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Commit 2bfdc1ba authored by Rishabh Bhatnagar's avatar Rishabh Bhatnagar
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dt-bindings: Add bindings for pon and poff dependency 

A subsystem might depend on other subsystem's state to be powered-on
or powered-off. Hence, add documentation for 'pon-depends-on' and
'poff-depends-on' device-tree properties.

Change-Id: I87ad0be45e8f18d114feb1358d4fa4b856fc5a72
parent 4a307edc

bindings/pil/subsys-pil-tz.txt

+14 −0
Original line number Diff line number Diff line
@@ -77,6 +77,17 @@ Optional properties: 
			of contents to access the table of contents for

			additional minidump entries that should be collected

			along with the subsystem's minidump.

- qcom,pon-depends-on: String that indicates the name of the subsystem that has

			to be powered-on before this subsystem is powered-on.

			If the dependednt subsystem is already powered-on,

			regardless of the fact that it's requested to power-on

			explicitly, the framework won't try to power it back up again.



- qcom,poff-depends-on: String that indicates the name of the subsystem that has

			to be powered-off before this subsystem is powered-off.

			If the dependednt subsystem is already powered-off,

			regardless of the fact that it's requested to power-off

			explicitly, the framework won't try to power it off again.



Example:

	qcom,venus@fdce0000 {
@@ -142,4 +153,7 @@ Example: 
		qcom,gpio-force-stop = <&smp2pgpio_ssr_smp2p_2_out 0 0>;

		qcom,ssctl-instance-id = <14>;

		qcom,sysmon-id = <1>;



		/* Power-off venus before LPASS */

		qcom,poff-depends-on = "venus";

	};