Thread (81 messages) 81 messages, 15 authors, 2014-01-14

[PATCHv5 13/20] arm: dts: add cooling properties on omap4460 cpu node

From: Eduardo Valentin <hidden>
Date: 2013-11-12 19:50:36
Also in: linux-arm-kernel, linux-omap, linux-pm, lkml
Subsystem: the rest · Maintainer: Linus Torvalds

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" <redacted>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Rob Herring <redacted>
Cc: Pawel Moll <redacted>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Stephen Warren <redacted>
Cc: Ian Campbell <redacted>
Cc: Russell King <redacted>
Cc: linux-omap@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <redacted>
---
 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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