[PATCH 11/19] arm: dts: add cooling properties on omap4460 cpu node

Alex Shi alex.shi at linaro.org
Tue Mar 25 06:49:24 EDT 2014


From: Eduardo Valentin <eduardo.valentin at ti.com>

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 at baylibre.com>
Cc: Tony Lindgren <tony at atomide.com>
Cc: Rob Herring <rob.herring at calxeda.com>
Cc: Pawel Moll <pawel.moll at arm.com>
Cc: Mark Rutland <mark.rutland at arm.com>
Cc: Stephen Warren <swarren at wwwdotorg.org>
Cc: Ian Campbell <ian.campbell at citrix.com>
Cc: Russell King <linux at arm.linux.org.uk>
Cc: linux-omap at vger.kernel.org
Cc: devicetree at vger.kernel.org
Cc: linux-arm-kernel at lists.infradead.org
Cc: linux-kernel at vger.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valentin at ti.com>
(cherry picked from commit 616a66351d6cd4a9bdb20fe49ee2505d9cc8a0db)

Signed-off-by: Alex Shi <alex.shi at linaro.org>
---
 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 2cf227c..e21fc05 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 */
 		};
 	};
 
-- 
1.8.1.2




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