| /* |
| * 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_ */ |
