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 31struct stm32_desc_function { 32 const char *name; 33 const unsigned char num; 34}; 35 36struct 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 62struct stm32_pinctrl_match_data { 63 const struct stm32_desc_pin *pins; 64 const unsigned int npins; 65 bool secure_control; 66}; 67 68struct stm32_gpio_bank; 69 70int stm32_pctl_probe(struct platform_device *pdev); 71void stm32_pmx_get_mode(struct stm32_gpio_bank *bank, 72 int pin, u32 *mode, u32 *alt); 73int stm32_pinctrl_suspend(struct device *dev); 74int stm32_pinctrl_resume(struct device *dev); 75 76#endif /* __PINCTRL_STM32_H */ 77 78