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rp2040: implement I2C

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This implements I2C for the rp2040 target. All output groupings of both
I2C blocks are available for use.

Signed-off-by: Lasse Dalegaard <dalegaard@gmail.com>
This commit is contained in:
Lasse Dalegaard
2021-12-12 12:13:13 +01:00
committed by KevinOConnor
parent 6e6ad7b520
commit 090fcf928f
4 changed files with 227 additions and 0 deletions
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src/rp2040/Makefile
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@@ -21,6 +21,7 @@ src-$(CONFIG_USBSERIAL) += rp2040/chipid.c
src-$(CONFIG_SERIAL) += rp2040/serial.c generic/serial_irq.c
src-$(CONFIG_HAVE_GPIO_HARD_PWM) += rp2040/hard_pwm.c
src-$(CONFIG_HAVE_GPIO_SPI) += rp2040/spi.c
src-$(CONFIG_HAVE_GPIO_I2C) += rp2040/i2c.c
# rp2040 stage2 building
$(OUT)stage2.o: lib/rp2040/boot_stage2/boot2_w25q080.S