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ARM: dts: am437x: Provide NAND ready pin
authorRoger Quadros <rogerq@ti.com>
Thu, 7 Apr 2016 10:25:38 +0000 (13:25 +0300)
committerTony Lindgren <tony@atomide.com>
Tue, 12 Apr 2016 21:32:02 +0000 (14:32 -0700)
commit99a4101182d6107af869fb6d41cb375c717c66ad
tree5a6a3f197866acec96ba4b0ba46e9bfc6b69620ctree | snapshot (tar.gz zip)
parenta23fc15584871ad5a5b6621768a2b17b645ff22dcommit | diff
ARM: dts: am437x: Provide NAND ready pin

On these boards NAND ready pin status is avilable over
GPMC_WAIT0 pin.

For NAND we don't use GPMC wait pin monitoring but
get the NAND Ready/Busy# status using GPIOlib.
GPMC driver provides the WAIT0 pin status over GPIOlib.

Read speed increases from 16516 KiB/ to 18813 KiB/s
and write speed was unchanged at 9941 KiB/s.

Measured using mtd_speedtest.ko.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/boot/dts/am437x-gp-evm.dts diff | blob | blame | history
arch/arm/boot/dts/am43x-epos-evm.dts diff | blob | blame | history