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authorLinus Walleij <linus.walleij@linaro.org>2015-05-14 18:02:05 +0200
committerLinus Walleij <linus.walleij@linaro.org>2015-05-18 16:00:11 +0200
commit724814b4fada4a353728c3caa8ad2809c64893b6 (patch)
tree6978a1c30fe83c5023268223c26d7d5792436811 /arch/arm/boot/dts/ste-dbx5x0.dtsi
parenta3355a236d7d6363bb10813d5e84d23a3b409dad (diff)
downloadlinux-724814b4fada4a353728c3caa8ad2809c64893b6.tar.gz
ARM: ux500: define the backupram in the device tree
The Ux500 SOCs have a special backup RAM that needs to be
defined in the device tree.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'arch/arm/boot/dts/ste-dbx5x0.dtsi')
-rw-r--r--arch/arm/boot/dts/ste-dbx5x0.dtsi9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/ste-dbx5x0.dtsi b/arch/arm/boot/dts/ste-dbx5x0.dtsi
index f024a1c0de8b..853684ad7773 100644
--- a/arch/arm/boot/dts/ste-dbx5x0.dtsi
+++ b/arch/arm/boot/dts/ste-dbx5x0.dtsi
@@ -190,6 +190,15 @@
 			reg = <0xa0410000 0x100>;
 		};
 
+		/*
+		 * The backup RAM is used for retention during sleep
+		 * and various things like spin tables
+		 */
+		backupram@80150000 {
+			compatible = "ste,dbx500-backupram";
+			reg = <0x80150000 0x2000>;
+		};
+
 		L2: l2-cache {
 			compatible = "arm,pl310-cache";
 			reg = <0xa0412000 0x1000>;