diff --git a/drivers/adc/adc_nrfx_saadc.c b/drivers/adc/adc_nrfx_saadc.c
index 1418ae286f5..22a839a5f35 100644
--- a/drivers/adc/adc_nrfx_saadc.c
+++ b/drivers/adc/adc_nrfx_saadc.c
@@ -9,6 +9,7 @@
 #include <haly/nrfy_saadc.h>
 #include <zephyr/dt-bindings/adc/nrf-saadc-v3.h>
 #include <zephyr/dt-bindings/adc/nrf-saadc-nrf54l.h>
+#include <zephyr/dt-bindings/adc/nrf-saadc-haltium.h>
 #include <zephyr/linker/devicetree_regions.h>
 #include <zephyr/pm/device.h>
 #include <zephyr/pm/device_runtime.h>
@@ -23,7 +24,7 @@ LOG_MODULE_REGISTER(adc_nrfx_saadc);
 #if (NRF_SAADC_HAS_AIN_AS_PIN)
 
 #if defined(CONFIG_NRF_PLATFORM_HALTIUM)
-static const uint8_t saadc_psels[NRF_SAADC_AIN7 + 1] = {
+static const uint32_t saadc_psels[NRF_SAADC_AIN13 + 1] = {
 	[NRF_SAADC_AIN0] = NRF_PIN_PORT_TO_PIN_NUMBER(0U, 1),
 	[NRF_SAADC_AIN1] = NRF_PIN_PORT_TO_PIN_NUMBER(1U, 1),
 	[NRF_SAADC_AIN2] = NRF_PIN_PORT_TO_PIN_NUMBER(2U, 1),
@@ -32,6 +33,12 @@ static const uint8_t saadc_psels[NRF_SAADC_AIN7 + 1] = {
 	[NRF_SAADC_AIN5] = NRF_PIN_PORT_TO_PIN_NUMBER(5U, 1),
 	[NRF_SAADC_AIN6] = NRF_PIN_PORT_TO_PIN_NUMBER(6U, 1),
 	[NRF_SAADC_AIN7] = NRF_PIN_PORT_TO_PIN_NUMBER(7U, 1),
+	[NRF_SAADC_AIN8] = NRF_PIN_PORT_TO_PIN_NUMBER(0U, 9),
+	[NRF_SAADC_AIN9] = NRF_PIN_PORT_TO_PIN_NUMBER(1U, 9),
+	[NRF_SAADC_AIN10] = NRF_PIN_PORT_TO_PIN_NUMBER(2U, 9),
+	[NRF_SAADC_AIN11] = NRF_PIN_PORT_TO_PIN_NUMBER(3U, 9),
+	[NRF_SAADC_AIN12] = NRF_PIN_PORT_TO_PIN_NUMBER(4U, 9),
+	[NRF_SAADC_AIN13] = NRF_PIN_PORT_TO_PIN_NUMBER(5U, 9),
 };
 #elif defined(CONFIG_SOC_COMPATIBLE_NRF54LX)
 static const uint32_t saadc_psels[NRF_SAADC_DVDD + 1] = {
diff --git a/dts/common/nordic/nrf54h20.dtsi b/dts/common/nordic/nrf54h20.dtsi
index bdf8c3fcc0e..bfce794ff3c 100644
--- a/dts/common/nordic/nrf54h20.dtsi
+++ b/dts/common/nordic/nrf54h20.dtsi
@@ -7,7 +7,7 @@
 #include <mem.h>
 #include <nordic/nrf_common.dtsi>
 
-#include <zephyr/dt-bindings/adc/nrf-saadc.h>
+#include <zephyr/dt-bindings/adc/nrf-saadc-haltium.h>
 #include <zephyr/dt-bindings/misc/nordic-nrf-ficr-nrf54h20.h>
 #include <zephyr/dt-bindings/misc/nordic-domain-id-nrf54h20.h>
 #include <zephyr/dt-bindings/misc/nordic-owner-id-nrf54h20.h>
diff --git a/dts/common/nordic/nrf9280.dtsi b/dts/common/nordic/nrf9280.dtsi
index 0907be9d9a6..7166f9a4f6b 100644
--- a/dts/common/nordic/nrf9280.dtsi
+++ b/dts/common/nordic/nrf9280.dtsi
@@ -6,7 +6,7 @@
 
 #include <mem.h>
 #include <nordic/nrf_common.dtsi>
-#include <zephyr/dt-bindings/adc/nrf-saadc.h>
+#include <zephyr/dt-bindings/adc/nrf-saadc-haltium.h>
 #include <zephyr/dt-bindings/misc/nordic-nrf-ficr-nrf9230-engb.h>
 #include <zephyr/dt-bindings/misc/nordic-domain-id-nrf9230.h>
 #include <zephyr/dt-bindings/misc/nordic-owner-id-nrf9230.h>
diff --git a/include/zephyr/dt-bindings/adc/nrf-saadc-haltium.h b/include/zephyr/dt-bindings/adc/nrf-saadc-haltium.h
new file mode 100644
index 00000000000..e0552297522
--- /dev/null
+++ b/include/zephyr/dt-bindings/adc/nrf-saadc-haltium.h
@@ -0,0 +1,19 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ */
+
+#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_ADC_NRF_SAADC_HALTIUM_H_
+#define ZEPHYR_INCLUDE_DT_BINDINGS_ADC_NRF_SAADC_HALTIUM_H_
+
+#include <zephyr/dt-bindings/adc/nrf-saadc.h>
+
+#define NRF_SAADC_AIN8 9
+#define NRF_SAADC_AIN9 10
+#define NRF_SAADC_AIN10 11
+#define NRF_SAADC_AIN11 12
+#define NRF_SAADC_AIN12 13
+#define NRF_SAADC_AIN13 14
+
+#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_ADC_NRF_SAADC_HALTIUM_H_ */
diff --git a/samples/drivers/adc/adc_sequence/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/samples/drivers/adc/adc_sequence/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
index 5f7e20136b4..bf53616d928 100644
--- a/samples/drivers/adc/adc_sequence/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
+++ b/samples/drivers/adc/adc_sequence/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -12,7 +12,7 @@
 
 / {
 	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_2";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,input-positive = <NRF_SAADC_AIN9>; /* P9.01 */
+		zephyr,resolution = <12>;
+		zephyr,oversampling = <8>;
+	};
+
 	channel@7 {
 		reg = <7>;
 		zephyr,gain = "ADC_GAIN_1_2";