stm32-dac-core.h

 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 */
32struct stm32_dac_common {
33	struct regmap			*regmap;
34	int				vref_mv;
35	bool				hfsel;
36};
37
38#endif