength = "low";

		};

	};



	pinmux_lpadc0: pinmux_lpadc0 {

		group0 {

			pinmux = <ADC0_A6_PTD2>,

				<ADC0_B6_PTD3>,

				<ADC0_B5_PTD1>;

			drive-strength = "low";

			slew-rate = "fast";

		};

	};

};

boards/nxp/frdm_mcxw71/frdm_mcxw71.dts

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@@ -131,3 +131,9 @@ 
		max-bitrate = <5000000>;

	};

};



&adc0 {

	pinctrl-0 = <&pinmux_lpadc0>;

	pinctrl-names = "default";

	status = "okay";

};

boards/nxp/frdm_mcxw71/frdm_mcxw71.yaml

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@@ -20,3 +20,4 @@ supported: 
  - i2c

  - can

  - regulator

  - adc

samples/drivers/adc/adc_dt/boards/frdm_mcxw71.overlay

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/*

 * Copyright 2024 NXP

 * SPDX-License-Identifier: Apache-2.0

 */



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

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



/ {

	zephyr,user {

		io-channels = <&adc0 0>;

	};

};



&adc0 {

	#address-cells = <1>;

	#size-cells = <0>;



	channel@0 {

		reg = <0>;

		zephyr,gain = "ADC_GAIN_1";

		zephyr,reference = "ADC_REF_EXTERNAL1";

		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;

		zephyr,resolution = <12>;

		zephyr,vref-mv = <1800>;

		/* channel 2 signal 6A */

		zephyr,input-positive = <MCUX_LPADC_CH2A>;

	};

};

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