From ce792580ea2ce6f7259b45124e9ccc4574c31606 Mon Sep 17 00:00:00 2001 From: Thomas Chou Date: Mon, 14 Feb 2011 10:20:39 +0800 Subject: 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 Signed-off-by: Grant Likely --- include/linux/spi/spi_oc_tiny.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 include/linux/spi/spi_oc_tiny.h (limited to 'include') diff --git a/include/linux/spi/spi_oc_tiny.h b/include/linux/spi/spi_oc_tiny.h new file mode 100644 index 000000000000..1ac529cf4f06 --- /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 */ -- cgit v1.2.3