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boards: nucleo_l476rg: add corrected I2C pin assignments

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The L476RG does not use the same I2C instance as the other L4 boards.
Correct the pinmux and add the peripheral.

Signed-off-by: Peter A. Bigot <pab@pabigot.com>
This commit is contained in:
Peter A. Bigot 2018-12-29 09:23:16 -06:00 committed by Carles Cufí
parent c416f61974
commit 2705901460
3 changed files with 16 additions and 4 deletions
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7
boards/arm/nucleo_l476rg/Kconfig.defconfig
View file

@ -28,6 +28,13 @@ config SPI_STM32_INTERRUPT
endif # SPI
if I2C
config I2C_3
default y
endif # SPI
if PWM
config PWM_STM32_2

5
boards/arm/nucleo_l476rg/nucleo_l476rg.dts
View file

@ -54,6 +54,11 @@
status = "ok";
};
arduino_i2c: &i2c3 {
status = "ok";
clock-frequency = <I2C_BITRATE_FAST>;
};
&spi1 {
status = "ok";
};

8
boards/arm/nucleo_l476rg/pinmux.c
View file

@ -27,10 +27,10 @@ static const struct pin_config pinconf[] = {
{STM32_PIN_PB10, STM32L4X_PINMUX_FUNC_PB10_USART3_TX},
{STM32_PIN_PB11, STM32L4X_PINMUX_FUNC_PB11_USART3_RX},
#endif /* CONFIG_UART_3 */
#ifdef CONFIG_I2C_1
{STM32_PIN_PB6, STM32L4X_PINMUX_FUNC_PB6_I2C1_SCL},
{STM32_PIN_PB7, STM32L4X_PINMUX_FUNC_PB7_I2C1_SDA},
#endif /* CONFIG_I2C_1 */
#ifdef CONFIG_I2C_3
{STM32_PIN_PC0, STM32L4X_PINMUX_FUNC_PC0_I2C3_SCL},
{STM32_PIN_PC1, STM32L4X_PINMUX_FUNC_PC1_I2C3_SDA},
#endif /* CONFIG_I2C_3 */
#ifdef CONFIG_PWM_STM32_2
{STM32_PIN_PA0, STM32L4X_PINMUX_FUNC_PA0_PWM2_CH1},
#endif /* CONFIG_PWM_STM32_2 */