Re: [PATCH v2 5/8] hwmon: thermal: dts: Add properties to use pwm-fan device as a cooling device in Odroid U3

Eduardo Valentin
2015-01-02T18:54:44Z

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Patch subject should use a prefix like:
'arm: dts:....'

On Mon, Dec 22, 2014 at 05:27:45PM +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>
> ---
> 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
>

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