Add Sinc Rev. 4 (#21130)

* Fork Rev. 3 to 4

* Update RGB LED positions

* Adjust RGB positions

* Enable more RGB modes

* Update copyrights

* Add license headers to keymaps

* Use same type of license header

Co-authored-by: Joel Challis <git@zvecr.com>

* Fix I2C pins

---------

Co-authored-by: Joel Challis <git@zvecr.com>

1 files changed, 72 insertions, 0 deletions

diff --git a/keyboards/keebio/sinc/rev4/config.h b/keyboards/keebio/sinc/rev4/config.h
new file mode 100644
index 0000000000..b6c5785f4c
--- /dev/null
+++ b/keyboards/keebio/sinc/rev4/config.h
@@ -0,0 +1,72 @@
+// Copyright 2023 Danny Nguyen (danny@keeb.io)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#define SPLIT_HAND_PIN GP4
+#define USB_VBUS_PIN GP14
+#define SERIAL_USART_FULL_DUPLEX
+#define SERIAL_USART_TX_PIN GP0
+#define SERIAL_USART_RX_PIN GP1
+#define SERIAL_USART_PIN_SWAP
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET_TIMEOUT 1000U
+#define I2C_DRIVER I2CD1
+#define I2C1_SDA_PIN GP22
+#define I2C1_SCL_PIN GP23
+
+// RGB Matrix
+#define ENABLE_RGB_MATRIX_ALPHAS_MODS
+#define ENABLE_RGB_MATRIX_GRADIENT_UP_DOWN
+#define ENABLE_RGB_MATRIX_GRADIENT_LEFT_RIGHT
+#define ENABLE_RGB_MATRIX_BREATHING
+#define ENABLE_RGB_MATRIX_BAND_SAT
+#define ENABLE_RGB_MATRIX_BAND_VAL
+#define ENABLE_RGB_MATRIX_BAND_PINWHEEL_SAT
+#define ENABLE_RGB_MATRIX_BAND_PINWHEEL_VAL
+#define ENABLE_RGB_MATRIX_BAND_SPIRAL_SAT
+#define ENABLE_RGB_MATRIX_BAND_SPIRAL_VAL
+#define ENABLE_RGB_MATRIX_CYCLE_ALL
+#define ENABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT
+#define ENABLE_RGB_MATRIX_CYCLE_UP_DOWN
+#define ENABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON
+#define ENABLE_RGB_MATRIX_CYCLE_OUT_IN
+#define ENABLE_RGB_MATRIX_CYCLE_OUT_IN_DUAL
+#define ENABLE_RGB_MATRIX_CYCLE_PINWHEEL
+#define ENABLE_RGB_MATRIX_CYCLE_SPIRAL
+#define ENABLE_RGB_MATRIX_DUAL_BEACON
+#define ENABLE_RGB_MATRIX_RAINBOW_BEACON
+#define ENABLE_RGB_MATRIX_RAINBOW_PINWHEELS
+#define ENABLE_RGB_MATRIX_RAINDROPS
+#define ENABLE_RGB_MATRIX_JELLYBEAN_RAINDROPS
+#define ENABLE_RGB_MATRIX_HUE_BREATHING
+#define ENABLE_RGB_MATRIX_HUE_PENDULUM
+#define ENABLE_RGB_MATRIX_HUE_WAVE
+#define ENABLE_RGB_MATRIX_FRACTAL
+#define ENABLE_RGB_MATRIX_PIXEL_RAIN
+#define ENABLE_RGB_MATRIX_PIXEL_FLOW
+#define ENABLE_RGB_MATRIX_PIXEL_FRACTAL
+// enabled only if RGB_MATRIX_FRAMEBUFFER_EFFECTS is defined
+#define ENABLE_RGB_MATRIX_TYPING_HEATMAP
+#define ENABLE_RGB_MATRIX_DIGITAL_RAIN
+// enabled only of RGB_MATRIX_KEYPRESSES or RGB_MATRIX_KEYRELEASES is defined
+#define ENABLE_RGB_MATRIX_SOLID_REACTIVE_SIMPLE
+#define ENABLE_RGB_MATRIX_SOLID_REACTIVE
+#define ENABLE_RGB_MATRIX_SOLID_REACTIVE_WIDE
+#define ENABLE_RGB_MATRIX_SOLID_REACTIVE_MULTIWIDE
+#define ENABLE_RGB_MATRIX_SOLID_REACTIVE_CROSS
+#define ENABLE_RGB_MATRIX_SOLID_REACTIVE_MULTICROSS
+#define ENABLE_RGB_MATRIX_SOLID_REACTIVE_NEXUS
+#define ENABLE_RGB_MATRIX_SOLID_REACTIVE_MULTINEXUS
+#define ENABLE_RGB_MATRIX_SPLASH
+#define ENABLE_RGB_MATRIX_MULTISPLASH
+#define ENABLE_RGB_MATRIX_SOLID_SPLASH
+#define ENABLE_RGB_MATRIX_SOLID_MULTISPLASH
+
+#define RGB_MATRIX_MAXIMUM_BRIGHTNESS 120
+#define RGB_MATRIX_DEFAULT_VAL RGB_MATRIX_MAXIMUM_BRIGHTNESS
+#define RGB_MATRIX_LED_COUNT 117
+#define RGB_DISABLE_WHEN_USB_SUSPENDED
+#define RGB_MATRIX_FRAMEBUFFER_EFFECTS
+#define RGB_MATRIX_KEYPRESSES
+#define SPLIT_TRANSPORT_MIRROR