linux-kernel - [PATCH V2 1/4] dt-bindings: opp: Support multiple opp-suspend properties

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Message-Id: <20190709080015.43442-1-Anson.Huang@nxp.com>
Date:   Tue,  9 Jul 2019 16:00:12 +0800
From:   Anson.Huang@....com
To:     vireshk@...nel.org, nm@...com, sboyd@...nel.org,
        robh+dt@...nel.org, mark.rutland@....com, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        leonard.crestez@....com, p.zabel@...gutronix.de, ping.bai@....com,
        daniel.baluta@....com, l.stach@...gutronix.de, abel.vesa@....com,
        angus@...ea.ca, andrew.smirnov@...il.com, ccaione@...libre.com,
        agx@...xcpu.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     Linux-imx@....com
Subject: [PATCH V2 1/4] dt-bindings: opp: Support multiple opp-suspend properties

From: Anson Huang <Anson.Huang@....com>

Update opp-suspend property's description to support multiple
opp-suspend properties defined in DT, the OPP with highest opp-hz
and with opp-suspend property present will be used as suspend opp.

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
New patch.
---
 Documentation/devicetree/bindings/opp/opp.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/opp/opp.txt b/Documentation/devicetree/bindings/opp/opp.txt
index 76b6c79..6859227 100644
--- a/Documentation/devicetree/bindings/opp/opp.txt
+++ b/Documentation/devicetree/bindings/opp/opp.txt
@@ -140,8 +140,8 @@ Optional properties:
   frequency for a short duration of time limited by the device's power, current
   and thermal limits.
 
-- opp-suspend: Marks the OPP to be used during device suspend. Only one OPP in
-  the table should have this.
+- opp-suspend: Marks the OPP to be used during device suspend. If multiple OPPs
+  in the table have this, the OPP with highest opp-hz will be used.
 
 - opp-supported-hw: This enables us to select only a subset of OPPs from the
   larger OPP table, based on what version of the hardware we are running on. We
-- 
2.7.4