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dt-bindings: msm: rpmh-master-stats: Update reg as optional property

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This change updates reg as optional property so that same driver
can be used for RPM based targets where profiling unit register
is not present.

This enables rpmh_master_stats driver to read different subsystem
master stats data from SMEM for RPM based targets.

Change-Id: Ib5ccfd5d688fe0f8d69dbdb9c9408ce8970eb576
This commit is contained in:
Tushar Nimkar 2021-02-23 11:32:38 +05:30
commit 00460e3358
1 changed files with 5 additions and 1 deletions
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6
bindings/arm/msm/rpmh-master-stats.txt
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@ -11,6 +11,10 @@ Additionally, RPMH master stats also maintains application processor's
master stats. It uses profiling units to calculate power down and power
up stats.
Same driver can be used for RPM based targets where Different Subsystems master
stats data can be read from SMEM. Such targets do not have profiling unit
register.
The required properties for rpmh-master-stats are:
- compatible:
@ -19,7 +23,7 @@ The required properties for rpmh-master-stats are:
Definition: Should be "qcom,rpmh-master-stats-v1".
- reg:
Usage: required
Usage: optional
Value type: <prop-encoded-array>
Definition: Specifies physical address of start of profiling unit.