Commit 504a115d authored by Erwan Gouriou's avatar Erwan Gouriou Committed by Kumar Gala
Browse files

boards: nucleo_f429zi: Configure I2C1 



Enable and configure I2C1.
This configuration enables ready to use compatibility
with expansion shields based on Arduino type connectors

Additionally, fix comment on clock speed in board _defconfig

Signed-off-by: default avatarErwan Gouriou <erwan.gouriou@linaro.org>
parent 84095327

boards/arm/nucleo_f429zi/Kconfig.board

+1 −0
Original line number Diff line number Diff line
@@ -7,4 +7,5 @@ 


config BOARD_NUCLEO_F429ZI

	bool "NUCLEO-144 F429ZI  Development Board"

	select HAS_DTS_I2C_DEVICE

	depends on SOC_STM32F429XI

boards/arm/nucleo_f429zi/Kconfig.defconfig

+7 −0
Original line number Diff line number Diff line
@@ -27,4 +27,11 @@ config ETH_STM32_HAL 


endif # NETWORKING



if I2C



config I2C_1

	def_bool y



endif # I2C



endif # BOARD_NUCLEO_F429ZI

boards/arm/nucleo_f429zi/doc/nucleof429zi.rst

+4 −0
Original line number Diff line number Diff line
@@ -95,6 +95,8 @@ The Zephyr nucleo_f249zi board configuration supports the following hardware fea 
+-----------+------------+-------------------------------------+

| PWM       | on-chip    | pwm                                 |

+-----------+------------+-------------------------------------+

| I2C       | on-chip    | i2c                                 |

+-----------+------------+-------------------------------------+





Other hardware features are not yet supported on this Zephyr port.
@@ -141,6 +143,8 @@ Default Zephyr Peripheral Mapping: 
- UART_3_TX : PD8

- UART_3_RX : PD9

- PWM_2_CH1 : PA0

- I2C1_SCL : PB8

- I2C1_SDA : PB9

- USER_PB : PC13

- LD1 : PB0

- LD2 : PB7

boards/arm/nucleo_f429zi/nucleo_f429zi.dts

+5 −0
Original line number Diff line number Diff line
@@ -18,6 +18,11 @@ 
	};

};



&i2c1 {

	status = "ok";

	clock-frequency = <I2C_BITRATE_FAST>;

};



&usart3 {

	current-speed = <115200>;

	pinctrl-0 = <&usart3_pins_b>;

boards/arm/nucleo_f429zi/nucleo_f429zi_defconfig

+4 −1
Original line number Diff line number Diff line
@@ -21,6 +21,9 @@ CONFIG_PINMUX=y 
# enable GPIO

CONFIG_GPIO=y



# enable I2C

CONFIG_I2C=y



# clock configuration

CONFIG_CLOCK_CONTROL=y
@@ -32,7 +35,7 @@ CONFIG_CLOCK_STM32_PLL_SRC_HSE=y 
# however, the board does not have an external oscillator, so just use

# the 8MHz clock signal coming from integrated STLink

CONFIG_CLOCK_STM32_HSE_BYPASS=y

# produce 96MHz clock at PLL output

# produce 180MHz clock at PLL output

CONFIG_CLOCK_STM32_PLL_M_DIVISOR=8

CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=360

CONFIG_CLOCK_STM32_PLL_P_DIVISOR=2

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