diff options
| author | Roger Quadros <rogerq@ti.com> | 2016-02-23 18:37:20 +0200 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2016-02-26 10:32:14 -0800 |
| commit | cb9ea8b693000e86bfc08673869221228c90254e (patch) | |
| tree | 1a66debae9a3d31a192f9aa78ae40773f69a6ee8 /arch | |
| parent | be3f39c835a952e666d0054c932bab23b7fb1f3c (diff) | |
ARM: dts: am437x: 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] AM437x TRM: SPRUHL7D: 9.1.3.3.12.2 NAND Device-Ready Pin
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/boot/dts/am437x-cm-t43.dts | 5 | ||||
| -rw-r--r-- | arch/arm/boot/dts/am437x-gp-evm.dts | 2 | ||||
| -rw-r--r-- | arch/arm/boot/dts/am43x-epos-evm.dts | 2 |
3 files changed, 0 insertions, 9 deletions
diff --git a/arch/arm/boot/dts/am437x-cm-t43.dts b/arch/arm/boot/dts/am437x-cm-t43.dts index 4aa5357b3a84..9551c4713173 100644 --- a/arch/arm/boot/dts/am437x-cm-t43.dts +++ b/arch/arm/boot/dts/am437x-cm-t43.dts @@ -170,17 +170,12 @@ 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>; - gpmc,wait-pin = <0>; - #address-cells = <1>; #size-cells = <1>; /* MTD partition table */ diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts index 7081b887bbcc..b3cfedb8c11e 100644 --- a/arch/arm/boot/dts/am437x-gp-evm.dts +++ b/arch/arm/boot/dts/am437x-gp-evm.dts @@ -837,11 +837,9 @@ gpmc,access-ns = <30>; gpmc,rd-cycle-ns = <40>; gpmc,wr-cycle-ns = <40>; - gpmc,wait-pin = <0>; 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/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts index 12b08cf85517..b1f2bd68d485 100644 --- a/arch/arm/boot/dts/am43x-epos-evm.dts +++ b/arch/arm/boot/dts/am43x-epos-evm.dts @@ -586,11 +586,9 @@ gpmc,access-ns = <30>; /* tCEA + 4*/ gpmc,rd-cycle-ns = <40>; gpmc,wr-cycle-ns = <40>; - gpmc,wait-pin = <0>; 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 */ |