lkml.org 
[lkml]   [2014]   [Dec]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH v2 5/8] hwmon: thermal: dts: Add properties to use pwm-fan device as a cooling device in Odroid U3
    Date
    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
    ---
    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 60bd1e4..380035d 100644
    --- a/arch/arm/boot/dts/exynos4412-odroidu3.dts
    +++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts
    @@ -32,11 +32,42 @@
    };
    };

    - 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 = <0 102 170 255>;
    status = "okay";
    };
    +
    + 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>;
    + };
    + };
    + };
    + };
    };

    &pwm {
    --
    2.0.0.rc2


    \
     
     \ /
      Last update: 2014-12-22 17:41    [W:3.162 / U:0.840 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site