diff options
Diffstat (limited to 'include/linux/mfd/janz.h')
-rw-r--r-- | include/linux/mfd/janz.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/include/linux/mfd/janz.h b/include/linux/mfd/janz.h new file mode 100644 index 000000000000..e9994c469803 --- /dev/null +++ b/include/linux/mfd/janz.h | |||
@@ -0,0 +1,54 @@ | |||
1 | /* | ||
2 | * Common Definitions for Janz MODULbus devices | ||
3 | * | ||
4 | * Copyright (c) 2010 Ira W. Snyder <iws@ovro.caltech.edu> | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify it | ||
7 | * under the terms of the GNU General Public License as published by the | ||
8 | * Free Software Foundation; either version 2 of the License, or (at your | ||
9 | * option) any later version. | ||
10 | */ | ||
11 | |||
12 | #ifndef JANZ_H | ||
13 | #define JANZ_H | ||
14 | |||
15 | struct janz_platform_data { | ||
16 | /* MODULbus Module Number */ | ||
17 | unsigned int modno; | ||
18 | }; | ||
19 | |||
20 | /* PLX bridge chip onboard registers */ | ||
21 | struct janz_cmodio_onboard_regs { | ||
22 | u8 unused1; | ||
23 | |||
24 | /* | ||
25 | * Read access: interrupt status | ||
26 | * Write access: interrupt disable | ||
27 | */ | ||
28 | u8 int_disable; | ||
29 | u8 unused2; | ||
30 | |||
31 | /* | ||
32 | * Read access: MODULbus number (hex switch) | ||
33 | * Write access: interrupt enable | ||
34 | */ | ||
35 | u8 int_enable; | ||
36 | u8 unused3; | ||
37 | |||
38 | /* write-only */ | ||
39 | u8 reset_assert; | ||
40 | u8 unused4; | ||
41 | |||
42 | /* write-only */ | ||
43 | u8 reset_deassert; | ||
44 | u8 unused5; | ||
45 | |||
46 | /* read-write access to serial EEPROM */ | ||
47 | u8 eep; | ||
48 | u8 unused6; | ||
49 | |||
50 | /* write-only access to EEPROM chip select */ | ||
51 | u8 enid; | ||
52 | }; | ||
53 | |||
54 | #endif /* JANZ_H */ | ||