1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright(C) 2023 Svyatoslav Ryhel <clamor95@gmail.com>
4 */
5
6 #include <dm.h>
7 #include <i2c.h>
8 #include <errno.h>
9 #include <sysreset.h>
10 #include <power/pmic.h>
11 #include <power/tps80031.h>
12
tps80031_sysreset_request(struct udevice * dev,enum sysreset_t type)13 static int tps80031_sysreset_request(struct udevice *dev,
14 enum sysreset_t type)
15 {
16 switch (type) {
17 case SYSRESET_POWER:
18 /* TPS80031: SW_RESET > PHOENIX_DEV_ON */
19 pmic_reg_write(dev->parent, TPS80031_PHOENIX_DEV_ON, SW_RESET);
20 break;
21 case SYSRESET_POWER_OFF:
22 /* TPS80031: DEVOFF > PHOENIX_DEV_ON */
23 pmic_reg_write(dev->parent, TPS80031_PHOENIX_DEV_ON, DEVOFF);
24 break;
25 default:
26 return -EPROTONOSUPPORT;
27 }
28
29 return -EINPROGRESS;
30 }
31
32 static struct sysreset_ops tps80031_sysreset = {
33 .request = tps80031_sysreset_request,
34 };
35
36 U_BOOT_DRIVER(sysreset_tps80031) = {
37 .id = UCLASS_SYSRESET,
38 .name = TPS80031_RST_DRIVER,
39 .ops = &tps80031_sysreset,
40 };
41