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-rw-r--r--dts/Bindings/arm/omap/mpu.txt16
1 files changed, 16 insertions, 0 deletions
diff --git a/dts/Bindings/arm/omap/mpu.txt b/dts/Bindings/arm/omap/mpu.txt
index 763695d..f301e63 100644
--- a/dts/Bindings/arm/omap/mpu.txt
+++ b/dts/Bindings/arm/omap/mpu.txt
@@ -13,6 +13,13 @@ Required properties:
Optional properties:
- sram: Phandle to the ocmcram node
+am335x and am437x only:
+- pm-sram: Phandles to ocmcram nodes to be used for power management.
+ 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.
+
Examples:
- For an OMAP5 SMP system:
@@ -36,3 +43,12 @@ mpu {
compatible = "ti,omap3-mpu";
ti,hwmods = "mpu";
};
+
+- For an AM335x system:
+
+mpu {
+ compatible = "ti,omap3-mpu";
+ ti,hwmods = "mpu";
+ pm-sram = <&pm_sram_code
+ &pm_sram_data>;
+};