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Commit bc4b797b authored by Lina Iyer's avatar Lina Iyer Committed by Maulik Shah
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dt-bindings: add device bindings for DDR stats node 

DDR statistics are exported by the always-on subsystem and can be read
from Linux. Add device bindings to setup the device node to read the
location and output the contents.

Change-Id: Id736933a6fd647ecad3daa2e57d97247c6d45c8f
parent fbaae361

bindings/arm/msm/ddr_stats.txt

0 → 100644
+32 −0
Original line number Diff line number Diff line 
* DDR Stats



AOP maintains DDR statistics like DDR LPMs and frequency stats. DDR stats

driver gives sysfs interface to display this.



PROPERTIES



- compatible:

	Usage: required

	Value type: <string>

	Definition: Should be "qcom,ddr-stats".



- reg:

	Usage: required

	Value type: <prop-encoded-array>

	Definition: The address on the AOP Message RAM from where the stats

		    are read should be provided as "phys_addr_base".

		    The offset from which the stats are available should be

		    provided as "offset_addr".



- reg-names:

	Usage: required

	Value type: <prop-encoded-array>

	Definition: Provides labels for the reg property.



EXAMPLE:

	qcom,ddr-stats@c300000 {

		compatible = "qcom,ddr-stats";

		reg = <0xc300000 0x1000>, <0xc3f001c 0x4>;

		reg-names = "phys_addr_base", "offset_addr";

	};