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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/tps65910_pmic.h>
static int tps65910_sysreset_request(struct udevice *dev,
enum sysreset_t type)
{
int val;
val = pmic_reg_read(dev->parent, TPS65910_REG_DEVICE_CTRL);
if (val < 0)
return val;
/* define power-off to be sequential */
val |= PWR_OFF_SEQ;
pmic_reg_write(dev->parent, TPS65910_REG_DEVICE_CTRL, val);
val &= ~DEV_ON;
switch (type) {
case SYSRESET_POWER:
/* TPS65910: DEV_OFF_RST > DEVICE_CTRL */
pmic_reg_write(dev->parent, TPS65910_REG_DEVICE_CTRL,
val | DEV_OFF_RST);
break;
case SYSRESET_POWER_OFF:
/* TPS65910: DEV_OFF > DEVICE_CTRL */
pmic_reg_write(dev->parent, TPS65910_REG_DEVICE_CTRL,
val | DEV_OFF);
break;
default:
return -EPROTONOSUPPORT;
}
return -EINPROGRESS;
}
static struct sysreset_ops tps65910_sysreset = {
.request = tps65910_sysreset_request,
};
U_BOOT_DRIVER(sysreset_tps65910) = {
.id = UCLASS_SYSRESET,
.name = TPS65910_RST_DRIVER,
.ops = &tps65910_sysreset,
};
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