1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * board-specific data for the libertas_spi driver. 4 * 5 * Copyright 2008 Analog Devices Inc. 6 */ 7 #ifndef _LIBERTAS_SPI_H_ 8 #define _LIBERTAS_SPI_H_ 9 10 struct spi_device; 11 12 struct libertas_spi_platform_data { 13 /* There are two ways to read data from the WLAN module's SPI 14 * interface. Setting 0 or 1 here controls which one is used. 15 * 16 * Usually you want to set use_dummy_writes = 1. 17 * However, if that doesn't work or if you are using a slow SPI clock 18 * speed, you may want to use 0 here. */ 19 u16 use_dummy_writes; 20 21 /* Board specific setup/teardown */ 22 int (*setup)(struct spi_device *spi); 23 int (*teardown)(struct spi_device *spi); 24 }; 25 #endif 26