forked from mirrors/linux
1fccd182a4
This patch introduces platform data for slave information, it allows spi-altera to add new spi devices once master registration is done. Signed-off-by: Wu Hao <hao.wu@intel.com> Signed-off-by: Xu Yilun <yilun.xu@intel.com> Signed-off-by: Matthew Gerlach <matthew.gerlach@linux.intel.com> Signed-off-by: Russ Weight <russell.h.weight@intel.com> Reviewed-by: Tom Rix <trix@redhat.com> Link: https://lore.kernel.org/r/1591845911-10197-4-git-send-email-yilun.xu@intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
29 lines
783 B
C
29 lines
783 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Header File for Altera SPI Driver.
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*/
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#ifndef __LINUX_SPI_ALTERA_H
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#define __LINUX_SPI_ALTERA_H
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#include <linux/regmap.h>
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#include <linux/spi/spi.h>
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#include <linux/types.h>
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/**
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* struct altera_spi_platform_data - Platform data of the Altera SPI driver
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* @mode_bits: Mode bits of SPI master.
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* @num_chipselect: Number of chipselects.
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* @bits_per_word_mask: bitmask of supported bits_per_word for transfers.
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* @num_devices: Number of devices that shall be added when the driver
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* is probed.
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* @devices: The devices to add.
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*/
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struct altera_spi_platform_data {
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u16 mode_bits;
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u16 num_chipselect;
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u32 bits_per_word_mask;
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u16 num_devices;
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struct spi_board_info *devices;
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};
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#endif /* __LINUX_SPI_ALTERA_H */
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