| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* |
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| 3 | * This file is part of STM32 DAC driver |
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| 4 | * |
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| 5 | * Copyright (C) 2017, STMicroelectronics - All Rights Reserved |
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| 6 | * Author: Fabrice Gasnier <fabrice.gasnier@st.com>. |
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| 7 | */ |
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| 8 | |
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| 9 | #ifndef __STM32_DAC_CORE_H |
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| 10 | #define __STM32_DAC_CORE_H |
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| 11 | |
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| 12 | #include <linux/regmap.h> |
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| 13 | |
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| 14 | /* STM32 DAC registers */ |
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| 15 | #define STM32_DAC_CR 0x00 |
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| 16 | #define STM32_DAC_DHR12R1 0x08 |
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| 17 | #define STM32_DAC_DHR12R2 0x14 |
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| 18 | #define STM32_DAC_DOR1 0x2C |
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| 19 | #define STM32_DAC_DOR2 0x30 |
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| 20 | |
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| 21 | /* STM32_DAC_CR bit fields */ |
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| 22 | #define STM32_DAC_CR_EN1 BIT(0) |
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| 23 | #define STM32H7_DAC_CR_HFSEL BIT(15) |
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| 24 | #define STM32_DAC_CR_EN2 BIT(16) |
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| 25 | |
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| 26 | /** |
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| 27 | * struct stm32_dac_common - stm32 DAC driver common data (for all instances) |
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| 28 | * @regmap: DAC registers shared via regmap |
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| 29 | * @vref_mv: reference voltage (mv) |
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| 30 | * @hfsel: high speed bus clock selected |
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| 31 | */ |
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| 32 | struct stm32_dac_common { |
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| 33 | struct regmap *regmap; |
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| 34 | int vref_mv; |
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| 35 | bool hfsel; |
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| 36 | }; |
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| 37 | |
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| 38 | #endif |
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| 39 | |
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