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-rw-r--r--include/asm-mips/pmc-sierra/msp71xx/gpio.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/include/asm-mips/pmc-sierra/msp71xx/gpio.h b/include/asm-mips/pmc-sierra/msp71xx/gpio.h
new file mode 100644
index 000000000000..ebdbab973e41
--- /dev/null
+++ b/include/asm-mips/pmc-sierra/msp71xx/gpio.h
@@ -0,0 +1,46 @@
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 */