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