On Fri, Mar 11, 2016 at 11:11:34AM +0800, Wei Ni wrote:
> Adds soctherm node for Tegra210, and add cpu,
> gpu, mem, pllx as thermal-zones. Set critical
> trip temp for cpu and gpu thermal zone.
>
> Signed-off-by: Wei Ni <wni@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/nvidia/tegra210.dtsi | 60 ++++++++++++++++++++++++++++++++
> 1 file changed, 60 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
> index cd4f45ccd6a7..c7ef500a347e 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi
> +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
> @@ -3,6 +3,7 @@
> #include <dt-bindings/memory/tegra210-mc.h>
> #include <dt-bindings/pinctrl/pinctrl-tegra.h>
> #include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/thermal/tegra124-soctherm.h>
>
> / {
> compatible = "nvidia,tegra210";
> @@ -802,4 +803,63 @@
> (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
> interrupt-parent = <&gic>;
> };
> +
> + soctherm: thermal-sensor@0,700e2000 {
> + compatible = "nvidia,tegra210-soctherm";
> + reg = <0x0 0x700e2000 0x0 0x1000>;
> + interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&tegra_car TEGRA210_CLK_TSENSOR>,
> + <&tegra_car TEGRA210_CLK_SOC_THERM>;
> + clock-names = "tsensor", "soctherm";
> + resets = <&tegra_car 78>;
> + reset-names = "soctherm";
> + #thermal-sensor-cells = <1>;
> + };
> +
> + thermal-zones {
> + cpu {
> + polling-delay-passive = <1000>;
> + polling-delay = <0>;
> +
> + thermal-sensors =
> + <&soctherm TEGRA124_SOCTHERM_SENSOR_CPU>;
> +
> + trips {
> + cpu_shutdown_trip: shutdown-trip {
> + temperature = <102500>;
> + hysteresis = <1000>;
> + type = "critical";
> + };
> + };
> + };
> + mem {
> + polling-delay-passive = <0>;
> + polling-delay = <0>;
> +
> + thermal-sensors =
> + <&soctherm TEGRA124_SOCTHERM_SENSOR_MEM>;
Why no trips for mem? Why should we care ?
Please have a look on the binding to check for mandatory properties and
sub nodes.
> + };
> + gpu {
> + polling-delay-passive = <1000>;
> + polling-delay = <0>;
> +
> + thermal-sensors =
> + <&soctherm TEGRA124_SOCTHERM_SENSOR_GPU>;
> +
> + trips {
> + gpu_shutdown_trip: shutdown-trip {
> + temperature = <103000>;
> + hysteresis = <1000>;
> + type = "critical";
> + };
> + };
> + };
> + pllx {
> + polling-delay-passive = <0>;
> + polling-delay = <0>;
> +
> + thermal-sensors =
> + <&soctherm TEGRA124_SOCTHERM_SENSOR_PLLX>;
ditto
> + };
> + };
> };
> --
> 1.9.1
>
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