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samples: drivers: adc: add support for internal nRF54L SAADC inputs

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SAADC peripheral for nRF54L Series allows to choose internal
voltages as positive inputs and samples shall showcase that.

Signed-off-by: Nikodem Kastelik <nikodem.kastelik@nordicsemi.no>
This commit is contained in:
Nikodem Kastelik 2024-09-30 16:16:03 +02:00 • committed by Henrik Brix Andersen
commit e31598233d
2 changed files with 22 additions and 2 deletions
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12
samples/drivers/adc/adc_dt/boards/nrf54l15dk_nrf54l15_cpuapp.overlay
View file

@ -6,7 +6,7 @@
/ {
zephyr,user {
io-channels = <&adc 0>, <&adc 1>, <&adc 7>;
io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 7>;
};
};
@ -33,6 +33,16 @@
zephyr,oversampling = <8>;
};
channel@2 {
reg = <2>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,input-positive = <NRF_SAADC_VDD>;
zephyr,resolution = <12>;
zephyr,oversampling = <8>;
};
channel@7 {
reg = <7>;
zephyr,gain = "ADC_GAIN_1";

12
samples/drivers/adc/adc_sequence/boards/nrf54l15dk_nrf54l15_cpuapp.overlay
View file

@ -6,7 +6,7 @@
/ {
zephyr,user {
io-channels = <&adc 0>, <&adc 1>, <&adc 7>;
io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 7>;
};
};
@ -39,6 +39,16 @@
zephyr,oversampling = <8>;
};
channel@2 {
reg = <2>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,input-positive = <NRF_SAADC_DVDD>; /* 0.9 V internal */
zephyr,resolution = <12>;
zephyr,oversampling = <8>;
};
channel@7 {
reg = <7>;
zephyr,gain = "ADC_GAIN_1";