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drivers: adc: Refactor and fix adc_msp_hsadc driver, add board overlays #12

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Merged
padmaraghunathan90 merged 10 commits into from
Feb 26, 2026
Merged

drivers: adc: Refactor and fix adc_msp_hsadc driver, add board overlays #12

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4dd6921
drivers: adc: Refactor and fix adc_msp_hsadc driver
Aman-Lachhiramka-ti Feb 17, 2026
49a5504
samples: drivers: adc: add support of TI MSPM33C321A
Aman-Lachhiramka-ti Feb 17, 2026
f1890ba
tests: drivers: adc: add lp_mspm33c321a support for adc_api and adc_e…
Aman-Lachhiramka-ti Feb 17, 2026
74ea8b2
drivers: dma: add external trigger support to dma_ti_msp
Aman-Lachhiramka-ti Feb 18, 2026
43261d1
dts: bindings: adc: add optional dma property to ti,msp-hsadc
Aman-Lachhiramka-ti Feb 18, 2026
04d38b6
dts: arm: ti: add DMA channels to mspm33c321a ADC nodes
Aman-Lachhiramka-ti Feb 18, 2026
8e398ec
drivers: adc: add DMA transfer support to msp_hsadc
Aman-Lachhiramka-ti Feb 18, 2026
0bc65b6
samples: adc: adc_dt: enable DMA transfer for lp_mspm33c321a
Aman-Lachhiramka-ti Feb 18, 2026
b96be17
github: workflows: add ADC test and sample builds to MSPM33 workflow
Aman-Lachhiramka-ti Feb 20, 2026
3172262
boards: ti: fix RST warnings in lp_mspmc321a board doc
Aman-Lachhiramka-ti Feb 20, 2026
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28 changes: 28 additions & 0 deletions .github/workflows/dev_mspm33_build.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -137,3 +137,31 @@ jobs:
cd ~/zephyrproject/zephyr
source ~/zephyrproject/zephyr/zephyr-env.sh
west build -p always -b lp_mspm33c321a tests/drivers/dma/loop_transfer

- name: Build ADC DT Sample
run: |
source ~/zephyrproject/.venv/bin/activate
cd ~/zephyrproject/zephyr
source ~/zephyrproject/zephyr/zephyr-env.sh
west build -p always -b lp_mspm33c321a samples/drivers/adc/adc_dt

- name: Build ADC Sequence Sample
run: |
source ~/zephyrproject/.venv/bin/activate
cd ~/zephyrproject/zephyr
source ~/zephyrproject/zephyr/zephyr-env.sh
west build -p always -b lp_mspm33c321a samples/drivers/adc/adc_sequence

- name: Build ADC API Test
run: |
source ~/zephyrproject/.venv/bin/activate
cd ~/zephyrproject/zephyr
source ~/zephyrproject/zephyr/zephyr-env.sh
west build -p always -b lp_mspm33c321a tests/drivers/adc/adc_api

- name: Build ADC Error Cases Test
run: |
source ~/zephyrproject/.venv/bin/activate
cd ~/zephyrproject/zephyr
source ~/zephyrproject/zephyr/zephyr-env.sh
west build -p always -b lp_mspm33c321a tests/drivers/adc/adc_error_cases
6 changes: 3 additions & 3 deletions boards/ti/lp_mspm33c321a/doc/index.rst
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Expand Up @@ -20,7 +20,7 @@ The LP_MSPM33C321A LaunchPad is a development platform for the MSPM33C321A micro
Zephyr uses the ``lp_mspm33c321a`` board configuration for building applications for this platform.

Board Features
=============
==============

* MSPM33C321A microcontroller with Arm® Cortex®-M33 core running at up to 160 MHz
* 1MB Flash memory with ECC
Expand All @@ -31,7 +31,7 @@ Board Features


Development Environment
**********************
=======================

The following development environment was used while developing and testing:

Expand Down Expand Up @@ -80,7 +80,7 @@ Future updates to the Zephyr support for this board will include flash-based pro
and support for the west flash command.

Serial Console
=============
==============

The MSPM33C321A LaunchPad includes an on-board XDS110 debugger that also provides a
virtual COM port over USB. This can be used for serial console output.
Expand Down
26 changes: 26 additions & 0 deletions drivers/adc/Kconfig.mspm33
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Expand Up @@ -9,3 +9,29 @@ config ADC_MSP_HSADC
select USE_MSP_DL_VREF
help
Enable support for HSADC on the TI MSPM33 series.

config ADC_MSP_HSADC_SOC_MAX
int "Maximum number of Start of Conversion (SOC) entries"
depends on ADC_MSP_HSADC
default 16
range 1 16
help
Maximum number of SOCs supported by the HSADC hardware.
The MSPM33 HSADC supports up to 16 SOCs for sequence conversion.

config ADC_MSP_HSADC_CHANNEL_MAX
int "Maximum number of ADC input channels"
depends on ADC_MSP_HSADC
default 32
range 1 32
help
Maximum number of ADC input channels supported by the HSADC hardware.
The MSPM33 HSADC supports up to 32 input channels.

config ADC_MSP_HSADC_DMA
bool "DMA support for TI MSPM33 HSADC"
depends on ADC_MSP_HSADC
select DMA
help
DMA driven mode offloads ADC result transfer from the CPU.
Requires dmas property in the ADC device tree node.
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