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boards: arm: lpcxpresso55s16: enable I2C support

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Enable I2C support for the NXP LPCXpresso55S16 EVK development board.

Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>
This commit is contained in:
Henrik Brix Andersen 2020-05-02 21:54:15 +02:00 • committed by Maureen Helm
commit 144dcdd02b
5 changed files with 62 additions and 2 deletions
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29
boards/arm/lpcxpresso55s16/pinmux.c
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@ -118,6 +118,35 @@ static int lpcxpresso_55s16_pinmux_init(struct device *dev)
pinmux_pin_set(port0, 30, port0_pin30_config);
#endif
#if DT_HAS_NODE(DT_NODELABEL(flexcomm4)) && \
DT_NODE_HAS_COMPAT(DT_NODELABEL(flexcomm4), nxp_lpc_i2c)
/* PORT1 PIN20 is configured as FC4_TXD_SCL_MISO_WS */
pinmux_pin_set(port1, 20, IOCON_PIO_FUNC5 |
IOCON_PIO_MODE_INACT |
IOCON_PIO_SLEW_STANDARD |
IOCON_PIO_INV_DI |
IOCON_PIO_DIGITAL_EN |
IOCON_PIO_OPENDRAIN_DI);
/* PORT1 PIN21 is configured as FC4_RXD_SDA_MOSI_DATA */
pinmux_pin_set(port1, 21, IOCON_PIO_FUNC5 |
IOCON_PIO_MODE_INACT |
IOCON_PIO_SLEW_STANDARD |
IOCON_PIO_INV_DI |
IOCON_PIO_DIGITAL_EN |
IOCON_PIO_OPENDRAIN_DI);
#endif
#ifdef CONFIG_FXOS8700_TRIGGER
pinmux_pin_set(port1, 26, IOCON_PIO_FUNC0 |
IOCON_PIO_MODE_PULLUP |
IOCON_PIO_INV_DI |
IOCON_PIO_DIGITAL_EN |
IOCON_PIO_INPFILT_OFF |
IOCON_PIO_SLEW_STANDARD |
IOCON_PIO_OPENDRAIN_DI);
#endif
return 0;
}