[Keyboard] Add Binepad Pixie (#21524)

* Add Binepad Pixie

* Post waffle87 and drashna review recommendations applied

* Post-drashna code review suggestions applied

Co-authored-by: Drashna Jaelre <drashna@live.com>

* post zvecr review

---------

Co-authored-by: Drashna Jaelre <drashna@live.com>

keyboards/binepad/pixie/config.h

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+// Copyright 2023 binepad (@binepad)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#define ENCODER_DEFAULT_POS 0x3  // enable 1:1 resolution

keyboards/binepad/pixie/info.json

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+{
+    "manufacturer": "binepad",
+    "keyboard_name": "PIXIE",
+    "url": "http://binepad.com",
+    "maintainer": "binepad",
+    "processor": "RP2040",
+    "bootloader": "rp2040",
+    "diode_direction": "COL2ROW",
+    "usb": {
+        "vid": "0x4249",
+        "pid": "0x5078",
+        "device_version": "1.0.0"
+    },
+    "features": {
+        "bootmagic": true,
+        "command": false,
+        "console": false,
+        "extrakey": true,
+        "mousekey": true,
+        "nkro": false,
+        "encoder": true
+    },
+    "matrix_pins": {
+        "cols": ["GP19", "GP4"],
+        "rows": ["GP28", "GP5"]
+    },
+    "encoder": {
+        "rotary": [
+            {
+                "pin_a": "GP18",
+                "pin_b": "GP17"
+            },
+            {
+                "pin_a": "GP20",
+                "pin_b": "GP21"
+            }
+        ]
+    },
+    "layouts": {
+        "LAYOUT": {
+            "layout": [
+                { "matrix": [0, 0], "x": 0, "y": 0 },
+                { "matrix": [0, 1], "x": 1.25, "y": 0 },
+                { "matrix": [1, 0], "x": 0, "y": 1.25 },
+                { "matrix": [1, 1], "x": 1.25, "y": 1.25 }
+            ]
+        }
+    }
+}

keyboards/binepad/pixie/keymaps/default/keymap.c

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+// Copyright 2023 Binepad (@binpad)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [0] = LAYOUT(
+        KC_MUTE, KC_MPLY,
+        KC_MPRV, KC_MNXT
+    )
+};
+
+#if defined(ENCODER_MAP_ENABLE)
+
+const uint16_t PROGMEM encoder_map[][NUM_ENCODERS][NUM_DIRECTIONS] = {
+    [0] = {
+        ENCODER_CCW_CW(KC_VOLD, KC_VOLU),
+        ENCODER_CCW_CW(KC_WH_U, KC_WH_D)
+    }
+};
+
+#endif

keyboards/binepad/pixie/keymaps/default/rules.mk

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+
+ENCODER_MAP_ENABLE = yes

keyboards/binepad/pixie/keymaps/via/keymap.c

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+// Copyright 2023 Binepad (@binpad)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [0] = LAYOUT(
+        KC_MUTE, KC_MPLY,
+        KC_MPRV, KC_MNXT
+    )
+};
+
+#if defined(ENCODER_MAP_ENABLE)
+
+const uint16_t PROGMEM encoder_map[][NUM_ENCODERS][NUM_DIRECTIONS] = {
+    [0] = {
+        ENCODER_CCW_CW(KC_VOLD, KC_VOLU),
+        ENCODER_CCW_CW(KC_WH_U, KC_WH_D)
+    }
+};
+
+#endif

keyboards/binepad/pixie/keymaps/via/rules.mk

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+
+VIA_ENABLE = yes
+ENCODER_MAP_ENABLE = yes

keyboards/binepad/pixie/readme.md

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+# BINEPAD PIXIE
+
+![BINEPAD PIXIE](https://i.imgur.com/OnQnkdUh.jpeg)
+
+*A 2x2 macropad with 2x rotary encoders*
+
+* Keyboard Maintainer: [binepad](https://github.com/binepad)
+* Hardware Supported: BINPAD PIXIE
+* Hardware Availability: [binepad.com](https://www.binepad.com/pixie)
+
+Make example for this keyboard (after setting up your build environment):
+
+    make binepad/pixie:default
+
+Flashing example for this keyboard:
+
+    make binepad/pixie:default:flash
+
+See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
+
+## Bootloader
+
+Enter the bootloader in 3 ways:
+
+* **Bootmagic reset**: Hold down the key at (010) in the matrix (the bottom left key) and plug in the keyboard
+* **Physical reset button**: Briefly press the PCB button located on the back of the PCB
+* **Keycode in layout**: Press the key mapped to `QK_BOOT` or `RESET` if it is available

keyboards/binepad/pixie/rules.mk

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+# This file intentionally left blank