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Diffstat (limited to 'target/linux/omap/patches-3.12/204-ARM-dts-AM335x-evmsk-Do-not-reset-gpio0.patch')
-rw-r--r--target/linux/omap/patches-3.12/204-ARM-dts-AM335x-evmsk-Do-not-reset-gpio0.patch24
1 files changed, 24 insertions, 0 deletions
diff --git a/target/linux/omap/patches-3.12/204-ARM-dts-AM335x-evmsk-Do-not-reset-gpio0.patch b/target/linux/omap/patches-3.12/204-ARM-dts-AM335x-evmsk-Do-not-reset-gpio0.patch
new file mode 100644
index 0000000..fce95ab
--- /dev/null
+++ b/target/linux/omap/patches-3.12/204-ARM-dts-AM335x-evmsk-Do-not-reset-gpio0.patch
@@ -0,0 +1,24 @@
+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;
++};