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If gpiolib was selected, asm-generic/gpio.h provides some prototypes for gpio API and implementation helpers. With this patch, platform code can implement its GPIO API using gpiolib without custom gpio.h file. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
21 lines
646 B
C
21 lines
646 B
C
#ifndef __ASM_MACH_GENERIC_GPIO_H
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#define __ASM_MACH_GENERIC_GPIO_H
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#ifdef CONFIG_HAVE_GPIO_LIB
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#define gpio_get_value __gpio_get_value
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#define gpio_set_value __gpio_set_value
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#define gpio_cansleep __gpio_cansleep
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#else
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int gpio_request(unsigned gpio, const char *label);
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void gpio_free(unsigned gpio);
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int gpio_direction_input(unsigned gpio);
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int gpio_direction_output(unsigned gpio, int value);
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int gpio_get_value(unsigned gpio);
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void gpio_set_value(unsigned gpio, int value);
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#endif
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int gpio_to_irq(unsigned gpio);
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int irq_to_gpio(unsigned irq);
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#include <asm-generic/gpio.h> /* cansleep wrappers */
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#endif /* __ASM_MACH_GENERIC_GPIO_H */
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