From: Eduardo Valentin <eduardo.valentin@ti.com>
To: <rui.zhang@intel.com>
CC: <linux-pm@vger.kernel.org>, <devicetree@vger.kernel.org>,
        <lm-sensors@lm-sensors.org>, <linux-kernel@vger.kernel.org>,
        Eduardo Valentin <eduardo.valentin@ti.com>,
        =?UTF-8?q?Beno=C3=AEt=20Cousson?= <bcousson@baylibre.com>,
        Rob Herring <rob.herring@calxeda.com>, Pawel Moll <pawel.moll@arm.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Stephen Warren <swarren@wwwdotorg.org>,
        Ian Campbell <ijc+devicetree@hellion.org.uk>,
        Russell King <linux@arm.linux.org.uk>,
        <linux-arm-kernel@lists.infradead.org>
Subject: [PATCHv2 4/7] arm: dts: add cooling properties on dra7 cpu node
Date: Mon, 6 Jan 2014 08:36:48 -0400
Message-ID: <1389011811-13004-5-git-send-email-eduardo.valentin@ti.com>
In-Reply-To: <1389011811-13004-1-git-send-email-eduardo.valentin@ti.com>
References: <1389011811-13004-1-git-send-email-eduardo.valentin@ti.com>
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Sender: linux-kernel-owner@vger.kernel.org

DRA7 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@baylibre.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
---
 arch/arm/boot/dts/dra7.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index 8f21157..139472c 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -47,6 +47,11 @@
 				1000000	1060000
 				1176000	1160000
 				>;
+
+			/* cooling properties */
+			#cooling-cells = <2>; /* min and max */
+			#cooling-min-level = <0>;
+			#cooling-max-level = <1>;
 		};
 		cpu@1 {
 			device_type = "cpu";
-- 
1.8.2.1.342.gfa7285d

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