53 lines
1.4 KiB
C
53 lines
1.4 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_pinmux_init(struct device *dev)
|
|
{
|
|
ARG_UNUSED(dev);
|
|
|
|
struct device *p = device_get_binding(CONFIG_PINMUX_SIFIVE_0_NAME);
|
|
|
|
/* UART0 RX */
|
|
pinmux_pin_set(p, 16, SIFIVE_PINMUX_IOF0);
|
|
|
|
/* UART0 TX */
|
|
pinmux_pin_set(p, 17, SIFIVE_PINMUX_IOF0);
|
|
|
|
/* SPI1 */
|
|
pinmux_pin_set(p, 2, SIFIVE_PINMUX_IOF0); /* CS0 */
|
|
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); /* CS2 */
|
|
pinmux_pin_set(p, 10, SIFIVE_PINMUX_IOF0); /* CS3 */
|
|
|
|
#if defined(CONFIG_PWM)
|
|
|
|
/* PWM 0 is not enabled because it conflicts with SPI 1 */
|
|
|
|
/* PWM 1 */
|
|
/* PWM1_0 is not enabled because the driver cannot use it */
|
|
pinmux_pin_set(p, 19, SIFIVE_PINMUX_IOF1); /* PWM1_1 */
|
|
pinmux_pin_set(p, 21, SIFIVE_PINMUX_IOF1); /* PWM1_2 */
|
|
pinmux_pin_set(p, 22, SIFIVE_PINMUX_IOF1); /* PWM1_3 */
|
|
|
|
/* PWM 2 */
|
|
/* PWM2_0 is not enabled because the driver cannot use it */
|
|
pinmux_pin_set(p, 11, SIFIVE_PINMUX_IOF1); /* PWM2_1 */
|
|
pinmux_pin_set(p, 12, SIFIVE_PINMUX_IOF1); /* PWM2_2 */
|
|
pinmux_pin_set(p, 13, SIFIVE_PINMUX_IOF1); /* PWM2_3 */
|
|
|
|
#endif /* CONFIG_PWM */
|
|
|
|
return 0;
|
|
}
|
|
|
|
SYS_INIT(hifive1_pinmux_init, PRE_KERNEL_1, CONFIG_PINMUX_INIT_PRIORITY);
|