freebsd-src/sys/dev/iicbus/pcf8563reg.h
Marius Strobl 34f4e555b5 Add a driver for the NXP (Philips) PCF8563 RTC.
Obtained from:	NetBSD (pcf8563reg.h)
2012-04-13 23:07:32 +00:00

59 lines
1.2 KiB
C

/* $NetBSD: pcf8563reg.h,v 1.1 2011/01/21 19:11:47 jakllsch Exp $ */
/*-
* Jonathan Kollasch, 2011
*
* This file is in the public domain.
*
* $FreeBSD$
*/
/*
* NXP (Philips) PCF8563 RTC registers
*/
/* We only have clock mode registers here. */
#ifndef _PCF8563REG_H_
#define _PCF8563REG_H_
/*
* PCF8563 RTC I2C address:
*
* 101 0001
*/
#define PCF8563_ADDR 0xa2
#define PCF8563_R_CS1 0x00
#define PCF8563_R_CS2 0x01
#define PCF8563_R_SECOND 0x02
#define PCF8563_R_MINUTE 0x03
#define PCF8563_R_HOUR 0x04
#define PCF8563_R_DAY 0x05
#define PCF8563_R_WEEKDAY 0x06
#define PCF8563_R_MONTH 0x07
#define PCF8563_R_YEAR 0x08
#define PCF8563_R_MINUTE_ALARM 0x09
#define PCF8563_R_HOUR_ALARM 0x0a
#define PCF8563_R_DAY_ALARM 0x0b
#define PCF8563_R_WEEKDAY_ALARM 0x0c
#define PCF8563_R_CLKOUT_CNTRL 0x0d
#define PCF8563_R_TIMER_CNTRL 0x0e
#define PCF8563_R_TIMER 0x0f
#define PCF8563_R_SECOND_VL 0x80
#define PCF8563_R_MONTH_C 0x80
#define PCF8563_NREGS 0x10
#define PCF8563_M_SECOND 0x7f
#define PCF8563_M_MINUTE 0x7f
#define PCF8563_M_HOUR 0x3f
#define PCF8563_M_DAY 0x3f
#define PCF8563_M_WEEKDAY 0x07
#define PCF8563_M_MONTH 0x1f
#define PCF8563_M_CENTURY 0x80
#define PCF8563_M_YEAR 0xff
#endif /* _PCF8563REG_H_ */