kernel-fxtec-pro1x/include/linux/spi/libertas_spi.h
Mike Rapoport 0c2bec9694 libertas: if_spi: add ability to call board specific setup/teardown methods
In certain cases it is required to perform board specific actions
before activating libertas G-SPI interface. These actions may include
power up of the chip, GPIOs setup, proper pin-strapping and SPI
controller config.
This patch adds ability to call board specific setup/teardown methods

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Acked-by: Andrey Yurovsky <andrey@cozybit.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-02-09 15:03:48 -05:00

32 lines
963 B
C

/*
* board-specific data for the libertas_spi driver.
*
* Copyright 2008 Analog Devices Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*/
#ifndef _LIBERTAS_SPI_H_
#define _LIBERTAS_SPI_H_
struct spi_device;
struct libertas_spi_platform_data {
/* There are two ways to read data from the WLAN module's SPI
* interface. Setting 0 or 1 here controls which one is used.
*
* Usually you want to set use_dummy_writes = 1.
* However, if that doesn't work or if you are using a slow SPI clock
* speed, you may want to use 0 here. */
u16 use_dummy_writes;
/* GPIO number to use as chip select */
u16 gpio_cs;
/* Board specific setup/teardown */
int (*setup)(struct spi_device *spi);
int (*teardown)(struct spi_device *spi);
};
#endif