linux/include/linux/rtc-v3020.h
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   1/*
   2 * v3020.h - Registers definition and platform data structure for the v3020 RTC.
   3 *
   4 * This file is subject to the terms and conditions of the GNU General Public
   5 * License.  See the file "COPYING" in the main directory of this archive
   6 * for more details.
   7 *
   8 * Copyright (C) 2006, 8D Technologies inc.
   9 */
  10#ifndef __LINUX_V3020_H
  11#define __LINUX_V3020_H
  12
  13/* The v3020 has only one data pin but which one
  14 * is used depends on the board. */
  15struct v3020_platform_data {
  16        int leftshift; /* (1<<(leftshift)) & readl() */
  17
  18        unsigned int use_gpio:1;
  19        unsigned int gpio_cs;
  20        unsigned int gpio_wr;
  21        unsigned int gpio_rd;
  22        unsigned int gpio_io;
  23};
  24
  25#define V3020_STATUS_0  0x00
  26#define V3020_STATUS_1  0x01
  27#define V3020_SECONDS   0x02
  28#define V3020_MINUTES   0x03
  29#define V3020_HOURS             0x04
  30#define V3020_MONTH_DAY 0x05
  31#define V3020_MONTH             0x06
  32#define V3020_YEAR              0x07
  33#define V3020_WEEK_DAY  0x08
  34#define V3020_WEEK              0x09
  35
  36#define V3020_IS_COMMAND(val) ((val)>=0x0E)
  37
  38#define V3020_CMD_RAM2CLOCK     0x0E
  39#define V3020_CMD_CLOCK2RAM     0x0F
  40
  41#endif /* __LINUX_V3020_H */
  42
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