stm32-pinctrl.h

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/*
 * Copyright (c) 2017 Linaro Limited
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_STM32_PINCTRL_H_
#define ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_STM32_PINCTRL_H_
 
#include <zephyr/dt-bindings/pinctrl/stm32-pinctrl-common.h>
 
/* Adapted from Linux: include/dt-bindings/pinctrl/stm32-pinfunc.h */

 
#define STM32_AF0     0x0
#define STM32_AF1     0x1
#define STM32_AF2     0x2
#define STM32_AF3     0x3
#define STM32_AF4     0x4
#define STM32_AF5     0x5
#define STM32_AF6     0x6
#define STM32_AF7     0x7
#define STM32_AF8     0x8
#define STM32_AF9     0x9
#define STM32_AF10    0xa
#define STM32_AF11    0xb
#define STM32_AF12    0xc
#define STM32_AF13    0xd
#define STM32_AF14    0xe
#define STM32_AF15    0xf
#define STM32_ANALOG  0x10
#define STM32_GPIO    0x11

 
#define STM32_MODE_SHIFT 0U
#define STM32_MODE_MASK  0x1FU
#define STM32_LINE_SHIFT 5U
#define STM32_LINE_MASK  0xFU
#define STM32_PORT_SHIFT 9U
#define STM32_PORT_MASK  0x1FU

#define STM32_PINMUX(port, line, mode)                                         \
                (((((port) - 'A') & STM32_PORT_MASK) << STM32_PORT_SHIFT) |    \
                (((line) & STM32_LINE_MASK) << STM32_LINE_SHIFT) |             \
                (((STM32_ ## mode) & STM32_MODE_MASK) << STM32_MODE_SHIFT))
 
#endif  /* ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_STM32_PINCTRL_H_ */