tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved. */
3
4/*
5 * This header provides constants for the nvidia,tegra256-gpio DT binding.
6 *
7 * The first cell in Tegra's GPIO specifier is the GPIO ID.
8 * The macros below provide names for this.
9 *
10 * The second cell contains standard flag values specified in gpio.h.
11 */
12
13#ifndef _DT_BINDINGS_GPIO_TEGRA256_GPIO_H
14#define _DT_BINDINGS_GPIO_TEGRA256_GPIO_H
15
16#include <dt-bindings/gpio/gpio.h>
17
18/* GPIOs implemented by main GPIO controller */
19#define TEGRA256_MAIN_GPIO_PORT_A 0
20#define TEGRA256_MAIN_GPIO_PORT_B 1
21#define TEGRA256_MAIN_GPIO_PORT_C 2
22#define TEGRA256_MAIN_GPIO_PORT_D 3
23
24#define TEGRA256_MAIN_GPIO(port, offset) \
25 ((TEGRA256_MAIN_GPIO_PORT_##port * 8) + (offset))
26
27#endif
28