1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* |
3 | * Copyright (C) Maxime Coquelin 2015 |
4 | * Copyright (C) STMicroelectronics 2017 |
5 | * Author: Maxime Coquelin <mcoquelin.stm32@gmail.com> |
6 | */ |
7 | #ifndef __PINCTRL_STM32_H |
8 | #define __PINCTRL_STM32_H |
9 | |
10 | #include <linux/pinctrl/pinctrl.h> |
11 | #include <linux/pinctrl/pinconf-generic.h> |
12 | |
13 | #define STM32_PIN_NO(x) ((x) << 8) |
14 | #define STM32_GET_PIN_NO(x) ((x) >> 8) |
15 | #define STM32_GET_PIN_FUNC(x) ((x) & 0xff) |
16 | |
17 | #define STM32_PIN_GPIO 0 |
18 | #define STM32_PIN_AF(x) ((x) + 1) |
19 | #define STM32_PIN_ANALOG (STM32_PIN_AF(15) + 1) |
20 | #define STM32_CONFIG_NUM (STM32_PIN_ANALOG + 1) |
21 | |
22 | /* package information */ |
23 | #define STM32MP_PKG_AA BIT(0) |
24 | #define STM32MP_PKG_AB BIT(1) |
25 | #define STM32MP_PKG_AC BIT(2) |
26 | #define STM32MP_PKG_AD BIT(3) |
27 | #define STM32MP_PKG_AI BIT(8) |
28 | #define STM32MP_PKG_AK BIT(10) |
29 | #define STM32MP_PKG_AL BIT(11) |
30 | |
31 | struct stm32_desc_function { |
32 | const char *name; |
33 | const unsigned char num; |
34 | }; |
35 | |
36 | struct stm32_desc_pin { |
37 | struct pinctrl_pin_desc pin; |
38 | const struct stm32_desc_function functions[STM32_CONFIG_NUM]; |
39 | const unsigned int pkg; |
40 | }; |
41 | |
42 | #define STM32_PIN(_pin, ...) \ |
43 | { \ |
44 | .pin = _pin, \ |
45 | .functions = { \ |
46 | __VA_ARGS__}, \ |
47 | } |
48 | |
49 | #define STM32_PIN_PKG(_pin, _pkg, ...) \ |
50 | { \ |
51 | .pin = _pin, \ |
52 | .pkg = _pkg, \ |
53 | .functions = { \ |
54 | __VA_ARGS__}, \ |
55 | } |
56 | #define STM32_FUNCTION(_num, _name) \ |
57 | [_num] = { \ |
58 | .num = _num, \ |
59 | .name = _name, \ |
60 | } |
61 | |
62 | struct stm32_pinctrl_match_data { |
63 | const struct stm32_desc_pin *pins; |
64 | const unsigned int npins; |
65 | bool secure_control; |
66 | }; |
67 | |
68 | struct stm32_gpio_bank; |
69 | |
70 | int stm32_pctl_probe(struct platform_device *pdev); |
71 | void stm32_pmx_get_mode(struct stm32_gpio_bank *bank, |
72 | int pin, u32 *mode, u32 *alt); |
73 | int stm32_pinctrl_suspend(struct device *dev); |
74 | int stm32_pinctrl_resume(struct device *dev); |
75 | |
76 | #endif /* __PINCTRL_STM32_H */ |
77 | |
78 | |