boards: lpcxpresso55s69: Enable i2c instance 4
Enables i2c instance 4 on the lpcxpresso55s69 board. Configures pinmuxes and clocks, and updates board documentation accordingly. Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
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7 changed files with 65 additions and 0 deletions
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@ -33,8 +33,16 @@ config GPIO_MCUX_LPC_PORT1
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endif # GPIO_MCUX_LPC
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config I2C_4
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default y
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depends on I2C
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config SPI_8
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default y
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depends on SPI
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config FXOS8700_DRDY_INT1
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default y
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depends on FXOS8700_TRIGGER
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endif # BOARD_LPCXPRESSO55S69_CPU0 || BOARD_LPCXPRESSO55S69_CPU1
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@ -62,6 +62,8 @@ features:
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+-----------+------------+-------------------------------------+
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| GPIO | on-chip | gpio |
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+-----------+------------+-------------------------------------+
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| I2C | on-chip | i2c |
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+-----------+------------+-------------------------------------+
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| SPI | on-chip | spi |
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+-----------+------------+-------------------------------------+
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| USART | on-chip | serial port-polling |
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@ -108,6 +110,10 @@ functionality of a pin.
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+---------+-----------------+----------------------------+
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| PIO1_7 | GPIO | GREEN LED |
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+---------+-----------------+----------------------------+
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| PIO1_20 | I2C | I2C SCL |
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+---------+-----------------+----------------------------+
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| PIO1_21 | I2C | I2C SDA |
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+---------+-----------------+----------------------------+
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System Clock
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============
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@ -31,4 +31,13 @@
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};
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};
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arduino_i2c: &i2c4 {
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mma8652fc@1d {
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compatible = "nxp,fxos8700","nxp,mma8652fc";
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reg = <0x1d>;
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label = "MMA8652FC";
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int1-gpios = <&gpio1 19 GPIO_ACTIVE_LOW>;
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};
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};
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arduino_spi: &spi8 {};
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@ -69,6 +69,10 @@
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status = "okay";
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};
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&i2c4 {
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status = "okay";
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};
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&spi8 {
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status = "okay";
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};
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@ -15,6 +15,8 @@ toolchain:
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- gnuarmemb
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- xtools
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supported:
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- arduino_i2c
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- arduino_spi
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- gpio
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- i2c
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- spi
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@ -87,6 +87,34 @@ static int lpcxpresso_55s69_pinmux_init(struct device *dev)
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pinmux_pin_set(port1, DT_ALIAS_SW2_GPIOS_PIN, sw2_config);
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#endif
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#ifdef CONFIG_I2C_4
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/* PORT1 PIN20 is configured as FC4_TXD_SCL_MISO_WS */
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pinmux_pin_set(port1, 20, IOCON_PIO_FUNC5 |
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IOCON_PIO_MODE_INACT |
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IOCON_PIO_SLEW_STANDARD |
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IOCON_PIO_INV_DI |
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IOCON_PIO_DIGITAL_EN |
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IOCON_PIO_OPENDRAIN_DI);
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/* PORT1 PIN21 is configured as FC4_RXD_SDA_MOSI_DATA */
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pinmux_pin_set(port1, 21, IOCON_PIO_FUNC5 |
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IOCON_PIO_MODE_INACT |
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IOCON_PIO_SLEW_STANDARD |
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IOCON_PIO_INV_DI |
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IOCON_PIO_DIGITAL_EN |
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IOCON_PIO_OPENDRAIN_DI);
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#endif /* CONFIG_I2C_4 */
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#ifdef CONFIG_FXOS8700_TRIGGER
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pinmux_pin_set(port1, 19, IOCON_PIO_FUNC0 |
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IOCON_PIO_MODE_PULLUP |
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IOCON_PIO_INV_DI |
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IOCON_PIO_DIGITAL_EN |
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IOCON_PIO_INPFILT_OFF |
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IOCON_PIO_SLEW_STANDARD |
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IOCON_PIO_OPENDRAIN_DI);
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#endif
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#ifdef CONFIG_SPI_8
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/* PORT0 PIN26 is configured as HS_SPI_MOSI */
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pinmux_pin_set(port0, 26, IOCON_PIO_FUNC9 |
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@ -61,6 +61,14 @@ static ALWAYS_INLINE void clock_init(void)
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/* Enables the clock for the I/O controller.: Enable Clock. */
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CLOCK_EnableClock(kCLOCK_Iocon);
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#ifdef CONFIG_I2C_4
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/* attach 12 MHz clock to FLEXCOMM4 */
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CLOCK_AttachClk(kFRO12M_to_FLEXCOMM4);
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/* reset FLEXCOMM for I2C */
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RESET_PeripheralReset(kFC4_RST_SHIFT_RSTn);
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#endif /* CONFIG_I2C_4 */
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#ifdef CONFIG_SPI_8
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/* Attach 12 MHz clock to FLEXCOMM8 */
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CLOCK_AttachClk(kFRO12M_to_HSLSPI);
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