70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
/*
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* Copyright (c) 2015 Intel Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _RTC_DW_H_
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#define _RTC_DW_H_
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#include <board.h>
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#include <device.h>
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#include <rtc.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define RTC_CCVR (0x0)
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#define RTC_CMR (0x4)
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#define RTC_CLR (0x8)
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#define RTC_CCR (0xC)
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#define RTC_STAT (0x10)
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#define RTC_RSTAT (0x14)
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#define RTC_EOI (0x18)
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#define RTC_COMP_VERSION (0x1C)
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#define RTC_INTERRUPT_ENABLE (1 << 0)
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#define RTC_INTERRUPT_MASK (1 << 1)
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#define RTC_ENABLE (1 << 2)
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#define RTC_WRAP_ENABLE (1 << 3)
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#define RTC_CLK_DIV_EN (1 << 2)
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#define RTC_CLK_DIV_MASK (0xF << 3)
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#define RTC_CLK_DIV_1_HZ (0xF << 3)
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#define RTC_CLK_DIV_32768_HZ (0x0 << 3)
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#define RTC_CLK_DIV_8192_HZ (0x2 << 3)
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#define RTC_CLK_DIV_4096_HZ (0x3 << 3)
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struct rtc_dw_runtime {
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void (*rtc_dw_cb_fn)(struct device *dev);
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#ifdef CONFIG_RTC_DW_CLOCK_GATE
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struct device *clock;
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#endif
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};
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struct rtc_dw_dev_config {
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uint32_t base_address;
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#ifdef CONFIG_RTC_DW_CLOCK_GATE
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void *clock_data;
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#endif
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};
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int rtc_dw_init(struct device *dev);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _RTC_DW_H_ */
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