zephyr/boards/arm/stm32h747i_disco/pinmux.c
Erwan Gouriou f9d5df3937 boards: stm32: pinmux: Restore Kconfig control on pinmux (serial)
In order to avoid pin configuration conflicts between peripherals,
add CONFIG_SERIAL flag to for each serial pinmux configuration.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
2020-05-20 12:09:19 +02:00

38 lines
930 B
C

/*
* Copyright (c) 2019 Linaro Limited
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <kernel.h>
#include <device.h>
#include <init.h>
#include <drivers/pinmux.h>
#include <sys/sys_io.h>
#include <pinmux/stm32/pinmux_stm32.h>
/* pin assignments for STM32H747I-DISCO board */
static const struct pin_config pinconf[] = {
#if DT_NODE_HAS_STATUS(DT_NODELABEL(usart1), okay) && CONFIG_SERIAL
{STM32_PIN_PA9, STM32H7_PINMUX_FUNC_PA9_USART1_TX},
{STM32_PIN_PA10, STM32H7_PINMUX_FUNC_PA10_USART1_RX},
#endif
#if DT_NODE_HAS_STATUS(DT_NODELABEL(uart8), okay) && CONFIG_SERIAL
{STM32_PIN_PJ8, STM32H7_PINMUX_FUNC_PJ8_UART8_TX},
{STM32_PIN_PJ9, STM32H7_PINMUX_FUNC_PJ9_UART8_RX},
#endif
};
static int pinmux_stm32_init(struct device *port)
{
ARG_UNUSED(port);
stm32_setup_pins(pinconf, ARRAY_SIZE(pinconf));
return 0;
}
SYS_INIT(pinmux_stm32_init, PRE_KERNEL_1,
CONFIG_PINMUX_STM32_DEVICE_INITIALIZATION_PRIORITY);