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  0xFU
 
#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))
 
/* GPIO Mode */
#define STM32_MODER_INPUT_MODE          (0x0 << STM32_MODER_SHIFT)
#define STM32_MODER_OUTPUT_MODE         (0x1 << STM32_MODER_SHIFT)
#define STM32_MODER_ALT_MODE            (0x2 << STM32_MODER_SHIFT)
#define STM32_MODER_ANALOG_MODE         (0x3 << STM32_MODER_SHIFT)
#define STM32_MODER_MASK                0x3
#define STM32_MODER_SHIFT               4
 
/* GPIO Output type */
#define STM32_OTYPER_PUSH_PULL          (0x0 << STM32_OTYPER_SHIFT)
#define STM32_OTYPER_OPEN_DRAIN         (0x1 << STM32_OTYPER_SHIFT)
#define STM32_OTYPER_MASK               0x1
#define STM32_OTYPER_SHIFT              6
 
/* GPIO speed */
#define STM32_OSPEEDR_LOW_SPEED         (0x0 << STM32_OSPEEDR_SHIFT)
#define STM32_OSPEEDR_MEDIUM_SPEED      (0x1 << STM32_OSPEEDR_SHIFT)
#define STM32_OSPEEDR_HIGH_SPEED        (0x2 << STM32_OSPEEDR_SHIFT)
#define STM32_OSPEEDR_VERY_HIGH_SPEED   (0x3 << STM32_OSPEEDR_SHIFT)
#define STM32_OSPEEDR_MASK              0x3
#define STM32_OSPEEDR_SHIFT             7
 
/* GPIO High impedance/Pull-up/pull-down */
#define STM32_PUPDR_NO_PULL             (0x0 << STM32_PUPDR_SHIFT)
#define STM32_PUPDR_PULL_UP             (0x1 << STM32_PUPDR_SHIFT)
#define STM32_PUPDR_PULL_DOWN           (0x2 << STM32_PUPDR_SHIFT)
#define STM32_PUPDR_MASK                0x3
#define STM32_PUPDR_SHIFT               9
 
/* GPIO plain output value */
#define STM32_ODR_0                     (0x0 << STM32_ODR_SHIFT)
#define STM32_ODR_1                     (0x1 << STM32_ODR_SHIFT)
#define STM32_ODR_MASK                  0x1
#define STM32_ODR_SHIFT                 11
 
#endif  /* ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_STM32_PINCTRL_H_ */