1c44f5f16f
This adds gpiolib support for the PXA architecture: - move all GPIO API functions from generic.c into gpio.c - convert the gpio_get/set_value macros into inline functions This makes it easier to hook up GPIOs provided by external chips like ASICs and CPLDs. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Jean Delvare <khali@linux-fr.org> Cc: Eric Miao <eric.miao@marvell.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Ben Gardner <bgardner@wabtec.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> [ Minor ARM fixup from David Brownell folded into this ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/*
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* linux/arch/arm/mach-pxa/generic.h
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*
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* Author: Nicolas Pitre
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* Copyright: MontaVista Software Inc.
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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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struct sys_timer;
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extern struct sys_timer pxa_timer;
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extern void __init pxa_init_irq_low(void);
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extern void __init pxa_init_irq_high(void);
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extern void __init pxa_init_irq_gpio(int gpio_nr);
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extern void __init pxa_init_irq_set_wake(int (*set_wake)(unsigned int, unsigned int));
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extern void __init pxa_init_gpio(int gpio_nr);
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extern void __init pxa25x_init_irq(void);
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extern void __init pxa27x_init_irq(void);
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extern void __init pxa3xx_init_irq(void);
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extern void __init pxa_map_io(void);
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extern unsigned int get_clk_frequency_khz(int info);
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extern int pxa_last_gpio;
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#define SET_BANK(__nr,__start,__size) \
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mi->bank[__nr].start = (__start), \
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mi->bank[__nr].size = (__size), \
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mi->bank[__nr].node = (((unsigned)(__start) - PHYS_OFFSET) >> 27)
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#ifdef CONFIG_PXA25x
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extern unsigned pxa25x_get_clk_frequency_khz(int);
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extern unsigned pxa25x_get_memclk_frequency_10khz(void);
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#else
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#define pxa25x_get_clk_frequency_khz(x) (0)
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#define pxa25x_get_memclk_frequency_10khz() (0)
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#endif
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#ifdef CONFIG_PXA27x
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extern unsigned pxa27x_get_clk_frequency_khz(int);
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extern unsigned pxa27x_get_memclk_frequency_10khz(void);
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#else
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#define pxa27x_get_clk_frequency_khz(x) (0)
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#define pxa27x_get_memclk_frequency_10khz() (0)
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#endif
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#ifdef CONFIG_PXA3xx
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extern unsigned pxa3xx_get_clk_frequency_khz(int);
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extern unsigned pxa3xx_get_memclk_frequency_10khz(void);
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#else
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#define pxa3xx_get_clk_frequency_khz(x) (0)
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#define pxa3xx_get_memclk_frequency_10khz() (0)
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#endif
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extern struct sysdev_class pxa_irq_sysclass;
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extern struct sysdev_class pxa_gpio_sysclass;
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