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authorRoger Quadros <rogerq@ti.com>2016-02-23 17:37:22 +0100
committerTony Lindgren <tony@atomide.com>2016-02-26 19:32:14 +0100
commitdb0f68529a6a7f3f42486398275926be946903b0 (patch)
treeaff7b268a9c1d0c9835c73908cf272cec0015c36 /arch/arm
parentARM: dts: am335x: Fix NAND device nodes (diff)
downloadlinux-db0f68529a6a7f3f42486398275926be946903b0.tar.xz
linux-db0f68529a6a7f3f42486398275926be946903b0.zip
ARM: dts: am335x: 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] AM335x TRM: SPRUH73L: 7.1.3.3.12.2 NAND Device-Ready Pin Cc: Teresa Remmet <t.remmet@phytec.de> Cc: Ilya Ledvich <ilya@compulab.co.il> Cc: Yegor Yefremov <yegorslists@googlemail.com> Cc: Rostislav Lisovy <lisovy@gmail.com> Cc: Enric Balletbo i Serra <eballetbo@iseebcn.com> Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/dts/am335x-baltos-ir5221.dts3
-rw-r--r--arch/arm/boot/dts/am335x-chilisom.dtsi3
-rw-r--r--arch/arm/boot/dts/am335x-cm-t335.dts3
-rw-r--r--arch/arm/boot/dts/am335x-evm.dts3
-rw-r--r--arch/arm/boot/dts/am335x-igep0033.dtsi3
-rw-r--r--arch/arm/boot/dts/am335x-phycore-som.dtsi3
6 files changed, 0 insertions, 18 deletions
diff --git a/arch/arm/boot/dts/am335x-baltos-ir5221.dts b/arch/arm/boot/dts/am335x-baltos-ir5221.dts
index 7b6bcb05db7f..6c667fb35449 100644
--- a/arch/arm/boot/dts/am335x-baltos-ir5221.dts
+++ b/arch/arm/boot/dts/am335x-baltos-ir5221.dts
@@ -261,12 +261,9 @@
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>;
diff --git a/arch/arm/boot/dts/am335x-chilisom.dtsi b/arch/arm/boot/dts/am335x-chilisom.dtsi
index e8e7d9d9e26b..40b543abd921 100644
--- a/arch/arm/boot/dts/am335x-chilisom.dtsi
+++ b/arch/arm/boot/dts/am335x-chilisom.dtsi
@@ -242,12 +242,9 @@
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>;
};
diff --git a/arch/arm/boot/dts/am335x-cm-t335.dts b/arch/arm/boot/dts/am335x-cm-t335.dts
index 571df14a33a1..7e77ce1ba839 100644
--- a/arch/arm/boot/dts/am335x-cm-t335.dts
+++ b/arch/arm/boot/dts/am335x-cm-t335.dts
@@ -326,12 +326,9 @@ status = "okay";
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>;
/* MTD partition table */
diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
index 4e7a53e6a260..28b916210271 100644
--- a/arch/arm/boot/dts/am335x-evm.dts
+++ b/arch/arm/boot/dts/am335x-evm.dts
@@ -542,12 +542,9 @@
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>;
/* MTD partition table */
diff --git a/arch/arm/boot/dts/am335x-igep0033.dtsi b/arch/arm/boot/dts/am335x-igep0033.dtsi
index 4cfe0419a535..6c3a9bf3638a 100644
--- a/arch/arm/boot/dts/am335x-igep0033.dtsi
+++ b/arch/arm/boot/dts/am335x-igep0033.dtsi
@@ -152,12 +152,9 @@
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>;
diff --git a/arch/arm/boot/dts/am335x-phycore-som.dtsi b/arch/arm/boot/dts/am335x-phycore-som.dtsi
index 80a56873a055..d4b7f3bd553f 100644
--- a/arch/arm/boot/dts/am335x-phycore-som.dtsi
+++ b/arch/arm/boot/dts/am335x-phycore-som.dtsi
@@ -189,13 +189,10 @@
gpmc,access-ns = <30>;
gpmc,rd-cycle-ns = <30>;
gpmc,wr-cycle-ns = <30>;
- gpmc,wait-on-read = "true";
- gpmc,wait-on-write = "true";
gpmc,bus-turnaround-ns = <0>;
gpmc,cycle2cycle-delay-ns = <50>;
gpmc,cycle2cycle-diffcsen;
gpmc,clk-activation-ns = <0>;
- gpmc,wait-monitoring-ns = <0>;
gpmc,wr-access-ns = <30>;
gpmc,wr-data-mux-bus-ns = <0>;