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tests: drivers/regulator/voltage: Add regulator test for NXP frdm_mcxn236 

Support regulator(vref) output vt oltage test for NXP frdm_mcxn236

Signed-off-by: Neil Chen <cheng.chen_1@nxp.com>
This commit is contained in:
Neil Chen 2024-10-12 15:52:31 +08:00 committed by Henrik Brix Andersen
parent a6b414d46b
commit 0fa766c8ea
1 changed files with 47 additions and 0 deletions
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tests/drivers/regulator/voltage/boards/frdm_mcxn236.overlay Normal file
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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>
#include <zephyr/dt-bindings/regulator/nxp_vref.h>
/* To do this test, connect LPADC0 channel 2A(J8 pin 12) to VREF_OUT (J2 pin 19) */
/ {
resources: resources {
compatible = "test-regulator-voltage";
regulators = <&vref>;
tolerance-microvolt = <10000>;
set-read-delay-ms = <1>;
adc-avg-count = <10>;
io-channels = <&lpadc0 0>;
min-microvolt = <1000000>;
max-microvolt = <2100000>;
};
};
&vref {
regulator-initial-mode = <NXP_VREF_MODE_INTERNAL_REGULATOR>;
};
&lpadc0 {
#address-cells = <1>;
#size-cells = <0>;
/* In this case, the LPADC reference source cannot be set to VREFO,
* switch the reference source to VDD_ANA.
*/
voltage-ref= <2>;
channel@0 {
reg = <0>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_EXTERNAL0";
zephyr,vref-mv = <3300>;
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <12>;
zephyr,input-positive = <MCUX_LPADC_CH2A>;
};
};