Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / spi / spi_oc_tiny.h

diff --git a/kernel/include/linux/spi/spi_oc_tiny.h b/kernel/include/linux/spi/spi_oc_tiny.h
new file mode 100644 (file)
index 0000000..1ac529c
--- /dev/null
+++ b/kernel/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 */