zephyr/boards/riscv/hifive1_revb/pinmux.c

48 lines
1.2 KiB
C

/*
* Copyright (c) 2017 Jean-Paul Etienne <fractalclone@gmail.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <init.h>
#include <drivers/pinmux.h>
#include <soc.h>
static int hifive1_revb_pinmux_init(const struct device *dev)
{
ARG_UNUSED(dev);
const struct device *p = DEVICE_DT_GET(DT_NODELABEL(pinctrl));
__ASSERT_NO_MSG(device_is_ready(p));
#ifdef CONFIG_UART_SIFIVE
#ifdef CONFIG_UART_SIFIVE_PORT_0
/* UART0 RX */
pinmux_pin_set(p, 16, SIFIVE_PINMUX_IOF0);
/* UART0 TX */
pinmux_pin_set(p, 17, SIFIVE_PINMUX_IOF0);
#endif /* CONFIG_UART_SIFIVE_PORT_0 */
#endif /* CONFIG_UART_SIFIVE */
#ifdef CONFIG_SPI_SIFIVE
/* SPI1 */
pinmux_pin_set(p, 2, SIFIVE_PINMUX_IOF0); /* SS0 */
pinmux_pin_set(p, 3, SIFIVE_PINMUX_IOF0); /* MOSI */
pinmux_pin_set(p, 4, SIFIVE_PINMUX_IOF0); /* MISO */
pinmux_pin_set(p, 5, SIFIVE_PINMUX_IOF0); /* SCK */
pinmux_pin_set(p, 9, SIFIVE_PINMUX_IOF0); /* SS2 */
pinmux_pin_set(p, 10, SIFIVE_PINMUX_IOF0); /* SS3 */
#endif /* CONFIG_SPI_SIFIVE */
#ifdef CONFIG_I2C_SIFIVE
/* I2C 0 */
pinmux_pin_set(p, 12, SIFIVE_PINMUX_IOF0);
pinmux_pin_set(p, 13, SIFIVE_PINMUX_IOF0);
#endif /* CONFIG_I2C_SIFIVE */
return 0;
}
SYS_INIT(hifive1_revb_pinmux_init, PRE_KERNEL_1, CONFIG_PINMUX_INIT_PRIORITY);