39 строки
903 B
C
39 строки
903 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* This file is part of STM32 DAC driver
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*
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* Copyright (C) 2017, STMicroelectronics - All Rights Reserved
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* Author: Fabrice Gasnier <fabrice.gasnier@st.com>.
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*/
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#ifndef __STM32_DAC_CORE_H
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#define __STM32_DAC_CORE_H
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#include <linux/regmap.h>
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/* STM32 DAC registers */
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#define STM32_DAC_CR 0x00
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#define STM32_DAC_DHR12R1 0x08
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#define STM32_DAC_DHR12R2 0x14
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#define STM32_DAC_DOR1 0x2C
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#define STM32_DAC_DOR2 0x30
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/* STM32_DAC_CR bit fields */
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#define STM32_DAC_CR_EN1 BIT(0)
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#define STM32H7_DAC_CR_HFSEL BIT(15)
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#define STM32_DAC_CR_EN2 BIT(16)
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/**
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* struct stm32_dac_common - stm32 DAC driver common data (for all instances)
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* @regmap: DAC registers shared via regmap
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* @vref_mv: reference voltage (mv)
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* @hfsel: high speed bus clock selected
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*/
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struct stm32_dac_common {
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struct regmap *regmap;
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int vref_mv;
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bool hfsel;
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};
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#endif
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