42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
/*
|
|
* v3020.h - Registers definition and platform data structure for the v3020 RTC.
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (C) 2006, 8D Technologies inc.
|
|
*/
|
|
#ifndef __LINUX_V3020_H
|
|
#define __LINUX_V3020_H
|
|
|
|
/* The v3020 has only one data pin but which one
|
|
* is used depends on the board. */
|
|
struct v3020_platform_data {
|
|
int leftshift; /* (1<<(leftshift)) & readl() */
|
|
|
|
int use_gpio:1;
|
|
unsigned int gpio_cs;
|
|
unsigned int gpio_wr;
|
|
unsigned int gpio_rd;
|
|
unsigned int gpio_io;
|
|
};
|
|
|
|
#define V3020_STATUS_0 0x00
|
|
#define V3020_STATUS_1 0x01
|
|
#define V3020_SECONDS 0x02
|
|
#define V3020_MINUTES 0x03
|
|
#define V3020_HOURS 0x04
|
|
#define V3020_MONTH_DAY 0x05
|
|
#define V3020_MONTH 0x06
|
|
#define V3020_YEAR 0x07
|
|
#define V3020_WEEK_DAY 0x08
|
|
#define V3020_WEEK 0x09
|
|
|
|
#define V3020_IS_COMMAND(val) ((val)>=0x0E)
|
|
|
|
#define V3020_CMD_RAM2CLOCK 0x0E
|
|
#define V3020_CMD_CLOCK2RAM 0x0F
|
|
|
|
#endif /* __LINUX_V3020_H */
|