/*
* 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 */
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