Re: [PATCH 1/4] arm64: tegra: Add BPMP thermal sensor to Tegra186

From: Eduardo Valentin
Date: Fri Jun 30 2017 - 19:57:09 EST


On Fri, Jun 16, 2017 at 02:28:22PM +0300, Mikko Perttunen wrote:
> This adds the thermal sensor device provided by the BPMP, and the
> relevant thermal sensors to the Tegra186 device tree.
>
> Signed-off-by: Mikko Perttunen <mperttunen@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/nvidia/tegra186.dtsi | 48 ++++++++++++++++++++++++++++++++
> 1 file changed, 48 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
> index 5e62e68ac053..5c19ea74da24 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
> +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
> @@ -4,6 +4,7 @@
> #include <dt-bindings/mailbox/tegra186-hsp.h>
> #include <dt-bindings/power/tegra186-powergate.h>
> #include <dt-bindings/reset/tegra186-reset.h>
> +#include <dt-bindings/thermal/tegra186-bpmp-thermal.h>
>
> / {
> compatible = "nvidia,tegra186";
> @@ -444,6 +445,53 @@
> #size-cells = <0>;
> status = "disabled";
> };
> +
> + bpmp_thermal: thermal {
> + compatible = "nvidia,tegra186-bpmp-thermal";
> + #thermal-sensor-cells = <1>;
> + };
> + };
> +
> + thermal-zones {
> + a57 {
> + polling-delay = <0>;
> + polling-delay-passive = <1000>;
> +
> + thermal-sensors =
> + <&bpmp_thermal TEGRA186_BPMP_THERMAL_ZONE_CPU>;
> + };
> +
> + denver {
> + polling-delay = <0>;
> + polling-delay-passive = <1000>;
> +
> + thermal-sensors =
> + <&bpmp_thermal TEGRA186_BPMP_THERMAL_ZONE_AUX>;
> + };
> +
> + gpu {
> + polling-delay = <0>;
> + polling-delay-passive = <1000>;
> +
> + thermal-sensors =
> + <&bpmp_thermal TEGRA186_BPMP_THERMAL_ZONE_GPU>;
> + };
> +
> + pll {
> + polling-delay = <0>;
> + polling-delay-passive = <1000>;
> +
> + thermal-sensors =
> + <&bpmp_thermal TEGRA186_BPMP_THERMAL_ZONE_PLLX>;
> + };
> +
> + always_on {
> + polling-delay = <0>;
> + polling-delay-passive = <1000>;
> +
> + thermal-sensors =
> + <&bpmp_thermal TEGRA186_BPMP_THERMAL_ZONE_AO>;
> + };

All the above zones are lacking mandatory fields. Please refer to the
thermal binding documentation.

> };
>
> timer {
> --
> 2.13.1
>