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Date:	Mon, 11 Aug 2014 10:18:13 -0500
From:	<tthayer@...nsource.altera.com>
To:	<robherring2@...il.com>, <pawel.moll@....com>,
	<mark.rutland@....com>, <ijc+devicetree@...lion.org.uk>,
	<galak@...eaurora.org>, <rob@...dley.net>,
	<linux@....linux.org.uk>, <atull@...nsource.altera.com>,
	<delicious.quinoa@...il.com>, <dinguyen@...nsource.altera.com>,
	<dougthompson@...ssion.com>, <grant.likely@...aro.org>,
	<bp@...en8.de>, <sameo@...ux.intel.com>, <lee.jones@...aro.org>
CC:	<devicetree@...r.kernel.org>, <linux-doc@...r.kernel.org>,
	<linux-edac@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <tthayer.linux@...il.com>,
	<tthayer@...nsource.altera.com>
Subject: [PATCHv10 2/2] arm: dts: Add Altera SDRAM EDAC bindings & devicetree entries.

From: Thor Thayer <tthayer@...nsource.altera.com>

Add the Altera SDRAM EDAC bindings and device tree changes to the Altera SoC project.

Signed-off-by: Thor Thayer <tthayer@...nsource.altera.com>
---
v2: Changes to SoC SDRAM EDAC code.

v3: Implement code suggestions for SDRAM EDAC code.

v4: Remove syscon from SDRAM controller bindings.

v5: No Change, bump version for consistency.

v6: Only map the ctrlcfg register as syscon.

v7: No change. Bump for consistency.

v8: No change. Bump for consistency.

v9: Changes to support a MFD SDRAM controller with nested EDAC.

v10: Revert to using syscon based on feedback.
---
 .../bindings/arm/altera/socfpga-sdram-edac.txt     |   15 +++++++++++++++
 arch/arm/boot/dts/socfpga.dtsi                     |   11 +++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/altera/socfpga-sdram-edac.txt

diff --git a/Documentation/devicetree/bindings/arm/altera/socfpga-sdram-edac.txt b/Documentation/devicetree/bindings/arm/altera/socfpga-sdram-edac.txt
new file mode 100644
index 0000000..d0ce01d
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/altera/socfpga-sdram-edac.txt
@@ -0,0 +1,15 @@
+Altera SOCFPGA SDRAM Error Detection & Correction [EDAC]
+The EDAC accesses a range of registers in the SDRAM controller.
+
+Required properties:
+- compatible : should contain "altr,sdram-edac";
+- altr,sdr-syscon : phandle of the sdr module
+- interrupts : Should contain the SDRAM ECC IRQ in the
+	appropriate format for the IRQ controller.
+
+Example:
+	sdramedac {
+		compatible = "altr,sdram-edac";
+		altr,sdr-syscon = <&sdr>;
+		interrupts = <0 39 4>;
+	};
diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
index 4676f25..45b361e 100644
--- a/arch/arm/boot/dts/socfpga.dtsi
+++ b/arch/arm/boot/dts/socfpga.dtsi
@@ -603,6 +603,17 @@
 			};
 		};
 
+		sdr: sdr@...25000 {
+			compatible = "syscon";
+			reg = <0xffc25000 0x1000>;
+		};
+
+		sdramedac {
+			compatible = "altr,sdram-edac";
+			altr,sdr-syscon = <&sdr>;
+			interrupts = <0 39 4>;
+		};
+
 		L2: l2-cache@...ef000 {
 			compatible = "arm,pl310-cache";
 			reg = <0xfffef000 0x1000>;
-- 
1.7.9.5

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