[PATCH v2] arm64: dts: added thermal monitor node

Shawn Guo shawnguo at kernel.org
Tue Mar 14 01:08:23 PDT 2017


On Tue, Mar 14, 2017 at 10:17:49AM +0800, Yuantian Tang wrote:
> There is a thermal monitoring unit on ls1012a soc which can
> monitor and record the temperature of cores so that appropriate actions
> can be taken or alarm the user when the temperature exceeds a programmed
> temperature threshold.
> 
> Signed-off-by: Tang Yuantian <andy.tang at nxp.com>

'arm64: dts: ls1012a: ...' for subject prefix to make it more specific.

> ---
> v2:
> 	-- rebased to latest kernel.
> 
>  arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi | 76 ++++++++++++++++++++++++++
>  1 file changed, 76 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi
> index cffebb4..d9d9b0f 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi
> @@ -43,6 +43,7 @@
>   */
>  
>  #include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/thermal/thermal.h>
>  
>  / {
>  	compatible = "fsl,ls1012a";
> @@ -126,6 +127,81 @@
>  			#clock-cells = <2>;
>  			clocks = <&sysclk>;
>  		};

Have a newline between nodes.

> +		tmu: tmu at 1f00000 {
> +			compatible = "fsl,qoriq-tmu";
> +			reg = <0x0 0x1f00000 0x0 0x10000>;
> +			interrupts = <0 33 0x4>;
> +			fsl,tmu-range = <0xb0000 0x9002a 0x6004c 0x30062>;
> +			fsl,tmu-calibration = <0x00000000 0x00000026
> +					       0x00000001 0x0000002d
> +					       0x00000002 0x00000032
> +					       0x00000003 0x00000039
> +					       0x00000004 0x0000003f
> +					       0x00000005 0x00000046
> +					       0x00000006 0x0000004d
> +					       0x00000007 0x00000054
> +					       0x00000008 0x0000005a
> +					       0x00000009 0x00000061
> +					       0x0000000a 0x0000006a
> +					       0x0000000b 0x00000071
> +
> +					       0x00010000 0x00000025
> +					       0x00010001 0x0000002c
> +					       0x00010002 0x00000035
> +					       0x00010003 0x0000003d
> +					       0x00010004 0x00000045
> +					       0x00010005 0x0000004e
> +					       0x00010006 0x00000057
> +					       0x00010007 0x00000061
> +					       0x00010008 0x0000006b
> +					       0x00010009 0x00000076
> +
> +					       0x00020000 0x00000029
> +					       0x00020001 0x00000033
> +					       0x00020002 0x0000003d
> +					       0x00020003 0x00000049
> +					       0x00020004 0x00000056
> +					       0x00020005 0x00000061
> +					       0x00020006 0x0000006d
> +
> +					       0x00030000 0x00000021
> +					       0x00030001 0x0000002a
> +					       0x00030002 0x0000003c
> +					       0x00030003 0x0000004e>;
> +			big-endian;
> +			#thermal-sensor-cells = <1>;
> +		};
> +
> +		thermal-zones {
> +			cpu_thermal: cpu-thermal {
> +				polling-delay-passive = <1000>;
> +				polling-delay = <5000>;
> +

We usually do not have any newline in middle of property list, so please
drop it.

> +				thermal-sensors = <&tmu 0>;
> +
> +				trips {
> +					cpu_alert: cpu-alert {
> +						temperature = <85000>;
> +						hysteresis = <2000>;
> +						type = "passive";
> +					};

Have a newline between node.

Shawn

> +					cpu_crit: cpu-crit {
> +						temperature = <95000>;
> +						hysteresis = <2000>;
> +						type = "critical";
> +					};
> +				};
> +
> +				cooling-maps {
> +					map0 {
> +						trip = <&cpu_alert>;
> +						cooling-device =
> +							<&cpu0 THERMAL_NO_LIMIT
> +							THERMAL_NO_LIMIT>;
> +					};
> +				};
> +			};
> +		};
>  
>  		i2c0: i2c at 2180000 {
>  			compatible = "fsl,vf610-i2c";
> -- 
> 2.1.0.27.g96db324
> 
> 
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