ARM: dts: add PMU syscon node for exynos4

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

Cc: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

4 files changed, 16 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/arm/samsung/pmu.txt b/Documentation/devicetree/bindings/arm/samsung/pmu.txt
index f1f155255f28..b562634db746 100644
--- a/Documentation/devicetree/bindings/arm/samsung/pmu.txt
+++ b/Documentation/devicetree/bindings/arm/samsung/pmu.txt
@@ -2,6 +2,9 @@ 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,exynos4212-pmu" - for Exynos4212 SoC,
+                   - "samsung,exynos4412-pmu" - for Exynos4412 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 eb742b0dc3a6..9536ccc784de 100644
--- a/arch/arm/boot/dts/exynos4.dtsi
+++ b/arch/arm/boot/dts/exynos4.dtsi
@@ -128,6 +128,11 @@
                 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/exynos4412.dtsi b/arch/arm/boot/dts/exynos4412.dtsi
index 15d3c0ac2f5f..c42a3e196cd5 100644
--- a/arch/arm/boot/dts/exynos4412.dtsi
+++ b/arch/arm/boot/dts/exynos4412.dtsi
@@ -29,4 +29,8 @@
         gic: interrupt-controller@10490000 {
                 cpu-offset = <0x4000>;
         };
+
+        pmu_system_controller: system-controller@10020000 {
+                compatible = "samsung,exynos4412-pmu", "syscon";
+        };
 };
diff --git a/arch/arm/boot/dts/exynos4x12.dtsi b/arch/arm/boot/dts/exynos4x12.dtsi
index 70e3765b51ee..2f1e6c1489c1 100644
--- a/arch/arm/boot/dts/exynos4x12.dtsi
+++ b/arch/arm/boot/dts/exynos4x12.dtsi
@@ -137,6 +137,10 @@
                 interrupts = <0 72 0>;
         };
 
+        pmu_system_controller: system-controller@10020000 {
+                compatible = "samsung,exynos4212-pmu", "syscon";
+        };
+
         g2d@10800000 {
                 compatible = "samsung,exynos4212-g2d";
                 reg = <0x10800000 0x1000>;