[PATCHv7 1/3] devicetree: Addition of the Altera SDRAM Controller.

[tthayer]

From: Thor Thayer <tthayer@xxxxxxxxxx>

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

Signed-off-by: Thor Thayer <tthayer@xxxxxxxxxx>
---
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.
---
 .../bindings/arm/altera/socfpga-sdram.txt          |   11 +++++++++++
 arch/arm/boot/dts/socfpga.dtsi                     |    5 +++++
 2 files changed, 16 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..5027026
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/altera/socfpga-sdram.txt
@@ -0,0 +1,11 @@
+Altera SOCFPGA SDRAM Controller
+
+Required properties:
+- compatible : "altr,sdr-ctl";
+- reg : Should contain 1 register ranges(address and length)
+
+Example:
+	sdrctl@ffc25000 {
+		compatible = "altr,sdr-ctl";
+		reg = <0xffc25000 0x4>;
+	};
diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
index 4676f25..310292e 100644
--- a/arch/arm/boot/dts/socfpga.dtsi
+++ b/arch/arm/boot/dts/socfpga.dtsi
@@ -682,6 +682,11 @@
 			clocks = <&l4_sp_clk>;
 		};
 
+		sdrctl@ffc25000 {
+			compatible = "altr,sdr-ctl", "syscon";
+			reg = <0xffc25000 0x4>;
+		};
+
 		rst: rstmgr@ffd05000 {
 			compatible = "altr,rst-mgr";
 			reg = <0xffd05000 0x1000>;
-- 
1.7.9.5

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