| Fabrice Gasnier | 1add6988 | 2016-11-15 16:30:57 +0100 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of STM32 ADC driver |
| 3 | * |
| 4 | * Copyright (C) 2016, STMicroelectronics - All Rights Reserved |
| 5 | * Author: Fabrice Gasnier <fabrice.gasnier@st.com>. |
| 6 | * |
| 7 | * License type: GPLv2 |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify it |
| 10 | * under the terms of the GNU General Public License version 2 as published by |
| 11 | * the Free Software Foundation. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, but |
| 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 15 | * or FITNESS FOR A PARTICULAR PURPOSE. |
| 16 | * See the GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License along with |
| 19 | * this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 | */ |
| 21 | |
| 22 | #ifndef __STM32_ADC_H |
| 23 | #define __STM32_ADC_H |
| 24 | |
| 25 | /* |
| 26 | * STM32 - ADC global register map |
| 27 | * ________________________________________________________ |
| 28 | * | Offset | Register | |
| 29 | * -------------------------------------------------------- |
| 30 | * | 0x000 | Master ADC1 | |
| 31 | * -------------------------------------------------------- |
| 32 | * | 0x100 | Slave ADC2 | |
| 33 | * -------------------------------------------------------- |
| 34 | * | 0x200 | Slave ADC3 | |
| 35 | * -------------------------------------------------------- |
| 36 | * | 0x300 | Master & Slave common regs | |
| 37 | * -------------------------------------------------------- |
| 38 | */ |
| 39 | #define STM32_ADC_MAX_ADCS 3 |
| 40 | #define STM32_ADCX_COMN_OFFSET 0x300 |
| 41 | |
| 42 | /** |
| 43 | * struct stm32_adc_common - stm32 ADC driver common data (for all instances) |
| 44 | * @base: control registers base cpu addr |
| Fabrice Gasnier | 2763ea0 | 2017-01-26 15:28:33 +0100 | [diff] [blame] | 45 | * @phys_base: control registers base physical addr |
| Fabrice Gasnier | 95e339b | 2017-05-29 11:28:20 +0200 | [diff] [blame^] | 46 | * @rate: clock rate used for analog circuitry |
| Fabrice Gasnier | 1add6988 | 2016-11-15 16:30:57 +0100 | [diff] [blame] | 47 | * @vref_mv: vref voltage (mv) |
| 48 | */ |
| 49 | struct stm32_adc_common { |
| 50 | void __iomem *base; |
| Fabrice Gasnier | 2763ea0 | 2017-01-26 15:28:33 +0100 | [diff] [blame] | 51 | phys_addr_t phys_base; |
| Fabrice Gasnier | 95e339b | 2017-05-29 11:28:20 +0200 | [diff] [blame^] | 52 | unsigned long rate; |
| Fabrice Gasnier | 1add6988 | 2016-11-15 16:30:57 +0100 | [diff] [blame] | 53 | int vref_mv; |
| 54 | }; |
| 55 | |
| 56 | #endif |