1 /*
2 * Copyright 2023 NXP
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <zephyr/drivers/pinctrl.h>
8 #include <svc/pad/pad_api.h>
9 #include <main/ipc.h>
10
pinctrl_configure_pins(const pinctrl_soc_pin_t * pins,uint8_t pin_cnt,uintptr_t reg)11 int pinctrl_configure_pins(const pinctrl_soc_pin_t *pins,
12 uint8_t pin_cnt, uintptr_t reg)
13 {
14 sc_ipc_t ipc_handle;
15 int ret, i;
16
17 ret = sc_ipc_open(&ipc_handle, DT_REG_ADDR(DT_NODELABEL(scu_mu)));
18 if (ret != SC_ERR_NONE) {
19 return -ENODEV;
20 }
21
22 for (i = 0; i < pin_cnt; i++) {
23 /* TODO: for now, pad configuration is not supported. As such,
24 * the state of the pad is the following:
25 * 1) Normal configuration (no OD)
26 * 2) ISO off
27 * 3) Pull select and drive strength initialized by another
28 * entity (e.g: SCFW, Linux etc...) or set to the default
29 * values as specified in the TRM.
30 */
31 ret = sc_pad_set_mux(ipc_handle, pins[i].pad, pins[i].mux, 0, 0);
32 if (ret != SC_ERR_NONE) {
33 return -EINVAL;
34 }
35 }
36
37 return 0;
38 }
39
