projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 63f385cd | 1 | /* |
| 4baa9922 | 2 | * arch/arm/include/asm/hardware/iop3xx-gpio.h |
| 63f385cd AP |
3 | * |
| 4 | * IOP3xx GPIO wrappers | |
| 5 | * | |
| 6 | * Copyright (c) 2008 Arnaud Patard <arnaud.patard@rtp-net.org> | |
| 7 | * Based on IXP4XX gpio.h file | |
| 8 | * | |
| 9 | * This program is free software; you can redistribute it and/or modify | |
| 10 | * it under the terms of the GNU General Public License as published by | |
| 11 | * the Free Software Foundation; either version 2 of the License, or | |
| 12 | * (at your option) any later version. | |
| 13 | * | |
| 14 | * This program is distributed in the hope that it will be useful, | |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 | * GNU General Public License for more details. | |
| 18 | * | |
| 19 | * You should have received a copy of the GNU General Public License | |
| 20 | * along with this program; if not, write to the Free Software | |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 22 | * | |
| 23 | */ | |
| 24 | ||
| 25 | #ifndef __ASM_ARM_HARDWARE_IOP3XX_GPIO_H | |
| 26 | #define __ASM_ARM_HARDWARE_IOP3XX_GPIO_H | |
| 27 | ||
| a09e64fb | 28 | #include <mach/hardware.h> |
| 63f385cd AP |
29 | #include <asm-generic/gpio.h> |
| 30 | ||
| 31 | #define IOP3XX_N_GPIOS 8 | |
| 32 | ||
| 33 | static inline int gpio_get_value(unsigned gpio) | |
| 34 | { | |
| 35 | if (gpio > IOP3XX_N_GPIOS) | |
| 36 | return __gpio_get_value(gpio); | |
| 37 | ||
| 38 | return gpio_line_get(gpio); | |
| 39 | } | |
| 40 | ||
| 41 | static inline void gpio_set_value(unsigned gpio, int value) | |
| 42 | { | |
| 43 | if (gpio > IOP3XX_N_GPIOS) { | |
| 44 | __gpio_set_value(gpio, value); | |
| 45 | return; | |
| 46 | } | |
| 47 | gpio_line_set(gpio, value); | |
| 48 | } | |
| 49 | ||
| 50 | static inline int gpio_cansleep(unsigned gpio) | |
| 51 | { | |
| 52 | if (gpio < IOP3XX_N_GPIOS) | |
| 53 | return 0; | |
| 54 | else | |
| 55 | return __gpio_cansleep(gpio); | |
| 56 | } | |
| 57 | ||
| 58 | /* | |
| 59 | * The GPIOs are not generating any interrupt | |
| 60 | * Note : manuals are not clear about this | |
| 61 | */ | |
| 62 | static inline int gpio_to_irq(int gpio) | |
| 63 | { | |
| 64 | return -EINVAL; | |
| 65 | } | |
| 66 | ||
| 67 | static inline int irq_to_gpio(int gpio) | |
| 68 | { | |
| 69 | return -EINVAL; | |
| 70 | } | |
| 71 | ||
| 72 | #endif | |
| 73 |