| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (C) 2018, STMicroelectronics - All Rights Reserved |
| * Author: Fabrice Gasnier <fabrice.gasnier@st.com>. |
| * |
| * Originally based on the Linux kernel v4.18 drivers/iio/adc/stm32-adc-core.h. |
| */ |
| |
| #ifndef __STM32_ADC_H |
| #define __STM32_ADC_H |
| |
| /* |
| * STM32 - ADC global register map |
| * ________________________________________________________ |
| * | Offset | Register | |
| * -------------------------------------------------------- |
| * | 0x000 | Master ADC1 | |
| * -------------------------------------------------------- |
| * | 0x100 | Slave ADC2 | |
| * -------------------------------------------------------- |
| * | 0x200 | Slave ADC3 | |
| * -------------------------------------------------------- |
| * | 0x300 | Master & Slave common regs | |
| * -------------------------------------------------------- |
| */ |
| #define STM32_ADC_MAX_ADCS 3 |
| #define STM32_ADCX_COMN_OFFSET 0x300 |
| |
| #include <clk.h> |
| |
| struct udevice; |
| |
| /** |
| * struct stm32_adc_common - stm32 ADC driver common data (for all instances) |
| * @base: control registers base cpu addr |
| * @rate: clock rate used for analog circuitry |
| * @aclk: clock for the analog circuitry |
| * @bclk: bus clock common for all ADCs |
| * @vref: regulator reference |
| * @vref_uv: reference supply voltage (uV) |
| */ |
| struct stm32_adc_common { |
| void __iomem *base; |
| unsigned long rate; |
| struct clk aclk; |
| struct clk bclk; |
| struct udevice *vref; |
| int vref_uv; |
| }; |
| |
| #endif |
