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ARM: dts: exynos: Add CPU cooling in SMDK4412

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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
This commit is contained in:
Krzysztof Kozlowski 2020-08-30 15:51:56 +02:00
parent ffed15b889
commit 4134628c38
1 changed files with 15 additions and 0 deletions
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15
arch/arm/boot/dts/exynos4412-smdk4412.dts
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@ -40,6 +40,21 @@
};
};
&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>;