diff options
| author | Sean Paul <seanpaul@chromium.org> | 2017-05-18 09:24:30 -0400 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2017-05-18 09:24:30 -0400 |
| commit | 6b7781b42dc9bc9bcd1523b6c24b876cdda0bef3 (patch) | |
| tree | ee55c67e4ea30b9eb44f301ba0bde2e631a26162 /drivers/iio/dac/stm32-dac-core.h | |
| parent | 52d9d38c183bf0e09601d875ea31bb53c05dd8cf (diff) | |
| parent | e98c58e55f68f8785aebfab1f8c9a03d8de0afe1 (diff) | |
Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next
Picking up drm-next @ 4.12-rc1 in order to apply Michal Hocko's vmalloc patch set
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/iio/dac/stm32-dac-core.h')
| -rw-r--r-- | drivers/iio/dac/stm32-dac-core.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/iio/dac/stm32-dac-core.h b/drivers/iio/dac/stm32-dac-core.h new file mode 100644 index 000000000000..daf09931857c --- /dev/null +++ b/drivers/iio/dac/stm32-dac-core.h @@ -0,0 +1,51 @@ +/* + * This file is part of STM32 DAC driver + * + * Copyright (C) 2017, STMicroelectronics - All Rights Reserved + * Author: Fabrice Gasnier <fabrice.gasnier@st.com>. + * + * License type: GPLv2 + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#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 |