On Sun, Feb 12, 2017 at 07:38:48PM +0000, Stefan Wahren wrote:
> As suggested by Eduardo Valentin this adds the thermal zone for
> the bcm2835 SoC with its single thermal sensor. We start with
> the criticial trip point and leave the cooling devices empty
> since we don't have any at the moment.
>
> Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx>
> ---
>
> Changes in V2:
> - add missing thermal-sensor-cells property
> - change gpu-thermal to cpu-thermal
>
> arch/arm/boot/dts/bcm283x.dtsi | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
> diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi
> index a3106aa..4dc74f6 100644
> --- a/arch/arm/boot/dts/bcm283x.dtsi
> +++ b/arch/arm/boot/dts/bcm283x.dtsi
> @@ -19,6 +19,25 @@
> bootargs = "earlyprintk console=ttyAMA0";
> };
>
> + thermal-zones {
> + cpu_thermal: cpu-thermal {
> + polling-delay-passive = <0>;
> + polling-delay = <1000>;
> +
Check the diff I sent and also add the following for differentiating the
offsets and slopes depending on which chip the zone describes:
coefficients = <-538 407000>; /* for the zone on bcm2835 and bcm2836 */
and
coefficients = <-538 412000>; /* for the zone on bcm2837 */
Despite the changes mentioned for the driver and DT, I am ok with the driver and the DTS descriptors.
BR,
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