| Lennert Buytenhek | 9569dae | 2008-10-20 01:51:03 +0200 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/plat-orion/include/plat/gpio.h |
| 3 | * |
| 4 | * Marvell Orion SoC GPIO handling. |
| 5 | * |
| 6 | * This file is licensed under the terms of the GNU General Public |
| 7 | * License version 2. This program is licensed "as is" without any |
| 8 | * warranty of any kind, whether express or implied. |
| 9 | */ |
| 10 | |
| 11 | #ifndef __PLAT_GPIO_H |
| 12 | #define __PLAT_GPIO_H |
| 13 | |
| Martin Michlmayr | 3e475f5 | 2009-08-17 23:34:10 -1000 | [diff] [blame] | 14 | #include <linux/init.h> |
| Lennert Buytenhek | 9eac6d0 | 2010-12-14 12:54:03 +0100 | [diff] [blame] | 15 | #include <asm-generic/gpio.h> |
| Martin Michlmayr | 3e475f5 | 2009-08-17 23:34:10 -1000 | [diff] [blame] | 16 | |
| Lennert Buytenhek | 9569dae | 2008-10-20 01:51:03 +0200 | [diff] [blame] | 17 | /* |
| 18 | * GENERIC_GPIO primitives. |
| 19 | */ |
| Erik Benada | a886565 | 2009-05-28 17:08:55 -0700 | [diff] [blame] | 20 | #define gpio_get_value __gpio_get_value |
| 21 | #define gpio_set_value __gpio_set_value |
| 22 | #define gpio_cansleep __gpio_cansleep |
| Lennert Buytenhek | 9eac6d0 | 2010-12-14 12:54:03 +0100 | [diff] [blame] | 23 | #define gpio_to_irq __gpio_to_irq |
| Lennert Buytenhek | 9569dae | 2008-10-20 01:51:03 +0200 | [diff] [blame] | 24 | |
| 25 | /* |
| 26 | * Orion-specific GPIO API extensions. |
| 27 | */ |
| 28 | void orion_gpio_set_unused(unsigned pin); |
| Lennert Buytenhek | 9569dae | 2008-10-20 01:51:03 +0200 | [diff] [blame] | 29 | void orion_gpio_set_blink(unsigned pin, int blink); |
| 30 | |
| Erik Benada | a886565 | 2009-05-28 17:08:55 -0700 | [diff] [blame] | 31 | #define GPIO_INPUT_OK (1 << 0) |
| 32 | #define GPIO_OUTPUT_OK (1 << 1) |
| Nicolas Pitre | 28d27cf | 2009-02-02 15:27:55 -0500 | [diff] [blame] | 33 | void orion_gpio_set_valid(unsigned pin, int mode); |
| 34 | |
| Erik Benada | a886565 | 2009-05-28 17:08:55 -0700 | [diff] [blame] | 35 | /* Initialize gpiolib. */ |
| Lennert Buytenhek | 9eac6d0 | 2010-12-14 12:54:03 +0100 | [diff] [blame] | 36 | void __init orion_gpio_init(int gpio_base, int ngpio, |
| 37 | u32 base, int mask_offset, int secondary_irq_base); |
| Erik Benada | a886565 | 2009-05-28 17:08:55 -0700 | [diff] [blame] | 38 | |
| Lennert Buytenhek | 0733231 | 2008-10-20 01:51:03 +0200 | [diff] [blame] | 39 | /* |
| 40 | * GPIO interrupt handling. |
| 41 | */ |
| Nicolas Pitre | fd4b9b3 | 2009-02-17 20:45:50 +0100 | [diff] [blame] | 42 | extern struct irq_chip orion_gpio_irq_chip; |
| Lennert Buytenhek | 0733231 | 2008-10-20 01:51:03 +0200 | [diff] [blame] | 43 | void orion_gpio_irq_handler(int irqoff); |
| 44 | |
| Lennert Buytenhek | 9569dae | 2008-10-20 01:51:03 +0200 | [diff] [blame] | 45 | |
| 46 | #endif |