[v7,1/3] arm64: dts: mt8183: add thermal zone node

[Hsin-Yi Wang]

On Tue, Mar 16, 2021 at 3:02 PM Michael Kao <michael.kao at mediatek.com> wrote:
>
> From: "michael.kao" <michael.kao at mediatek.com>
>
> Add thermal zone node to Mediatek MT8183 dts file.
>
> Evaluate the thermal zone every 500ms while not cooling
> and every 100ms when passive cooling is performed.
>
> Signed-off-by: Matthias Kaehlcke <mka at chromium.org>
> Signed-off-by: Michael Kao <michael.kao at mediatek.com>

Tested-by: Hsin-Yi Wang <hsinyi at chromium.org>

Tested this patch on mt8183 devices.

> ---
>  arch/arm64/boot/dts/mediatek/mt8183.dtsi | 85 ++++++++++++++++++++++++
>  1 file changed, 85 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> index 5b782a4769e7..d3550af06408 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> @@ -657,6 +657,87 @@
>                         status = "disabled";
>                 };
>
> +               thermal: thermal at 1100b000 {
> +                       #thermal-sensor-cells = <1>;
> +                       compatible = "mediatek,mt8183-thermal";
> +                       reg = <0 0x1100b000 0 0x1000>;
> +                       clocks = <&infracfg CLK_INFRA_THERM>,
> +                                <&infracfg CLK_INFRA_AUXADC>;
> +                       clock-names = "therm", "auxadc";
> +                       resets = <&infracfg  MT8183_INFRACFG_AO_THERM_SW_RST>;
> +                       interrupts = <0 76 IRQ_TYPE_LEVEL_LOW>;
> +                       mediatek,auxadc = <&auxadc>;
> +                       mediatek,apmixedsys = <&apmixedsys>;
> +                       nvmem-cells = <&thermal_calibration>;
> +                       nvmem-cell-names = "calibration-data";
> +               };
> +
> +               thermal-zones {
> +                       cpu_thermal: cpu_thermal {
> +                               polling-delay-passive = <100>;
> +                               polling-delay = <500>;
> +                               thermal-sensors = <&thermal 0>;
> +                               sustainable-power = <5000>;
> +                       };
> +
> +                       /* The tzts1 ~ tzts6 don't need to polling */
> +                       /* The tzts1 ~ tzts6 don't need to thermal throttle */
> +
> +                       tzts1: tzts1 {
> +                               polling-delay-passive = <0>;
> +                               polling-delay = <0>;
> +                               thermal-sensors = <&thermal 1>;
> +                               sustainable-power = <5000>;
> +                               trips {};
> +                               cooling-maps {};
> +                       };
> +
> +                       tzts2: tzts2 {
> +                               polling-delay-passive = <0>;
> +                               polling-delay = <0>;
> +                               thermal-sensors = <&thermal 2>;
> +                               sustainable-power = <5000>;
> +                               trips {};
> +                               cooling-maps {};
> +                       };
> +
> +                       tzts3: tzts3 {
> +                               polling-delay-passive = <0>;
> +                               polling-delay = <0>;
> +                               thermal-sensors = <&thermal 3>;
> +                               sustainable-power = <5000>;
> +                               trips {};
> +                               cooling-maps {};
> +                       };
> +
> +                       tzts4: tzts4 {
> +                               polling-delay-passive = <0>;
> +                               polling-delay = <0>;
> +                               thermal-sensors = <&thermal 4>;
> +                               sustainable-power = <5000>;
> +                               trips {};
> +                               cooling-maps {};
> +                       };
> +
> +                       tzts5: tzts5 {
> +                               polling-delay-passive = <0>;
> +                               polling-delay = <0>;
> +                               thermal-sensors = <&thermal 5>;
> +                               sustainable-power = <5000>;
> +                               trips {};
> +                               cooling-maps {};
> +                       };
> +
> +                       tztsABB: tztsABB {
> +                               polling-delay-passive = <0>;
> +                               polling-delay = <0>;
> +                               thermal-sensors = <&thermal 6>;
> +                               sustainable-power = <5000>;
> +                               trips {};
> +                               cooling-maps {};
> +                       };
> +               };
> +
>                 pwm0: pwm at 1100e000 {
>                         compatible = "mediatek,mt8183-disp-pwm";
>                         reg = <0 0x1100e000 0 0x1000>;
> @@ -926,6 +1007,10 @@
>                         reg = <0 0x11f10000 0 0x1000>;
>                         #address-cells = <1>;
>                         #size-cells = <1>;
> +                       thermal_calibration: calib at 180 {
> +                               reg = <0x180 0xc>;
> +                       };
> +
>                         mipi_tx_calibration: calib at 190 {
>                                 reg = <0x190 0xc>;
>                         };
> --
> 2.18.0
>