This patch adds a PMU(Power Management Unit) syscon node. This
should be required for USB Phy syscon regmap I/F.

Cc: Kamil Debski <[email protected]>
Signed-off-by: Chanho Park <[email protected]>
Reviewed-by: Tomasz Figa <[email protected]>
---
 Documentation/devicetree/bindings/arm/samsung/pmu.txt | 2 ++
 arch/arm/boot/dts/exynos4.dtsi                        | 5 +++++
 arch/arm/boot/dts/exynos4x12.dtsi                     | 4 ++++
 3 files changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/samsung/pmu.txt 
b/Documentation/devicetree/bindings/arm/samsung/pmu.txt
index f1f1552..e2797d1 100644
--- a/Documentation/devicetree/bindings/arm/samsung/pmu.txt
+++ b/Documentation/devicetree/bindings/arm/samsung/pmu.txt
@@ -2,6 +2,8 @@ SAMSUNG Exynos SoC series PMU Registers
 
 Properties:
  - compatible : should contain two values. First value must be one from 
following list:
+                  - "samsung,exynos4210-pmu" - for Exynos4210 SoC,
+                  - "samsung,exynos4x12-pmu" - for Exynos4212/4412 SoC,
                   - "samsung,exynos5250-pmu" - for Exynos5250 SoC,
                   - "samsung,exynos5420-pmu" - for Exynos5420 SoC.
                second value must be always "syscon".
diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
index 2f8bcd0..264066f 100644
--- a/arch/arm/boot/dts/exynos4.dtsi
+++ b/arch/arm/boot/dts/exynos4.dtsi
@@ -110,6 +110,11 @@
                reg = <0x10010000 0x400>;
        };
 
+       pmu_system_controller: system-controller@10020000 {
+               compatible = "samsung,exynos4210-pmu", "syscon";
+               reg = <0x10020000 0x4000>;
+       };
+
        dsi_0: dsi@11C80000 {
                compatible = "samsung,exynos4210-mipi-dsi";
                reg = <0x11C80000 0x10000>;
diff --git a/arch/arm/boot/dts/exynos4x12.dtsi 
b/arch/arm/boot/dts/exynos4x12.dtsi
index c4a9306..7f767f7 100644
--- a/arch/arm/boot/dts/exynos4x12.dtsi
+++ b/arch/arm/boot/dts/exynos4x12.dtsi
@@ -119,6 +119,10 @@
                interrupts = <0 72 0>;
        };
 
+       pmu_system_controller: system-controller@10020000 {
+               compatible = "samsung,exynos4x12-pmu", "syscon";
+       };
+
        g2d@10800000 {
                compatible = "samsung,exynos4212-g2d";
                reg = <0x10800000 0x1000>;
-- 
1.8.3.2

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