Thread (13 messages) 13 messages, 2 authors, 2016-02-29
STALE3758d

[PATCH v7 8/9] ARM: dts: dm8168-evm: ARM: dts: Disable wait pin monitoring for NAND

From: Roger Quadros <hidden>
Date: 2016-02-23 16:38:04
Also in: linux-devicetree, lkml
Subsystem: the rest · Maintainer: Linus Torvalds

The NAND Ready/Busy# line is connected to GPMC_WAIT0 pin and
can't be used for wait state insertion for NAND I/O read/write.
So disable read/write wait monitoring as per Reference Manual's
suggestion [1].

[1] dm816x TRM: SPRUGX8C: 9.2.4.12.2 NAND Device-Ready Pin

Signed-off-by: Roger Quadros <redacted>
---
 arch/arm/boot/dts/dm8168-evm.dts | 3 ---
 1 file changed, 3 deletions(-)
diff --git a/arch/arm/boot/dts/dm8168-evm.dts b/arch/arm/boot/dts/dm8168-evm.dts
index 0cb1003..f50348b 100644
--- a/arch/arm/boot/dts/dm8168-evm.dts
+++ b/arch/arm/boot/dts/dm8168-evm.dts
@@ -111,12 +111,9 @@
 		gpmc,access-ns = <64>;
 		gpmc,rd-cycle-ns = <82>;
 		gpmc,wr-cycle-ns = <82>;
-		gpmc,wait-on-read = "true";
-		gpmc,wait-on-write = "true";
 		gpmc,bus-turnaround-ns = <0>;
 		gpmc,cycle2cycle-delay-ns = <0>;
 		gpmc,clk-activation-ns = <0>;
-		gpmc,wait-monitoring-ns = <0>;
 		gpmc,wr-access-ns = <40>;
 		gpmc,wr-data-mux-bus-ns = <0>;
 		partition@0 {
-- 
2.5.0
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