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Thierry Redingf3685592011-11-17 00:10:23 +00001/*
2 * Copyright (c) 2011, Google Inc. All rights reserved.
Wolfgang Denkd79de1d2013-07-08 09:37:19 +02003 * SPDX-License-Identifier: GPL-2.0+
Thierry Redingf3685592011-11-17 00:10:23 +00004 */
5
Tom Warrenab371962012-09-19 15:50:56 -07006#ifndef _TEGRA_GPIO_H_
7#define _TEGRA_GPIO_H_
Thierry Redingf3685592011-11-17 00:10:23 +00008
Tom Warrenab371962012-09-19 15:50:56 -07009#define MAX_NUM_GPIOS (TEGRA_GPIO_PORTS * TEGRA_GPIO_BANKS * 8)
10#define GPIO_NAME_SIZE 20 /* gpio_request max label len */
11
12#define GPIO_BANK(x) ((x) >> 5)
13#define GPIO_PORT(x) (((x) >> 3) & 0x3)
14#define GPIO_FULLPORT(x) ((x) >> 3)
15#define GPIO_BIT(x) ((x) & 0x7)
16
17/*
18 * Tegra-specific GPIO API
19 */
20
21void gpio_info(void);
Thierry Redingf3685592011-11-17 00:10:23 +000022
Tom Warrenab371962012-09-19 15:50:56 -070023#define gpio_status() gpio_info()
24#endif /* TEGRA_GPIO_H_ */