diff options
| author | Steve French <sfrench@us.ibm.com> | 2007-07-19 00:38:57 +0000 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2007-07-19 00:38:57 +0000 |
| commit | 1ff8392c32a2645d2665ca779ecb91bb29361c13 (patch) | |
| tree | 860b95e9a499ade4060848740fc6ce1fbb4e4e8d /include/linux/rtc | |
| parent | 70b315b0dd3879cb3ab8aadffb14f10b2d19b9c3 (diff) | |
| parent | 5bae7ac9feba925fd0099057f6b23d7be80b7b41 (diff) | |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
fs/cifs/export.c
Diffstat (limited to 'include/linux/rtc')
| -rw-r--r-- | include/linux/rtc/m48t59.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/include/linux/rtc/m48t59.h b/include/linux/rtc/m48t59.h new file mode 100644 index 00000000000..e8c7c21ceb1 --- /dev/null +++ b/include/linux/rtc/m48t59.h @@ -0,0 +1,57 @@ +/* + * include/linux/rtc/m48t59.h + * + * Definitions for the platform data of m48t59 RTC chip driver. + * + * Copyright (c) 2007 Wind River Systems, Inc. + * + * Mark Zhan <rongkai.zhan@windriver.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef _LINUX_RTC_M48T59_H_ +#define _LINUX_RTC_M48T59_H_ + +/* + * M48T59 Register Offset + */ +#define M48T59_YEAR 0x1fff +#define M48T59_MONTH 0x1ffe +#define M48T59_MDAY 0x1ffd /* Day of Month */ +#define M48T59_WDAY 0x1ffc /* Day of Week */ +#define M48T59_WDAY_CB 0x20 /* Century Bit */ +#define M48T59_WDAY_CEB 0x10 /* Century Enable Bit */ +#define M48T59_HOUR 0x1ffb +#define M48T59_MIN 0x1ffa +#define M48T59_SEC 0x1ff9 +#define M48T59_CNTL 0x1ff8 +#define M48T59_CNTL_READ 0x40 +#define M48T59_CNTL_WRITE 0x80 +#define M48T59_WATCHDOG 0x1ff7 +#define M48T59_INTR 0x1ff6 +#define M48T59_INTR_AFE 0x80 /* Alarm Interrupt Enable */ +#define M48T59_INTR_ABE 0x20 +#define M48T59_ALARM_DATE 0x1ff5 +#define M48T59_ALARM_HOUR 0x1ff4 +#define M48T59_ALARM_MIN 0x1ff3 +#define M48T59_ALARM_SEC 0x1ff2 +#define M48T59_UNUSED 0x1ff1 +#define M48T59_FLAGS 0x1ff0 +#define M48T59_FLAGS_WDT 0x80 /* watchdog timer expired */ +#define M48T59_FLAGS_AF 0x40 /* alarm */ +#define M48T59_FLAGS_BF 0x10 /* low battery */ + +#define M48T59_NVRAM_SIZE 0x1ff0 + +struct m48t59_plat_data { + /* The method to access M48T59 registers, + * NOTE: The 'ofs' should be 0x00~0x1fff + */ + void (*write_byte)(struct device *dev, u32 ofs, u8 val); + unsigned char (*read_byte)(struct device *dev, u32 ofs); +}; + +#endif /* _LINUX_RTC_M48T59_H_ */ |