| /* |
| * Copyright (c) 2025 Renesas Electronics Corporation |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr/init.h> |
| #include <zephyr/drivers/gpio.h> |
| #include <zephyr/devicetree.h> |
| #include <zephyr/logging/log.h> |
| |
| LOG_MODULE_REGISTER(board_control, CONFIG_LOG_DEFAULT_LEVEL); |
| |
| #if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(i3c0)) && defined(CONFIG_I3C) |
| static int i3c_init(void) |
| { |
| const struct gpio_dt_spec i3c_pullup_gpios[2] = { |
| GPIO_DT_SPEC_GET_BY_IDX(DT_PATH(zephyr_user), i3c_pullup_gpios, 0), |
| GPIO_DT_SPEC_GET_BY_IDX(DT_PATH(zephyr_user), i3c_pullup_gpios, 1), |
| }; |
| |
| if (!gpio_is_ready_dt(&i3c_pullup_gpios[0]) || !gpio_is_ready_dt(&i3c_pullup_gpios[1])) { |
| LOG_ERR("I3C pull-up control is not ready"); |
| return -ENODEV; |
| } |
| |
| if (gpio_pin_configure_dt(&i3c_pullup_gpios[0], GPIO_INPUT) || |
| gpio_pin_configure_dt(&i3c_pullup_gpios[1], GPIO_INPUT)) { |
| LOG_ERR("Failed to configure pull-up control"); |
| return -EIO; |
| } |
| |
| return 0; |
| } |
| |
| SYS_INIT(i3c_init, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT); |
| #endif |
