| Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| Dieter Kiermaier | e740eb8 | 2009-06-29 14:45:08 +0200 | [diff] [blame] | 2 | /* |
| 3 | * arch/asm-arm/mach-kirkwood/include/mach/gpio.h |
| Dieter Kiermaier | e740eb8 | 2009-06-29 14:45:08 +0200 | [diff] [blame] | 4 | */ |
| 5 | |
| 6 | /* |
| 7 | * Based on (mostly copied from) plat-orion based Linux 2.6 kernel driver. |
| 8 | * Removed kernel level irq handling. Took some macros from kernel to |
| 9 | * allow build. |
| 10 | * |
| 11 | * Dieter Kiermaier dk-arm-linux@gmx.de |
| 12 | */ |
| 13 | |
| 14 | #ifndef __KIRKWOOD_GPIO_H |
| 15 | #define __KIRKWOOD_GPIO_H |
| 16 | |
| Dieter Kiermaier | e740eb8 | 2009-06-29 14:45:08 +0200 | [diff] [blame] | 17 | #define GPIO_MAX 50 |
| 18 | #define GPIO_OFF(pin) (((pin) >> 5) ? 0x0040 : 0x0000) |
| Stefan Roese | c50ab39 | 2014-10-22 12:13:11 +0200 | [diff] [blame] | 19 | #define GPIO_OUT(pin) (MVEBU_GPIO0_BASE + GPIO_OFF(pin) + 0x00) |
| 20 | #define GPIO_IO_CONF(pin) (MVEBU_GPIO0_BASE + GPIO_OFF(pin) + 0x04) |
| 21 | #define GPIO_BLINK_EN(pin) (MVEBU_GPIO0_BASE + GPIO_OFF(pin) + 0x08) |
| 22 | #define GPIO_IN_POL(pin) (MVEBU_GPIO0_BASE + GPIO_OFF(pin) + 0x0c) |
| 23 | #define GPIO_DATA_IN(pin) (MVEBU_GPIO0_BASE + GPIO_OFF(pin) + 0x10) |
| 24 | #define GPIO_EDGE_CAUSE(pin) (MVEBU_GPIO0_BASE + GPIO_OFF(pin) + 0x14) |
| 25 | #define GPIO_EDGE_MASK(pin) (MVEBU_GPIO0_BASE + GPIO_OFF(pin) + 0x18) |
| 26 | #define GPIO_LEVEL_MASK(pin) (MVEBU_GPIO0_BASE + GPIO_OFF(pin) + 0x1c) |
| Dieter Kiermaier | e740eb8 | 2009-06-29 14:45:08 +0200 | [diff] [blame] | 27 | |
| 28 | /* |
| 29 | * Kirkwood-specific GPIO API |
| 30 | */ |
| Heiko Schocher | f70f342 | 2009-07-16 09:58:31 +0200 | [diff] [blame] | 31 | |
| 32 | void kw_gpio_set_valid(unsigned pin, int mode); |
| Dieter Kiermaier | e740eb8 | 2009-06-29 14:45:08 +0200 | [diff] [blame] | 33 | int kw_gpio_is_valid(unsigned pin, int mode); |
| 34 | int kw_gpio_direction_input(unsigned pin); |
| 35 | int kw_gpio_direction_output(unsigned pin, int value); |
| 36 | int kw_gpio_get_value(unsigned pin); |
| 37 | void kw_gpio_set_value(unsigned pin, int value); |
| 38 | void kw_gpio_set_blink(unsigned pin, int blink); |
| 39 | void kw_gpio_set_unused(unsigned pin); |
| 40 | |
| 41 | #define GPIO_INPUT_OK (1 << 0) |
| 42 | #define GPIO_OUTPUT_OK (1 << 1) |
| 43 | |
| 44 | #endif |