Use boards overlay structure

app/boards/arm/nice_nano/nice_nano.dtsi

@@ -49,13 +49,6 @@
 	scl-pin = <20>;
 };
 
-&spi0 {
-	compatible = "nordic,nrf-spim";
-	sck-pin = <20>;
-	mosi-pin = <17>;
-	miso-pin = <25>;
-};
-
 &uart0 {
 	compatible = "nordic,nrf-uarte";
 	tx-pin = <6>;
@@ -70,7 +63,6 @@
 	};
 };
 
-nice_view_spi: &spi0 {};
 
 &flash0 {
 	/*

app/boards/shields/nice_view/boards/nice_nano.overlay

@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2022 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+nice_view_spi: &spi0 {
+	compatible = "nordic,nrf-spim";
+	status = "okay";
+	sck-pin = <20>;
+	mosi-pin = <17>;
+	miso-pin = <25>;
+	cs-gpios = <&pro_micro 1 GPIO_ACTIVE_HIGH>;
+};
+
+&pro_micro_i2c {
+	status = "disabled";
+};
+
+#include "../nice_view.dtsi"

app/boards/shields/nice_view/boards/nice_nano_v2.overlay

@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2022 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+nice_view_spi: &spi0 {
+	compatible = "nordic,nrf-spim";
+	status = "okay";
+	sck-pin = <20>;
+	mosi-pin = <17>;
+	miso-pin = <25>;
+	cs-gpios = <&pro_micro 1 GPIO_ACTIVE_HIGH>;
+};
+
+&pro_micro_i2c {
+	status = "disabled";
+};
+
+#include "../nice_view.dtsi"

app/boards/shields/nice_view/nice_view.dtsi

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2022 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+&nice_view_spi {
+	nice_view: ls0xx@0 {
+		compatible = "sharp,ls0xx";
+		label = "DISPLAY";
+		spi-max-frequency = <1000000>;
+		reg = <0>;
+		width = <160>;
+		height = <68>;
+	};
+};
+
+/ {
+	chosen {
+		zephyr,display = &nice_view;
+	};
+};

app/boards/shields/nice_view/nice_view.overlay

@@ -3,27 +3,4 @@
  *
  * SPDX-License-Identifier: MIT
  */
-
+ 
-&nice_view_spi {
-	status = "okay";
-	cs-gpios = <&pro_micro 1 GPIO_ACTIVE_HIGH>;
-
-	nice_view: ls0xx@0 {
-		compatible = "sharp,ls0xx";
-		label = "DISPLAY";
-		spi-max-frequency = <1000000>;
-		reg = <0>;
-		width = <160>;
-		height = <68>;
-	};
-};
-
-&pro_micro_i2c {
-	status = "disabled";
-};
-
-/ {
-	chosen {
-		zephyr,display = &nice_view;
-	};
-};

app/boards/shields/nice_view/nice_view.zmk.yml

@@ -3,6 +3,5 @@ id: nice_view
 name: nice!view
 type: shield
 url: https://nicekeyboards.com/nice-view
-requires: [pro_micro, i2c_oled]
 features:
   - display