mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
8a8d24bdf1
Try to maintain some consistency between these variables by using _plat as a suffix for them. Signed-off-by: Simon Glass <sjg@chromium.org>
94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
// 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),
|
|
};
|