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 /* package information */ 22 #define STM32MP_PKG_AA BIT(0) 23 #define STM32MP_PKG_AB BIT(1) 24 #define STM32MP_PKG_AC BIT(2) 25 #define STM32MP_PKG_AD BIT(3) 26 27 struct stm32_desc_function { 28 const char *name; 29 const unsigned char num; 30 }; 31 32 struct stm32_desc_pin { 33 struct pinctrl_pin_desc pin; 34 const struct stm32_desc_function *functions; 35 const unsigned int pkg; 36 }; 37 38 #define STM32_PIN(_pin, ...) \ 39 { \ 40 .pin = _pin, \ 41 .functions = (struct stm32_desc_function[]){ \ 42 __VA_ARGS__, { } }, \ 43 } 44 45 #define STM32_PIN_PKG(_pin, _pkg, ...) \ 46 { \ 47 .pin = _pin, \ 48 .pkg = _pkg, \ 49 .functions = (struct stm32_desc_function[]){ \ 50 __VA_ARGS__, { } }, \ 51 } 52 #define STM32_FUNCTION(_num, _name) \ 53 { \ 54 .num = _num, \ 55 .name = _name, \ 56 } 57 58 struct stm32_pinctrl_match_data { 59 const struct stm32_desc_pin *pins; 60 const unsigned int npins; 61 }; 62 63 struct stm32_gpio_bank; 64 65 int stm32_pctl_probe(struct platform_device *pdev); 66 void stm32_pmx_get_mode(struct stm32_gpio_bank *bank, 67 int pin, u32 *mode, u32 *alt); 68 int stm32_pinctrl_resume(struct device *dev); 69 70 #endif /* __PINCTRL_STM32_H */ 71 72