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ARM: dts: Add CPU cooling binding for exynos3250 boards

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This patch add the cooling device to control the overheating issue on
Exynos3250-based Rinato/Monk board.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
This commit is contained in:
Chanwoo Choi 2015-07-30 23:02:22 +09:00 • committed by Kukjin Kim
parent df09df6f9a
commit 5600f8cc8a
3 changed files with 31 additions and 0 deletions
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15
arch/arm/boot/dts/exynos3250-monk.dts
View file

@ -116,6 +116,21 @@
min-microvolt = <1100000>; min-microvolt = <1100000>;
max-microvolt = <2700000>; max-microvolt = <2700000>;
}; };
thermal-zones {
cpu_thermal: cpu-thermal {
cooling-maps {
map0 {
/* Correspond to 500MHz at freq_table */
cooling-device = <&cpu0 5 5>;
};
map1 {
/* Correspond to 200MHz at freq_table */
cooling-device = <&cpu0 8 8>;
};
};
};
};
}; };
&adc { &adc {

15
arch/arm/boot/dts/exynos3250-rinato.dts
View file

@ -107,6 +107,21 @@
min-microvolt = <1100000>; min-microvolt = <1100000>;
max-microvolt = <2700000>; max-microvolt = <2700000>;
}; };
thermal-zones {
cpu_thermal: cpu-thermal {
cooling-maps {
map0 {
/* Corresponds to 500MHz */
cooling-device = <&cpu0 5 5>;
};
map1 {
/* Corresponds to 200MHz */
cooling-device = <&cpu0 8 8>;
};
};
};
};
}; };
&adc { &adc {

1
arch/arm/boot/dts/exynos3250.dtsi
View file

@ -55,6 +55,7 @@
clock-frequency = <1000000000>; clock-frequency = <1000000000>;
clocks = <&cmu CLK_ARM_CLK>; clocks = <&cmu CLK_ARM_CLK>;
clock-names = "cpu"; clock-names = "cpu";
#cooling-cells = <2>;
operating-points = < operating-points = <
1000000 1150000 1000000 1150000