2  * Copyright 2023-2024 NXP
3  * SPDX-License-Identifier: Apache-2.0
10 #include <zephyr/drivers/regulator.h>
11 #include <zephyr/dt-bindings/regulator/nxp_vref.h>
12 #include <zephyr/kernel.h>
13 #include <zephyr/sys/linear_range.h>
14 #include <zephyr/sys/util.h>
26 	VREF_Type *base;  member
34 	const struct regulator_nxp_vref_config *config = dev->config;  in regulator_nxp_vref_enable()
35 	VREF_Type *const base = config->base;  in regulator_nxp_vref_enable()  local
37 	volatile uint32_t *const csr = &base->CSR;  in regulator_nxp_vref_enable()
41 	k_busy_wait(config->bg_start_time);  in regulator_nxp_vref_enable()
59 	const struct regulator_nxp_vref_config *config = dev->config;  in regulator_nxp_vref_disable()
60 	VREF_Type *const base = config->base;  in regulator_nxp_vref_disable()  local
66 	base->CSR &= ~(VREF_CSR_BUF21EN_MASK | VREF_CSR_HCBGEN_MASK | VREF_CSR_LPBGEN_MASK);  in regulator_nxp_vref_disable()
73 	const struct regulator_nxp_vref_config *config = dev->config;  in regulator_nxp_vref_set_mode()
74 	VREF_Type *const base = config->base;  in regulator_nxp_vref_set_mode()  local
75 	uint32_t csr = base->CSR;  in regulator_nxp_vref_set_mode()
98 		return -EINVAL;  in regulator_nxp_vref_set_mode()
101 	base->CSR = csr;  in regulator_nxp_vref_set_mode()
103 	k_busy_wait(config->buf_start_delay);  in regulator_nxp_vref_set_mode()
110 	const struct regulator_nxp_vref_config *config = dev->config;  in regulator_nxp_vref_get_mode()
111 	VREF_Type *const base = config->base;  in regulator_nxp_vref_get_mode()  local
112 	uint32_t csr = base->CSR;  in regulator_nxp_vref_get_mode()
142 	const struct regulator_nxp_vref_config *config = dev->config;  in regulator_nxp_vref_set_voltage()
143 	VREF_Type *const base = config->base;  in regulator_nxp_vref_set_voltage()  local
152 	base->UTRIM &= ~VREF_UTRIM_TRIM2V1_MASK;  in regulator_nxp_vref_set_voltage()
153 	base->UTRIM |= VREF_UTRIM_TRIM2V1_MASK & idx;  in regulator_nxp_vref_set_voltage()
161 	const struct regulator_nxp_vref_config *config = dev->config;  in regulator_nxp_vref_get_voltage()
162 	VREF_Type *const base = config->base;  in regulator_nxp_vref_get_voltage()  local
167 	idx = (base->UTRIM & VREF_UTRIM_TRIM2V1_MASK) >> VREF_UTRIM_TRIM2V1_SHIFT;  in regulator_nxp_vref_get_voltage()
187 	const struct regulator_nxp_vref_config *config = dev->config;  in regulator_nxp_vref_init()
188 	VREF_Type *const base = config->base;  in regulator_nxp_vref_init()  local
198 	if (config->current_compensation_en) {  in regulator_nxp_vref_init()
199 		base->CSR |= VREF_CSR_ICOMPEN_MASK;  in regulator_nxp_vref_init()
203 	base->UTRIM = 0;  in regulator_nxp_vref_init()
213 		.base = (VREF_Type *) DT_INST_REG_ADDR(inst),			\