2 * Copyright (c) 2011, Google Inc. All rights reserved.
3 * See file CREDITS for list of people who contributed to this
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 of
9 * the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 #ifndef _TEGRA_GPIO_H_
23 #define _TEGRA_GPIO_H_
25 #define MAX_NUM_GPIOS (TEGRA_GPIO_PORTS * TEGRA_GPIO_BANKS * 8)
26 #define GPIO_NAME_SIZE 20 /* gpio_request max label len */
28 #define GPIO_BANK(x) ((x) >> 5)
29 #define GPIO_PORT(x) (((x) >> 3) & 0x3)
30 #define GPIO_FULLPORT(x) ((x) >> 3)
31 #define GPIO_BIT(x) ((x) & 0x7)
34 * Tegra-specific GPIO API
39 #define gpio_status() gpio_info()
40 #endif /* TEGRA_GPIO_H_ */