ARM: dts: exynos: Add CPU cooling in SMDK4412 (4134628c) · Commits · 戴 / test

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

+15 −0

Original line number	Diff line number	Diff line
		@@ -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>;

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