b91-pinctrl.h

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/*
 * Copyright (c) 2021 Telink Semiconductor
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_B91_PINCTRL_COMMON_H_
#define ZEPHYR_B91_PINCTRL_COMMON_H_
 
/* IDs for GPIO functions */
 
#define B91_FUNC_A       0x00
#define B91_FUNC_B       0x01
#define B91_FUNC_C       0x02
 
/* IDs for GPIO Ports  */
 
#define B91_PORT_A       0x00
#define B91_PORT_B       0x01
#define B91_PORT_C       0x02
#define B91_PORT_D       0x03
#define B91_PORT_E       0x04
 
/* IDs for GPIO Pins */
 
#define B91_PIN_0        0x01
#define B91_PIN_1        0x02
#define B91_PIN_2        0x04
#define B91_PIN_3        0x08
#define B91_PIN_4        0x10
#define B91_PIN_5        0x20
#define B91_PIN_6        0x40
#define B91_PIN_7        0x80
 
/* B91 pinctrl pull-up/down */
 
#define B91_PULL_NONE    0
#define B91_PULL_DOWN    2
#define B91_PULL_UP      3
 
/* Pin function positions */
 
#define B91_PIN_0_FUNC_POS    0x00
#define B91_PIN_1_FUNC_POS    0x02
#define B91_PIN_2_FUNC_POS    0x04
#define B91_PIN_3_FUNC_POS    0x06
#define B91_PIN_4_FUNC_POS    0x00
#define B91_PIN_5_FUNC_POS    0x02
#define B91_PIN_6_FUNC_POS    0x04
#define B91_PIN_7_FUNC_POS    0x06
 
/* B91 pin configuration bit field positions and masks */
 
#define B91_PULL_POS     19
#define B91_PULL_MSK     0x3
#define B91_FUNC_POS     16
#define B91_FUNC_MSK     0x3
#define B91_PORT_POS     8
#define B91_PORT_MSK     0xFF
#define B91_PIN_POS      0
#define B91_PIN_MSK      0xFFFF
#define B91_PIN_ID_MSK   0xFF
 
/* Setters and getters */
 
#define B91_PINMUX_SET(port, pin, func)   ((func << B91_FUNC_POS) | \
                                           (port << B91_PORT_POS) | \
                                           (pin << B91_PIN_POS))
#define B91_PINMUX_GET_PULL(pinmux)       ((pinmux >> B91_PULL_POS) & B91_PULL_MSK)
#define B91_PINMUX_GET_FUNC(pinmux)       ((pinmux >> B91_FUNC_POS) & B91_FUNC_MSK)
#define B91_PINMUX_GET_PIN(pinmux)        ((pinmux >> B91_PIN_POS) & B91_PIN_MSK)
#define B91_PINMUX_GET_PIN_ID(pinmux)     ((pinmux >> B91_PIN_POS) & B91_PIN_ID_MSK)
 
#endif  /* ZEPHYR_B91_PINCTRL_COMMON_H_ */