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442aba78 GR |
1 | /* |
2 | * Hardware monitoring driver for PMBus devices | |
3 | * | |
4 | * Copyright (c) 2010, 2011 Ericsson AB. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | */ | |
20 | ||
21 | #ifndef _PMBUS_H_ | |
22 | #define _PMBUS_H_ | |
23 | ||
24 | /* flags */ | |
25 | ||
26 | /* | |
27 | * PMBUS_SKIP_STATUS_CHECK | |
28 | * | |
29 | * During register detection, skip checking the status register for | |
30 | * communication or command errors. | |
31 | * | |
32 | * Some PMBus chips respond with valid data when trying to read an unsupported | |
33 | * register. For such chips, checking the status register is mandatory when | |
34 | * trying to determine if a chip register exists or not. | |
35 | * Other PMBus chips don't support the STATUS_CML register, or report | |
36 | * communication errors for no explicable reason. For such chips, checking | |
37 | * the status register must be disabled. | |
38 | */ | |
39 | #define PMBUS_SKIP_STATUS_CHECK (1 << 0) | |
40 | ||
41 | struct pmbus_platform_data { | |
42 | u32 flags; /* Device specific flags */ | |
ddbb4db4 AT |
43 | |
44 | /* regulator support */ | |
45 | int num_regulators; | |
46 | struct regulator_init_data *reg_init_data; | |
442aba78 GR |
47 | }; |
48 | ||
49 | #endif /* _PMBUS_H_ */ |