linux-stable/include/linux/platform_data/spi-s3c64xx.h
Arnd Bergmann 436d42c61c ARM: samsung: move platform_data definitions
Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.

This moves such data out of the samsung include directories

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Jeff Garzik <jgarzik@pobox.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: "Wolfram Sang (embedded platforms)" <w.sang@pengutronix.de>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Bryan Wu <bryan.wu@canonical.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>
Cc: Chris Ball <cjb@laptop.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Sangbeom Kim <sbkim73@samsung.com>
Cc: Liam Girdwood <lrg@ti.com>
Cc: linux-samsung-soc@vger.kernel.org
2012-09-19 17:42:18 +02:00

68 lines
2.2 KiB
C

/* linux/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
*
* Copyright (C) 2009 Samsung Electronics Ltd.
* Jaswinder Singh <jassi.brar@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __S3C64XX_PLAT_SPI_H
#define __S3C64XX_PLAT_SPI_H
struct platform_device;
/**
* struct s3c64xx_spi_csinfo - ChipSelect description
* @fb_delay: Slave specific feedback delay.
* Refer to FB_CLK_SEL register definition in SPI chapter.
* @line: Custom 'identity' of the CS line.
*
* This is per SPI-Slave Chipselect information.
* Allocate and initialize one in machine init code and make the
* spi_board_info.controller_data point to it.
*/
struct s3c64xx_spi_csinfo {
u8 fb_delay;
unsigned line;
};
/**
* struct s3c64xx_spi_info - SPI Controller defining structure
* @src_clk_nr: Clock source index for the CLK_CFG[SPI_CLKSEL] field.
* @num_cs: Number of CS this controller emulates.
* @cfg_gpio: Configure pins for this SPI controller.
*/
struct s3c64xx_spi_info {
int src_clk_nr;
int num_cs;
int (*cfg_gpio)(void);
};
/**
* s3c64xx_spi_set_platdata - SPI Controller configure callback by the board
* initialization code.
* @cfg_gpio: Pointer to gpio setup function.
* @src_clk_nr: Clock the SPI controller is to use to generate SPI clocks.
* @num_cs: Number of elements in the 'cs' array.
*
* Call this from machine init code for each SPI Controller that
* has some chips attached to it.
*/
extern void s3c64xx_spi0_set_platdata(int (*cfg_gpio)(void), int src_clk_nr,
int num_cs);
extern void s3c64xx_spi1_set_platdata(int (*cfg_gpio)(void), int src_clk_nr,
int num_cs);
extern void s3c64xx_spi2_set_platdata(int (*cfg_gpio)(void), int src_clk_nr,
int num_cs);
/* defined by architecture to configure gpio */
extern int s3c64xx_spi0_cfg_gpio(void);
extern int s3c64xx_spi1_cfg_gpio(void);
extern int s3c64xx_spi2_cfg_gpio(void);
extern struct s3c64xx_spi_info s3c64xx_spi0_pdata;
extern struct s3c64xx_spi_info s3c64xx_spi1_pdata;
extern struct s3c64xx_spi_info s3c64xx_spi2_pdata;
#endif /* __S3C64XX_PLAT_SPI_H */