Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / platform_data / spi-ep93xx.h

diff --git a/kernel/include/linux/platform_data/spi-ep93xx.h b/kernel/include/linux/platform_data/spi-ep93xx.h
new file mode 100644 (file)
index 0000000..9bb63ac
--- /dev/null
+++ b/kernel/include/linux/platform_data/spi-ep93xx.h
@@ -0,0 +1,29 @@
+#ifndef __ASM_MACH_EP93XX_SPI_H
+#define __ASM_MACH_EP93XX_SPI_H
+
+struct spi_device;
+
+/**
+ * struct ep93xx_spi_info - EP93xx specific SPI descriptor
+ * @num_chipselect: number of chip selects on this board, must be
+ *                  at least one
+ * @use_dma: use DMA for the transfers
+ */
+struct ep93xx_spi_info {
+       int     num_chipselect;
+       bool    use_dma;
+};
+
+/**
+ * struct ep93xx_spi_chip_ops - operation callbacks for SPI slave device
+ * @setup: setup the chip select mechanism
+ * @cleanup: cleanup the chip select mechanism
+ * @cs_control: control the device chip select
+ */
+struct ep93xx_spi_chip_ops {
+       int     (*setup)(struct spi_device *spi);
+       void    (*cleanup)(struct spi_device *spi);
+       void    (*cs_control)(struct spi_device *spi, int value);
+};
+
+#endif /* __ASM_MACH_EP93XX_SPI_H */