xref: /OK3568_Linux_fs/u-boot/arch/arm/include/asm/mach-imx/spi.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2011 Freescale Semiconductor, Inc.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #ifndef __MXC_SPI_H_
8*4882a593Smuzhiyun #define __MXC_SPI_H_
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun /*
11*4882a593Smuzhiyun  * Board-level chip-select callback
12*4882a593Smuzhiyun  * Should return GPIO # to be used for chip-select
13*4882a593Smuzhiyun  */
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun int board_spi_cs_gpio(unsigned bus, unsigned cs);
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #endif
18