max32-pinctrl.h

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/*
 * Copyright (c) 2023-2024 Analog Devices, Inc.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_MAX32_PINCTRL_H_
#define ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_MAX32_PINCTRL_H_

#define MAX32_MODE_GPIO 0x00
#define MAX32_MODE_AF1  0x01
#define MAX32_MODE_AF2  0x02
#define MAX32_MODE_AF3  0x03
#define MAX32_MODE_AF4  0x04
#define MAX32_MODE_AF5  0x05

#define MAX32_MODE_SHIFT 0U
#define MAX32_MODE_MASK  0x0FU
#define MAX32_PORT_SHIFT 4U
#define MAX32_PORT_MASK  0x0FU
#define MAX32_PIN_SHIFT  8U
#define MAX32_PIN_MASK   0xFFU

#define MAX32_PINMUX(port, pin, mode)                                                              \
        ((((port)&MAX32_PORT_MASK) << MAX32_PORT_SHIFT) |                                          \
         (((pin)&MAX32_PIN_MASK) << MAX32_PIN_SHIFT) |                                             \
         (((MAX32_MODE_##mode) & MAX32_MODE_MASK) << MAX32_MODE_SHIFT))
#define MAX32_PINMUX(port, pin, mode)                                                              \ …
 
#define MAX32_PINMUX_PORT(pinmux) (((pinmux) >> MAX32_PORT_SHIFT) & MAX32_PORT_MASK)
#define MAX32_PINMUX_PIN(pinmux)  (((pinmux) >> MAX32_PIN_SHIFT) & MAX32_PIN_MASK)
#define MAX32_PINMUX_MODE(pinmux) (((pinmux) >> MAX32_MODE_SHIFT) & MAX32_MODE_MASK)
 
/* Selects the voltage rail used for the pin */
#define MAX32_VSEL_VDDIO  0
#define MAX32_VSEL_VDDIOH 1

#define MAX32_INPUT_ENABLE_SHIFT   0x00
#define MAX32_BIAS_PULL_UP_SHIFT   0x01
#define MAX32_BIAS_PULL_DOWN_SHIFT 0x02
#define MAX32_OUTPUT_ENABLE_SHIFT  0x03
#define MAX32_POWER_SOURCE_SHIFT   0x04
#define MAX32_OUTPUT_HIGH_SHIFT    0x05
#define MAX32_DRV_STRENGTH_SHIFT   0x06 /* 2 bits */
#define MAX32_DRV_STRENGTH_MASK    0x03
 
#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_MAX32_PINCTRL_H_ */