diff options
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.patch | 24 |
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; ++}; |