forgot dtsi

config/boards/shields/chaz/chaz.dtsi

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2023 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <dt-bindings/zmk/matrix_transform.h>
+/ {
+    chosen {
+        zmk,kscan = &kscan0;
+        zmk,matrix_transform = &default_transform;
+    };
+
+    default_transform: keymap_transform_0 {
+        compatible = "zmk,matrix-transform";
+        columns = <8>;
+        rows = <5>;
+
+        map = <
+          RC(0,0) RC(0,1) RC(0,2) RC(0,3) RC(0,4) RC(4,0) RC(4,1) RC(4,2) RC(4,3) RC(4,4) 
+          RC(1,0) RC(1,1) RC(1,2) RC(1,3) RC(1,4) RC(5,0) RC(5,1) RC(5,2) RC(5,3) RC(5,4) 
+          RC(2,0) RC(2,1) RC(2,2) RC(2,3) RC(2,4) RC(6,0) RC(6,1) RC(6,2) RC(6,0) 
+          RC(3,0) RC(3,1) RC(3,2) RC(3,3) RC(7,0) RC(7,1) RC(7,2) RC(7,4)
+        >;
+    };
+
+    kscan0: kscan_0 {        
+        compatible = "zmk,kscan-gpio-matrix";
+        label = "KSCAN";
+        diode-direction = "col2row";
+
+        col-gpios
+            = <&pro_micro 9 GPIO_ACTIVE_HIGH>
+            , <&pro_micro 8 GPIO_ACTIVE_HIGH>
+            , <&pro_micro 7 GPIO_ACTIVE_HIGH>
+            , <&pro_micro 6 GPIO_ACTIVE_HIGH>
+            , <&pro_micro 5 GPIO_ACTIVE_HIGH>
+            ;
+
+        row-gpios
+            = <&pro_micro 1 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+            , <&pro_micro 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+            , <&pro_micro 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+            , <&pro_micro 20 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+            , <&pro_micro 0 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+            , <&pro_micro 3 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+            , <&pro_micro 19 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+            , <&pro_micro 21 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+            ;
+    };
+};