This adds a U300 board configuration for the PL022 SSP/SPI PrimeCell driver recently merged to the 2.6.31-rc series. Further it adds a dummy loopback SPI chip that can be used for testing the SPI functionality on a running system using the loopback mode of PL022. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
		
			
				
	
	
		
			26 lines
		
	
	
	
		
			594 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			26 lines
		
	
	
	
		
			594 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * arch/arm/mach-u300/spi.h
 | 
						|
 *
 | 
						|
 * Copyright (C) 2009 ST-Ericsson AB
 | 
						|
 * License terms: GNU General Public License (GPL) version 2
 | 
						|
 *
 | 
						|
 * Author: Linus Walleij <linus.walleij@stericsson.com>
 | 
						|
 */
 | 
						|
#ifndef SPI_H
 | 
						|
#define SPI_H
 | 
						|
#include <linux/amba/bus.h>
 | 
						|
 | 
						|
#ifdef CONFIG_SPI_PL022
 | 
						|
void __init u300_spi_init(struct amba_device *adev);
 | 
						|
void __init u300_spi_register_board_devices(void);
 | 
						|
#else
 | 
						|
/* Compile out SPI support if PL022 is not selected */
 | 
						|
static inline void __init u300_spi_init(struct amba_device *adev)
 | 
						|
{
 | 
						|
}
 | 
						|
static inline void __init u300_spi_register_board_devices(void)
 | 
						|
{
 | 
						|
}
 | 
						|
#endif
 | 
						|
 | 
						|
#endif
 |