ARM: dts: exynos: Add SCU device node to exynos4.dtsi

Exynos4 like other Cortex-A9 SoC's has a Snoop Control Unit(SCU)
and its SFR are used during SMP boot and S2R. Add SCU node to the device tree.

Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
index 5f034eb..6865ca9 100644 (file)
--- a/arch/arm/boot/dts/exynos4.dtsi
+++ b/arch/arm/boot/dts/exynos4.dtsi
@@ -78,6 +78,11 @@
                reg = <0x10000000 0x100>;
        };
 
+       scu: snoop-control-unit@10500000 {
+               compatible = "arm,cortex-a9-scu";
+               reg = <0x10500000 0x2000>;
+       };
+
        memory-controller@12570000 {
                compatible = "samsung,exynos4210-srom";
                reg = <0x12570000 0x14>;