Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 57af2114 authored by Lina Iyer's avatar Lina Iyer
Browse files

dt-bindings: add system PM violators bindings 

The system PM violators is a device that reads the AOP MSGRAM and
reports subsystems that are preventing system low power modes during a
given duration.

Change-Id: I1c86fd06946bf25c17c854f91369e805c26f10e0
parent 71f765ed

bindings/arm/msm/sys-pm-violators.txt

0 → 100644
+35 −0
Original line number Diff line number Diff line 
SYSTEM PM VIOLATORS



System PM Violoators is a virtual device sends a QMP message to AOP to start

recording subsystems that are preventing system low power modes - AOSS sleep,

CX PC, DDR low power from happening during a test duration. The stats are

saved in MSGRAM and are read and displayed from Linux in debugfs.



PROPERTIES



- compatible:

	Usage: required

	Value type: <string>

	Definition: must have "qcom,sys-pm-violators". Additionally, the SoC

		    specific compatible must be specified.



- reg:

	Usage: required

	Value type: <prop-encoded-array>

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

		    are read.



- mbox:

	Usage: required

	Value type: <phandle>

	Definition: handle to the QMP mailbox.

		    The second argument, channel is always '0'.



EXAMPLE



	sys-pm-vx@c320000 {

		compatible = "qcom,sys-pm-violators", "qcom,sys-pm-lahaina";

		reg = <0xc320000 0x0400>;

		mboxes = <&qmp_aop 0>;

		mbox-names = "aop";

	};