diff --git a/boards/arm/96b_carbon_nrf51/96b_carbon_nrf51-pinctrl.dtsi b/boards/arm/96b_carbon_nrf51/96b_carbon_nrf51-pinctrl.dtsi
new file mode 100644
index 00000000000..4381a88875d
--- /dev/null
+++ b/boards/arm/96b_carbon_nrf51/96b_carbon_nrf51-pinctrl.dtsi
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2022 Nordic Semiconductor
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&pinctrl {
+	i2c0_default: i2c0_default {
+		group1 {
+			psels = <NRF_PSEL(TWIM_SDA, 0, 28)>,
+				<NRF_PSEL(TWIM_SCL, 0, 2)>;
+		};
+	};
+
+	i2c0_sleep: i2c0_sleep {
+		group1 {
+			psels = <NRF_PSEL(TWIM_SDA, 0, 28)>,
+				<NRF_PSEL(TWIM_SCL, 0, 2)>;
+			low-power-enable;
+		};
+	};
+
+	uart0_default: uart0_default {
+		group1 {
+			psels = <NRF_PSEL(UART_TX, 0, 29)>,
+				<NRF_PSEL(UART_RX, 0, 11)>;
+		};
+	};
+
+	uart0_sleep: uart0_sleep {
+		group1 {
+			psels = <NRF_PSEL(UART_TX, 0, 29)>,
+				<NRF_PSEL(UART_RX, 0, 11)>;
+			low-power-enable;
+		};
+	};
+
+	spi1_default: spi1_default {
+		group1 {
+			psels = <NRF_PSEL(SPIS_SCK, 0, 7)>,
+				<NRF_PSEL(SPIS_MOSI, 0, 0)>,
+				<NRF_PSEL(SPIS_MISO, 0, 30)>,
+				<NRF_PSEL(SPIS_CSN, 0, 25)>;
+		};
+	};
+
+};
diff --git a/boards/arm/96b_carbon_nrf51/96b_carbon_nrf51.dts b/boards/arm/96b_carbon_nrf51/96b_carbon_nrf51.dts
index ab41430826e..11ac5a31126 100644
--- a/boards/arm/96b_carbon_nrf51/96b_carbon_nrf51.dts
+++ b/boards/arm/96b_carbon_nrf51/96b_carbon_nrf51.dts
@@ -6,6 +6,7 @@
 
 /dts-v1/;
 #include <nordic/nrf51822_qfac.dtsi>
+#include "96b_carbon_nrf51-pinctrl.dtsi"
 
 / {
 	model = "Seeed Studio Carbon nRF51 96board";
@@ -30,26 +31,26 @@
 
 &i2c0 {
 	status = "okay";
-	sda-pin = <28>;
-	scl-pin = <2>;
+	pinctrl-0 = <&i2c0_default>;
+	pinctrl-1 = <&i2c0_sleep>;
+	pinctrl-names = "default", "sleep";
 };
 
 &uart0 {
 	current-speed = <115200>;
 	status = "okay";
-	tx-pin = <29>;
-	rx-pin = <11>;
+	pinctrl-0 = <&uart0_default>;
+	pinctrl-1 = <&uart0_sleep>;
+	pinctrl-names = "default", "sleep";
 };
 
 &spi1 {
 	compatible = "nordic,nrf-spis";
 	status = "okay";
-	sck-pin = <7>;
-	mosi-pin = <0>;
-	miso-pin = <30>;
-	csn-pin = <25>;
 	def-char = <0x00>;
 
+	pinctrl-0 = <&spi1_default>;
+	pinctrl-names = "default";
 	bt-hci@0 {
 		compatible = "zephyr,bt-hci-spi-slave";
 		reg = <0>;
diff --git a/boards/arm/96b_carbon_nrf51/96b_carbon_nrf51_defconfig b/boards/arm/96b_carbon_nrf51/96b_carbon_nrf51_defconfig
index d44eba44786..22590947ca7 100644
--- a/boards/arm/96b_carbon_nrf51/96b_carbon_nrf51_defconfig
+++ b/boards/arm/96b_carbon_nrf51/96b_carbon_nrf51_defconfig
@@ -16,3 +16,5 @@ CONFIG_UART_CONSOLE=y
 # spi
 CONFIG_SPI=y
 CONFIG_SPI_SLAVE=y
+
+CONFIG_PINCTRL=y