linux-kernel - [PATCH v2 09/14] dt-bindings: opp: Add qcom-opp bindings with properties needed for CPR

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Message-Id: <20190725104144.22924-10-niklas.cassel@linaro.org>
Date:   Thu, 25 Jul 2019 12:41:37 +0200
From:   Niklas Cassel <niklas.cassel@...aro.org>
To:     Andy Gross <agross@...nel.org>, Viresh Kumar <vireshk@...nel.org>,
        Nishanth Menon <nm@...com>, Stephen Boyd <sboyd@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, jorge.ramirez-ortiz@...aro.org,
        bjorn.andersson@...aro.org, ulf.hansson@...aro.org,
        Niklas Cassel <niklas.cassel@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 09/14] dt-bindings: opp: Add qcom-opp bindings with properties needed for CPR

Add qcom-opp bindings with properties needed for Core Power Reduction
(CPR).

CPR is included in a great variety of Qualcomm SoCs, e.g. msm8916 and
msm8996. CPR was first introduced in msm8974.

Co-developed-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
Signed-off-by: Niklas Cassel <niklas.cassel@...aro.org>
---
 .../devicetree/bindings/opp/qcom-opp.txt      | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/opp/qcom-opp.txt

diff --git a/Documentation/devicetree/bindings/opp/qcom-opp.txt b/Documentation/devicetree/bindings/opp/qcom-opp.txt
new file mode 100644
index 000000000000..f204685d029c
--- /dev/null
+++ b/Documentation/devicetree/bindings/opp/qcom-opp.txt
@@ -0,0 +1,19 @@
+Qualcomm OPP bindings to describe OPP nodes
+
+The bindings are based on top of the operating-points-v2 bindings
+described in Documentation/devicetree/bindings/opp/opp.txt
+Additional properties are described below.
+
+* OPP Table Node
+
+Required properties:
+- compatible: Allow OPPs to express their compatibility. It should be:
+  "operating-points-v2-qcom-level"
+
+* OPP Node
+
+Optional properties:
+- qcom,opp-fuse-level: A positive value representing the fuse corner/level
+  associated with this OPP node. Sometimes several corners/levels shares
+  a certain fuse corner/level. A fuse corner/level contains e.g. ref uV,
+  min uV, and max uV.
-- 
2.21.0