On 14.03.2016 11:04, Chanwoo Choi wrote:
> This patch enables the CPU frequency scaling for exynos3250-artik5 module
> and adds the thernal zones with cpu cooling device to prevent the overheat
> temperature.
>
> Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
> ---
> arch/arm/boot/dts/exynos3250-artik5.dtsi | 23 +++++++++++++++++++++++
> 1 file changed, 23 insertions(+)
The patch looks good but just squash it with 5/10 unless there is some
benefit by splitting the features for many patches. The benefit would be
for example submitting the work partially, in steps, following principle
release-early-release-often... but this is not the case. You have
everything ready and tested.
BR,
Krzysztof
>
> diff --git a/arch/arm/boot/dts/exynos3250-artik5.dtsi b/arch/arm/boot/dts/exynos3250-artik5.dtsi
> index 75b291c10cdc..877e4827df83 100644
> --- a/arch/arm/boot/dts/exynos3250-artik5.dtsi
> +++ b/arch/arm/boot/dts/exynos3250-artik5.dtsi
> @@ -31,6 +31,25 @@
> compatible = "samsung,secure-firmware";
> reg = <0x0205F000 0x1000>;
> };
> +
> + 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>;
> + };
> + };
> + };
> + };
> +};
> +
> +&cpu0 {
> + cpu0-supply = <&buck2_reg>;
> };
>
> &i2c_0 {
> @@ -296,6 +315,10 @@
> status = "okay";
> };
>
> +&tmu {
> + status = "okay";
> +};
> +
> &xusbxti {
> clock-frequency = <24000000>;
> };
>
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