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authorIngo Molnar <mingo@elte.hu>2008-10-28 18:54:49 +0300
committerIngo Molnar <mingo@elte.hu>2008-10-28 18:54:49 +0300
commitd1a76187a5be4f89c6cb19d800cb5fb7aac735c5 (patch)
tree2fac3ffbfffc7560eeef8364b541d0d7a0057920 /arch/avr32/include/asm/atmel-mci.h
parentc7e78cff6b7518212247fb20b1dc6411540dc9af (diff)
parent0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff)
downloadlinux-d1a76187a5be4f89c6cb19d800cb5fb7aac735c5.tar.xz
Merge commit 'v2.6.28-rc2' into core/locking
Conflicts: arch/um/include/asm/system.h
Diffstat (limited to 'arch/avr32/include/asm/atmel-mci.h')
-rw-r--r--arch/avr32/include/asm/atmel-mci.h32
1 files changed, 31 insertions, 1 deletions
diff --git a/arch/avr32/include/asm/atmel-mci.h b/arch/avr32/include/asm/atmel-mci.h
index c2ea6e1c9aa1..59f3fadd0b68 100644
--- a/arch/avr32/include/asm/atmel-mci.h
+++ b/arch/avr32/include/asm/atmel-mci.h
@@ -1,9 +1,39 @@
#ifndef __ASM_AVR32_ATMEL_MCI_H
#define __ASM_AVR32_ATMEL_MCI_H
-struct mci_platform_data {
+#define ATMEL_MCI_MAX_NR_SLOTS 2
+
+struct dma_slave;
+
+/**
+ * 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
+ *
+ * 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;
};
+/**
+ * struct mci_platform_data - board-specific MMC/SDcard configuration
+ * @dma_slave: DMA slave interface to use in data transfers, or NULL.
+ * @slot: Per-slot configuration data.
+ */
+struct mci_platform_data {
+ struct dma_slave *dma_slave;
+ struct mci_slot_pdata slot[ATMEL_MCI_MAX_NR_SLOTS];
+};
+
#endif /* __ASM_AVR32_ATMEL_MCI_H */