linux-kernel - [PATCH v6 1/8] of: Add binding for NVIDIA Tegra ACTMON node

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Message-Id: <1426584991-11110-2-git-send-email-tomeu.vizoso@collabora.com>
Date:	Tue, 17 Mar 2015 10:36:11 +0100
From:	Tomeu Vizoso <tomeu.vizoso@...labora.com>
To:	linux-tegra@...r.kernel.org
Cc:	Mikko Perttunen <mikko.perttunen@...si.fi>,
	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Alexandre Courbot <gnurou@...il.com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v6 1/8] of: Add binding for NVIDIA Tegra ACTMON node

This block gathers statistics about various counters and can be configured to
fire interrupts when thresholds are crossed.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>
Reviewed-by: Alexandre Courbot <acourbot@...dia.com>

---

v6:	* Wrap a few lines at 80
	* Fix paths to other bindings
	* Remove operating-points property

v2:	* Add operating-points property
---
 .../devicetree/bindings/arm/tegra/actmon.txt       | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/tegra/actmon.txt

diff --git a/Documentation/devicetree/bindings/arm/tegra/actmon.txt b/Documentation/devicetree/bindings/arm/tegra/actmon.txt
new file mode 100644
index 0000000..adb60da
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/tegra/actmon.txt
@@ -0,0 +1,28 @@
+Tegra124 Activity Monitor
+
+Required properties:
+
+- compatible: should be "nvidia,tegra124-actmon"
+- reg: offset and length of the register set for the device
+- interrupts: standard interrupt property
+- clocks: Must contain a phandle and clock specifier pair for each entry in
+clock-names. See ../../clock/clock-bindings.txt for details.
+- clock-names: Must include the following entries:
+  - actmon
+  - emc
+- resets: Must contain an entry for each entry in reset-names. See
+../../reset/reset.txt for details.
+- reset-names: Must include the following entries:
+  - actmon
+
+Example:
+	actmon@...0c800 {
+		compatible = "nvidia,tegra124-actmon";
+		reg = <0x0 0x6000c800 0x0 0x400>;
+		interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA124_CLK_ACTMON>,
+			 <&tegra_car TEGRA124_CLK_EMC>;
+		clock-names = "actmon", "emc";
+		resets = <&tegra_car 119>;
+		reset-names = "actmon";
+	};
-- 
2.1.0

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