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-rw-r--r--Documentation/devicetree/bindings/memory-controllers/ti/emif.txt17
1 files changed, 16 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt b/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt
index 152eeccbde1c..621b41c79faa 100644
--- a/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt
+++ b/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt
@@ -23,6 +23,13 @@ Required properties:
the value shall be "emif<n>" where <n> is the number of the EMIF
instance with base 1.
+Required only for "ti,emif-am3352" and "ti,emif-am4372":
+- sram : Phandles for generic sram driver nodes,
+ first should be type 'protect-exec' for the driver to use to copy
+ and run PM functions, second should be regular pool to be used for
+ data region for code. See Documentation/devicetree/bindings/sram/sram.txt
+ for more details.
+
Optional properties:
- cs1-used : Have this property if CS1 of this EMIF
instance has a memory part attached to it. If there is a memory
@@ -44,7 +51,7 @@ Optional properties:
- hw-caps-temp-alert : Have this property if the controller
has capability for generating SDRAM temperature alerts
-Example:
+-Examples:
emif1: emif@4c000000 {
compatible = "ti,emif-4d";
@@ -56,3 +63,11 @@ emif1: emif@4c000000 {
hw-caps-ll-interface;
hw-caps-temp-alert;
};
+
+/* From am33xx.dtsi */
+emif: emif@4c000000 {
+ compatible = "ti,emif-am3352";
+ reg = <0x4C000000 0x1000>;
+ sram = <&pm_sram_code
+ &pm_sram_data>;
+};
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