diff options
Diffstat (limited to 'drivers/spi/spi_stmp.h')
| -rw-r--r-- | drivers/spi/spi_stmp.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/spi/spi_stmp.h b/drivers/spi/spi_stmp.h new file mode 100644 index 000000000000..764edd6f9c9f --- /dev/null +++ b/drivers/spi/spi_stmp.h @@ -0,0 +1,51 @@ +/* + * Freescale STMP378X SPI master driver + * + * Author: dmitry pervushin <dimka@embeddedalley.com> + * + * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#ifndef __SPI_STMP_H +#define __SPI_STMP_H + +#include <mach/dma.h> + +/* These two come from arch/arm/mach-xxxxx/spi.c */ +int stmp37xx_spi_pins_request(char *id, int ssp); +void stmp37xx_spi_pins_release(char *id, int ssp); + +struct stmp_spi { + int id; + + void __iomem *regs; /* vaddr of the control registers */ + + u32 irq; + u32 dma; + struct stmp3xxx_dma_descriptor d; + + u32 speed_khz; + u32 saved_timings; + u32 divider; + + struct clk *clk; + struct device *master_dev; + + struct work_struct work; + struct workqueue_struct *workqueue; + spinlock_t lock; + struct list_head queue; + + struct completion done; +}; + +#endif /* __SPI_STMP_H */ |