On 02.07.2015 14:37, Chanwoo Choi wrote: > This patch add the cooling device to control the overheating issue on > Exynos3250-based Rinato/Monk board. > > Cc: Kukjin Kim <kgene@xxxxxxxxxx> > Cc: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx> > Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx> > Acked-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> > --- > Depends on: > This patch needs the cpufreq support of Exynos3250 SoC. So, this patch has the > dependency on patch[1] which support the generic cpufreq for Exynos3250 SoC. > [1] https://lkml.org/lkml/2015/7/1/696 > : [PATCH v6 0/3] cpufreq: Use cpufreq-dt driver for Exynos3250 > > arch/arm/boot/dts/exynos3250-monk.dts | 15 +++++++++++++++ > arch/arm/boot/dts/exynos3250-rinato.dts | 15 +++++++++++++++ > arch/arm/boot/dts/exynos3250.dtsi | 1 + > 3 files changed, 31 insertions(+) > > 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 e0f3b2ed41a3..a4931b660ddb 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>; > Don't you need also cooling-{min,max}-state properties? Best regards, Krzysztof > operating-points = < > 1000000 1150000 > -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
 |