diff options
author | Thomas Chou <thomas@wytron.com.tw> | 2011-02-14 10:20:39 +0800 |
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committer | Grant Likely <grant.likely@secretlab.ca> | 2011-02-22 14:59:53 -0700 |
commit | ce792580ea2ce6f7259b45124e9ccc4574c31606 (patch) | |
tree | f2ec419aade609b4e425ed4995c01ba818e363af /include | |
parent | 9bde36afcaf0ec2ad9f03974da41875c759a4fe8 (diff) |
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>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/spi/spi_oc_tiny.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/spi/spi_oc_tiny.h b/include/linux/spi/spi_oc_tiny.h new file mode 100644 index 00000000000..1ac529cf4f0 --- /dev/null +++ b/include/linux/spi/spi_oc_tiny.h @@ -0,0 +1,20 @@ +#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 */ |