linux-kernel - [PATCH 3/5] dt-bindings: document the MPS2 timer bindings

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Message-Id: <1461849648-12751-3-git-send-email-daniel.lezcano@linaro.org>
Date:	Thu, 28 Apr 2016 15:20:46 +0200
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	tglx@...utronix.de, mingo@...nel.org
Cc:	Vladimir Murzin <vladimir.murzin@....com>,
	Rob Herring <robh@...nel.org>,
	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>,
	devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND...),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 3/5] dt-bindings: document the MPS2 timer bindings

From: Vladimir Murzin <vladimir.murzin@....com>

This adds documentation of device tree bindings for the
timers found on ARM MPS2 platform.

Acked-by: Rob Herring <robh@...nel.org>
Signed-off-by: Vladimir Murzin <vladimir.murzin@....com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
---
 .../devicetree/bindings/timer/arm,mps2-timer.txt   | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/timer/arm,mps2-timer.txt

diff --git a/Documentation/devicetree/bindings/timer/arm,mps2-timer.txt b/Documentation/devicetree/bindings/timer/arm,mps2-timer.txt
new file mode 100644
index 0000000..48f84d7
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/arm,mps2-timer.txt
@@ -0,0 +1,28 @@
+ARM MPS2 timer
+
+The MPS2 platform has simple general-purpose 32 bits timers.
+
+Required properties:
+- compatible	: Should be "arm,mps2-timer"
+- reg		: Address and length of the register set
+- interrupts	: Reference to the timer interrupt
+
+Required clocking property, have to be one of:
+- clocks	  : The input clock of the timer
+- clock-frequency : The rate in HZ in input of the ARM MPS2 timer
+
+Examples:
+
+timer1: mps2-timer@...00000 {
+	compatible = "arm,mps2-timer";
+	reg = <0x40000000 0x1000>;
+	interrupts = <8>;
+	clocks = <&sysclk>;
+};
+
+timer2: mps2-timer@...01000 {
+	compatible = "arm,mps2-timer";
+	reg = <0x40001000 0x1000>;
+	interrupts = <9>;
+	clock-frequency = <25000000>;
+};
-- 
1.9.1