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74ba9207 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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2 | /* |
3 | * Hardware monitoring driver for PMBus devices | |
4 | * | |
5 | * Copyright (c) 2010, 2011 Ericsson AB. | |
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6 | */ |
7 | ||
8 | #ifndef _PMBUS_H_ | |
9 | #define _PMBUS_H_ | |
10 | ||
11 | /* flags */ | |
12 | ||
13 | /* | |
14 | * PMBUS_SKIP_STATUS_CHECK | |
15 | * | |
16 | * During register detection, skip checking the status register for | |
17 | * communication or command errors. | |
18 | * | |
19 | * Some PMBus chips respond with valid data when trying to read an unsupported | |
20 | * register. For such chips, checking the status register is mandatory when | |
21 | * trying to determine if a chip register exists or not. | |
22 | * Other PMBus chips don't support the STATUS_CML register, or report | |
23 | * communication errors for no explicable reason. For such chips, checking | |
24 | * the status register must be disabled. | |
25 | */ | |
26 | #define PMBUS_SKIP_STATUS_CHECK (1 << 0) | |
27 | ||
28 | struct pmbus_platform_data { | |
29 | u32 flags; /* Device specific flags */ | |
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30 | |
31 | /* regulator support */ | |
32 | int num_regulators; | |
33 | struct regulator_init_data *reg_init_data; | |
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34 | }; |
35 | ||
36 | #endif /* _PMBUS_H_ */ |