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SubjectRe: [PATCH v1 04/12] arm64: dts: msm8996: thermal: Add temperature sensors near major peripherals
On Mon, Feb 18, 2019 at 06:05:18PM +0530, Amit Kucheria wrote:
> msm8996 has a total of 21 temperature sensors. Populate DT with
> information about them.
>
> There are 2 sensors on each of the cpus - one on the top, the other
> below (we only expose one on the top in DT for now). For the GPU, we
> expose both, the one on the top and the one below.
>
> Depending on the version of the silicon, sensor 2 is either placed near
> the L3 cache or the venus video decoder. It would've been nice to be
> able to be version-specific but we don't have DTs that differentiate the
> two versions of silicon yet.
>
> Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
> ---
> arch/arm64/boot/dts/qcom/msm8996.dtsi | 98 +++++++++++++++++++++++++++
> 1 file changed, 98 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
> index ae6e9f0778f0..8e36a39e1386 100644
> --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
> @@ -237,6 +237,104 @@
> };
> };
> };
> +
> + gpu-thermal-top {
> + polling-delay-passive = <250>;
> + polling-delay = <1000>;
> +
> + thermal-sensors = <&tsens1 6>;
> +
> + trips {
> + gpu1_alert0: trip-point@0 {
> + temperature = <75000>;
> + hysteresis = <2000>;
> + type = "passive";

What is the cooling map for this?

> + };
> +
> + gpu1_crit: gpu_crit {
> + temperature = <95000>;
> + hysteresis = <2000>;
> + type = "critical";
> + };
> + };
> + };
> +
> + gpu-thermal-bottom {
> + polling-delay-passive = <250>;
> + polling-delay = <1000>;
> +
> + thermal-sensors = <&tsens1 7>;
> +
> + trips {
> + gpu2_alert0: trip-point@0 {
> + temperature = <75000>;
> + hysteresis = <2000>;
> + type = "passive";
> + };
> +
> + gpu2_crit: gpu_crit {
> + temperature = <95000>;
> + hysteresis = <2000>;
> + type = "critical";
> + };
> + };
> + };
> +
> + m4m-thermal {
> + polling-delay-passive = <250>;
> + polling-delay = <1000>;
> +
> + thermal-sensors = <&tsens0 1>;
> + };
> +
> + l3_or_venus-thermal {
> + polling-delay-passive = <250>;
> + polling-delay = <1000>;
> +
> + thermal-sensors = <&tsens0 2>;
> + };
> +
> + cluster0-l2-thermal {
> + polling-delay-passive = <250>;
> + polling-delay = <1000>;
> +
> + thermal-sensors = <&tsens0 7>;
> + };
> +
> + cluster1-l2-thermal {
> + polling-delay-passive = <250>;
> + polling-delay = <1000>;
> +
> + thermal-sensors = <&tsens0 12>;
> + };
> +
> + camera-thermal {
> + polling-delay-passive = <250>;
> + polling-delay = <1000>;
> +
> + thermal-sensors = <&tsens1 1>;
> + };
> +
> + q6-dsp-thermal {
> + polling-delay-passive = <250>;
> + polling-delay = <1000>;
> +
> + thermal-sensors = <&tsens1 2>;
> + };
> +
> + mem-thermal {
> + polling-delay-passive = <250>;
> + polling-delay = <1000>;
> +
> + thermal-sensors = <&tsens1 3>;
> + };
> +
> + modemtx-thermal {
> + polling-delay-passive = <250>;
> + polling-delay = <1000>;
> +
> + thermal-sensors = <&tsens1 4>;
> + };
> };
>
> timer {
> --
> 2.17.1
>

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