mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-07-16 16:48:38 -04:00
Code Issues Packages Projects Releases Wiki Activity

spi: altera: separate core code from platform code

Browse Source 
In preparation of adding support for a new bus type,
separate the core spi-altera code from the platform
driver code.

Signed-off-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
Link: https://lore.kernel.org/r/20210416165720.554144-2-matthew.gerlach@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Matthew Gerlach
2021-04-16 09:57:19 -07:00
committed by Mark Brown
parent 1b8a7d4282
commit b0c3d9354d
5 changed files with 208 additions and 163 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
include/linux/spi/altera.h
View File

@@ -5,10 +5,13 @@
#ifndef __LINUX_SPI_ALTERA_H
#define __LINUX_SPI_ALTERA_H
#include <linux/interrupt.h>
#include <linux/regmap.h>
#include <linux/spi/spi.h>
#include <linux/types.h>
#define ALTERA_SPI_MAX_CS 32
/**
* struct altera_spi_platform_data - Platform data of the Altera SPI driver
* @mode_bits: Mode bits of SPI master.
@@ -26,4 +29,22 @@ struct altera_spi_platform_data {
struct spi_board_info *devices;
};
struct altera_spi {
int irq;
int len;
int count;
int bytes_per_word;
u32 imr;
/* data buffers */
const unsigned char *tx;
unsigned char *rx;
struct regmap *regmap;
u32 regoff;
struct device *dev;
};
extern irqreturn_t altera_spi_irq(int irq, void *dev);
extern void altera_spi_init_master(struct spi_master *master);
#endif /* __LINUX_SPI_ALTERA_H */