| Message ID | 1424878462-15511-4-git-send-email-l.majewski@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Wed, Feb 25, 2015 at 04:34:19PM +0100, Lukasz Majewski wrote: > With those bindings it is possible to use pwm-fan device available in > Odroid U3 as a cooling device. > > Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Acked-by: Eduardo Valentin <edubezval@gmail.com> > --- > Changes for v2: > - Rename cooling-pwm-values property to cooling-levels > Changes for v3: > - Change patch's topic to "ARM dts" > - Reduce maximal cooling-level to 230 from 255 > Changes for v4: > - None > Changes for v5: > - None > --- > arch/arm/boot/dts/exynos4412-odroidu3.dts | 33 ++++++++++++++++++++++++++++++- > 1 file changed, 32 insertions(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts > index 4c04837..abcfa3c 100644 > --- a/arch/arm/boot/dts/exynos4412-odroidu3.dts > +++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts > @@ -32,9 +32,40 @@ > }; > }; > > - pwm-fan { > + fan0: pwm-fan { > compatible = "pwm-fan"; > pwms = <&pwm 0 10000 0>; > + cooling-min-state = <0>; > + cooling-max-state = <3>; > + #cooling-cells = <2>; > + cooling-levels = <0 102 170 230>; > + }; > + > + thermal-zones { > + cpu_thermal: cpu-thermal { > + cooling-maps { > + map0 { > + trip = <&cpu_alert1>; > + cooling-device = <&cpu0 7 7>; > + }; > + map1 { > + trip = <&cpu_alert2>; > + cooling-device = <&cpu0 13 13>; > + }; > + map2 { > + trip = <&cpu_alert0>; > + cooling-device = <&fan0 0 1>; > + }; > + map3 { > + trip = <&cpu_alert1>; > + cooling-device = <&fan0 1 2>; > + }; > + map4 { > + trip = <&cpu_alert2>; > + cooling-device = <&fan0 2 3>; > + }; > + }; > + }; > }; > }; > > -- > 2.0.0.rc2 >
diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts index 4c04837..abcfa3c 100644 --- a/arch/arm/boot/dts/exynos4412-odroidu3.dts +++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts @@ -32,9 +32,40 @@ }; }; - pwm-fan { + fan0: pwm-fan { compatible = "pwm-fan"; pwms = <&pwm 0 10000 0>; + cooling-min-state = <0>; + cooling-max-state = <3>; + #cooling-cells = <2>; + cooling-levels = <0 102 170 230>; + }; + + thermal-zones { + cpu_thermal: cpu-thermal { + cooling-maps { + map0 { + trip = <&cpu_alert1>; + cooling-device = <&cpu0 7 7>; + }; + map1 { + trip = <&cpu_alert2>; + cooling-device = <&cpu0 13 13>; + }; + map2 { + trip = <&cpu_alert0>; + cooling-device = <&fan0 0 1>; + }; + map3 { + trip = <&cpu_alert1>; + cooling-device = <&fan0 1 2>; + }; + map4 { + trip = <&cpu_alert2>; + cooling-device = <&fan0 2 3>; + }; + }; + }; }; };
With those bindings it is possible to use pwm-fan device available in Odroid U3 as a cooling device. Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> --- Changes for v2: - Rename cooling-pwm-values property to cooling-levels Changes for v3: - Change patch's topic to "ARM dts" - Reduce maximal cooling-level to 230 from 255 Changes for v4: - None Changes for v5: - None --- arch/arm/boot/dts/exynos4412-odroidu3.dts | 33 ++++++++++++++++++++++++++++++- 1 file changed, 32 insertions(+), 1 deletion(-)