LXR linux/arch/mips/lasat/ds1603.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Dallas Semiconductors 1603 RTC driver
   4 *
   5 * Brian Murphy <brian@murphy.dk>
   6 *
   7 */
   8#ifndef __DS1603_H
   9#define __DS1603_H
  10
  11struct ds_defs {
  12        volatile u32 *reg;
  13        volatile u32 *data_reg;
  14        u32 rst;
  15        u32 clk;
  16        u32 data;
  17        u32 data_read_shift;
  18        char data_reversed;
  19        u32 huge_delay;
  20};
  21
  22extern struct ds_defs *ds1603;
  23
  24void ds1603_set_trimmer(unsigned int);
  25void ds1603_enable(void);
  26void ds1603_disable(void);
  27void ds1603_init(struct ds_defs *);
  28
  29#define TRIMMER_DEFAULT 3
  30#define TRIMMER_DISABLE_RTC 0
  31
  32#endif
  33