diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/rtc/m48t59.h | 45 |
1 files changed, 25 insertions, 20 deletions
diff --git a/include/linux/rtc/m48t59.h b/include/linux/rtc/m48t59.h index e8c7c21ceb1..41798505d15 100644 --- a/include/linux/rtc/m48t59.h +++ b/include/linux/rtc/m48t59.h @@ -18,40 +18,45 @@ /* * 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_YEAR 0xf +#define M48T59_MONTH 0xe +#define M48T59_MDAY 0xd /* Day of Month */ +#define M48T59_WDAY 0xc /* 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_HOUR 0xb +#define M48T59_MIN 0xa +#define M48T59_SEC 0x9 +#define M48T59_CNTL 0x8 #define M48T59_CNTL_READ 0x40 #define M48T59_CNTL_WRITE 0x80 -#define M48T59_WATCHDOG 0x1ff7 -#define M48T59_INTR 0x1ff6 +#define M48T59_WATCHDOG 0x7 +#define M48T59_INTR 0x6 #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_ALARM_DATE 0x5 +#define M48T59_ALARM_HOUR 0x4 +#define M48T59_ALARM_MIN 0x3 +#define M48T59_ALARM_SEC 0x2 +#define M48T59_UNUSED 0x1 +#define M48T59_FLAGS 0x0 #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 +#define M48T59RTC_TYPE_M48T59 0 /* to keep compatibility */ +#define M48T59RTC_TYPE_M48T02 1 +#define M48T59RTC_TYPE_M48T08 2 struct m48t59_plat_data { - /* The method to access M48T59 registers, - * NOTE: The 'ofs' should be 0x00~0x1fff - */ + /* The method to access M48T59 registers */ void (*write_byte)(struct device *dev, u32 ofs, u8 val); unsigned char (*read_byte)(struct device *dev, u32 ofs); + + int type; /* RTC model */ + + /* offset to RTC registers, automatically set according to the type */ + unsigned int offset; }; #endif /* _LINUX_RTC_M48T59_H_ */ |