mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-11 05:42:58 +00:00
84dee301c3
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: John Rigby <john.rigby@linaro.org> Acked-by: Tom Rini <trini@ti.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Conflicts: drivers/gpio/Makefile
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/*
|
|
* 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__ */
|