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Nrf7120 pdm test support #25347

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be84c53
samples: drivers: audio: dmic: Add support for nRF7120
Hi-Im-David Oct 31, 2025
6a51c09
tests: drivers: audio: Add support for nRF7120
Hi-Im-David Oct 31, 2025
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32 changes: 32 additions & 0 deletions samples/zephyr/drivers/audio/dmic/boards/nrf7120pdk_nrf7120_cpuapp.overlay
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Original file line number Diff line number Diff line change
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/*
* Copyright (c) 2025 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
*/

/ {
aliases {
dmic-dev = &pdm20;
};
};

&pinctrl {
pdm20_default_alt: pdm20_default_alt {
group1 {
psels = <NRF_PSEL(PDM_CLK, 1, 14)>,
<NRF_PSEL(PDM_DIN, 1, 12)>;
};
};
};

dmic_dev: &pdm20 {
status = "okay";
pinctrl-0 = <&pdm20_default_alt>;
pinctrl-names = "default";
clock-source = "ACLK";
};

&audio_auxpll {
nordic,frequency = <NRF_AUXPLL_FREQ_DIV_AUDIO_48K>;
status = "okay";
};
41 changes: 41 additions & 0 deletions tests/drivers/audio/pdm_instances/boards/nrf7120pdk_nrf7120_cpuapp.overlay
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@@ -0,0 +1,41 @@
/*
* Copyright (c) 2025 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
*/

/* Test requires loopbacks:
* - between P1.14 and P1.0,
* - between P1.13 and P1.15.
* For best performance, PDM_CLK shall be on 'Clock pin'.
*/

&pinctrl {
pdm20_default_test: pdm20_default_test {
group1 {
psels = <NRF_PSEL(PDM_CLK, 1, 14)>,
<NRF_PSEL(PDM_DIN, 1, 0)>;
};
};

pdm21_default_test: pdm21_default_test {
group1 {
psels = <NRF_PSEL(PDM_CLK, 1, 13)>,
<NRF_PSEL(PDM_DIN, 1, 15)>;
};
};
};

&pdm20 {
status = "okay";
pinctrl-0 = <&pdm20_default_test>;
pinctrl-names = "default";
clock-source = "PCLK32M";
};

&pdm21 {
status = "okay";
pinctrl-0 = <&pdm21_default_test>;
pinctrl-names = "default";
clock-source = "PCLK32M";
};
1 change: 1 addition & 0 deletions tests/drivers/audio/pdm_instances/testcase.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@ tests:
- nrf54h20dk/nrf54h20/cpuapp
- nrf54l15dk/nrf54l15/cpuapp
- nrf54lm20dk/nrf54lm20a/cpuapp
- nrf7120pdk/nrf7120/cpuapp
integration_platforms:
- nrf54h20dk/nrf54h20/cpuapp
- nrf54l15dk/nrf54l15/cpuapp
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39 changes: 39 additions & 0 deletions tests/drivers/audio/pdm_loopback/boards/nrf7120pdk_nrf7120_cpuapp.overlay
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Original file line number Diff line number Diff line change
@@ -0,0 +1,39 @@
/*
* Copyright (c) 2025 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
*/
/* Loopback between P0.0 and P1.14 required */
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@nordic-segl nordic-segl Nov 3, 2025

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Is P0.0 correct? Shouldn't this be P1.0?


/ {
gpio_test {
compatible = "gpio-leds";
pulse_counter: pulse_counter {
gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
};
};
};

&pinctrl {
pdm20_default_alt: pdm20_default_alt {
group1 {
psels = <NRF_PSEL(PDM_CLK, 1, 14)>,
<NRF_PSEL(PDM_DIN, 1, 12)>;
};
};
};

pdm_dev: &pdm20 {
status = "okay";
pinctrl-0 = <&pdm20_default_alt>;
pinctrl-names = "default";
clock-source = "PCLK32M";
};

&gpio1 {
status = "okay";
};

&timer00 {
status = "okay";
};
44 changes: 44 additions & 0 deletions ...s/drivers/audio/pdm_loopback/boards/nrf7120pdk_nrf7120_cpuapp_audio_auxpll_44k1hz.overlay
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Original file line number Diff line number Diff line change
@@ -0,0 +1,44 @@
/*
* Copyright (c) 2025 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
*/
/* Loopback between P0.0 and P1.14 required */
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@nordic-segl nordic-segl Nov 3, 2025

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P1.0?


/ {
gpio_test {
compatible = "gpio-leds";
pulse_counter: pulse_counter {
gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
};
};
};

&pinctrl {
pdm20_default_alt: pdm20_default_alt {
group1 {
psels = <NRF_PSEL(PDM_CLK, 1, 14)>,
<NRF_PSEL(PDM_DIN, 1, 12)>;
};
};
};

pdm_dev: &pdm20 {
status = "okay";
pinctrl-0 = <&pdm20_default_alt>;
pinctrl-names = "default";
clock-source = "ACLK";
};

&audio_auxpll {
nordic,frequency = <NRF_AUXPLL_FREQ_DIV_AUDIO_44K1>;
status = "okay";
};

&gpio1 {
status = "okay";
};

&timer00 {
status = "okay";
};
44 changes: 44 additions & 0 deletions tests/drivers/audio/pdm_loopback/boards/nrf7120pdk_nrf7120_cpuapp_audio_auxpll_48khz.overlay
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Original file line number Diff line number Diff line change
@@ -0,0 +1,44 @@
/*
* Copyright (c) 2025 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
*/
/* Loopback between P0.0 and P1.14 required */
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@nordic-segl nordic-segl Nov 3, 2025

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P1.0?


/ {
gpio_test {
compatible = "gpio-leds";
pulse_counter: pulse_counter {
gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
};
};
};

&pinctrl {
pdm20_default_alt: pdm20_default_alt {
group1 {
psels = <NRF_PSEL(PDM_CLK, 1, 14)>,
<NRF_PSEL(PDM_DIN, 1, 12)>;
};
};
};

pdm_dev: &pdm20 {
status = "okay";
pinctrl-0 = <&pdm20_default_alt>;
pinctrl-names = "default";
clock-source = "ACLK";
};

&audio_auxpll {
nordic,frequency = <NRF_AUXPLL_FREQ_DIV_AUDIO_48K>;
status = "okay";
};

&gpio1 {
status = "okay";
};

&timer00 {
status = "okay";
};
25 changes: 25 additions & 0 deletions tests/drivers/audio/pdm_loopback/testcase.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -102,3 +102,28 @@ tests:
extra_args:
- CONFIG_NRFX_TIMER130=y
- CONFIG_TEST_PDM_SAMPLING_TIME=10
drivers.audio.pdm_loopback.nrf7120.1280khz:
platform_allow:
- nrf7120pdk/nrf7120/cpuapp
extra_args:
- CONFIG_NRFX_TIMER00=y
- CONFIG_TEST_PDM_SAMPLING_RATE=16000
- CONFIG_TEST_PDM_EXPECTED_FREQUENCY=1280000
drivers.audio.pdm_loopback.nrf7120.auxpll.44k1hz:
platform_allow:
- nrf7120pdk/nrf7120/cpuapp
extra_args:
- CONFIG_NRFX_TIMER00=y
- CONFIG_TEST_PDM_SAMPLING_RATE=44100
- CONFIG_TEST_PDM_EXPECTED_FREQUENCY=1411200
- CONFIG_CLOCK_CONTROL=y
- DTC_OVERLAY_FILE="boards/nrf7120pdk_nrf7120_cpuapp_audio_auxpll_44k1hz.overlay"
drivers.audio.pdm_loopback.nrf7120.auxpll.48khz:
platform_allow:
- nrf7120pdk/nrf7120/cpuapp
extra_args:
- CONFIG_NRFX_TIMER00=y
- CONFIG_TEST_PDM_SAMPLING_RATE=48000
- CONFIG_TEST_PDM_EXPECTED_FREQUENCY=1536000
- CONFIG_CLOCK_CONTROL=y
- DTC_OVERLAY_FILE="boards/nrf7120pdk_nrf7120_cpuapp_audio_auxpll_48khz.overlay"
32 changes: 32 additions & 0 deletions tests/zephyr/drivers/audio/dmic_api/boards/nrf7120pdk_nrf7120_cpuapp.overlay
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Original file line number Diff line number Diff line change
@@ -0,0 +1,32 @@
/*
* Copyright (c) 2025 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
*/

/* Test requires loopbacks:
* - between P1.14 and P1.0,
* For best performance, PDM_CLK shall be on 'Clock pin'.
*/

/ {
aliases {
dmic-dev = &pdm20;
};
};

&pinctrl {
pdm20_default_test: pdm20_default_test {
group1 {
psels = <NRF_PSEL(PDM_CLK, 1, 14)>,
<NRF_PSEL(PDM_DIN, 1, 0)>;
};
};
};

&pdm20 {
status = "okay";
pinctrl-0 = <&pdm20_default_test>;
pinctrl-names = "default";
clock-source = "PCLK32M";
};