ARM: dts: am437x-gp-evm: Do not reset gpio5
authorDave Gerlach <d-gerlach@ti.com>
Fri, 21 Mar 2014 05:20:13 +0000 (10:50 +0530)
committerTony Lindgren <tony@atomide.com>
Fri, 25 Apr 2014 16:48:19 +0000 (09:48 -0700)
Do not reset GPIO5 at boot-up because GPIO5_7 is used
on AM437x GP-EVM to control VTT regulators on DDR3.
Without this some GP-EVM boards will fail to boot because
of DDR3 corruption.

Reported-by: Nishanth Menon <nm@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/boot/dts/am437x-gp-evm.dts

index df8798e8bd255bbf789da0b44f5229b9f3dc80dd..a055f7f0f14ae5a3e080489c9c424bd37be0e1c0 100644 (file)
        status = "okay";
 };
 
+&gpio5 {
+       status = "okay";
+       ti,no-reset-on-init;
+};
+
 &mmc1 {
        status = "okay";
        vmmc-supply = <&vmmcsd_fixed>;