linux-kernel - Re: [PATCH 1/2 v2] arm64: dts: ls1088a: add more thermal zone support

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Message-ID: <20200817080233.GC16951@dragon>
Date:   Mon, 17 Aug 2020 16:02:34 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     andy.tang@....com, amit.kucheria@...aro.org
Cc:     leoyang.li@....com, robh+dt@...nel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2 v2] arm64: dts: ls1088a: add more thermal zone support

On Wed, Jul 15, 2020 at 02:49:08PM +0800, andy.tang@....com wrote:
> From: Yuantian Tang <andy.tang@....com>
> 
> There are 2 thermal zones in ls1088a soc. Add the other thermal zone
> node to enable it.
> Also update the values in calibration table to make the temperatures
> monitored more precise.
> 
> Signed-off-by: Yuantian Tang <andy.tang@....com>
> ---
> v2:
> 	- remove useless alert trip

@Amit, looks good to you?

Shawn

> 
>  .../arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 94 +++++++++++--------
>  1 file changed, 56 insertions(+), 38 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> index 169f4742ae3b..b961a896ede7 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> @@ -130,19 +130,19 @@
>  	};
>  
>  	thermal-zones {
> -		cpu_thermal: cpu-thermal {
> +		core-cluster {
>  			polling-delay-passive = <1000>;
>  			polling-delay = <5000>;
>  			thermal-sensors = <&tmu 0>;
>  
>  			trips {
> -				cpu_alert: cpu-alert {
> +				core_cluster_alert: core-cluster-alert {
>  					temperature = <85000>;
>  					hysteresis = <2000>;
>  					type = "passive";
>  				};
>  
> -				cpu_crit: cpu-crit {
> +				core-cluster-crit {
>  					temperature = <95000>;
>  					hysteresis = <2000>;
>  					type = "critical";
> @@ -151,7 +151,7 @@
>  
>  			cooling-maps {
>  				map0 {
> -					trip = <&cpu_alert>;
> +					trip = <&core_cluster_alert>;
>  					cooling-device =
>  						<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
>  						<&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> @@ -164,6 +164,20 @@
>  				};
>  			};
>  		};
> +
> +		soc {
> +			polling-delay-passive = <1000>;
> +			polling-delay = <5000>;
> +			thermal-sensors = <&tmu 1>;
> +
> +			trips {
> +				soc-crit {
> +					temperature = <95000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +		};
>  	};
>  
>  	timer {
> @@ -210,45 +224,49 @@
>  			compatible = "fsl,qoriq-tmu";
>  			reg = <0x0 0x1f80000 0x0 0x10000>;
>  			interrupts = <0 23 0x4>;
> -			fsl,tmu-range = <0xb0000 0x9002a 0x6004c 0x30062>;
> +			fsl,tmu-range = <0xb0000 0x9002a 0x6004c 0x70062>;
>  			fsl,tmu-calibration =
>  				/* Calibration data group 1 */
> -				<0x00000000 0x00000026
> -				0x00000001 0x0000002d
> -				0x00000002 0x00000032
> -				0x00000003 0x00000039
> -				0x00000004 0x0000003f
> -				0x00000005 0x00000046
> -				0x00000006 0x0000004d
> -				0x00000007 0x00000054
> -				0x00000008 0x0000005a
> -				0x00000009 0x00000061
> -				0x0000000a 0x0000006a
> -				0x0000000b 0x00000071
> +				<0x00000000 0x00000023
> +				0x00000001 0x0000002a
> +				0x00000002 0x00000030
> +				0x00000003 0x00000037
> +				0x00000004 0x0000003d
> +				0x00000005 0x00000044
> +				0x00000006 0x0000004a
> +				0x00000007 0x00000051
> +				0x00000008 0x00000057
> +				0x00000009 0x0000005e
> +				0x0000000a 0x00000064
> +				0x0000000b 0x0000006b
>  				/* Calibration data group 2 */
> -				0x00010000 0x00000025
> -				0x00010001 0x0000002c
> -				0x00010002 0x00000035
> -				0x00010003 0x0000003d
> -				0x00010004 0x00000045
> -				0x00010005 0x0000004e
> -				0x00010006 0x00000057
> -				0x00010007 0x00000061
> -				0x00010008 0x0000006b
> -				0x00010009 0x00000076
> +				0x00010000 0x00000022
> +				0x00010001 0x0000002a
> +				0x00010002 0x00000032
> +				0x00010003 0x0000003a
> +				0x00010004 0x00000042
> +				0x00010005 0x0000004a
> +				0x00010006 0x00000052
> +				0x00010007 0x0000005a
> +				0x00010008 0x00000062
> +				0x00010009 0x0000006a
>  				/* Calibration data group 3 */
> -				0x00020000 0x00000029
> -				0x00020001 0x00000033
> -				0x00020002 0x0000003d
> -				0x00020003 0x00000049
> -				0x00020004 0x00000056
> -				0x00020005 0x00000061
> -				0x00020006 0x0000006d
> +				0x00020000 0x00000021
> +				0x00020001 0x0000002b
> +				0x00020002 0x00000035
> +				0x00020003 0x00000040
> +				0x00020004 0x0000004a
> +				0x00020005 0x00000054
> +				0x00020006 0x0000005e
>  				/* Calibration data group 4 */
> -				0x00030000 0x00000021
> -				0x00030001 0x0000002a
> -				0x00030002 0x0000003c
> -				0x00030003 0x0000004e>;
> +				0x00030000 0x00000010
> +				0x00030001 0x0000001c
> +				0x00030002 0x00000027
> +				0x00030003 0x00000032
> +				0x00030004 0x0000003e
> +				0x00030005 0x00000049
> +				0x00030006 0x00000054
> +				0x00030007 0x00000060>;
>  			little-endian;
>  			#thermal-sensor-cells = <1>;
>  		};
> -- 
> 2.17.1
>