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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2015 Samsung Electronics
- *
- * Przemyslaw Marczak <p.marczak@samsung.com>
- */
- #include <common.h>
- #include <errno.h>
- #include <dm.h>
- #include <log.h>
- #include <power/pmic.h>
- #include <power/regulator.h>
- #include "regulator_common.h"
- static int fixed_regulator_of_to_plat(struct udevice *dev)
- {
- struct dm_regulator_uclass_plat *uc_pdata;
- struct regulator_common_plat *dev_pdata;
- dev_pdata = dev_get_plat(dev);
- uc_pdata = dev_get_uclass_plat(dev);
- if (!uc_pdata)
- return -ENXIO;
- uc_pdata->type = REGULATOR_TYPE_FIXED;
- return regulator_common_of_to_plat(dev, dev_pdata, "gpio");
- }
- static int fixed_regulator_get_value(struct udevice *dev)
- {
- struct dm_regulator_uclass_plat *uc_pdata;
- uc_pdata = dev_get_uclass_plat(dev);
- if (!uc_pdata)
- return -ENXIO;
- if (uc_pdata->min_uV != uc_pdata->max_uV) {
- debug("Invalid constraints for: %s\n", uc_pdata->name);
- return -EINVAL;
- }
- return uc_pdata->min_uV;
- }
- static int fixed_regulator_get_current(struct udevice *dev)
- {
- struct dm_regulator_uclass_plat *uc_pdata;
- uc_pdata = dev_get_uclass_plat(dev);
- if (!uc_pdata)
- return -ENXIO;
- if (uc_pdata->min_uA != uc_pdata->max_uA) {
- debug("Invalid constraints for: %s\n", uc_pdata->name);
- return -EINVAL;
- }
- return uc_pdata->min_uA;
- }
- static int fixed_regulator_get_enable(struct udevice *dev)
- {
- return regulator_common_get_enable(dev, dev_get_plat(dev));
- }
- static int fixed_regulator_set_enable(struct udevice *dev, bool enable)
- {
- return regulator_common_set_enable(dev, dev_get_plat(dev), enable);
- }
- static const struct dm_regulator_ops fixed_regulator_ops = {
- .get_value = fixed_regulator_get_value,
- .get_current = fixed_regulator_get_current,
- .get_enable = fixed_regulator_get_enable,
- .set_enable = fixed_regulator_set_enable,
- };
- static const struct udevice_id fixed_regulator_ids[] = {
- { .compatible = "regulator-fixed" },
- { },
- };
- U_BOOT_DRIVER(regulator_fixed) = {
- .name = "regulator_fixed",
- .id = UCLASS_REGULATOR,
- .ops = &fixed_regulator_ops,
- .of_match = fixed_regulator_ids,
- .of_to_plat = fixed_regulator_of_to_plat,
- .plat_auto = sizeof(struct regulator_common_plat),
- };
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