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

Hsin-Yi Wang hsinyi at chromium.org
Tue Nov 2 21:24:06 PDT 2021


On Wed, Nov 3, 2021 at 11:31 AM Ben Tseng <ben.tseng at mediatek.com> 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>
>

Tested-by: Hsin-Yi Wang <hsinyi at chromium.org>

> ---
>  .../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>;
>         };
>  };
>
> --
> 2.18.0
>



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