Initial bring up of 7skb for zmk

zmk-config/config/boards/shields/7skb/7skb.dtsi

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2021 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";
+		rows = <5>;
+		columns = <16>;
+		map = <
+RC(0,0) RC(0,1) RC(0,2) RC(0,3) RC(0,4) RC(0,5)    RC(0,8) RC(0,9) RC(0,10) RC(0,11) RC(0,12) RC(0,13) RC(0,14) RC(0,15) RC(1,15)
+RC(1,0) RC(1,1) RC(1,2) RC(1,3) RC(1,4) RC(1,5)    RC(1,8) RC(1,9) RC(1,10) RC(1,11) RC(1,12) RC(1,13) RC(1,14) RC(2,15)
+RC(2,0) RC(2,1) RC(2,2) RC(2,3) RC(2,4) RC(2,5)    RC(2,8) RC(2,9) RC(2,10) RC(2,11) RC(2,12) RC(2,13) RC(2,14)
+RC(3,0) RC(3,1) RC(3,2) RC(3,3) RC(3,4) RC(3,5)    RC(3,8) RC(3,9) RC(3,10) RC(3,11) RC(3,12) RC(3,13) RC(3,14)
+        RC(4,1) RC(4,2) RC(4,3) RC(4,4)            RC(4,8) RC(4,9)          RC(4,11) RC(4,12)
+		>;
+	};
+
+	kscan0: kscan {
+		compatible = "zmk,kscan-gpio-matrix";
+		label = "KSCAN";
+
+		diode-direction = "col2row";
+		row-gpios
+			= <&pro_micro_d 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&pro_micro_d 5 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&pro_micro_d 6 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&pro_micro_d 7 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&pro_micro_d 8 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			;
+
+		col-gpios
+			= <&pro_micro_a 3 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&pro_micro_a 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&pro_micro_a 1 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&pro_micro_a 0 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&pro_micro_d 15 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&pro_micro_d 14 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&pro_micro_d 16 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&pro_micro_d 9 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			;
+		
+	};
+};

zmk-config/config/boards/shields/7skb/7skb.keymap

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2021 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <behaviors.dtsi>
+#include <dt-bindings/zmk/keys.h>
+#include <dt-bindings/zmk/bt.h>
+
+/ {
+        keymap {
+                compatible = "zmk,keymap";
+
+                default_layer {
+                        bindings = <
+   &kp ESC   &kp N1 &kp N2 &kp N3 &kp N4 &kp N5 &kp N6 &kp N7 &kp N8 &kp N9 &kp N0 &kp MINUS &kp EQUAL &kp BACKSLASH &kp GRAVE
+   &kp TAB &kp Q &kp W &kp E &kp R &kp T &kp Y &kp U &kp I &kp O &kp P &kp LBRC &kp RBRC &kp BACKSPACE
+   &kp LCTRL &kp A &kp S &kp D &kp F &kp G &kp H &kp J &kp K &kp L &kp SEMI &kp SINGLE_QUOTE &kp ENTER
+   &kp LSHFT &kp Z &kp X &kp C &kp V &kp B &kp N &kp M &kp COMMA &kp DOT &kp SLASH &kp RSHFT &kp N7
+   &kp LALT &kp LGUI &kp SPACE &kp N1 &kp N2 &kp SPACE &kp RGUI &kp RALT
+                        >;
+                };
+        };
+};

zmk-config/config/boards/shields/7skb/7skb_left.overlay

@@ -0,0 +1,7 @@
+/*
+ * Copyright (c) 2021 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include "7skb.dtsi"

zmk-config/config/boards/shields/7skb/7skb_right.overlay

@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) 2021 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include "7skb.dtsi"
+
+&default_transform {
+	col-offset = <8>;
+};

zmk-config/config/boards/shields/7skb/Kconfig.defconfig

@@ -0,0 +1,23 @@
+if SHIELD_7SKB_LEFT
+
+config ZMK_KEYBOARD_NAME
+	default "7skb"
+
+config ZMK_SPLIT_BLE_ROLE_CENTRAL
+	default y
+
+endif
+
+if SHIELD_7SKB_RIGHT
+
+config ZMK_KEYBOARD_NAME
+	default "7skb Right"
+	
+endif
+
+if SHIELD_7SKB_LEFT || SHIELD_7SKB_RIGHT
+
+config ZMK_SPLIT
+	default y
+
+endif

zmk-config/config/boards/shields/7skb/Kconfig.shield

@@ -0,0 +1,8 @@
+# Copyright (c) 2021 The ZMK Contributors
+# SPDX-License-Identifier: MIT
+
+config SHIELD_7SKB_LEFT
+	def_bool $(shields_list_contains,7skb_left)
+
+config SHIELD_7SKB_RIGHT
+	def_bool $(shields_list_contains,7skb_right)

zmk-config/config/boards/shields/7skb/boards/nice_nano.conf

@@ -0,0 +1,4 @@
+# Enable underglow
+CONFIG_ZMK_RGB_UNDERGLOW=y
+# Use the STRIP config specific to the LEDs you're using
+CONFIG_WS2812_STRIP=y

zmk-config/config/boards/shields/7skb/boards/nice_nano.overlay

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2021 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+&spi1 {
+	compatible = "nordic,nrf-spim";
+	status = "okay";
+	mosi-pin = <6>;
+	// Unused pins, needed for SPI definition, but not used by the ws2812 driver itself.
+	sck-pin = <5>;
+	miso-pin = <7>;
+
+	led_strip: ws2812@0 {
+		compatible = "worldsemi,ws2812-spi";
+		label = "WS2812";
+
+		/* SPI */
+		reg = <0>; /* ignored, but necessary for SPI bindings */
+		spi-max-frequency = <4000000>;
+
+		/* WS2812 */
+		chain-length = <8>; /* number of LEDs */
+		spi-one-frame = <0x70>;
+		spi-zero-frame = <0x40>;
+	};
+};
+
+/ {
+	chosen {
+		zmk,underglow = &led_strip;
+	};
+};