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From:   Niklas Cassel <niklas.cassel@linaro.org>
To:     Andy Gross <agross@kernel.org>, Viresh Kumar <vireshk@kernel.org>,
        Nishanth Menon <nm@ti.com>, Stephen Boyd <sboyd@kernel.org>
Cc:     linux-arm-msm@vger.kernel.org, jorge.ramirez-ortiz@linaro.org,
        bjorn.andersson@linaro.org, ulf.hansson@linaro.org,
        Niklas Cassel <niklas.cassel@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>, linux-pm@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v3 09/14] dt-bindings: opp: Add qcom-opp bindings with properties needed for CPR
Date:   Mon, 19 Aug 2019 12:12:38 +0200
Message-Id: <20190819101238.17335-1-niklas.cassel@linaro.org>
In-Reply-To: <20190725104144.22924-10-niklas.cassel@linaro.org>
References: <20190725104144.22924-10-niklas.cassel@linaro.org>
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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@linaro.org>
Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
---
Changes since V2:
qcom,opp-fuse-level is really a required property and not an optional
property, so properly define it as such.

 .../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..32eb0793c7e6
--- /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
+
+Required 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