linux-stable/include/linux/rtc-v3020.h
Bill Pemberton 758ef749f3 rtc-v3020: make bitfield unsigned
Fix sparse warning:

include/linux/rtc-v3020.h:18:23: error: dubious one-bit signed bitfield

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
CC: p_gortmaker@yahoo.com
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-05-11 10:09:47 +02:00

41 lines
1 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() */
unsigned 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 */