/* * Copyright (c) 2022 Vestas Wind Systems A/S * * SPDX-License-Identifier: Apache-2.0 */ #ifndef ZEPHYR_INCLUDE_DT_BINDINGS_GPIO_ESPRESSIF_ESP32_GPIO_H_ #define ZEPHYR_INCLUDE_DT_BINDINGS_GPIO_ESPRESSIF_ESP32_GPIO_H_ /** * @name GPIO drive strength flags * * The drive strength flags are a Zephyr specific extension of the standard GPIO * flags specified by the Linux GPIO binding. Only applicable for Espressif * ESP32 SoCs. * * The interface supports two different drive strengths: * `DFLT` - The lowest drive strength supported by the HW * `ALT` - The highest drive strength supported by the HW * * @{ */ /** @cond INTERNAL_HIDDEN */ #define ESP32_GPIO_DS_POS 9 #define ESP32_GPIO_DS_MASK (0x3U << ESP32_GPIO_DS_POS) /** @endcond */ /** Default drive strength. */ #define ESP32_GPIO_DS_DFLT (0x0U << ESP32_GPIO_DS_POS) /** Alternative drive strength. */ #define ESP32_GPIO_DS_ALT (0x3U << ESP32_GPIO_DS_POS) /** @} */ #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_GPIO_ESPRESSIF_ESP32_GPIO_H_ */