Skip to content

Enable more adc tests for MEC175x #108145

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
albertofloyd wants to merge 2 commits into
base: main
Choose a base branch
from
+94 −0
Open

Enable more adc tests for MEC175x #108145

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
942f3c4
tests: drivers: adc: adc_api: Add MEC175x overlay
albertofloyd Apr 27, 2026
a04dfee
tests: drivers: adc: adc_accuracy: Add MEC175x support
albertofloyd Apr 28, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions tests/drivers/adc/adc_accuracy_test/boards/mec_assy6941_mec1753_qsz.conf
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
CONFIG_REFERENCE_VOLTAGE_TEST=y
39 changes: 39 additions & 0 deletions tests/drivers/adc/adc_accuracy_test/boards/mec_assy6941_mec1753_qsz.overlay
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,39 @@
/*
* Copyright (c) 2026 Microchip Technology Inc.
* SPDX-License-Identifier: Apache-2.0
*
*/

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

/ {
zephyr,user {
io-channels = <&adc0 3>;
/*
* MEC175x SoC does not include a DAC peripheral.
* ADC channel 3 (GPIO203) is used as the single-ended input. (JP124.11)
* Close JP124 (10-11) to connect GPIO203 to VCHIP_VREF_ADC (internal reference)
*/
reference-mv = <3300>;
expected-accuracy = <10>;
};
};

&adc0 {
compatible = "microchip,xec-adc";
status = "okay";

pinctrl-0 = <&adc03_gpio203>;
pinctrl-names = "default";

#address-cells = <1>;
#size-cells = <0>;

channel@3 {
reg = <3>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <12>;
};
};
54 changes: 54 additions & 0 deletions tests/drivers/adc/adc_api/boards/mec_assy6941_mec1753_qsz.overlay
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,54 @@
/*
* Copyright (c) 2026 Microchip Technology Inc.
* SPDX-License-Identifier: Apache-2.0
*
*/

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

/ {
zephyr,user {
io-channels = <&adc0 3>, <&adc0 4>, <&adc0 5>;
};
};

&adc0 {
compatible = "microchip,xec-adc";

status = "okay";

pinctrl-0 = <&adc03_gpio203 &adc04_gpio204 &adc05_gpio205>;
pinctrl-names = "default";

#address-cells = <1>;
#size-cells = <0>;

/*
* Close JP124 (10-11) (13-14), (16-17) to connect GPIO203, GPIO204 and adc05_gpio205
* to VCHIP_VREF_ADC (internal reference)
*/

channel@3 {
reg = <3>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <10>;
};

channel@4 {
reg = <4>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <10>;
};

channel@5 {
reg = <5>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <10>;
};
};
Loading