linux-kernel - [PATCHv4 14/18] arm: dts: add cooling properties on omap4460 cpu node

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Date:	Thu, 26 Sep 2013 23:13:21 -0400
From:	Eduardo Valentin <eduardo.valentin@...com>
To:	<swarren@...dotorg.org>, <pawel.moll@....com>,
	<mark.rutland@....com>, <ian.campbell@...rix.com>,
	<rob.herring@...xeda.com>, <linux@...ck-us.net>,
	<rui.zhang@...el.com>, <wni@...dia.com>
CC:	<grant.likely@...aro.org>, <durgadoss.r@...el.com>,
	<linux-pm@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<lm-sensors@...sensors.org>, <linux-kernel@...r.kernel.org>,
	Eduardo Valentin <eduardo.valentin@...com>,
	Benoît Cousson <bcousson@...libre.com>,
	Tony Lindgren <tony@...mide.com>,
	Russell King <linux@....linux.org.uk>,
	<linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: [PATCHv4 14/18] arm: dts: add cooling properties on omap4460 cpu node

OMAP4460 devices can reach high temperatures and thus
needs to have cpufreq-cooling on systems running on it.

This patch adds the required cooling device properties
so that cpufreq-cpu0 driver loads the cooling device.

Cc: "Benoît Cousson" <bcousson@...libre.com>
Cc: Tony Lindgren <tony@...mide.com>
Cc: Rob Herring <rob.herring@...xeda.com>
Cc: Pawel Moll <pawel.moll@....com>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Stephen Warren <swarren@...dotorg.org>
Cc: Ian Campbell <ian.campbell@...rix.com>
Cc: Russell King <linux@....linux.org.uk>
Cc: linux-omap@...r.kernel.org
Cc: devicetree@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valentin@...com>
---
 arch/arm/boot/dts/omap4460.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/omap4460.dtsi b/arch/arm/boot/dts/omap4460.dtsi
index 4d93aba..dc22719 100644
--- a/arch/arm/boot/dts/omap4460.dtsi
+++ b/arch/arm/boot/dts/omap4460.dtsi
@@ -20,6 +20,11 @@
 				920000  1313000
 			>;
 			clock-latency = <300000>; /* From legacy driver */
+
+			/* cooling options */
+			cooling-min-level = <0>;
+			cooling-max-level = <2>;
+			#cooling-cells = <2>; /* min followed by max */
 		};
 	};
 
-- 
1.8.2.1.342.gfa7285d

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