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boards: disco_l475_iot1: Conform to default configuration guidelines

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Update disco_l475_iot1 configuration to match with
default configuration guidelines:
-Deactivate features by default
-Configure available connectors

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
This commit is contained in:
Erwan Gouriou 2018-09-12 14:55:47 +02:00 • committed by Anas Nashif
commit 01a0b50c94
8 changed files with 46 additions and 23 deletions
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13
boards/arm/disco_l475_iot1/Kconfig.defconfig
View file

@ -64,6 +64,13 @@ config UART_STM32_PORT_1
endif # UART_CONSOLE
if SERIAL
config UART_STM32_PORT_4
default y
endif # SERIAL
if I2C
config I2C_1
@ -79,6 +86,9 @@ if SPI
config SPI_STM32_INTERRUPT
default y
config SPI_1
default y
config SPI_3
default y
@ -86,9 +96,6 @@ endif # SPI
if PWM
config PWM_STM32_1
default n
config PWM_STM32_2
default y

11
boards/arm/disco_l475_iot1/disco_l475_iot1.dts
View file

@ -46,6 +46,10 @@
};
};
arduino_i2c: &i2c1 {};
arduino_spi: &spi1 {};
arduino_serial: &uart4 {};
&usart1 {
current-speed = <115200>;
pinctrl-0 = <&usart1_pins_a>;
@ -60,6 +64,13 @@
status = "ok";
};
&uart4 {
current-speed = <115200>;
pinctrl-0 = <&uart4_pins_a>;
pinctrl-names = "default";
status = "ok";
};
&i2c1 {
status = "ok";
clock-frequency = <I2C_BITRATE_FAST>;

3
boards/arm/disco_l475_iot1/disco_l475_iot1.yaml
View file

@ -9,5 +9,8 @@ supported:
- i2c
- hts221
- pwm
- gpio
- ble
- spi
ram: 96
flash: 1024

9
boards/arm/disco_l475_iot1/disco_l475_iot1_defconfig
View file

@ -27,14 +27,5 @@ CONFIG_CLOCK_STM32_APB2_PRESCALER=1
CONFIG_CONSOLE=y
CONFIG_UART_CONSOLE=y
# enable PWM
CONFIG_PWM=y
# enable MPU
CONFIG_ARM_MPU=y
# enable I2C
CONFIG_I2C=y
# enable SPI
CONFIG_SPI=y

19
boards/arm/disco_l475_iot1/doc/disco_l475_iot1.rst
View file

@ -117,6 +117,8 @@ The Zephyr Disco L475 IoT board configuration supports the following hardware fe
+-----------+------------+-------------------------------------+
| I2C | on-chip | i2c |
+-----------+------------+-------------------------------------+
| SPI | on-chip | spi |
+-----------+------------+-------------------------------------+
| PWM | on-chip | pwm |
+-----------+------------+-------------------------------------+
@ -141,17 +143,12 @@ For detailed information about available pins please refer to `STM32 Disco L475
Default Zephyr Peripheral Mapping:
----------------------------------
- UART_1_TX : PB6
- UART_1_RX : PB7
- UART_2_TX : PA2
- UART_2_RX : PA3
- I2C_1_SCL : PB8
- I2C_1_SDA : PB9
- I2C_2_SCL : PB10
- I2C_2_SDA : PB11
- SPI_1_SCK : PA5
- SPI_1_MISO : PA6
- SPI_1_MOSI : PA7
- UART_1 TX/RX : PB6/PB7 (ST-Link Virtual Port Com)
- UART_4 TX/RX : PA0/PA1 (Arduino Serial)
- I2C1 SCL/SDA : PB8/PB9 (Arduino I2C)
- I2C2 SCL/SDA : PB10/PB11 (Sensor I2C bus)
- SPI1 SCK/MISO/MOSI : PA5/PA6/PA7 (Arduino SPI)
- SPI3 SCK/MISO/MOSI : PC10/PC11/PC12 (BT SPI bus)
- PWM_2_CH1 : PA15
- USER_PB : PC13
- LD2 : PA5

4
boards/arm/disco_l475_iot1/pinmux.c
View file

@ -18,6 +18,10 @@ static const struct pin_config pinconf[] = {
{STM32_PIN_PB6, STM32L4X_PINMUX_FUNC_PB6_USART1_TX},
{STM32_PIN_PB7, STM32L4X_PINMUX_FUNC_PB7_USART1_RX},
#endif /* CONFIG_UART_STM32_PORT_1 */
#ifdef CONFIG_UART_STM32_PORT_4
{STM32_PIN_PA0, STM32L4X_PINMUX_FUNC_PA0_USART4_TX},
{STM32_PIN_PA1, STM32L4X_PINMUX_FUNC_PA1_USART4_RX},
#endif /* CONFIG_UART_STM32_PORT_4 */
#ifdef CONFIG_I2C_1
{STM32_PIN_PB8, STM32L4X_PINMUX_FUNC_PB8_I2C1_SCL},
{STM32_PIN_PB9, STM32L4X_PINMUX_FUNC_PB9_I2C1_SDA},

4
drivers/pinmux/stm32/pinmux_stm32l4x.h
View file

@ -15,6 +15,10 @@
/* Port A */
#define STM32L4X_PINMUX_FUNC_PA0_PWM2_CH1 \
(STM32_PINMUX_ALT_FUNC_1 | STM32_PUSHPULL_NOPULL)
#define STM32L4X_PINMUX_FUNC_PA0_USART4_TX \
(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
#define STM32L4X_PINMUX_FUNC_PA1_USART4_RX \
(STM32_PINMUX_ALT_FUNC_8 | STM32_PUPDR_NO_PULL)
#define STM32L4X_PINMUX_FUNC_PA2_USART2_TX \
(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
#define STM32L4X_PINMUX_FUNC_PA3_USART2_RX \

6
dts/arm/st/l4/stm32l4-pinctrl.dtsi
View file

@ -57,6 +57,12 @@
tx = <STM32_PIN_PB10 (STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_NOPULL)>;
};
};
uart4_pins_a: uart4_a {
rx_tx {
rx = <STM32_PIN_PA1 (STM32_PINMUX_ALT_FUNC_7 | STM32_PUPDR_NO_PULL)>;
tx = <STM32_PIN_PA0 (STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_NOPULL)>;
};
};
can_pins_a: can_a {
rx_tx {
rx = <STM32_PIN_PA11 (STM32_PINMUX_ALT_FUNC_9 | STM32_PUPDR_PULL_UP)>;