39 lines
907 B
C
39 lines
907 B
C
/*
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* Copyright 2023 NXP
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/drivers/pinctrl.h>
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#include <svc/pad/pad_api.h>
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#include <main/ipc.h>
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int pinctrl_configure_pins(const pinctrl_soc_pin_t *pins,
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uint8_t pin_cnt, uintptr_t reg)
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{
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sc_ipc_t ipc_handle;
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int ret, i;
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ret = sc_ipc_open(&ipc_handle, DT_REG_ADDR(DT_NODELABEL(scu_mu)));
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if (ret != SC_ERR_NONE) {
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return -ENODEV;
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}
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for (i = 0; i < pin_cnt; i++) {
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/* TODO: for now, pad configuration is not supported. As such,
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* the state of the pad is the following:
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* 1) Normal configuration (no OD)
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* 2) ISO off
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* 3) Pull select and drive strength initialized by another
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* entity (e.g: SCFW, Linux etc...) or set to the default
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* values as specified in the TRM.
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*/
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ret = sc_pad_set_mux(ipc_handle, pins[i].pad, pins[i].mux, 0, 0);
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if (ret != SC_ERR_NONE) {
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return -EINVAL;
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}
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}
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return 0;
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}
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