linux-kernel - [PATCH 10/19] arm: dts: add cooling properties on omap4430 cpu node

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Message-Id: <1395744572-20014-11-git-send-email-alex.shi@linaro.org>
Date:	Tue, 25 Mar 2014 18:49:23 +0800
From:	Alex Shi <alex.shi@...aro.org>
To:	mark.hambleton@...adcom.com, mark.brown@...aro.org,
	eduardo.valentin@...com, mporter@...aro.org,
	lsk-interest@...aro.org, linaro-kernel@...aro.org
Cc:	Benoît Cousson <bcousson@...libre.com>,
	Tony Lindgren <tony@...mide.com>,
	Russell King <linux@....linux.org.uk>,
	linux-omap@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Alex Shi <alex.shi@...aro.org>
Subject: [PATCH 10/19] arm: dts: add cooling properties on omap4430 cpu node

From: Eduardo Valentin <eduardo.valentin@...com>

OMAP4430 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: Russell King <linux@....linux.org.uk>
Cc: linux-omap@...r.kernel.org
Cc: devicetree-discuss@...ts.ozlabs.org
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valentin@...com>
(cherry picked from commit 72af5e6d0c3e01655c1c1fc7c7ca94a2b663611e)

Signed-off-by: Alex Shi <alex.shi@...aro.org>
---
 arch/arm/boot/dts/omap443x.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/omap443x.dtsi b/arch/arm/boot/dts/omap443x.dtsi
index cccf39a..d2deba0 100644
--- a/arch/arm/boot/dts/omap443x.dtsi
+++ b/arch/arm/boot/dts/omap443x.dtsi
@@ -22,6 +22,11 @@
 				1008000 1375000
 			>;
 			clock-latency = <300000>; /* From legacy driver */
+
+			/* cooling options */
+			cooling-min-level = <0>;
+			cooling-max-level = <3>;
+			#cooling-cells = <2>; /* min followed by max */
 		};
 	};
 };
-- 
1.8.1.2

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