linux-kernel - [PATCH 1/3] dts: socfpga: Add bindings for Altera SoC SDRAM controller

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Date:	Mon, 7 Apr 2014 16:54:07 -0500
From:	<tthayer@...era.com>
To:	<robherring2@...il.com>, <dougthompson@...ssion.com>,
	<grant.likely@...aro.org>, <pawel.moll@....com>,
	<mark.rutland@....com>, <ijc+devicetree@...lion.org.uk>,
	<galak@...eaurora.org>, <rob@...dley.net>,
	<linux@....linux.org.uk>, <dinguyen@...era.com>
CC:	Thor Thayer <tthayer@...era.com>, <devicetree@...r.kernel.org>,
	<linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH 1/3] dts: socfpga: Add bindings for Altera SoC SDRAM controller

From: Thor Thayer <tthayer@...era.com>

Addition of the Altera SDRAM controller bindings and device
tree changes to the Altera SoC project.

Signed-off-by: Thor Thayer <tthayer@...era.com>
To: Rob Herring <robherring2@...il.com>
To: Pawel Moll <pawel.moll@....com>
To: Mark Rutland <mark.rutland@....com>
To: Ian Campbell <ijc+devicetree@...lion.org.uk>
To: Kumar Gala <galak@...eaurora.org>
To: Rob Landley <rob@...dley.net>
To: Russell King <linux@....linux.org.uk>
To: Dinh Nguyen <dinguyen@...era.com>
Cc: devicetree@...r.kernel.org
Cc: linux-doc@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org
---
 .../bindings/arm/altera/socfpga-sdram.txt          |   14 ++++++++++++++
 arch/arm/boot/dts/socfpga.dtsi                     |    5 +++++
 2 files changed, 19 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/altera/socfpga-sdram.txt

diff --git a/Documentation/devicetree/bindings/arm/altera/socfpga-sdram.txt b/Documentation/devicetree/bindings/arm/altera/socfpga-sdram.txt
new file mode 100644
index 0000000..525cb76
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/altera/socfpga-sdram.txt
@@ -0,0 +1,14 @@
+Altera SOCFPGA SDRAM Controller
+
+Required properties:
+- compatible : "altr,sdr-ctl", "syscon";
+                Note that syscon is invoked for this device to support the FPGA
+		bridge driver, EDAC driver and other devices that share the
+		registers.
+- reg : Should contain 1 register ranges(address and length)
+
+Example:
+	sdrctl@...25000 {
+		compatible = "altr,sdr-ctl", "syscon";
+		reg = <0xffc25000 0x1000>;
+	};
diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
index df43702..6ce912e 100644
--- a/arch/arm/boot/dts/socfpga.dtsi
+++ b/arch/arm/boot/dts/socfpga.dtsi
@@ -676,6 +676,11 @@
 			clocks = <&l4_sp_clk>;
 		};
 
+		sdrctl@...25000 {
+			compatible = "altr,sdr-ctl", "syscon";
+			reg = <0xffc25000 0x1000>;
+		};
+
 		rstmgr@...05000 {
 			compatible = "altr,rst-mgr";
 			reg = <0xffd05000 0x1000>;
-- 
1.7.9.5

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