| Raphael Assenat | 362600f | 2006-06-25 05:48:24 -0700 | [diff] [blame] | 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. */ |
| 15 | struct v3020_platform_data { |
| 16 | int leftshift; /* (1<<(leftshift)) & readl() */ |
| Mike Rapoport | 9661584 | 2009-04-02 16:57:01 -0700 | [diff] [blame] | 17 | |
| Bill Pemberton | 758ef74 | 2010-04-30 09:34:38 -0400 | [diff] [blame] | 18 | unsigned int use_gpio:1; |
| Mike Rapoport | 9661584 | 2009-04-02 16:57:01 -0700 | [diff] [blame] | 19 | unsigned int gpio_cs; |
| 20 | unsigned int gpio_wr; |
| 21 | unsigned int gpio_rd; |
| 22 | unsigned int gpio_io; |
| Raphael Assenat | 362600f | 2006-06-25 05:48:24 -0700 | [diff] [blame] | 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 */ |