kernel-ark/include/linux/spi/spi_oc_tiny.h
Thomas Chou ce792580ea spi: add OpenCores tiny SPI driver
This patch adds support of OpenCores tiny SPI driver.

http://opencores.org/project,tiny_spi

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-02-22 14:59:53 -07:00

21 lines
589 B
C

#ifndef _LINUX_SPI_SPI_OC_TINY_H
#define _LINUX_SPI_SPI_OC_TINY_H
/**
* struct tiny_spi_platform_data - platform data of the OpenCores tiny SPI
* @freq: input clock freq to the core.
* @baudwidth: baud rate divider width of the core.
* @gpio_cs_count: number of gpio pins used for chipselect.
* @gpio_cs: array of gpio pins used for chipselect.
*
* freq and baudwidth are used only if the divider is programmable.
*/
struct tiny_spi_platform_data {
unsigned int freq;
unsigned int baudwidth;
unsigned int gpio_cs_count;
int *gpio_cs;
};
#endif /* _LINUX_SPI_SPI_OC_TINY_H */