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41 lines
1.0 KiB
41 lines
1.0 KiB
/* |
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* v3020.h - Registers definition and platform data structure for the v3020 RTC. |
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* |
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* This file is subject to the terms and conditions of the GNU General Public |
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* License. See the file "COPYING" in the main directory of this archive |
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* for more details. |
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* |
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* Copyright (C) 2006, 8D Technologies inc. |
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*/ |
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#ifndef __LINUX_V3020_H |
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#define __LINUX_V3020_H |
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/* The v3020 has only one data pin but which one |
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* is used depends on the board. */ |
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struct v3020_platform_data { |
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int leftshift; /* (1<<(leftshift)) & readl() */ |
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unsigned int use_gpio:1; |
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unsigned int gpio_cs; |
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unsigned int gpio_wr; |
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unsigned int gpio_rd; |
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unsigned int gpio_io; |
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}; |
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#define V3020_STATUS_0 0x00 |
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#define V3020_STATUS_1 0x01 |
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#define V3020_SECONDS 0x02 |
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#define V3020_MINUTES 0x03 |
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#define V3020_HOURS 0x04 |
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#define V3020_MONTH_DAY 0x05 |
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#define V3020_MONTH 0x06 |
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#define V3020_YEAR 0x07 |
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#define V3020_WEEK_DAY 0x08 |
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#define V3020_WEEK 0x09 |
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#define V3020_IS_COMMAND(val) ((val)>=0x0E) |
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#define V3020_CMD_RAM2CLOCK 0x0E |
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#define V3020_CMD_CLOCK2RAM 0x0F |
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#endif /* __LINUX_V3020_H */
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