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