feat(shields): Add a Reviung5 shield

Co-authored-by: Pete Johanson <peter@peterjohanson.com>

app/boards/shields/reviung5/Kconfig.defconfig

@@ -0,0 +1,9 @@
+# Copyright (c) 2022 The ZMK Contributors
+# SPDX-License-Identifier: MIT
+
+if SHIELD_REVIUNG5
+
+config ZMK_KEYBOARD_NAME
+    default "Reviung5"
+
+endif

app/boards/shields/reviung5/Kconfig.shield

@@ -0,0 +1,4 @@
+# Copyright (c) 2022 The ZMK Contributors
+# SPDX-License-Identifier: MIT
+config SHIELD_REVIUNG5
+    def_bool $(shields_list_contains,reviung5)

app/boards/shields/reviung5/reviung5.conf

@@ -0,0 +1,3 @@
+# Encoder support. Uncomment to enable.
+# CONFIG_EC11=y
+# CONFIG_EC11_TRIGGER_GLOBAL_THREAD=y

app/boards/shields/reviung5/reviung5.keymap

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2022 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <behaviors.dtsi>
+#include <dt-bindings/zmk/keys.h>
+#include <dt-bindings/zmk/bt.h>
+#include <dt-bindings/zmk/outputs.h>
+
+#define BASE 0
+#define BLE 1
+
+/ {
+        keymap {
+            compatible = "zmk,keymap";
+
+            base_layer {
+              label = "BASE";
+              bindings = <
+                // ╭─────────────┬──────────────┬──────────────────┬─────────────┬─────────────╮
+                     &mo BLE      &kp C_PREVIOUS  &kp C_PLAY_PAUSE    &kp C_NEXT   &kp C_MUTE
+                // ╰─────────────┴──────────────┴──────────────────┴─────────────┴─────────────╯
+              >;
+              sensor-bindings = <&inc_dec_kp C_VOL_UP C_VOL_DN>;
+            };
+
+            ble_layer {
+              label = "BLE";
+              bindings = <
+                // ╭─────────────┬─────────────┬─────────────┬─────────────┬─────────────╮
+                     &trans     &out OUT_TOG   &bt BT_PRV    &bt BT_NXT    &bt BT_CLR
+                // ╰─────────────┴─────────────┴─────────────┴─────────────┴─────────────╯
+              >;
+            };
+        };
+};

app/boards/shields/reviung5/reviung5.overlay

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2022 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 = <5>;
+        rows = <1>;
+
+        map = <RC(0,0) RC(0,1) RC(0,2) RC(0,3) RC(0,4)>;
+    };
+
+    kscan0: kscan_0 {
+            compatible = "zmk,kscan-gpio-matrix";
+            label = "KSCAN";
+            diode-direction = "col2row";
+
+            col-gpios
+                = <&pro_micro 4 GPIO_ACTIVE_HIGH>
+                , <&pro_micro 5 GPIO_ACTIVE_HIGH>
+                , <&pro_micro 6 GPIO_ACTIVE_HIGH>
+                , <&pro_micro 7 GPIO_ACTIVE_HIGH>
+                , <&pro_micro 8 GPIO_ACTIVE_HIGH>
+                ;
+
+            row-gpios
+                = <&pro_micro 21 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+                ;
+    };
+
+    encoder: encoder {
+        compatible = "alps,ec11";
+        label = "encoder";
+        a-gpios = <&pro_micro 3 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
+        b-gpios = <&pro_micro 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
+        resolution = <4>;
+        status = "okay";
+    };
+
+    sensors {
+        compatible = "zmk,keymap-sensors";
+        sensors = <&encoder>;
+    };
+};

app/boards/shields/reviung5/reviung5.zmk.yml

@@ -0,0 +1,9 @@
+file_format: "1"
+id: reviung5
+name: REVIUNG5
+type: shield
+url: https://github.com/gtips/reviung/tree/master/reviung5
+requires: [pro_micro]
+features:
+  - keys
+  - encoder