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 28 struct stm32_desc_function { 29 const char *name; 30 const unsigned char num; 31 }; 32 33 struct stm32_desc_pin { 34 struct pinctrl_pin_desc pin; 35 const struct stm32_desc_function functions[STM32_CONFIG_NUM]; 36 const unsigned int pkg; 37 }; 38 39 #define STM32_PIN(_pin, ...) \ 40 { \ 41 .pin = _pin, \ 42 .functions = { \ 43 __VA_ARGS__}, \ 44 } 45 46 #define STM32_PIN_PKG(_pin, _pkg, ...) \ 47 { \ 48 .pin = _pin, \ 49 .pkg = _pkg, \ 50 .functions = { \ 51 __VA_ARGS__}, \ 52 } 53 #define STM32_FUNCTION(_num, _name) \ 54 [_num] = { \ 55 .num = _num, \ 56 .name = _name, \ 57 } 58 59 struct stm32_pinctrl_match_data { 60 const struct stm32_desc_pin *pins; 61 const unsigned int npins; 62 bool secure_control; 63 }; 64 65 struct stm32_gpio_bank; 66 67 int stm32_pctl_probe(struct platform_device *pdev); 68 void stm32_pmx_get_mode(struct stm32_gpio_bank *bank, 69 int pin, u32 *mode, u32 *alt); 70 int stm32_pinctrl_suspend(struct device *dev); 71 int stm32_pinctrl_resume(struct device *dev); 72 73 #endif /* __PINCTRL_STM32_H */ 74 75