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