ARM: dts: exynos: Add CPU cooling in SMDK4412
authorKrzysztof Kozlowski <krzk@kernel.org>
Sun, 30 Aug 2020 13:51:56 +0000 (15:51 +0200)
committerKrzysztof Kozlowski <krzk@kernel.org>
Wed, 2 Sep 2020 15:46:28 +0000 (17:46 +0200)
Add missing cooling devices for CPU thermal zones in Exynos4412 SMDK4412
board.  This allows to scale down CPU frequency (and voltage) in case of
thermal pressure.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200830135200.24304-29-krzk@kernel.org
arch/arm/boot/dts/exynos4412-smdk4412.dts

index e70fb6e601f0efca883fc92b76b92613b0fd39c3..3667fa048e0f84b810e92045f1a2f94cfd48463f 100644 (file)
        };
 };
 
+&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>;
+               };
+       };
+};
+
 &keypad {
        samsung,keypad-num-rows = <3>;
        samsung,keypad-num-columns = <8>;