Re: [PATCH v2 1/1] arm64: dts: qcom: sc7180: Add device node support for TSENS in SC7180

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Hi Rajeshwari,

On Thu, Nov 28, 2019 at 3:25 PM Rajeshwari <rkambl@xxxxxxxxxxxxxx> wrote:
>
> Add TSENS node and user thermal zone for TSENS sensors in SC7180.
>
> Signed-off-by: Rajeshwari <rkambl@xxxxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/sc7180.dtsi | 527 +++++++++++++++++++++++++++++++++++
>  1 file changed, 527 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index 666e9b9..6656ffc 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -911,6 +911,26 @@
>                         status = "disabled";
>                 };
>
> +               tsens0: thermal-sensor@c263000 {
> +                       compatible = "qcom,sc7180-tsens","qcom,tsens-v2";
> +                       reg = <0 0x0c263000 0 0x1ff>, /* TM */
> +                               <0 0x0c222000 0 0x1ff>; /* SROT */
> +                       #qcom,sensors = <15>;
> +                       interrupts = <GIC_SPI 506 IRQ_TYPE_LEVEL_HIGH>;
> +                       interrupt-names = "uplow";
> +                       #thermal-sensor-cells = <1>;
> +               };
> +
> +               tsens1: thermal-sensor@c265000 {
> +                       compatible = "qcom,sc7180-tsens","qcom,tsens-v2";
> +                       reg = <0 0x0c265000 0 0x1ff>, /* TM */
> +                               <0 0x0c223000 0 0x1ff>; /* SROT */
> +                       #qcom,sensors = <10>;
> +                       interrupts = <GIC_SPI 507 IRQ_TYPE_LEVEL_HIGH>;
> +                       interrupt-names = "uplow";
> +                       #thermal-sensor-cells = <1>;
> +               };
> +
>                 spmi_bus: spmi@c440000 {
>                         compatible = "qcom,spmi-pmic-arb";
>                         reg = <0 0x0c440000 0 0x1100>,
> @@ -1121,6 +1141,513 @@
>                 };
>         };
>
> +       thermal-zones {
> +               cpu0-thermal {
> +                       polling-delay-passive = <250>;
> +                       polling-delay = <1000>;
> +
> +                       thermal-sensors = <&tsens0 1>;
> +
> +                       trips {
> +                               cpu0_alert0: trip-point0 {
> +                                       temperature = <90000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu0_alert1: trip-point1 {
> +                                       temperature = <95000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu0_crit: cpu_crit {
> +                                       temperature = <110000>;
> +                                       hysteresis = <1000>;
> +                                       type = "critical";
> +                               };

Where are the cooling maps for all the cpu thermal zones? A passive
trip point w/o a cooling map is not of much use. If you are waiting
for cpufreq support to land before adding them, then remove the
passive trip points for now and add them along with the cooling maps
when you have cooling devices.

> +                       };
> +               };
> +
> +               cpu1-thermal {
> +                       polling-delay-passive = <250>;
> +                       polling-delay = <1000>;
> +
> +                       thermal-sensors = <&tsens0 2>;
> +
> +                       trips {
> +                               cpu1_alert0: trip-point0 {
> +                                       temperature = <90000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu1_alert1: trip-point1 {
> +                                       temperature = <95000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu1_crit: cpu_crit {
> +                                       temperature = <110000>;
> +                                       hysteresis = <1000>;
> +                                       type = "critical";
> +                               };
> +                       };
> +               };
> +
> +               cpu2-thermal {
> +                       polling-delay-passive = <250>;
> +                       polling-delay = <1000>;
> +
> +                       thermal-sensors = <&tsens0 3>;
> +
> +                       trips {
> +                               cpu2_alert0: trip-point0 {
> +                                       temperature = <90000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu2_alert1: trip-point1 {
> +                                       temperature = <95000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu2_crit: cpu_crit {
> +                                       temperature = <110000>;
> +                                       hysteresis = <1000>;
> +                                       type = "critical";
> +                               };
> +                       };
> +               };
> +
> +               cpu3-thermal {
> +                       polling-delay-passive = <250>;
> +                       polling-delay = <1000>;
> +
> +                       thermal-sensors = <&tsens0 4>;
> +
> +                       trips {
> +                               cpu3_alert0: trip-point0 {
> +                                       temperature = <90000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu3_alert1: trip-point1 {
> +                                       temperature = <95000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu3_crit: cpu_crit {
> +                                       temperature = <110000>;
> +                                       hysteresis = <1000>;
> +                                       type = "critical";
> +                               };
> +                       };
> +               };
> +
> +               cpu4-thermal {
> +                       polling-delay-passive = <250>;
> +                       polling-delay = <1000>;
> +
> +                       thermal-sensors = <&tsens0 5>;
> +
> +                       trips {
> +                               cpu4_alert0: trip-point0 {
> +                                       temperature = <90000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu4_alert1: trip-point1 {
> +                                       temperature = <95000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu4_crit: cpu_crit {
> +                                       temperature = <110000>;
> +                                       hysteresis = <1000>;
> +                                       type = "critical";
> +                               };
> +                       };
> +               };
> +
> +               cpu5-thermal {
> +                       polling-delay-passive = <250>;
> +                       polling-delay = <1000>;
> +
> +                       thermal-sensors = <&tsens0 6>;
> +
> +                       trips {
> +                               cpu5_alert0: trip-point0 {
> +                                       temperature = <90000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu5_alert1: trip-point1 {
> +                                       temperature = <95000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu5_crit: cpu_crit {
> +                                       temperature = <110000>;
> +                                       hysteresis = <1000>;
> +                                       type = "critical";
> +                               };
> +                       };
> +               };
> +
> +               cpu6-thermal {
> +                       polling-delay-passive = <250>;
> +                       polling-delay = <1000>;
> +
> +                       thermal-sensors = <&tsens0 9>;
> +
> +                       trips {
> +                               cpu6_alert0: trip-point0 {
> +                                       temperature = <90000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu6_alert1: trip-point1 {
> +                                       temperature = <95000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu6_crit: cpu_crit {
> +                                       temperature = <110000>;
> +                                       hysteresis = <1000>;
> +                                       type = "critical";
> +                               };
> +                       };
> +               };
> +
> +               cpu7-thermal {
> +                       polling-delay-passive = <250>;
> +                       polling-delay = <1000>;
> +
> +                       thermal-sensors = <&tsens0 10>;
> +
> +                       trips {
> +                               cpu7_alert0: trip-point0 {
> +                                       temperature = <90000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu7_alert1: trip-point1 {
> +                                       temperature = <95000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu7_crit: cpu_crit {
> +                                       temperature = <110000>;
> +                                       hysteresis = <1000>;
> +                                       type = "critical";
> +                               };
> +                       };
> +               };
> +
> +               cpu8-thermal {
> +                       polling-delay-passive = <250>;
> +                       polling-delay = <1000>;
> +
> +                       thermal-sensors = <&tsens0 11>;
> +
> +                       trips {
> +                               cpu8_alert0: trip-point0 {
> +                                       temperature = <90000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu8_alert1: trip-point1 {
> +                                       temperature = <95000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu8_crit: cpu_crit {
> +                                       temperature = <110000>;
> +                                       hysteresis = <1000>;
> +                                       type = "critical";
> +                               };
> +                       };
> +               };
> +
> +               cpu9-thermal {
> +                       polling-delay-passive = <250>;
> +                       polling-delay = <1000>;
> +
> +                       thermal-sensors = <&tsens0 12>;
> +
> +                       trips {
> +                               cpu9_alert0: trip-point0 {
> +                                       temperature = <90000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu9_alert1: trip-point1 {
> +                                       temperature = <95000>;
> +                                       hysteresis = <2000>;
> +                                       type = "passive";
> +                               };
> +
> +                               cpu9_crit: cpu_crit {
> +                                       temperature = <110000>;
> +                                       hysteresis = <1000>;
> +                                       type = "critical";
> +                               };
> +                       };
> +               };
> +



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