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authorDave Gerlach <d-gerlach@ti.com>2014-03-21 10:50:13 +0530
committerTony Lindgren <tony@atomide.com>2014-04-25 09:48:19 -0700
commit1ff3859e7ea134c09512498aa2251fd3a57d250d (patch)
treec57058559577d848886cef46170962121310f301 /arch/arm
parentef139e130c8a18cc6cdaa2d98899f74e14389bd4 (diff)
ARM: dts: am437x-gp-evm: Do not reset gpio5
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>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/dts/am437x-gp-evm.dts5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index df8798e8bd25..a055f7f0f14a 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -117,6 +117,11 @@
status = "okay";
};
+&gpio5 {
+ status = "okay";
+ ti,no-reset-on-init;
+};
+
&mmc1 {
status = "okay";
vmmc-supply = <&vmmcsd_fixed>;