1/*
 2 * include/asm-mips/pmc-sierra/msp71xx/gpio.h
 3 *
 4 * This program is free software; you can redistribute it and/or modify
 5 * it under the terms of the GNU General Public License version 2 as
 6 * published by the Free Software Foundation.
 7 *
 8 * @author Patrick Glass <patrickglass@gmail.com>
 9 */
10
11#ifndef __PMC_MSP71XX_GPIO_H
12#define __PMC_MSP71XX_GPIO_H
13
14/* Max number of gpio's is 28 on chip plus 3 banks of I2C IO Expanders */
15#define ARCH_NR_GPIOS (28 + (3 * 8))
16
17/* new generic GPIO API - see Documentation/gpio.txt */
18#include <asm-generic/gpio.h>
19
20#define gpio_get_value	__gpio_get_value
21#define gpio_set_value	__gpio_set_value
22#define gpio_cansleep	__gpio_cansleep
23
24/* Setup calls for the gpio and gpio extended */
25extern void msp71xx_init_gpio(void);
26extern void msp71xx_init_gpio_extended(void);
27extern int msp71xx_set_output_drive(unsigned gpio, int value);
28
29/* Custom output drive functionss */
30static inline int gpio_set_output_drive(unsigned gpio, int value)
31{
32	return msp71xx_set_output_drive(gpio, value);
33}
34
35/* IRQ's are not supported for gpio lines */
36static inline int gpio_to_irq(unsigned gpio)
37{
38	return -EINVAL;
39}
40
41static inline int irq_to_gpio(unsigned irq)
42{
43	return -EINVAL;
44}
45
46#endif /* __PMC_MSP71XX_GPIO_H */