blob: 05968dbcc8b4b2e3e569261fc611f37d4a947fa7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/* 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
|
