[RFC PATCH 10/14] arm: dts: point to cooling-zones on omap4460 cpu node

Eduardo Valentin eduardo.valentin at ti.com
Fri Aug 23 19:15:51 EDT 2013


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

This patch links the cpu node to its thermal-zone
so that cpufreq-cpu0 driver loads the cooling device.

Cc: "Benoît Cousson" <b-cousson at linaro.org>
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>
---
 arch/arm/boot/dts/omap4460.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/omap4460.dtsi b/arch/arm/boot/dts/omap4460.dtsi
index 9855f29..991bd1b 100644
--- a/arch/arm/boot/dts/omap4460.dtsi
+++ b/arch/arm/boot/dts/omap4460.dtsi
@@ -20,6 +20,7 @@
 				920000  1313000
 			>;
 			clock-latency = <300000>; /* From legacy driver */
+			cooling-zones = <&cpu_thermal>;
 		};
 	};
 
-- 
1.8.2.1.342.gfa7285d




More information about the linux-arm-kernel mailing list