278b45b06b
Both IRQ and GPIO controllers can now be represented in DT. The IRQ controllers are setup first, and then the GPIO controllers. Interrupts for GPIO lines are placed directly after the main interrupts in the interrupt space. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@googlemail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Tested-by: Josh Coombs <josh.coombs@gmail.com> Tested-by: Simon Baatz <gmbnomis@gmail.com>
38 lines
1.0 KiB
C
38 lines
1.0 KiB
C
/*
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* arch/arm/plat-orion/include/plat/gpio.h
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*
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* Marvell Orion SoC GPIO handling.
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#ifndef __PLAT_GPIO_H
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#define __PLAT_GPIO_H
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/irqdomain.h>
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/*
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* Orion-specific GPIO API extensions.
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*/
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void orion_gpio_set_unused(unsigned pin);
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void orion_gpio_set_blink(unsigned pin, int blink);
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int orion_gpio_led_blink_set(unsigned gpio, int state,
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unsigned long *delay_on, unsigned long *delay_off);
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#define GPIO_INPUT_OK (1 << 0)
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#define GPIO_OUTPUT_OK (1 << 1)
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void orion_gpio_set_valid(unsigned pin, int mode);
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/* Initialize gpiolib. */
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void __init orion_gpio_init(struct device_node *np,
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int gpio_base, int ngpio,
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void __iomem *base, int mask_offset,
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int secondary_irq_base,
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int irq[4]);
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void __init orion_gpio_of_init(int irq_gpio_base);
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#endif
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