stm32f1-pinctrl.h

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/*
 * Copyright (c) 2017 Linaro Limited
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_STM32F1_PINCTRL_H_
#define ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_STM32F1_PINCTRL_H_
 
#include <zephyr/dt-bindings/pinctrl/stm32-pinctrl-common.h>
#include <zephyr/dt-bindings/pinctrl/stm32f1-afio.h>
 
/* Adapted from Linux: include/dt-bindings/pinctrl/stm32-pinfunc.h */
 
#define STM32_MODE_SHIFT  0U
#define STM32_MODE_MASK   0x3U
#define STM32_LINE_SHIFT  2U
#define STM32_LINE_MASK   0xFU
#define STM32_PORT_SHIFT  6U
#define STM32_PORT_MASK   0xFU
#define STM32_REMAP_SHIFT 10U
#define STM32_REMAP_MASK  0x3FFU
 
#define STM32F1_PINMUX(port, line, mode, remap)                                \
                (((((port) - 'A') & STM32_PORT_MASK) << STM32_PORT_SHIFT) |    \
                (((line) & STM32_LINE_MASK) << STM32_LINE_SHIFT) |             \
                (((mode) & STM32_MODE_MASK) << STM32_MODE_SHIFT) |             \
                (((remap) & STM32_REMAP_MASK) << STM32_REMAP_SHIFT))
 
#define ALTERNATE       0x0  /* Alternate function output */
#define GPIO_IN         0x1  /* Input */
#define ANALOG          0x2  /* Analog */
#define GPIO_OUT        0x3  /* Output */
 
#endif  /* ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_STM32F1_PINCTRL_H_ */