47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/*
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* include/asm-mips/pmc-sierra/msp71xx/gpio.h
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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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* @author Patrick Glass <patrickglass@gmail.com>
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*/
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#ifndef __PMC_MSP71XX_GPIO_H
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#define __PMC_MSP71XX_GPIO_H
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/* Max number of gpio's is 28 on chip plus 3 banks of I2C IO Expanders */
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#define ARCH_NR_GPIOS (28 + (3 * 8))
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/* new generic GPIO API - see Documentation/gpio.txt */
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#include <asm-generic/gpio.h>
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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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/* Setup calls for the gpio and gpio extended */
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extern void msp71xx_init_gpio(void);
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extern void msp71xx_init_gpio_extended(void);
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extern int msp71xx_set_output_drive(unsigned gpio, int value);
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/* Custom output drive functionss */
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static inline int gpio_set_output_drive(unsigned gpio, int value)
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{
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return msp71xx_set_output_drive(gpio, value);
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}
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/* IRQ's are not supported for gpio lines */
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static inline int gpio_to_irq(unsigned gpio)
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{
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return -EINVAL;
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}
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static inline int irq_to_gpio(unsigned irq)
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{
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return -EINVAL;
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}
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#endif /* __PMC_MSP71XX_GPIO_H */
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