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path: root/target/linux/omap/patches-3.12/204-ARM-dts-AM335x-evmsk-Do-not-reset-gpio0.patch
blob: fce95abeca9acce1f4795ac5055cc945080a6638 (plain)
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Do not reset GPIO0 at  boot-up because GPIO0 is used
on AM335x EVM-SK to control VTT regulators on DDR3.

Without this EVM-SK boards fail to boot-up because
of DDR3 corruption.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>

---
arch/arm/boot/dts/am335x-evmsk.dts |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
index 4f339fa..0e44d29 100644
--- a/arch/arm/boot/dts/am335x-evmsk.dts
+++ b/arch/arm/boot/dts/am335x-evmsk.dts
@@ -419,3 +419,7 @@
 	phy_id = <&davinci_mdio>, <1>;
 	phy-mode = "rgmii-txid";
 };
+
+&gpio0 {
+	ti,no-reset-on-init;
+};