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authorRomain Izard <romain.izard.pro@gmail.com>2016-02-10 10:56:23 +0100
committerBrian Norris <computersforpeace@gmail.com>2016-02-12 10:27:46 -0800
commit5ddc7bd43ccc77173f149483fa27a0b8f85e09e5 (patch)
tree5a15caea44b69fa85a4b752480dd53621ed23910 /drivers/mtd/nand/atmel_nand_nfc.h
parented4eeba7338bb123090f1c8b208f64d8184a896d (diff)
downloadlinux-5ddc7bd43ccc77173f149483fa27a0b8f85e09e5.tar.gz
mtd: atmel_nand: Support variable RB_EDGE interrupts
The NFC controller used to accelerate the NAND transfers on SAMA5 chips can use either RB_EDGE0 or RB_EDGE3 as its ready/busy interrupt bit. Use the controller's compatible string to select the correct bit. For the binding: Acked-by: Rob Herring <robh@kernel.org> Reviewed-by: Wenyou Yang <Wenyou.yang@atmel.com> Tested-by: Wenyou Yang <wenyou.yang@atmel.com> Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Romain Izard <romain.izard.pro@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'drivers/mtd/nand/atmel_nand_nfc.h')
-rw-r--r--drivers/mtd/nand/atmel_nand_nfc.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/mtd/nand/atmel_nand_nfc.h b/drivers/mtd/nand/atmel_nand_nfc.h
index 4d5d26221a7e..0bbc1fa97dba 100644
--- a/drivers/mtd/nand/atmel_nand_nfc.h
+++ b/drivers/mtd/nand/atmel_nand_nfc.h
@@ -42,7 +42,8 @@
#define NFC_SR_UNDEF (1 << 21)
#define NFC_SR_AWB (1 << 22)
#define NFC_SR_ASE (1 << 23)
-#define NFC_SR_RB_EDGE (1 << 24)
+#define NFC_SR_RB_EDGE0 (1 << 24)
+#define NFC_SR_RB_EDGE3 (1 << 27)
#define ATMEL_HSMC_NFC_IER 0x0c
#define ATMEL_HSMC_NFC_IDR 0x10