[PATCH 1/1] arm64: dts: mt8183-kukui: Update Tboard sensor mapping table

Matthias Brugger matthias.bgg at gmail.com
Wed Nov 17 09:54:33 PST 2021



On 03/11/2021 04:30, Ben Tseng wrote:
> According to auxadc change the readback value from raw data to Vsense.
> Update the tboard table that temperature map to Vsense.
> 
> pull-up voltage: 1800 mv
> pull-up resistor: 75K
> 
> Vsense = pull-up voltage * Rntc / ( pull-up resistor + Rntc )
> 
> Signed-off-by: Ben Tseng <ben.tseng at mediatek.com>
> 

Applied to v5.16-next/dts64

Thanks!

> ---
>   .../arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 108 +++++++++---------
>   1 file changed, 54 insertions(+), 54 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> index 8e9cf36a9a41..65447de64f06 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> @@ -151,33 +151,33 @@
>   		#thermal-sensor-cells = <0>;
>   		io-channels = <&auxadc 0>;
>   		io-channel-names = "sensor-channel";
> -		temperature-lookup-table = <    (-5000) 4241
> -						0 4063
> -						5000 3856
> -						10000 3621
> -						15000 3364
> -						20000 3091
> -						25000 2810
> -						30000 2526
> -						35000 2247
> -						40000 1982
> -						45000 1734
> -						50000 1507
> -						55000 1305
> -						60000 1122
> -						65000 964
> -						70000 827
> -						75000 710
> -						80000 606
> -						85000 519
> -						90000 445
> -						95000 382
> -						100000 330
> -						105000 284
> -						110000 245
> -						115000 213
> -						120000 183
> -						125000 161>;
> +		temperature-lookup-table = <    (-5000) 1553
> +						0 1488
> +						5000 1412
> +						10000 1326
> +						15000 1232
> +						20000 1132
> +						25000 1029
> +						30000 925
> +						35000 823
> +						40000 726
> +						45000 635
> +						50000 552
> +						55000 478
> +						60000 411
> +						65000 353
> +						70000 303
> +						75000 260
> +						80000 222
> +						85000 190
> +						90000 163
> +						95000 140
> +						100000 121
> +						105000 104
> +						110000 90
> +						115000 78
> +						120000 67
> +						125000 59>;
>   	};
>   
>   	tboard_thermistor2: thermal-sensor2 {
> @@ -185,33 +185,33 @@
>   		#thermal-sensor-cells = <0>;
>   		io-channels = <&auxadc 1>;
>   		io-channel-names = "sensor-channel";
> -		temperature-lookup-table = <    (-5000) 4241
> -						0 4063
> -						5000 3856
> -						10000 3621
> -						15000 3364
> -						20000 3091
> -						25000 2810
> -						30000 2526
> -						35000 2247
> -						40000 1982
> -						45000 1734
> -						50000 1507
> -						55000 1305
> -						60000 1122
> -						65000 964
> -						70000 827
> -						75000 710
> -						80000 606
> -						85000 519
> -						90000 445
> -						95000 382
> -						100000 330
> -						105000 284
> -						110000 245
> -						115000 213
> -						120000 183
> -						125000 161>;
> +		temperature-lookup-table = <    (-5000) 1553
> +						0 1488
> +						5000 1412
> +						10000 1326
> +						15000 1232
> +						20000 1132
> +						25000 1029
> +						30000 925
> +						35000 823
> +						40000 726
> +						45000 635
> +						50000 552
> +						55000 478
> +						60000 411
> +						65000 353
> +						70000 303
> +						75000 260
> +						80000 222
> +						85000 190
> +						90000 163
> +						95000 140
> +						100000 121
> +						105000 104
> +						110000 90
> +						115000 78
> +						120000 67
> +						125000 59>;
>   	};
>   };
>   
> 



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