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boards: frdm_k82f: Add arduino_i2c and arduino_spi support

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* Tested with adafruit_2_8_tft_touch_v2 shield
* Shield uses GPIO Chip Select

Signed-off-by: Tim Schumann <TimSchumann@gmail.com>
This commit is contained in:
Tim Schumann 2021-04-30 14:13:37 -07:00 • committed by Kumar Gala
commit 854bdf56b4
3 changed files with 36 additions and 0 deletions
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18
boards/arm/frdm_k82f/frdm_k82f.dts
View file

@ -232,3 +232,21 @@
&pit0 {
status = "okay";
};
arduino_i2c: &i2c0 {
status = "okay";
pinctrl-0 = <&I2C0_SDA_PTB3 &I2C0_SCL_PTB2>;
};
&I2C0_SDA_PTB3 {
drive-open-drain;
};
&I2C0_SCL_PTB2 {
drive-open-drain;
};
arduino_spi: &spi0 {
status = "okay";
pinctrl-0 = <&SPI0_SCK_PTD1 &SPI0_SOUT_PTD2 &SPI0_SIN_PTD3 &SPI0_PCS1_PTD4>;
};

2
boards/arm/frdm_k82f/frdm_k82f.yaml
View file

@ -11,6 +11,8 @@ flash: 256
supported:
- adc
- arduino_gpio
- arduino_i2c
- arduino_spi
- counter
- gpio
- i2c

16
boards/arm/frdm_k82f/pinmux.c
View file

@ -61,6 +61,22 @@ static int frdm_k82f_pinmux_init(const struct device *dev)
pinmux_pin_set(porte, 5, PORT_PCR_MUX(kPORT_MuxAlt2));
#endif
#if DT_NODE_HAS_STATUS(DT_NODELABEL(i2c0), okay) && CONFIG_I2C
/* I2C0 SDA, SCL */
pinmux_pin_set(portb, 3, PORT_PCR_MUX(kPORT_MuxAlt2)
| PORT_PCR_ODE_MASK);
pinmux_pin_set(portb, 2, PORT_PCR_MUX(kPORT_MuxAlt2)
| PORT_PCR_ODE_MASK);
#endif
#if DT_NODE_HAS_STATUS(DT_NODELABEL(spi0), okay) && CONFIG_SPI
/* SPI0 SCK, SOUT, SIN, PCS1 */
pinmux_pin_set(portd, 1, PORT_PCR_MUX(kPORT_MuxAlt2));
pinmux_pin_set(portd, 2, PORT_PCR_MUX(kPORT_MuxAlt2));
pinmux_pin_set(portd, 3, PORT_PCR_MUX(kPORT_MuxAlt2));
pinmux_pin_set(portd, 4, PORT_PCR_MUX(kPORT_MuxAlt2));
#endif
#if DT_NODE_HAS_STATUS(DT_NODELABEL(lpuart4), okay) && CONFIG_SERIAL
/* LPUART4 RX, TX */
pinmux_pin_set(portc, 14, PORT_PCR_MUX(kPORT_MuxAlt3));