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 */ | ||
