[PATCH 28/33] ARM: dts: exynos: Add CPU cooling in Exynos4412 Origen

[Krzysztof Kozlowski]

Add missing cooling devices for CPU thermal zones in Exynos4412 Origen
board.  This allows to scale down CPU frequency (and voltage) in case of
thermal pressure.

Signed-off-by: Krzysztof Kozlowski <k...@kernel.org>
---
 arch/arm/boot/dts/exynos4412-origen.dts | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm/boot/dts/exynos4412-origen.dts 
b/arch/arm/boot/dts/exynos4412-origen.dts
index 4c52ca6dbe57..c2e793b69e7d 100644
--- a/arch/arm/boot/dts/exynos4412-origen.dts
+++ b/arch/arm/boot/dts/exynos4412-origen.dts
@@ -75,6 +75,21 @@
        cpu0-supply = <&buck2_reg>;
 };
 
+&cpu_thermal {
+       cooling-maps {
+               cooling_map0: map0 {
+                       /* Corresponds to 800MHz at freq_table */
+                       cooling-device = <&cpu0 7 7>, <&cpu1 7 7>,
+                                        <&cpu2 7 7>, <&cpu3 7 7>;
+               };
+               cooling_map1: map1 {
+                       /* Corresponds to 200MHz at freq_table */
+                       cooling-device = <&cpu0 13 13>, <&cpu1 13 13>,
+                                        <&cpu2 13 13>, <&cpu3 13 13>;
+               };
+       };
+};
+
 &exynos_usbphy {
        status = "okay";
 };
-- 
2.17.1