2  * Copyright (c) 2023-2024 Analog Devices, Inc.
4  * SPDX-License-Identifier: Apache-2.0
22 	const struct device *clock;  member
37 	const struct max32_w1_config *const cfg = dev->config;  in api_reset_bus()
38 	mxc_owm_regs_t *regs = cfg->regs;  in api_reset_bus()
40 	/* 0 if no 1-wire devices responded during the presence pulse, 1 otherwise */  in api_reset_bus()
44 		if (regs->ctrl_stat & MXC_F_OWM_CTRL_STAT_OW_INPUT) {  in api_reset_bus()
61 			/* if no slave connected to the bus, read bits shall be logical ones */  in api_read_bit()
64 			return -EIO;  in api_read_bit()
78 			/* if no slave connected to the bus, write shall success */  in api_write_bit()
81 			return -EIO;  in api_write_bit()
95 			/* if no slave connected to the bus, read bits shall be logical ones */  in api_read_byte()
98 			return -EIO;  in api_read_byte()
112 			/* if no slave connected to the bus, write shall success */  in api_write_byte()
115 			return -EIO;  in api_write_byte()
131 		const struct max32_w1_config *const dev_config = dev->config;  in api_configure()
132 		mxc_owm_regs_t *regs = dev_config->regs;  in api_configure()
135 			regs->cfg |= MXC_F_OWM_CFG_EXT_PULLUP_MODE;  in api_configure()
137 			regs->cfg &= ~MXC_F_OWM_CFG_EXT_PULLUP_MODE;  in api_configure()
141 		return -EINVAL;  in api_configure()
150 	const struct max32_w1_config *const cfg = dev->config;  in w1_max32_init()
153 	if (!device_is_ready(cfg->clock)) {  in w1_max32_init()
154 		LOG_ERR("clock control device not ready");  in w1_max32_init()
155 		return -ENODEV;  in w1_max32_init()
160 	ret = clock_control_on(cfg->clock, (clock_control_subsys_t)&cfg->perclk);  in w1_max32_init()
162 		LOG_ERR("cannot enable OWM clock");  in w1_max32_init()
166 	ret = pinctrl_apply_state(cfg->pctrl, PINCTRL_STATE_DEFAULT);  in w1_max32_init()
171 	mxc_owm_cfg.int_pu_en = cfg->internal_pullup;  in w1_max32_init()
172 	mxc_owm_cfg.ext_pu_mode = cfg->external_pullup;  in w1_max32_init()
173 	mxc_owm_cfg.long_line_mode = cfg->long_line_mode;  in w1_max32_init()
195 		.clock = DEVICE_DT_GET(DT_INST_CLOCKS_CTLR(_num)),                                 \
196 		.perclk.bus = DT_INST_CLOCKS_CELL(_num, offset),                                   \