add generic 2.6.26 patches/files
SVN-Revision: 11323
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/*
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* Definitions for the GPIO buttons interface driver
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*
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* Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org>
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*
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* This file was based on: /include/linux/gpio_keys.h
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* The original gpio_keys.h seems not to have a license.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#ifndef _GPIO_BUTTONS_H_
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#define _GPIO_BUTTONS_H_
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struct gpio_button {
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int gpio; /* GPIO line number */
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int active_low;
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char *desc; /* button description */
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int type; /* input event type (EV_KEY, EV_SW) */
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int code; /* input event code (KEY_*, SW_*) */
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int count;
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int threshold; /* count threshold */
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};
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struct gpio_buttons_platform_data {
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struct gpio_button *buttons;
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int nbuttons; /* number of buttons */
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int poll_interval; /* polling interval */
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};
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#endif /* _GPIO_BUTTONS_H_ */
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#ifndef _GPIODEV_H__
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#define _GPIODEV_H__
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#define IOC_GPIODEV_MAGIC 'B'
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#define GPIO_GET _IO(IOC_GPIODEV_MAGIC, 10)
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#define GPIO_SET _IO(IOC_GPIODEV_MAGIC, 11)
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#define GPIO_CLEAR _IO(IOC_GPIODEV_MAGIC, 12)
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#define GPIO_DIR_IN _IO(IOC_GPIODEV_MAGIC, 13)
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#define GPIO_DIR_OUT _IO(IOC_GPIODEV_MAGIC, 14)
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#endif
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@@ -0,0 +1,53 @@
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/*
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* spi_gpio interface to platform code
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*
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* Copyright (c) 2008 Piotr Skamruk
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef _LINUX_SPI_SPI_GPIO
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#define _LINUX_SPI_SPI_GPIO
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#include <linux/types.h>
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#include <linux/spi/spi.h>
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/** struct spi_gpio_platform_data - Data definitions for a SPI-GPIO device.
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* This structure holds information about a GPIO-based SPI device.
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*
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* @pin_clk: The GPIO pin number of the CLOCK pin.
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*
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* @pin_miso: The GPIO pin number of the MISO pin.
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*
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* @pin_mosi: The GPIO pin number of the MOSI pin.
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*
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* @pin_cs: The GPIO pin number of the CHIPSELECT pin.
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*
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* @cs_activelow: If true, the chip is selected when the CS line is low.
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*
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* @no_spi_delay: If true, no delay is done in the lowlevel bitbanging.
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* Note that doing no delay is not standards compliant,
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* but it might be needed to speed up transfers on some
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* slow embedded machines.
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*
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* @boardinfo_setup: This callback is called after the
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* SPI master device was registered, but before the
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* device is registered.
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* @boardinfo_setup_data: Data argument passed to boardinfo_setup().
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*/
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struct spi_gpio_platform_data {
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unsigned int pin_clk;
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unsigned int pin_miso;
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unsigned int pin_mosi;
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unsigned int pin_cs;
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bool cs_activelow;
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bool no_spi_delay;
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int (*boardinfo_setup)(struct spi_board_info *bi,
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struct spi_master *master,
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void *data);
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void *boardinfo_setup_data;
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};
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#endif /* _LINUX_SPI_SPI_GPIO */
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