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 21 struct stm32_desc_function { 22 const char *name; 23 const unsigned char num; 24 }; 25 26 struct stm32_desc_pin { 27 struct pinctrl_pin_desc pin; 28 const struct stm32_desc_function *functions; 29 const unsigned int pkg; 30 }; 31 32 #define STM32_PIN(_pin, ...) \ 33 { \ 34 .pin = _pin, \ 35 .functions = (struct stm32_desc_function[]){ \ 36 __VA_ARGS__, { } }, \ 37 } 38 39 #define STM32_PIN_PKG(_pin, _pkg, ...) \ 40 { \ 41 .pin = _pin, \ 42 .pkg = _pkg, \ 43 .functions = (struct stm32_desc_function[]){ \ 44 __VA_ARGS__, { } }, \ 45 } 46 #define STM32_FUNCTION(_num, _name) \ 47 { \ 48 .num = _num, \ 49 .name = _name, \ 50 } 51 52 struct stm32_pinctrl_match_data { 53 const struct stm32_desc_pin *pins; 54 const unsigned int npins; 55 }; 56 57 struct stm32_gpio_bank; 58 59 int stm32_pctl_probe(struct platform_device *pdev); 60 void stm32_pmx_get_mode(struct stm32_gpio_bank *bank, 61 int pin, u32 *mode, u32 *alt); 62 #endif /* __PINCTRL_STM32_H */ 63 64