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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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af39bb8b07
This adds the basic infrastructure used by all of the different Coldfire CPUs. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/*
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* Coldfire generic GPIO support.
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*
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* (C) Copyright 2009, Steven King <sfking@fdwdc.com>
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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 as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef mcfgpio_h
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#define mcfgpio_h
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#include <linux/io.h>
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#include <asm-generic/gpio.h>
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struct mcf_gpio_chip {
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struct gpio_chip gpio_chip;
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void __iomem *pddr;
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void __iomem *podr;
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void __iomem *ppdr;
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void __iomem *setr;
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void __iomem *clrr;
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const u8 *gpio_to_pinmux;
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};
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int mcf_gpio_direction_input(struct gpio_chip *, unsigned);
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int mcf_gpio_get_value(struct gpio_chip *, unsigned);
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int mcf_gpio_direction_output(struct gpio_chip *, unsigned, int);
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void mcf_gpio_set_value(struct gpio_chip *, unsigned, int);
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void mcf_gpio_set_value_fast(struct gpio_chip *, unsigned, int);
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int mcf_gpio_request(struct gpio_chip *, unsigned);
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void mcf_gpio_free(struct gpio_chip *, unsigned);
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#endif
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