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

Mikko Perttunen cyndis at kapsi.fi
Mon Jul 10 01:50:33 PDT 2017


On 01.07.2017 02:56, Eduardo Valentin wrote:
> 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 at nvidia.com>
>> ---
>>  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.

Will fix.

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