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

Ben Tseng ben.tseng at mediatek.com
Tue Nov 2 20:30:44 PDT 2021


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>

---
 .../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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