Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

ARM: dts: dm814x: dra62x: Disable wait pin monitoring for NAND

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] dm814x TRM: SPRUGZ8F: 11.2.4.12.2 NAND Device-Ready Pin

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

authored by

Roger Quadros and committed by
Tony Lindgren
44a3ab68 0c3e192a

-6
-3
arch/arm/boot/dts/dm8148-evm.dts
··· 65 65 gpmc,access-ns = <64>; 66 66 gpmc,rd-cycle-ns = <82>; 67 67 gpmc,wr-cycle-ns = <82>; 68 - gpmc,wait-on-read = "true"; 69 - gpmc,wait-on-write = "true"; 70 68 gpmc,bus-turnaround-ns = <0>; 71 69 gpmc,cycle2cycle-delay-ns = <0>; 72 70 gpmc,clk-activation-ns = <0>; 73 - gpmc,wait-monitoring-ns = <0>; 74 71 gpmc,wr-access-ns = <40>; 75 72 gpmc,wr-data-mux-bus-ns = <0>; 76 73 partition@0 {
-3
arch/arm/boot/dts/dra62x-j5eco-evm.dts
··· 65 65 gpmc,access-ns = <64>; 66 66 gpmc,rd-cycle-ns = <82>; 67 67 gpmc,wr-cycle-ns = <82>; 68 - gpmc,wait-on-read = "true"; 69 - gpmc,wait-on-write = "true"; 70 68 gpmc,bus-turnaround-ns = <0>; 71 69 gpmc,cycle2cycle-delay-ns = <0>; 72 70 gpmc,clk-activation-ns = <0>; 73 - gpmc,wait-monitoring-ns = <0>; 74 71 gpmc,wr-access-ns = <40>; 75 72 gpmc,wr-data-mux-bus-ns = <0>; 76 73 partition@0 {