include/linux/gpio-pxa.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef __GPIO_PXA_H
0003 #define __GPIO_PXA_H
0004
0005 #define GPIO_bit(x) (1 << ((x) & 0x1f))
0006
0007 #define gpio_to_bank(gpio)  ((gpio) >> 5)
0008
0009 /* NOTE: some PXAs have fewer on-chip GPIOs (like PXA255, with 85).
0010  * Those cases currently cause holes in the GPIO number space, the
0011  * actual number of the last GPIO is recorded by 'pxa_last_gpio'.
0012  */
0013 extern int pxa_last_gpio;
0014
0015 extern int pxa_irq_to_gpio(int irq);
0016
0017 struct pxa_gpio_platform_data {
0018     int irq_base;
0019     int (*gpio_set_wake)(unsigned int gpio, unsigned int on);
0020 };
0021
0022 #endif /* __GPIO_PXA_H */