Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / atmel-mci.h

diff --git a/kernel/include/linux/atmel-mci.h b/kernel/include/linux/atmel-mci.h
new file mode 100644 (file)
index 0000000..9177947
--- /dev/null
+++ b/kernel/include/linux/atmel-mci.h
@@ -0,0 +1,43 @@
+#ifndef __LINUX_ATMEL_MCI_H
+#define __LINUX_ATMEL_MCI_H
+
+#include <linux/types.h>
+
+#define ATMCI_MAX_NR_SLOTS     2
+
+/**
+ * struct mci_slot_pdata - board-specific per-slot configuration
+ * @bus_width: Number of data lines wired up the slot
+ * @detect_pin: GPIO pin wired to the card detect switch
+ * @wp_pin: GPIO pin wired to the write protect sensor
+ * @detect_is_active_high: The state of the detect pin when it is active
+ * @non_removable: The slot is not removable, only detect once
+ *
+ * If a given slot is not present on the board, @bus_width should be
+ * set to 0. The other fields are ignored in this case.
+ *
+ * Any pins that aren't available should be set to a negative value.
+ *
+ * Note that support for multiple slots is experimental -- some cards
+ * might get upset if we don't get the clock management exactly right.
+ * But in most cases, it should work just fine.
+ */
+struct mci_slot_pdata {
+       unsigned int            bus_width;
+       int                     detect_pin;
+       int                     wp_pin;
+       bool                    detect_is_active_high;
+       bool                    non_removable;
+};
+
+/**
+ * struct mci_platform_data - board-specific MMC/SDcard configuration
+ * @dma_slave: DMA slave interface to use in data transfers.
+ * @slot: Per-slot configuration data.
+ */
+struct mci_platform_data {
+       struct mci_dma_data     *dma_slave;
+       struct mci_slot_pdata   slot[ATMCI_MAX_NR_SLOTS];
+};
+
+#endif /* __LINUX_ATMEL_MCI_H */