u-boot/arch/arm/include/asm/mach-imx/spi.h

/*
 * Copyright 2011 Freescale Semiconductor, Inc.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __MXC_SPI_H_
#define __MXC_SPI_H_

/*
 * Board-level chip-select callback
 * Should return GPIO # to be used for chip-select
 */

int board_spi_cs_gpio(unsigned bus, unsigned cs);

#endif