xref: /rk3399_rockchip-uboot/arch/arm/include/asm/mach-imx/spi.h (revision 39632b4a01210e329333d787d828157dcd2c7328)
1*552a848eSStefano Babic /*
2*552a848eSStefano Babic  * Copyright 2011 Freescale Semiconductor, Inc.
3*552a848eSStefano Babic  *
4*552a848eSStefano Babic  * SPDX-License-Identifier:	GPL-2.0+
5*552a848eSStefano Babic  */
6*552a848eSStefano Babic 
7*552a848eSStefano Babic #ifndef __MXC_SPI_H_
8*552a848eSStefano Babic #define __MXC_SPI_H_
9*552a848eSStefano Babic 
10*552a848eSStefano Babic /*
11*552a848eSStefano Babic  * Board-level chip-select callback
12*552a848eSStefano Babic  * Should return GPIO # to be used for chip-select
13*552a848eSStefano Babic  */
14*552a848eSStefano Babic 
15*552a848eSStefano Babic int board_spi_cs_gpio(unsigned bus, unsigned cs);
16*552a848eSStefano Babic 
17*552a848eSStefano Babic #endif
18