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