From: Thor Thayer <[email protected]>

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

Signed-off-by: Thor Thayer <[email protected]>
To: Rob Herring <[email protected]>
To: Pawel Moll <[email protected]>
To: Mark Rutland <[email protected]>
To: Ian Campbell <[email protected]>
To: Kumar Gala <[email protected]>
To: Rob Landley <[email protected]>
To: Russell King <[email protected]>
To: Dinh Nguyen <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
---
 .../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@ffc25000 {
+               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@ffc25000 {
+                       compatible = "altr,sdr-ctl", "syscon";
+                       reg = <0xffc25000 0x1000>;
+               };
+
                rstmgr@ffd05000 {
                        compatible = "altr,rst-mgr";
                        reg = <0xffd05000 0x1000>;
-- 
1.7.9.5

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