ARM: dts: add pmu sysreg node to exynos3250

This patch add pmusysreg node for Exynos3250 to access PMU
(Power Management Unit) register in a centralized way using
syscon driver.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

diff --git a/Documentation/devicetree/bindings/arm/samsung/pmu.txt b/Documentation/devicetree/bindings/arm/samsung/pmu.txt
index b562634db746bdfafb85f77e229cc0c46b3f8e42..2a4ab046a8a12d4ec2ba1fb4d66f776c8f46ef0e 100644 (file)
--- a/Documentation/devicetree/bindings/arm/samsung/pmu.txt
+++ b/Documentation/devicetree/bindings/arm/samsung/pmu.txt
@@ -2,6 +2,7 @@ SAMSUNG Exynos SoC series PMU Registers
 
 Properties:
  - compatible : should contain two values. First value must be one from following list:
+                  - "samsung,exynos3250-pmu" - for Exynos3250 SoC,
                   - "samsung,exynos4210-pmu" - for Exynos4210 SoC,
                   - "samsung,exynos4212-pmu" - for Exynos4212 SoC,
                   - "samsung,exynos4412-pmu" - for Exynos4412 SoC,

diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
index ca28eacf9c0499c66e9e6e82b3747b03d77b2d77..3e678fa335bf7dc2981bb3a7c7a19f6871f68617 100644 (file)
--- a/arch/arm/boot/dts/exynos3250.dtsi
+++ b/arch/arm/boot/dts/exynos3250.dtsi
@@ -125,6 +125,11 @@
                        reg = <0x10010000 0x400>;
                };
 
+               pmu_system_controller: system-controller@10020000 {
+                       compatible = "samsung,exynos3250-pmu", "syscon";
+                       reg = <0x10020000 0x4000>;
+               };
+
                pd_cam: cam-power-domain@10023C00 {
                        compatible = "samsung,exynos4210-pd";
                        reg = <0x10023C00 0x20>;