| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved. */ |
| |
| /* |
| * This header provides constants for the nvidia,tegra256-gpio DT binding. |
| * |
| * The first cell in Tegra's GPIO specifier is the GPIO ID. |
| * The macros below provide names for this. |
| * |
| * The second cell contains standard flag values specified in gpio.h. |
| */ |
| |
| #ifndef _DT_BINDINGS_GPIO_TEGRA256_GPIO_H |
| #define _DT_BINDINGS_GPIO_TEGRA256_GPIO_H |
| |
| #include <dt-bindings/gpio/gpio.h> |
| |
| /* GPIOs implemented by main GPIO controller */ |
| #define TEGRA256_MAIN_GPIO_PORT_A 0 |
| #define TEGRA256_MAIN_GPIO_PORT_B 1 |
| #define TEGRA256_MAIN_GPIO_PORT_C 2 |
| #define TEGRA256_MAIN_GPIO_PORT_D 3 |
| |
| #define TEGRA256_MAIN_GPIO(port, offset) \ |
| ((TEGRA256_MAIN_GPIO_PORT_##port * 8) + (offset)) |
| |
| #endif |
| |