ARM: mvebu: add SDRAM controller description for Armada XP

The suspend/resume sequence on Armada XP needs to modify a number of
registers in the SDRAM controller. Therefore, this commit updates the
Armada XP Device Tree description to include the SDRAM controller
Device Tree node.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Link: https://lkml.kernel.org/r/1416585613-2113-17-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

1 files changed, 5 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi
index bff9f6c18db1..2be244a96edf 100644
--- a/arch/arm/boot/dts/armada-xp.dtsi
+++ b/arch/arm/boot/dts/armada-xp.dtsi
@@ -35,6 +35,11 @@
                 };
 
                 internal-regs {
+                        sdramc@1400 {
+                                compatible = "marvell,armada-xp-sdram-controller";
+                                reg = <0x1400 0x500>;
+                        };
+
                         L2: l2-cache {
                                 compatible = "marvell,aurora-system-cache";
                                 reg = <0x08000 0x1000>;