LXR linux/drivers/pinctrl/stm32/pinctrl-stm32.h

   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
  27struct stm32_desc_function {
  28        const char *name;
  29        const unsigned char num;
  30};
  31
  32struct 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
  58struct stm32_pinctrl_match_data {
  59        const struct stm32_desc_pin *pins;
  60        const unsigned int npins;
  61};
  62
  63struct stm32_gpio_bank;
  64
  65int stm32_pctl_probe(struct platform_device *pdev);
  66void stm32_pmx_get_mode(struct stm32_gpio_bank *bank,
  67                        int pin, u32 *mode, u32 *alt);
  68int stm32_pinctrl_resume(struct device *dev);
  69
  70#endif /* __PINCTRL_STM32_H */
  71
  72