diff --git a/config/boards/shields/hillside46/boards/nice_nano.overlay b/config/boards/shields/hillside46/boards/nice_nano.overlay
index debed23e3..044a97fc0 100644
--- a/config/boards/shields/hillside46/boards/nice_nano.overlay
+++ b/config/boards/shields/hillside46/boards/nice_nano.overlay
@@ -4,13 +4,27 @@
 
 #include <dt-bindings/led/led.h>
 
-&spi1 {
+&pinctrl {
+	spi3_default: spi3_default {
+		group1 {
+			psels = <NRF_PSEL(SPIM_MOSI, 0, 6)>;
+		};
+	};
+
+	spi3_sleep: spi3_sleep {
+		group1 {
+			psels = <NRF_PSEL(SPIM_MOSI, 0, 6)>;
+			low-power-enable;
+		};
+	};
+};
+
+&spi3 {
 	compatible = "nordic,nrf-spim";
 	status = "okay";
-	mosi-pin = <6>;
-	// Unused pins, needed for SPI def, but not used by ws2812 driver.
-	sck-pin = <5>;
-	miso-pin = <7>;
+	pinctrl-0 = <&spi3_default>;
+	pinctrl-1 = <&spi3_sleep>;
+	pinctrl-names = "default", "sleep";
 
 	led_strip: ws2812@0 {
 		compatible = "worldsemi,ws2812-spi";
@@ -24,10 +38,10 @@
 		chain-length = <4>; /* arbitrary; change at will */
 		spi-one-frame = <0x70>;
 		spi-zero-frame = <0x40>;
-                color-mapping = <LED_COLOR_ID_GREEN
-                                 LED_COLOR_ID_RED
-                                 LED_COLOR_ID_BLUE>;
-        };
+		color-mapping = <LED_COLOR_ID_GREEN
+							LED_COLOR_ID_RED
+							LED_COLOR_ID_BLUE>;
+		};
 };
 
 / {
diff --git a/config/boards/shields/hillside46/boards/nice_nano_v2.overlay b/config/boards/shields/hillside46/boards/nice_nano_v2.overlay
index debed23e3..044a97fc0 100644
--- a/config/boards/shields/hillside46/boards/nice_nano_v2.overlay
+++ b/config/boards/shields/hillside46/boards/nice_nano_v2.overlay
@@ -4,13 +4,27 @@
 
 #include <dt-bindings/led/led.h>
 
-&spi1 {
+&pinctrl {
+	spi3_default: spi3_default {
+		group1 {
+			psels = <NRF_PSEL(SPIM_MOSI, 0, 6)>;
+		};
+	};
+
+	spi3_sleep: spi3_sleep {
+		group1 {
+			psels = <NRF_PSEL(SPIM_MOSI, 0, 6)>;
+			low-power-enable;
+		};
+	};
+};
+
+&spi3 {
 	compatible = "nordic,nrf-spim";
 	status = "okay";
-	mosi-pin = <6>;
-	// Unused pins, needed for SPI def, but not used by ws2812 driver.
-	sck-pin = <5>;
-	miso-pin = <7>;
+	pinctrl-0 = <&spi3_default>;
+	pinctrl-1 = <&spi3_sleep>;
+	pinctrl-names = "default", "sleep";
 
 	led_strip: ws2812@0 {
 		compatible = "worldsemi,ws2812-spi";
@@ -24,10 +38,10 @@
 		chain-length = <4>; /* arbitrary; change at will */
 		spi-one-frame = <0x70>;
 		spi-zero-frame = <0x40>;
-                color-mapping = <LED_COLOR_ID_GREEN
-                                 LED_COLOR_ID_RED
-                                 LED_COLOR_ID_BLUE>;
-        };
+		color-mapping = <LED_COLOR_ID_GREEN
+							LED_COLOR_ID_RED
+							LED_COLOR_ID_BLUE>;
+		};
 };
 
 / {
diff --git a/config/boards/shields/hillside48/boards/nice_nano.overlay b/config/boards/shields/hillside48/boards/nice_nano.overlay
index 30f03ba12..35366005c 100644
--- a/config/boards/shields/hillside48/boards/nice_nano.overlay
+++ b/config/boards/shields/hillside48/boards/nice_nano.overlay
@@ -4,13 +4,27 @@
 
 #include <dt-bindings/led/led.h>
 
-&spi1 {
+&pinctrl {
+	spi3_default: spi3_default {
+		group1 {
+			psels = <NRF_PSEL(SPIM_MOSI, 0, 6)>;
+		};
+	};
+
+	spi3_sleep: spi3_sleep {
+		group1 {
+			psels = <NRF_PSEL(SPIM_MOSI, 0, 6)>;
+			low-power-enable;
+		};
+	};
+};
+
+&spi3 {
 	compatible = "nordic,nrf-spim";
 	status = "okay";
-	mosi-pin = <6>;
-	// Unused pins, needed for SPI def, but not used by ws2812 driver.
-	sck-pin = <5>;
-	miso-pin = <7>;
+	pinctrl-0 = <&spi3_default>;
+	pinctrl-1 = <&spi3_sleep>;
+	pinctrl-names = "default", "sleep";
 
 	led_strip: ws2812@0 {
 		compatible = "worldsemi,ws2812-spi";
@@ -24,10 +38,10 @@
 		chain-length = <5>; /* arbitrary; change at will */
 		spi-one-frame = <0x70>;
 		spi-zero-frame = <0x40>;
-                color-mapping = <LED_COLOR_ID_GREEN
-                                 LED_COLOR_ID_RED
-                                 LED_COLOR_ID_BLUE>;
-        };
+		color-mapping = <LED_COLOR_ID_GREEN
+							LED_COLOR_ID_RED
+							LED_COLOR_ID_BLUE>;
+		};
 };
 
 / {
diff --git a/config/boards/shields/hillside48/boards/nice_nano_v2.overlay b/config/boards/shields/hillside48/boards/nice_nano_v2.overlay
index 30f03ba12..35366005c 100644
--- a/config/boards/shields/hillside48/boards/nice_nano_v2.overlay
+++ b/config/boards/shields/hillside48/boards/nice_nano_v2.overlay
@@ -4,13 +4,27 @@
 
 #include <dt-bindings/led/led.h>
 
-&spi1 {
+&pinctrl {
+	spi3_default: spi3_default {
+		group1 {
+			psels = <NRF_PSEL(SPIM_MOSI, 0, 6)>;
+		};
+	};
+
+	spi3_sleep: spi3_sleep {
+		group1 {
+			psels = <NRF_PSEL(SPIM_MOSI, 0, 6)>;
+			low-power-enable;
+		};
+	};
+};
+
+&spi3 {
 	compatible = "nordic,nrf-spim";
 	status = "okay";
-	mosi-pin = <6>;
-	// Unused pins, needed for SPI def, but not used by ws2812 driver.
-	sck-pin = <5>;
-	miso-pin = <7>;
+	pinctrl-0 = <&spi3_default>;
+	pinctrl-1 = <&spi3_sleep>;
+	pinctrl-names = "default", "sleep";
 
 	led_strip: ws2812@0 {
 		compatible = "worldsemi,ws2812-spi";
@@ -24,10 +38,10 @@
 		chain-length = <5>; /* arbitrary; change at will */
 		spi-one-frame = <0x70>;
 		spi-zero-frame = <0x40>;
-                color-mapping = <LED_COLOR_ID_GREEN
-                                 LED_COLOR_ID_RED
-                                 LED_COLOR_ID_BLUE>;
-        };
+		color-mapping = <LED_COLOR_ID_GREEN
+							LED_COLOR_ID_RED
+							LED_COLOR_ID_BLUE>;
+		};
 };
 
 / {
diff --git a/config/boards/shields/hillside52/boards/nice_nano.overlay b/config/boards/shields/hillside52/boards/nice_nano.overlay
index 5883db559..39026f515 100644
--- a/config/boards/shields/hillside52/boards/nice_nano.overlay
+++ b/config/boards/shields/hillside52/boards/nice_nano.overlay
@@ -4,13 +4,27 @@
 
 #include <dt-bindings/led/led.h>
 
-&spi1 {
+&pinctrl {
+	spi3_default: spi3_default {
+		group1 {
+			psels = <NRF_PSEL(SPIM_MOSI, 0, 6)>;
+		};
+	};
+
+	spi3_sleep: spi3_sleep {
+		group1 {
+			psels = <NRF_PSEL(SPIM_MOSI, 0, 6)>;
+			low-power-enable;
+		};
+	};
+};
+
+&spi3 {
 	compatible = "nordic,nrf-spim";
 	status = "okay";
-	mosi-pin = <6>;
-	// Unused pins, needed for SPI def, but not used by ws2812 driver.
-	sck-pin = <5>;
-	miso-pin = <7>;
+	pinctrl-0 = <&spi3_default>;
+	pinctrl-1 = <&spi3_sleep>;
+	pinctrl-names = "default", "sleep";
 
 	led_strip: ws2812@0 {
 		compatible = "worldsemi,ws2812-spi";
@@ -24,10 +38,10 @@
 		chain-length = <5>; /* arbitrary; change at will */
 		spi-one-frame = <0x70>;
 		spi-zero-frame = <0x40>;
-                color-mapping = <LED_COLOR_ID_GREEN
-                                 LED_COLOR_ID_RED
-                                 LED_COLOR_ID_BLUE>;
-        };
+		color-mapping = <LED_COLOR_ID_GREEN
+							LED_COLOR_ID_RED
+							LED_COLOR_ID_BLUE>;
+		};
 };
 
 / {
diff --git a/config/boards/shields/hillside52/boards/nice_nano_v2.overlay b/config/boards/shields/hillside52/boards/nice_nano_v2.overlay
index 5883db559..39026f515 100644
--- a/config/boards/shields/hillside52/boards/nice_nano_v2.overlay
+++ b/config/boards/shields/hillside52/boards/nice_nano_v2.overlay
@@ -4,13 +4,27 @@
 
 #include <dt-bindings/led/led.h>
 
-&spi1 {
+&pinctrl {
+	spi3_default: spi3_default {
+		group1 {
+			psels = <NRF_PSEL(SPIM_MOSI, 0, 6)>;
+		};
+	};
+
+	spi3_sleep: spi3_sleep {
+		group1 {
+			psels = <NRF_PSEL(SPIM_MOSI, 0, 6)>;
+			low-power-enable;
+		};
+	};
+};
+
+&spi3 {
 	compatible = "nordic,nrf-spim";
 	status = "okay";
-	mosi-pin = <6>;
-	// Unused pins, needed for SPI def, but not used by ws2812 driver.
-	sck-pin = <5>;
-	miso-pin = <7>;
+	pinctrl-0 = <&spi3_default>;
+	pinctrl-1 = <&spi3_sleep>;
+	pinctrl-names = "default", "sleep";
 
 	led_strip: ws2812@0 {
 		compatible = "worldsemi,ws2812-spi";
@@ -24,10 +38,10 @@
 		chain-length = <5>; /* arbitrary; change at will */
 		spi-one-frame = <0x70>;
 		spi-zero-frame = <0x40>;
-                color-mapping = <LED_COLOR_ID_GREEN
-                                 LED_COLOR_ID_RED
-                                 LED_COLOR_ID_BLUE>;
-        };
+		color-mapping = <LED_COLOR_ID_GREEN
+							LED_COLOR_ID_RED
+							LED_COLOR_ID_BLUE>;
+		};
 };
 
 / {