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/*
* Structures and registers for GPIO access in the Nomadik SoC
*
* Code ported from Nomadik GPIO driver in ST-Ericsson Linux kernel code.
* The purpose is that GPIO config found in kernel should work by simply
* copy-paste it to U-boot.
*
* Ported to U-boot by:
* Copyright (C) 2010 Joakim Axelsson <joakim.axelsson AT stericsson.com>
* Copyright (C) 2008 STMicroelectronics
* Author: Prafulla WADASKAR <prafulla.wadaskar@st.com>
* Copyright (C) 2009 Alessandro Rubini <rubini@unipv.it>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __DB8500_GPIO_H__
#define __DB8500_GPIO_H__
/* Alternate functions: function C is set in hw by setting both A and B */
enum db8500_gpio_alt {
DB8500_GPIO_ALT_GPIO = 0,
DB8500_GPIO_ALT_A = 1,
DB8500_GPIO_ALT_B = 2,
DB8500_GPIO_ALT_C = (DB8500_GPIO_ALT_A | DB8500_GPIO_ALT_B)
};
enum db8500_gpio_pull {
DB8500_GPIO_PULL_NONE,
DB8500_GPIO_PULL_UP,
DB8500_GPIO_PULL_DOWN
};
void db8500_gpio_set_pull(unsigned gpio, enum db8500_gpio_pull pull);
void db8500_gpio_make_input(unsigned gpio);
int db8500_gpio_get_input(unsigned gpio);
void db8500_gpio_make_output(unsigned gpio, int val);
void db8500_gpio_set_output(unsigned gpio, int val);
#endif /* __DB8500_GPIO_H__ */
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