Zephyr API Documentation 4.1.99
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 4.1.99
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silabs-pinctrl-siwx91x.h
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1/*
2 * Copyright (c) 2024 Silicon Laboratories Inc.
3 * SPDX-License-Identifier: Apache-2.0
4 */
5
6#ifndef INCLUDE_ZEPHYR_DT_BINDINGS_PINCTRL_SILABS_PINCTRL_SIWX91X_H_
7#define INCLUDE_ZEPHYR_DT_BINDINGS_PINCTRL_SILABS_PINCTRL_SIWX91X_H_
8
9#include <zephyr/dt-bindings/dt-util.h>
10
11#if !defined(FIELD_PREP)
12/* Upstream does not make these macros available to DeviceTree */
13#define LSB_GET(value) ((value) & -(value))
14#define FIELD_GET(mask, value) (((value) & (mask)) / LSB_GET(mask))
15#define FIELD_PREP(mask, value) (((value) * LSB_GET(mask)) & (mask))
16#endif
17
18#define SIWX91X_PINCTRL_PORT_MASK 0x0000000FUL
19#define SIWX91X_PINCTRL_PIN_MASK 0x000000F0UL
20#define SIWX91X_PINCTRL_ULPPIN_MASK 0x00000F00UL
21#define SIWX91X_PINCTRL_MODE_MASK 0x0003F000UL
22#define SIWX91X_PINCTRL_ULPMODE_MASK 0x00FC0000UL
23#define SIWX91X_PINCTRL_PAD_MASK 0xFF000000UL
24
25/* Declare an integer representing the pinctrl/gpio state of a signal on SiWx91x.
26 * @param mode HP GPIO mode, 0xFF if HP GPIO mux isn't used
27 * @param ulpmode ULP GPIO mode, 0xFF if ULP GPIO mux isn't used
28 * @param pad HP pad number, 0xFF if HP pad isn't used, 0 if host pad
29 * @param port GPIO port number (0-4)
30 * @param pin HP GPIO pin number, value is unused if mode is 0xFF
31 * @param ulppin ULP GPIO pin number, value is unused if ulpmode is 0xFF
32 */
33#define SIWX91X_GPIO(mode, ulpmode, pad, port, pin, ulppin) \
34 (FIELD_PREP(SIWX91X_PINCTRL_PORT_MASK, port) | FIELD_PREP(SIWX91X_PINCTRL_PIN_MASK, pin) | \
35 FIELD_PREP(SIWX91X_PINCTRL_ULPPIN_MASK, ulppin) | \
36 FIELD_PREP(SIWX91X_PINCTRL_MODE_MASK, mode) | \
37 FIELD_PREP(SIWX91X_PINCTRL_ULPMODE_MASK, ulpmode) | \
38 FIELD_PREP(SIWX91X_PINCTRL_PAD_MASK, pad))
39
40#endif /* INCLUDE_ZEPHYR_DT_BINDINGS_PINCTRL_SILABS_PINCTRL_SIWX91X_H_ */