linux-kernel - [PATCH] ARM: dts: Add pmu sysreg node to Exynos3250

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Date:	Mon, 26 May 2014 15:29:36 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	kgene.kim@...sung.com
Cc:	t.figa@...sung.com, robh+dt@...nel.org, pawel.moll@....com,
	mark.rutland@....com, ijc+devicetree@...lion.org.uk,
	galak@...eaurora.org, rdunlap@...radead.org, ben-linux@...ff.org,
	linux@....linux.org.uk, l.krishna@...sung.com,
	chanho61.park@...sung.com, kyungmin.park@...sung.com,
	cw00.choi@...sung.com, devicetree@...r.kernel.org,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org
Subject: [PATCH] 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@...sung.com>
Acked-by: Kyungmin Park <kyungmin.park@...sung.com>
---
 Documentation/devicetree/bindings/arm/samsung/pmu.txt | 1 +
 arch/arm/boot/dts/exynos3250.dtsi                     | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/samsung/pmu.txt b/Documentation/devicetree/bindings/arm/samsung/pmu.txt
index b562634..2a4ab04 100644
--- 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 ca28eac..3e678fa 100644
--- 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@...20000 {
+			compatible = "samsung,exynos3250-pmu", "syscon";
+			reg = <0x10020000 0x4000>;
+		};
+
 		pd_cam: cam-power-domain@...23C00 {
 			compatible = "samsung,exynos4210-pd";
 			reg = <0x10023C00 0x20>;
-- 
1.8.0

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