ARM: at91: declare the at91rm9200 memory controller as a syscon

The at91rm9200 memory controller is not simply an SDRAM controller. It also
controls the EBI (External Bus Interface), the SMC (Static Memory Controller)and
the Burst Flash Controller.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>

diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.txt b/Documentation/devicetree/bindings/arm/atmel-at91.txt
index 2e99b5b..424ac8c 100644 (file)
--- a/Documentation/devicetree/bindings/arm/atmel-at91.txt
+++ b/Documentation/devicetree/bindings/arm/atmel-at91.txt
@@ -98,7 +98,7 @@ Example:
        };
 
 RAMC SDRAM/DDR Controller required properties:
-- compatible: Should be "atmel,at91rm9200-sdramc",
+- compatible: Should be "atmel,at91rm9200-sdramc", "syscon"
                        "atmel,at91sam9260-sdramc",
                        "atmel,at91sam9g45-ddramc",
                        "atmel,sama5d3-ddramc",

diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi
index 4fb333b..6d0fa9b 100644 (file)
--- a/arch/arm/boot/dts/at91rm9200.dtsi
+++ b/arch/arm/boot/dts/at91rm9200.dtsi
@@ -92,7 +92,7 @@
                        };
 
                        ramc0: ramc@ffffff00 {
-                               compatible = "atmel,at91rm9200-sdramc";
+                               compatible = "atmel,at91rm9200-sdramc", "syscon";
                                reg = <0xffffff00 0x100>;
                        };