linux-kernel - [PATCH 10/11] dt-bindings: misc: add bindings for throttler

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Message-Id: <20180525203043.249193-11-mka@chromium.org>
Date:   Fri, 25 May 2018 13:30:42 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     MyungJoo Ham <myungjoo.ham@...sung.com>
Cc:     Kyungmin Park <kyungmin.park@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.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,
        Brian Norris <briannorris@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>
Subject: [PATCH 10/11] dt-bindings: misc: add bindings for throttler

Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
---
 .../devicetree/bindings/misc/throttler.txt    | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/misc/throttler.txt

diff --git a/Documentation/devicetree/bindings/misc/throttler.txt b/Documentation/devicetree/bindings/misc/throttler.txt
new file mode 100644
index 000000000000..92f13e94451a
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/throttler.txt
@@ -0,0 +1,41 @@
+Throttler driver
+
+The Throttler is used for non-thermal throttling of system components like
+CPUs or devfreq devices.
+
+
+Optional properties:
+--------------------
+- cpufreq:			A sub-node which is container of only cpufreq
+  Type: sub-mode		nodes, used to describe the throttling settings
+				for a CPU (or CPU group sharing the same policy).
+
+- devfreq:			A sub-node which is container of only devfreq
+  Type: sub-mode		nodes, used to describe the throttling settings
+				for a devfreq device.
+
+cpufreq node:
+=============
+
+Required properties:
+--------------------
+- cpu:				The id of the CPU to be throttled.
+  Type: unsigned
+  Size: one cell
+
+- throttling-frequencies:	Frequencies used for throttling, corresponding
+  Type: unsigned		to throttling level 1, 2, ...
+  Size: array
+
+
+devfreq node:
+=============
+
+Required properties:
+--------------------
+- devfreq:			A phandle of the devfreq device to be throttled.
+  Type: phandle
+
+- throttling-frequencies:	Frequencies used for throttling, corresponding
+  Type: unsigned		to throttling level 1, 2, ...
+  Size: array
-- 
2.17.0.921.gf22659ad46-goog