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| author | Chanwoo Choi <cw00.choi@samsung.com> | 2015-07-30 17:02:22 +0300 |
|---|---|---|
| committer | Kukjin Kim <kgene@kernel.org> | 2015-08-13 20:08:56 +0300 |
| commit | 5600f8cc8aa8bdcf335e84a7f85eae204b379bae (patch) | |
| tree | 0b8795c51f946c2aa5d67c64c35aed4ae62411a5 /arch/arm | |
| parent | df09df6f9ac384fef825c2c21c62cd576acda17f (diff) | |
| download | linux-5600f8cc8aa8bdcf335e84a7f85eae204b379bae.tar.xz | |
ARM: dts: Add CPU cooling binding for exynos3250 boards
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>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/exynos3250-monk.dts | 15 | ||||
| -rw-r--r-- | arch/arm/boot/dts/exynos3250-rinato.dts | 15 | ||||
| -rw-r--r-- | arch/arm/boot/dts/exynos3250.dtsi | 1 |
3 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/exynos3250-monk.dts b/arch/arm/boot/dts/exynos3250-monk.dts index 7863265d4868..540a0adf2be6 100644 --- a/arch/arm/boot/dts/exynos3250-monk.dts +++ b/arch/arm/boot/dts/exynos3250-monk.dts @@ -116,6 +116,21 @@ min-microvolt = <1100000>; 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 { diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts index ddd7ac283045..0e62a6435e07 100644 --- a/arch/arm/boot/dts/exynos3250-rinato.dts +++ b/arch/arm/boot/dts/exynos3250-rinato.dts @@ -107,6 +107,21 @@ min-microvolt = <1100000>; 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 { diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi index 9e58a2322a2d..033def482fc3 100644 --- a/arch/arm/boot/dts/exynos3250.dtsi +++ b/arch/arm/boot/dts/exynos3250.dtsi @@ -55,6 +55,7 @@ clock-frequency = <1000000000>; clocks = <&cmu CLK_ARM_CLK>; clock-names = "cpu"; + #cooling-cells = <2>; operating-points = < 1000000 1150000 |