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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright(C) 2023 Svyatoslav Ryhel <clamor95@gmail.com>
*/
#include <dm.h>
#include <i2c.h>
#include <errno.h>
#include <sysreset.h>
#include <power/pmic.h>
#include <power/palmas.h>
static int palmas_sysreset_request(struct udevice *dev,
enum sysreset_t type)
{
struct palmas_priv *priv = dev_get_priv(dev->parent);
int ret;
/*
* Mask INT3 on second page which detects vbus
* or device will immediately turn on.
*/
ret = dm_i2c_reg_clrset(priv->chip2, PALMAS_INT3_MASK,
MASK_VBUS, MASK_VBUS);
if (ret < 0)
return ret;
switch (type) {
case SYSRESET_POWER:
/* PALMAS: SW_RST > DEV_CTRL */
pmic_reg_write(dev->parent, PALMAS_DEV_CTRL, SW_RST);
break;
case SYSRESET_POWER_OFF:
/* PALMAS: DEV_OFF > DEV_CTRL */
pmic_reg_write(dev->parent, PALMAS_DEV_CTRL, DEV_OFF);
break;
default:
return -EPROTONOSUPPORT;
}
return -EINPROGRESS;
}
static struct sysreset_ops palmas_sysreset = {
.request = palmas_sysreset_request,
};
U_BOOT_DRIVER(sysreset_palmas) = {
.id = UCLASS_SYSRESET,
.name = PALMAS_RST_DRIVER,
.ops = &palmas_sysreset,
};
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