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ADC stream API #90285

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3e916c0
driver: adc: Added stream APIs for ADC
vladislav-pejic May 21, 2025
b4ca871
boards: shields: EVAL-AD4052-ARDZ comp and overlay
vladislav-pejic Jun 4, 2025
f231fa5
driver: adc: ad405x: Add RTIO stream
vladislav-pejic May 21, 2025
2594cc1
drivers: adc: max32: Support for RTIO stream
dimitrije-lilic May 21, 2025
e4c5f4a
boards: adi: apard32690: Fix for gpio-map
vladislav-pejic Jun 4, 2025
e4b654d
sample: adc_stream: Add sample app for ADC stream
vladislav-pejic Jun 4, 2025
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4 changes: 2 additions & 2 deletions boards/adi/apard32690/apard32690_max32690_m4.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -58,8 +58,8 @@
arduino_header: connector {
compatible = "arduino-header-r3";
#gpio-cells = <2>;
gpio-map-mask = <0xffffffff 0xffffffc0>;
gpio-map-pass-thru = <0 0x3f>;
gpio-map-mask = <0xffffffff 0xfffffe00>;
gpio-map-pass-thru = <0 0x1ff>;
gpio-map = <0 0 &gpio3 0 0>, /* A0 */
<1 0 &gpio3 1 0>, /* A1 */
<2 0 &gpio3 2 0>, /* A2 */
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20 changes: 20 additions & 0 deletions boards/shields/eval_ad4052_ardz/boards/apard32690_max32690_m4.overlay
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Original file line number Diff line number Diff line change
Expand Up @@ -9,3 +9,23 @@
io-channels = <&adc4052_eval_ad4052_ardz 0>;
};
};

&arduino_spi {
adc4052_eval_ad4052_ardz: adc4052@0 {
conversion-gpios = <&arduino_header 12 (GPIO_ACTIVE_HIGH | MAX32_GPIO_VSEL_VDDIOH)>;
};
};

&timer0 {
status = "okay";

counter0: counter {
status = "okay";
};
};

/ {
chosen {
zephyr,adc-clock = &counter0;
};
};
10 changes: 8 additions & 2 deletions boards/shields/eval_ad4052_ardz/eval_ad4052_ardz.overlay
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Expand Up @@ -4,6 +4,12 @@
* SPDX-License-Identifier: Apache-2.0
*/

/ {
aliases {
adc0 = &adc4052_eval_ad4052_ardz;
};
};

&arduino_spi {
status = "okay";

Expand All @@ -12,12 +18,12 @@
spi-max-frequency = <DT_FREQ_M(2)>;
gp1-gpios = <&arduino_header 14 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>;
gp0-gpios = <&arduino_header 15 (GPIO_PULL_DOWN)>;
conversion-gpios = <&arduino_header 12 (GPIO_ACTIVE_HIGH | MAX32_GPIO_VSEL_VDDIOH)>;
conversion-gpios = <&arduino_header 12 (GPIO_ACTIVE_HIGH)>;
#address-cells = <1>;
#size-cells = <0>;
#io-channel-cells = <1>;
status = "okay";
compatible = "adi,ad405x-adc";
compatible = "adi,ad4052-adc";

channel@0 {
reg = <0>;
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4 changes: 4 additions & 0 deletions cmake/linker_script/common/common-rom.cmake
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Expand Up @@ -153,6 +153,10 @@ if(CONFIG_SENSOR_ASYNC_API)
zephyr_iterable_section(NAME sensor_decoder_api KVMA RAM_REGION GROUP RODATA_REGION)
endif()

if(CONFIG_ADC_STREAM)
zephyr_iterable_section(NAME adc_decoder_api KVMA RAM_REGION GROUP RODATA_REGION SUBALIGN ${CONFIG_LINKER_ITERABLE_SUBALIGN})
endif()

if(CONFIG_MCUMGR)
zephyr_iterable_section(NAME mcumgr_handler KVMA RAM_REGION GROUP RODATA_REGION)
endif()
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1 change: 1 addition & 0 deletions drivers/adc/CMakeLists.txt
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Expand Up @@ -65,6 +65,7 @@ zephyr_library_sources_ifdef(CONFIG_ADC_MAX32 adc_max32.c)
zephyr_library_sources_ifdef(CONFIG_ADC_AD4114 adc_ad4114.c)
zephyr_library_sources_ifdef(CONFIG_ADC_AD7124 adc_ad7124.c)
zephyr_library_sources_ifdef(CONFIG_ADC_AD405X adc_ad405x.c)
zephyr_library_sources_ifdef(CONFIG_ADC_STREAM default_rtio_adc.c)
zephyr_library_sources_ifdef(CONFIG_ADC_AD4130 adc_ad4130.c)
zephyr_library_sources_ifdef(CONFIG_ADC_REALTEK_RTS5912 adc_realtek_rts5912.c)
zephyr_library_sources_ifdef(CONFIG_ADC_TI_AM335X adc_ti_am335x.c)
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9 changes: 9 additions & 0 deletions drivers/adc/Kconfig
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Expand Up @@ -50,6 +50,15 @@ config ADC_INIT_PRIORITY
help
ADC driver device initialization priority.

config ADC_STREAM
bool "ADC stream support"
select RTIO
select RTIO_SYS_MEM_BLOCKS
select RTIO_CONSUME_SEM
select RTIO_WORKQ
help
This option enables the stream API calls.

module = ADC
module-str = ADC
source "subsys/logging/Kconfig.template.log_config"
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7 changes: 7 additions & 0 deletions drivers/adc/Kconfig.ad405x
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Expand Up @@ -11,6 +11,13 @@ config ADC_AD405X
help
Enable ADC driver for ADI AD405X.

config AD405X_STREAM
bool "Use FIFO to stream data"
select AD405X_TRIGGER
depends on SPI_RTIO
help
Use this configuration option to enable streaming ADC data via RTIO.

config AD405X_TRIGGER
bool "AD405X interrupts"
default n
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7 changes: 7 additions & 0 deletions drivers/adc/Kconfig.max32
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Expand Up @@ -10,3 +10,10 @@ config ADC_MAX32
select PINCTRL
help
Enable ADC driver for ADI MAX32xxx MCUs.

config ADC_MAX32_STREAM
bool "Use FIFO to stream data"
select ADC_ASYNC
depends on HAS_ADC_MAX32_REVB_ME18
help
Use this configuration option to enable streaming ADC data via RTIO.
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