qmk_firmware/keyboards/moon/rules.mk

# custom matrix setup
CUSTOM_MATRIX = yes

VPATH += drivers/gpio
SRC += pca9555.c matrix.c
I2C_DRIVER_REQUIRED = yes
Relocate pca9555 driver to core (#6563) * Move pca9555 files to central location * Get pca9555 boards compiling * Slight alignment of rules.mk 2019-08-22 16:27:18 +02:00			`# custom matrix setup`
[Keyboard] Add keyboard Moon (#5976) 2019-05-28 19:57:17 +02:00			`CUSTOM_MATRIX = yes`
Relocate pca9555 driver to core (#6563) * Move pca9555 files to central location * Get pca9555 boards compiling * Slight alignment of rules.mk 2019-08-22 16:27:18 +02:00
			`VPATH += drivers/gpio`
			`SRC += pca9555.c matrix.c`
Dedupe I2C, SPI, UART driver inclusions (#22253) 2023-10-13 08:25:32 +02:00			`I2C_DRIVER_REQUIRED = yes`